Average spill - December 2025

Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/01/2025 01 14.0 0.0 0.0 13.8 0.0 0.0 26.1 0.0 0.0 93.6 0.0 0.0 92.2 0.0 0.0 93.0 0.0 0.0
02 13.4 0.0 0.0 13.2 0.0 0.0 13.5 0.0 0.0 91.0 0.0 0.0 90.6 0.0 0.0 90.6 0.0 0.0
03 13.4 0.0 0.0 13.1 0.0 0.0 13.4 0.0 0.0 89.1 0.0 0.0 89.4 0.0 0.0 90.0 0.0 0.0
04 13.4 0.0 0.0 13.1 0.0 0.0 13.5 0.0 0.0 90.6 0.0 0.0 89.3 0.0 0.0 89.6 0.0 0.0
05 13.9 0.0 0.0 13.1 0.0 0.0 13.5 0.0 0.0 124.2 0.0 0.0 90.1 0.0 0.0 88.9 0.0 0.0
06 29.3 0.0 0.0 13.8 0.0 0.0 13.6 0.0 0.0 131.9 0.0 0.0 91.9 0.0 0.0 89.0 0.0 0.0
07 42.5 0.0 0.0 29.4 0.0 0.0 26.6 0.0 0.0 131.5 0.0 0.0 119.6 0.0 0.0 116.6 0.0 0.0
08 41.8 0.0 0.0 43.1 0.0 0.0 38.7 0.0 0.0 130.7 0.0 0.0 130.1 0.0 0.0 147.6 0.0 0.0
09 41.8 0.0 0.0 40.8 0.0 0.0 39.6 0.0 0.0 131.6 0.0 0.0 128.4 0.0 0.0 148.5 0.0 0.0
10 41.4 0.0 0.0 41.7 0.0 0.0 39.6 0.0 0.0 132.0 0.0 0.0 128.9 0.0 0.0 133.0 0.0 0.0
11 28.4 0.0 0.0 41.2 0.0 0.0 39.4 0.0 0.0 132.3 0.0 0.0 128.9 0.0 0.0 131.7 0.0 0.0
12 14.4 0.0 0.0 28.0 0.0 0.0 25.5 0.0 0.0 132.3 0.0 0.0 128.9 0.0 0.0 113.7 0.0 0.0
13 13.8 0.0 0.0 15.7 0.0 0.0 13.3 0.0 0.0 132.9 0.0 0.0 128.8 0.0 0.0 111.3 0.0 0.0
14 13.8 0.0 0.0 13.6 0.0 0.0 13.3 0.0 0.0 132.3 0.0 0.0 128.9 0.0 0.0 111.0 0.0 0.0
15 13.9 0.0 0.0 13.7 0.0 0.0 13.4 0.0 0.0 133.6 0.0 0.0 129.5 0.0 0.0 112.6 0.0 0.0
16 15.6 0.0 0.0 15.5 0.0 0.0 13.5 0.0 0.0 132.5 0.0 0.0 129.9 0.0 0.0 130.0 0.0 0.0
17 33.6 0.0 0.0 33.8 0.0 0.0 27.0 0.0 0.0 132.6 0.0 0.0 121.6 0.0 0.0 157.3 0.0 0.0
18 35.4 0.0 0.0 33.5 0.0 0.0 38.7 0.0 0.0 132.7 0.0 0.0 129.7 0.0 0.0 158.9 0.0 0.0
19 37.3 0.0 0.0 33.5 0.0 0.0 38.8 0.0 0.0 132.5 0.0 0.0 128.9 0.0 0.0 157.8 0.0 0.0
20 35.4 0.0 0.0 33.7 0.0 0.0 40.4 0.0 0.0 134.0 0.0 0.0 130.1 0.0 0.0 159.2 0.0 0.0
21 33.4 0.0 0.0 33.2 0.0 0.0 38.3 0.0 0.0 134.1 0.0 0.0 130.2 0.0 0.0 159.6 0.0 0.0
22 27.4 0.0 0.0 27.2 0.0 0.0 27.0 0.0 0.0 134.1 0.0 0.0 129.6 0.0 0.0 163.5 0.0 0.0
23 15.5 0.0 0.0 13.6 0.0 0.0 25.7 0.0 0.0 114.3 0.0 0.0 128.1 0.0 0.0 131.4 0.0 0.0
24 13.6 0.0 0.0 14.5 0.0 0.0 13.4 0.0 0.0 113.5 0.0 0.0 107.9 0.0 0.0 91.5 0.0 0.0
24-hour average 24.90.00.0 24.40.00.0 25.20.00.0 123.70.00.0 118.00.00.0 124.00.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/02/2025 01 13.5 0.0 0.0 13.1 0.0 0.0 13.3 0.0 0.0 113.7 0.0 0.0 108.0 0.0 0.0 89.7 0.0 0.0
02 13.6 0.0 0.0 13.2 0.0 0.0 13.3 0.0 0.0 113.5 0.0 0.0 108.2 0.0 0.0 90.3 0.0 0.0
03 13.6 0.0 0.0 13.3 0.0 0.0 14.9 0.0 0.0 114.0 0.0 0.0 108.7 0.0 0.0 89.8 0.0 0.0
04 13.7 0.0 0.0 14.9 0.0 0.0 13.4 0.0 0.0 114.5 0.0 0.0 109.8 0.0 0.0 89.9 0.0 0.0
05 13.7 0.0 0.0 13.4 0.0 0.0 13.4 0.0 0.0 114.0 0.0 0.0 112.0 0.0 0.0 89.8 0.0 0.0
06 13.7 0.0 0.0 13.4 0.0 0.0 13.4 0.0 0.0 130.8 0.0 0.0 128.1 0.0 0.0 89.6 0.0 0.0
07 13.5 0.0 0.0 14.6 0.0 0.0 13.3 0.0 0.0 131.8 0.0 0.0 128.0 0.0 0.0 117.8 0.0 0.0
08 13.5 0.0 0.0 13.3 0.0 0.0 13.4 0.0 0.0 134.0 0.0 0.0 130.3 0.0 0.0 141.3 0.0 0.0
09 13.7 0.0 0.0 13.4 0.0 0.0 13.4 0.0 0.0 133.0 0.0 0.0 129.4 0.0 0.0 150.4 0.0 0.0
10 13.6 0.0 0.0 13.1 0.0 0.0 13.4 0.0 0.0 132.8 0.0 0.0 129.0 0.0 0.0 149.5 0.0 0.0
11 15.1 0.0 0.0 13.3 0.0 0.0 14.9 0.0 0.0 121.1 0.0 0.0 130.7 0.0 0.0 130.7 0.0 0.0
12 13.6 0.0 0.0 13.2 0.0 0.0 13.4 0.0 0.0 128.4 0.0 0.0 130.7 0.0 0.0 122.1 0.0 0.0
13 13.6 0.0 0.0 13.0 0.0 0.0 13.3 0.0 0.0 132.0 0.0 0.0 121.6 0.0 0.0 108.0 0.0 0.0
14 13.6 0.0 0.0 13.0 0.0 0.0 13.3 0.0 0.0 132.1 0.0 0.0 132.5 0.0 0.0 102.7 0.0 0.0
15 13.2 0.0 0.0 12.9 0.0 0.0 13.3 0.0 0.0 131.9 0.0 0.0 129.3 0.0 0.0 128.3 0.0 0.0
16 13.0 0.0 0.0 14.4 0.0 0.0 14.7 0.0 0.0 132.9 0.0 0.0 130.6 0.0 0.0 158.9 0.0 0.0
17 13.6 0.0 0.0 31.4 0.0 0.0 32.4 0.0 0.0 132.2 0.0 0.0 128.9 0.0 0.0 181.0 0.0 0.0
18 30.9 0.0 0.0 32.2 0.0 0.0 40.1 0.0 0.0 132.1 0.0 0.0 128.4 0.0 0.0 180.3 0.0 0.0
19 31.4 0.0 0.0 32.0 0.0 0.0 40.5 0.0 0.0 134.1 0.0 0.0 128.8 0.0 0.0 182.1 0.0 0.0
20 28.5 0.0 0.0 27.8 0.0 0.0 40.5 0.0 0.0 131.0 0.0 0.0 128.0 0.0 0.0 162.4 0.0 0.0
21 27.3 0.0 0.0 27.2 0.0 0.0 40.2 0.0 0.0 129.1 0.0 0.0 127.2 0.0 0.0 130.3 0.0 0.0
22 14.1 0.0 0.0 14.0 0.0 0.0 29.4 0.0 0.0 114.5 0.0 0.0 109.1 0.0 0.0 103.4 0.0 0.0
23 13.4 0.0 0.0 13.4 0.0 0.0 14.7 0.0 0.0 113.2 0.0 0.0 90.4 0.0 0.0 89.8 0.0 0.0
24 13.4 0.0 0.0 13.4 0.0 0.0 13.0 0.0 0.0 113.3 0.0 0.0 89.4 0.0 0.0 87.2 0.0 0.0
24-hour average 16.30.00.0 17.00.00.0 19.50.00.0 125.40.00.0 120.70.00.0 123.60.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/03/2025 01 13.5 0.0 0.0 13.5 0.0 0.0 13.1 0.0 0.0 112.9 0.0 0.0 95.6 0.0 0.0 85.0 0.0 0.0
02 13.4 0.0 0.0 13.4 0.0 0.0 14.6 0.0 0.0 112.6 0.0 0.0 95.8 0.0 0.0 84.6 0.0 0.0
03 13.4 0.0 0.0 13.4 0.0 0.0 13.0 0.0 0.0 112.8 0.0 0.0 96.5 0.0 0.0 85.1 0.0 0.0
04 13.6 0.0 0.0 13.5 0.0 0.0 13.1 0.0 0.0 113.5 0.0 0.0 95.9 0.0 0.0 84.8 0.0 0.0
05 13.5 0.0 0.0 13.5 0.0 0.0 13.1 0.0 0.0 113.5 0.0 0.0 98.0 0.0 0.0 85.1 0.0 0.0
06 14.8 0.0 0.0 13.5 0.0 0.0 13.0 0.0 0.0 126.3 0.0 0.0 111.1 0.0 0.0 110.3 0.0 0.0
07 27.7 0.0 0.0 14.0 0.0 0.0 13.0 0.0 0.0 127.3 0.0 0.0 129.5 0.0 0.0 128.9 0.0 0.0
08 27.7 0.0 0.0 26.9 0.0 0.0 13.0 0.0 0.0 130.1 0.0 0.0 128.9 0.0 0.0 148.9 0.0 0.0
09 27.5 0.0 0.0 27.0 0.0 0.0 14.5 0.0 0.0 130.2 0.0 0.0 131.2 0.0 0.0 150.1 0.0 0.0
10 26.8 0.0 0.0 27.0 0.0 0.0 14.5 0.0 0.0 130.8 0.0 0.0 129.8 0.0 0.0 131.9 0.0 0.0
11 13.7 0.0 0.0 13.8 0.0 0.0 13.0 0.0 0.0 133.3 0.0 0.0 133.0 0.0 0.0 106.9 0.0 0.0
12 13.2 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 130.8 0.0 0.0 129.6 0.0 0.0 101.2 0.0 0.0
13 13.9 0.0 0.0 13.6 0.0 0.0 13.0 0.0 0.0 135.0 0.0 0.0 132.8 0.0 0.0 101.7 0.0 0.0
14 13.3 0.0 0.0 14.6 0.0 0.0 13.0 0.0 0.0 134.9 0.0 0.0 130.6 0.0 0.0 99.5 0.0 0.0
15 13.2 0.0 0.0 13.0 0.0 0.0 14.5 0.0 0.0 132.5 0.0 0.0 132.6 0.0 0.0 99.1 0.0 0.0
16 13.8 0.0 0.0 14.2 0.0 0.0 14.5 0.0 0.0 133.7 0.0 0.0 131.5 0.0 0.0 129.4 0.0 0.0
17 26.9 0.0 0.0 27.0 0.0 0.0 26.8 0.0 0.0 132.0 0.0 0.0 131.8 0.0 0.0 148.3 0.0 0.0
18 29.0 0.0 0.0 27.4 0.0 0.0 27.1 0.0 0.0 133.5 0.0 0.0 131.0 0.0 0.0 149.3 0.0 0.0
19 27.8 0.0 0.0 27.6 0.0 0.0 27.1 0.0 0.0 135.0 0.0 0.0 131.6 0.0 0.0 149.8 0.0 0.0
20 27.6 0.0 0.0 27.0 0.0 0.0 27.6 0.0 0.0 130.9 0.0 0.0 130.1 0.0 0.0 149.8 0.0 0.0
21 14.3 0.0 0.0 16.5 0.0 0.0 12.7 0.0 0.0 128.4 0.0 0.0 129.1 0.0 0.0 131.5 0.0 0.0
22 13.3 0.0 0.0 13.0 0.0 0.0 13.1 0.0 0.0 113.6 0.0 0.0 129.1 0.0 0.0 130.4 0.0 0.0
23 13.3 0.0 0.0 13.0 0.0 0.0 14.8 0.0 0.0 112.3 0.0 0.0 129.1 0.0 0.0 111.0 0.0 0.0
24 13.3 0.0 0.0 13.1 0.0 0.0 13.2 0.0 0.0 112.9 0.0 0.0 129.7 0.0 0.0 94.9 0.0 0.0
24-hour average 18.30.00.0 17.60.00.0 15.80.00.0 125.40.00.0 122.70.00.0 116.60.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/04/2025 01 13.3 0.0 0.0 13.1 0.0 0.0 13.2 0.0 0.0 111.6 0.0 0.0 129.5 0.0 0.0 92.4 0.0 0.0
02 13.4 0.0 0.0 13.0 0.0 0.0 13.3 0.0 0.0 108.3 0.0 0.0 130.8 0.0 0.0 93.5 0.0 0.0
03 13.3 0.0 0.0 13.1 0.0 0.0 13.2 0.0 0.0 106.7 0.0 0.0 130.5 0.0 0.0 90.9 0.0 0.0
04 13.3 0.0 0.0 13.1 0.0 0.0 13.3 0.0 0.0 107.3 0.0 0.0 132.0 0.0 0.0 92.4 0.0 0.0
05 13.9 0.0 0.0 13.7 0.0 0.0 14.3 0.0 0.0 106.1 0.0 0.0 131.6 0.0 0.0 104.9 0.0 0.0
06 27.4 0.0 0.0 26.9 0.0 0.0 26.6 0.0 0.0 125.7 0.0 0.0 131.7 0.0 0.0 126.8 0.0 0.0
07 29.0 0.0 0.0 27.5 0.0 0.0 26.6 0.0 0.0 126.6 0.0 0.0 130.5 0.0 0.0 148.4 0.0 0.0
08 36.2 0.0 0.0 34.2 0.0 0.0 27.7 0.0 0.0 127.3 0.0 0.0 130.1 0.0 0.0 167.3 0.0 0.0
09 34.7 0.0 0.0 34.0 0.0 0.0 26.2 0.0 0.0 127.4 0.0 0.0 127.7 0.0 0.0 171.6 0.0 0.0
10 34.4 0.0 0.0 33.6 0.0 0.0 26.6 0.0 0.0 128.9 0.0 0.0 129.0 0.0 0.0 170.6 0.0 0.0
11 27.8 0.0 0.0 33.6 0.0 0.0 26.8 0.0 0.0 129.4 0.0 0.0 129.4 0.0 0.0 151.1 0.0 0.0
12 26.5 0.0 0.0 29.1 0.0 0.0 26.9 0.0 0.0 129.9 0.0 0.0 131.5 0.0 0.0 150.1 0.0 0.0
13 13.5 0.0 0.0 13.7 0.0 0.0 26.9 0.0 0.0 110.1 0.0 0.0 129.6 0.0 0.0 131.5 0.0 0.0
14 13.0 0.0 0.0 14.4 0.0 0.0 27.0 0.0 0.0 104.4 0.0 0.0 127.9 0.0 0.0 129.1 0.0 0.0
15 13.5 0.0 0.0 13.5 0.0 0.0 27.1 0.0 0.0 107.2 0.0 0.0 131.4 0.0 0.0 132.0 0.0 0.0
16 27.1 0.0 0.0 27.9 0.0 0.0 26.2 0.0 0.0 128.8 0.0 0.0 130.7 0.0 0.0 151.9 0.0 0.0
17 29.0 0.0 0.0 27.7 0.0 0.0 28.0 0.0 0.0 129.0 0.0 0.0 140.9 0.0 0.0 149.9 0.0 0.0
18 34.4 0.0 0.0 33.5 0.0 0.0 40.5 0.0 0.0 130.3 0.0 0.0 145.0 0.0 0.0 150.0 0.0 0.0
19 34.9 0.0 0.0 33.6 0.0 0.0 39.1 0.0 0.0 130.6 0.0 0.0 146.5 0.0 0.0 149.3 0.0 0.0
20 27.6 0.0 0.0 34.3 0.0 0.0 38.8 0.0 0.0 130.7 0.0 0.0 144.7 0.0 0.0 150.6 0.0 0.0
21 27.4 0.0 0.0 27.1 0.0 0.0 26.7 0.0 0.0 131.0 0.0 0.0 145.7 0.0 0.0 121.1 0.0 0.0
22 27.3 0.0 0.0 26.4 0.0 0.0 26.8 0.0 0.0 108.0 0.0 0.0 128.9 0.0 0.0 99.5 0.0 0.0
23 27.3 0.0 0.0 26.2 0.0 0.0 26.7 0.0 0.0 78.0 0.0 0.0 95.7 0.0 0.0 81.5 0.0 0.0
24 14.1 0.0 0.0 13.6 0.0 0.0 13.4 0.0 0.0 76.9 0.0 0.0 94.3 0.0 0.0 78.5 0.0 0.0
24-hour average 23.80.00.0 24.00.00.0 25.10.00.0 116.70.00.0 130.20.00.0 128.50.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/05/2025 01 13.3 0.0 0.0 13.1 0.0 0.0 13.2 0.0 0.0 110.4 0.0 0.0 127.6 0.0 0.0 124.7 0.0 0.0
02 13.2 0.0 0.0 13.0 0.0 0.0 13.2 0.0 0.0 112.7 0.0 0.0 129.4 0.0 0.0 129.3 0.0 0.0
03 13.3 0.0 0.0 13.2 0.0 0.0 14.7 0.0 0.0 111.1 0.0 0.0 129.8 0.0 0.0 129.4 0.0 0.0
04 13.8 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 112.3 0.0 0.0 131.0 0.0 0.0 127.3 0.0 0.0
05 27.0 0.0 0.0 14.2 0.0 0.0 13.3 0.0 0.0 113.7 0.0 0.0 129.6 0.0 0.0 128.8 0.0 0.0
06 43.0 0.0 0.0 39.3 0.0 0.0 27.3 0.0 0.0 133.9 0.0 0.0 129.7 0.0 0.0 129.5 0.0 0.0
07 41.8 0.0 0.0 40.3 0.0 0.0 39.8 0.0 0.0 135.4 0.0 0.0 131.1 0.0 0.0 128.7 0.0 0.0
08 41.4 0.0 0.0 39.9 0.0 0.0 40.2 0.0 0.0 134.4 0.0 0.0 129.4 0.0 0.0 128.0 0.0 0.0
09 27.7 0.0 0.0 39.8 0.0 0.0 40.2 0.0 0.0 133.3 0.0 0.0 128.5 0.0 0.0 126.0 0.0 0.0
10 14.3 0.0 0.0 39.4 0.0 0.0 40.3 0.0 0.0 134.5 0.0 0.0 128.8 0.0 0.0 127.5 0.0 0.0
11 13.8 0.0 0.0 27.3 0.0 0.0 40.1 0.0 0.0 135.4 0.0 0.0 128.7 0.0 0.0 127.2 0.0 0.0
12 15.1 0.0 0.0 15.3 0.0 0.0 27.3 0.0 0.0 134.5 0.0 0.0 131.3 0.0 0.0 127.3 0.0 0.0
13 13.7 0.0 0.0 13.3 0.0 0.0 13.5 0.0 0.0 134.4 0.0 0.0 131.7 0.0 0.0 128.3 0.0 0.0
14 13.6 0.0 0.0 13.2 0.0 0.0 13.3 0.0 0.0 135.3 0.0 0.0 133.9 0.0 0.0 132.3 0.0 0.0
15 14.2 0.0 0.0 13.9 0.0 0.0 14.3 0.0 0.0 138.8 0.0 0.0 130.2 0.0 0.0 129.5 0.0 0.0
16 27.9 0.0 0.0 27.1 0.0 0.0 26.6 0.0 0.0 134.2 0.0 0.0 130.7 0.0 0.0 128.8 0.0 0.0
17 27.8 0.0 0.0 28.3 0.0 0.0 26.7 0.0 0.0 132.6 0.0 0.0 143.8 0.0 0.0 142.5 0.0 0.0
18 27.8 0.0 0.0 26.8 0.0 0.0 28.2 0.0 0.0 133.4 0.0 0.0 145.8 0.0 0.0 144.6 0.0 0.0
19 27.8 0.0 0.0 26.7 0.0 0.0 26.8 0.0 0.0 134.0 0.0 0.0 147.6 0.0 0.0 145.2 0.0 0.0
20 14.4 0.0 0.0 14.0 0.0 0.0 25.7 0.0 0.0 134.3 0.0 0.0 147.3 0.0 0.0 146.6 0.0 0.0
21 13.9 0.0 0.0 13.5 0.0 0.0 13.1 0.0 0.0 135.4 0.0 0.0 147.5 0.0 0.0 150.0 0.0 0.0
22 13.9 0.0 0.0 13.4 0.0 0.0 13.0 0.0 0.0 135.1 0.0 0.0 146.8 0.0 0.0 147.6 0.0 0.0
23 13.9 0.0 0.0 13.3 0.0 0.0 13.0 0.0 0.0 135.8 0.0 0.0 147.3 0.0 0.0 147.3 0.0 0.0
24 13.8 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 135.4 0.0 0.0 146.7 0.0 0.0 146.6 0.0 0.0
24-hour average 20.80.00.0 21.90.00.0 22.90.00.0 130.00.00.0 135.60.00.0 134.30.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/06/2025 01 13.9 0.0 0.0 13.1 0.0 0.0 13.0 0.0 0.0 117.4 0.0 0.0 142.3 0.0 0.0 134.5 0.0 0.0
02 13.9 0.0 0.0 13.4 0.0 0.0 13.0 0.0 0.0 115.8 0.0 0.0 143.2 0.0 0.0 132.8 0.0 0.0
03 13.9 0.0 0.0 13.5 0.0 0.0 14.5 0.0 0.0 116.3 0.0 0.0 141.4 0.0 0.0 134.9 0.0 0.0
04 13.9 0.0 0.0 13.3 0.0 0.0 13.0 0.0 0.0 114.6 0.0 0.0 140.2 0.0 0.0 160.0 0.0 0.0
05 14.3 0.0 0.0 13.3 0.0 0.0 13.0 0.0 0.0 112.2 0.0 0.0 139.9 0.0 0.0 162.3 0.0 0.0
06 28.6 0.0 0.0 13.5 0.0 0.0 13.0 0.0 0.0 112.2 0.0 0.0 139.3 0.0 0.0 161.2 0.0 0.0
07 27.9 0.0 0.0 18.1 0.0 0.0 13.1 0.0 0.0 115.0 0.0 0.0 141.0 0.0 0.0 163.6 0.0 0.0
08 27.9 0.0 0.0 18.4 0.0 0.0 13.1 0.0 0.0 132.7 0.0 0.0 141.0 0.0 0.0 158.5 0.0 0.0
09 27.4 0.0 0.0 18.6 0.0 0.0 14.6 0.0 0.0 137.0 0.0 0.0 144.5 0.0 0.0 131.7 0.0 0.0
10 14.6 0.0 0.0 26.7 0.0 0.0 13.0 0.0 0.0 138.8 0.0 0.0 142.8 0.0 0.0 131.9 0.0 0.0
11 13.9 0.0 0.0 28.2 0.0 0.0 13.0 0.0 0.0 136.6 0.0 0.0 142.8 0.0 0.0 131.0 0.0 0.0
12 13.8 0.0 0.0 26.3 0.0 0.0 13.0 0.0 0.0 136.9 0.0 0.0 143.7 0.0 0.0 131.3 0.0 0.0
13 13.8 0.0 0.0 13.7 0.0 0.0 13.0 0.0 0.0 134.0 0.0 0.0 141.7 0.0 0.0 129.4 0.0 0.0
14 13.9 0.0 0.0 13.2 0.0 0.0 13.0 0.0 0.0 135.1 0.0 0.0 142.9 0.0 0.0 129.7 0.0 0.0
15 13.9 0.0 0.0 13.3 0.0 0.0 13.1 0.0 0.0 136.4 0.0 0.0 143.1 0.0 0.0 130.0 0.0 0.0
16 14.4 0.0 0.0 13.9 0.0 0.0 26.9 0.0 0.0 137.4 0.0 0.0 145.3 0.0 0.0 133.7 0.0 0.0
17 26.8 0.0 0.0 26.6 0.0 0.0 26.5 0.0 0.0 134.5 0.0 0.0 143.6 0.0 0.0 159.6 0.0 0.0
18 28.4 0.0 0.0 26.8 0.0 0.0 26.6 0.0 0.0 135.9 0.0 0.0 145.0 0.0 0.0 164.1 0.0 0.0
19 28.4 0.0 0.0 26.7 0.0 0.0 26.5 0.0 0.0 135.7 0.0 0.0 144.5 0.0 0.0 163.4 0.0 0.0
20 28.4 0.0 0.0 26.7 0.0 0.0 26.5 0.0 0.0 135.1 0.0 0.0 143.0 0.0 0.0 163.2 0.0 0.0
21 28.2 0.0 0.0 26.7 0.0 0.0 26.6 0.0 0.0 135.6 0.0 0.0 143.1 0.0 0.0 144.4 0.0 0.0
22 14.7 0.0 0.0 26.7 0.0 0.0 26.6 0.0 0.0 135.1 0.0 0.0 144.9 0.0 0.0 132.8 0.0 0.0
23 13.9 0.0 0.0 26.5 0.0 0.0 25.2 0.0 0.0 135.2 0.0 0.0 144.3 0.0 0.0 132.1 0.0 0.0
24 13.8 0.0 0.0 13.6 0.0 0.0 13.2 0.0 0.0 133.7 0.0 0.0 143.3 0.0 0.0 131.0 0.0 0.0
24-hour average 19.30.00.0 19.60.00.0 17.60.00.0 129.50.00.0 142.80.00.0 143.60.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/07/2025 01 13.9 0.0 0.0 13.2 0.0 0.0 13.3 0.0 0.0 101.3 0.0 0.0 141.6 0.0 0.0 130.4 0.0 0.0
02 13.9 0.0 0.0 13.1 0.0 0.0 13.4 0.0 0.0 99.8 0.0 0.0 141.8 0.0 0.0 130.6 0.0 0.0
03 13.9 0.0 0.0 13.1 0.0 0.0 13.3 0.0 0.0 102.2 0.0 0.0 140.4 0.0 0.0 130.3 0.0 0.0
04 13.9 0.0 0.0 13.2 0.0 0.0 13.3 0.0 0.0 132.1 0.0 0.0 139.7 0.0 0.0 129.9 0.0 0.0
05 13.9 0.0 0.0 13.1 0.0 0.0 13.3 0.0 0.0 134.1 0.0 0.0 141.9 0.0 0.0 142.2 0.0 0.0
06 14.4 0.0 0.0 13.3 0.0 0.0 14.8 0.0 0.0 134.0 0.0 0.0 140.3 0.0 0.0 159.6 0.0 0.0
07 27.6 0.0 0.0 13.8 0.0 0.0 14.3 0.0 0.0 133.9 0.0 0.0 140.3 0.0 0.0 160.1 0.0 0.0
08 27.8 0.0 0.0 26.0 0.0 0.0 26.6 0.0 0.0 133.0 0.0 0.0 140.4 0.0 0.0 159.9 0.0 0.0
09 28.0 0.0 0.0 26.9 0.0 0.0 26.9 0.0 0.0 133.9 0.0 0.0 139.4 0.0 0.0 132.7 0.0 0.0
10 27.4 0.0 0.0 28.1 0.0 0.0 27.0 0.0 0.0 134.4 0.0 0.0 139.6 0.0 0.0 131.3 0.0 0.0
11 14.5 0.0 0.0 19.3 0.0 0.0 26.8 0.0 0.0 133.1 0.0 0.0 139.3 0.0 0.0 128.4 0.0 0.0
12 13.9 0.0 0.0 13.2 0.0 0.0 14.7 0.0 0.0 132.8 0.0 0.0 139.5 0.0 0.0 129.9 0.0 0.0
13 13.9 0.0 0.0 13.1 0.0 0.0 13.2 0.0 0.0 132.8 0.0 0.0 139.8 0.0 0.0 129.2 0.0 0.0
14 15.3 0.0 0.0 13.2 0.0 0.0 13.2 0.0 0.0 132.7 0.0 0.0 138.3 0.0 0.0 129.0 0.0 0.0
15 14.0 0.0 0.0 13.7 0.0 0.0 13.3 0.0 0.0 132.8 0.0 0.0 141.0 0.0 0.0 129.4 0.0 0.0
16 14.4 0.0 0.0 26.1 0.0 0.0 13.5 0.0 0.0 133.0 0.0 0.0 141.9 0.0 0.0 131.2 0.0 0.0
17 27.3 0.0 0.0 27.0 0.0 0.0 26.3 0.0 0.0 133.4 0.0 0.0 140.5 0.0 0.0 160.5 0.0 0.0
18 27.9 0.0 0.0 26.8 0.0 0.0 26.4 0.0 0.0 133.6 0.0 0.0 141.6 0.0 0.0 161.7 0.0 0.0
19 27.9 0.0 0.0 27.3 0.0 0.0 26.6 0.0 0.0 132.7 0.0 0.0 141.2 0.0 0.0 162.9 0.0 0.0
20 27.9 0.0 0.0 27.5 0.0 0.0 26.6 0.0 0.0 135.0 0.0 0.0 141.7 0.0 0.0 164.3 0.0 0.0
21 27.6 0.0 0.0 27.3 0.0 0.0 26.5 0.0 0.0 135.0 0.0 0.0 140.0 0.0 0.0 162.5 0.0 0.0
22 14.6 0.0 0.0 26.9 0.0 0.0 26.5 0.0 0.0 135.4 0.0 0.0 139.3 0.0 0.0 134.8 0.0 0.0
23 14.9 0.0 0.0 13.9 0.0 0.0 25.1 0.0 0.0 136.3 0.0 0.0 140.7 0.0 0.0 134.4 0.0 0.0
24 15.0 0.0 0.0 13.4 0.0 0.0 12.9 0.0 0.0 135.8 0.0 0.0 140.4 0.0 0.0 134.3 0.0 0.0
24-hour average 19.30.00.0 19.30.00.0 19.50.00.0 129.70.00.0 140.40.00.0 141.60.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/08/2025 01 15.1 0.0 0.0 13.5 0.0 0.0 14.5 0.0 0.0 115.1 0.0 0.0 140.5 0.0 0.0 132.6 0.0 0.0
02 15.1 0.0 0.0 13.4 0.0 0.0 13.0 0.0 0.0 113.2 0.0 0.0 140.1 0.0 0.0 111.3 0.0 0.0
03 15.1 0.0 0.0 13.5 0.0 0.0 13.3 0.0 0.0 113.3 0.0 0.0 141.1 0.0 0.0 110.5 0.0 0.0
04 15.6 0.0 0.0 13.5 0.0 0.0 13.3 0.0 0.0 113.4 0.0 0.0 141.0 0.0 0.0 109.8 0.0 0.0
05 16.0 0.0 0.0 14.1 0.0 0.0 14.5 0.0 0.0 133.4 0.0 0.0 143.8 0.0 0.0 131.6 0.0 0.0
06 29.2 0.0 0.0 27.4 0.0 0.0 13.1 0.0 0.0 134.2 0.0 0.0 140.8 0.0 0.0 158.4 0.0 0.0
07 30.1 0.0 0.0 30.1 0.0 0.0 27.3 0.0 0.0 134.5 0.0 0.0 141.2 0.0 0.0 160.9 0.0 0.0
08 30.5 0.0 0.0 30.0 0.0 0.0 40.2 0.0 0.0 134.7 0.0 0.0 138.7 0.0 0.0 157.3 0.0 0.0
09 30.8 0.0 0.0 30.4 0.0 0.0 38.9 0.0 0.0 134.6 0.0 0.0 141.0 0.0 0.0 153.1 0.0 0.0
10 30.8 0.0 0.0 32.0 0.0 0.0 38.8 0.0 0.0 134.4 0.0 0.0 140.4 0.0 0.0 150.3 0.0 0.0
11 30.7 0.0 0.0 30.2 0.0 0.0 26.6 0.0 0.0 135.0 0.0 0.0 140.8 0.0 0.0 132.6 0.0 0.0
12 30.0 0.0 0.0 27.2 0.0 0.0 26.0 0.0 0.0 135.1 0.0 0.0 111.6 0.0 0.0 111.4 0.0 0.0
13 31.6 0.0 0.0 25.5 0.0 0.0 26.1 0.0 0.0 134.9 0.0 0.0 111.1 0.0 0.0 111.5 0.0 0.0
14 30.5 0.0 0.0 25.5 0.0 0.0 26.0 0.0 0.0 134.7 0.0 0.0 110.3 0.0 0.0 112.7 0.0 0.0
15 31.9 0.0 0.0 26.8 0.0 0.0 26.4 0.0 0.0 132.1 0.0 0.0 111.8 0.0 0.0 112.5 0.0 0.0
16 31.3 0.0 0.0 31.4 0.0 0.0 27.3 0.0 0.0 134.8 0.0 0.0 115.6 0.0 0.0 112.6 0.0 0.0
17 41.7 0.0 0.0 40.3 0.0 0.0 38.6 0.0 0.0 134.0 0.0 0.0 141.3 0.0 0.0 110.7 0.0 0.0
18 41.7 0.0 0.0 39.3 0.0 0.0 39.9 0.0 0.0 133.5 0.0 0.0 143.4 0.0 0.0 141.4 0.0 0.0
19 41.7 0.0 0.0 39.1 0.0 0.0 39.9 0.0 0.0 133.5 0.0 0.0 144.7 0.0 0.0 143.4 0.0 0.0
20 41.8 0.0 0.0 40.4 0.0 0.0 40.1 0.0 0.0 133.4 0.0 0.0 142.5 0.0 0.0 163.5 0.0 0.0
21 41.7 0.0 0.0 40.2 0.0 0.0 39.8 0.0 0.0 134.7 0.0 0.0 142.3 0.0 0.0 166.4 0.0 0.0
22 41.7 0.0 0.0 40.2 0.0 0.0 40.0 0.0 0.0 134.9 0.0 0.0 141.8 0.0 0.0 164.8 0.0 0.0
23 30.7 0.0 0.0 40.1 0.0 0.0 39.9 0.0 0.0 117.6 0.0 0.0 127.9 0.0 0.0 142.5 0.0 0.0
24 29.8 0.0 0.0 38.9 0.0 0.0 39.2 0.0 0.0 118.1 0.0 0.0 129.8 0.0 0.0 142.6 0.0 0.0
24-hour average 30.20.00.0 29.30.00.0 29.30.00.0 129.50.00.0 134.30.00.0 135.20.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/09/2025 01 18.4 0.0 0.0 18.5 0.0 0.0 25.7 0.0 0.0 90.6 0.0 0.0 102.1 0.0 0.0 107.0 0.0 0.0
02 18.4 0.0 0.0 18.4 0.0 0.0 13.3 0.0 0.0 88.8 0.0 0.0 99.6 0.0 0.0 104.6 0.0 0.0
03 18.4 0.0 0.0 18.4 0.0 0.0 13.3 0.0 0.0 89.3 0.0 0.0 99.4 0.0 0.0 104.5 0.0 0.0
04 18.4 0.0 0.0 18.4 0.0 0.0 13.4 0.0 0.0 90.0 0.0 0.0 100.3 0.0 0.0 104.1 0.0 0.0
05 18.5 0.0 0.0 19.3 0.0 0.0 13.6 0.0 0.0 89.5 0.0 0.0 103.2 0.0 0.0 104.2 0.0 0.0
06 30.2 0.0 0.0 30.6 0.0 0.0 26.9 0.0 0.0 119.4 0.0 0.0 132.2 0.0 0.0 123.1 0.0 0.0
07 41.5 0.0 0.0 40.7 0.0 0.0 39.9 0.0 0.0 133.1 0.0 0.0 142.7 0.0 0.0 134.2 0.0 0.0
08 43.1 0.0 0.0 40.0 0.0 0.0 40.4 0.0 0.0 133.3 0.0 0.0 140.8 0.0 0.0 132.2 0.0 0.0
09 41.9 0.0 0.0 40.4 0.0 0.0 40.5 0.0 0.0 133.3 0.0 0.0 121.7 0.0 0.0 122.9 0.0 0.0
10 41.9 0.0 0.0 40.5 0.0 0.0 40.6 0.0 0.0 133.3 0.0 0.0 119.3 0.0 0.0 120.0 0.0 0.0
11 41.8 0.0 0.0 40.3 0.0 0.0 40.5 0.0 0.0 135.0 0.0 0.0 119.2 0.0 0.0 120.1 0.0 0.0
12 41.9 0.0 0.0 40.2 0.0 0.0 40.6 0.0 0.0 139.9 0.0 0.0 121.0 0.0 0.0 120.6 0.0 0.0
13 42.1 0.0 0.0 42.0 0.0 0.0 40.7 0.0 0.0 140.6 0.0 0.0 140.9 0.0 0.0 138.6 0.0 0.0
14 42.1 0.0 0.0 40.4 0.0 0.0 40.6 0.0 0.0 140.3 0.0 0.0 144.5 0.0 0.0 141.7 0.0 0.0
15 42.1 0.0 0.0 40.3 0.0 0.0 40.5 0.0 0.0 141.1 0.0 0.0 142.2 0.0 0.0 141.2 0.0 0.0
16 42.5 0.0 0.0 40.8 0.0 0.0 40.6 0.0 0.0 141.8 0.0 0.0 146.7 0.0 0.0 141.6 0.0 0.0
17 42.1 0.0 0.0 40.3 0.0 0.0 40.5 0.0 0.0 139.9 0.0 0.0 140.6 0.0 0.0 141.1 0.0 0.0
18 41.7 0.0 0.0 40.1 0.0 0.0 43.6 0.0 0.0 139.3 0.0 0.0 142.4 0.0 0.0 140.5 0.0 0.0
19 41.7 0.0 0.0 40.1 0.0 0.0 40.7 0.0 0.0 139.2 0.0 0.0 141.8 0.0 0.0 141.6 0.0 0.0
20 41.9 0.0 0.0 40.4 0.0 0.0 40.7 0.0 0.0 139.6 0.0 0.0 141.5 0.0 0.0 139.5 0.0 0.0
21 41.1 0.0 0.0 40.4 0.0 0.0 40.7 0.0 0.0 140.0 0.0 0.0 141.7 0.0 0.0 139.7 0.0 0.0
22 16.2 0.0 0.0 40.0 0.0 0.0 40.7 0.0 0.0 137.5 0.0 0.0 134.6 0.0 0.0 136.1 0.0 0.0
23 14.9 0.0 0.0 40.3 0.0 0.0 40.6 0.0 0.0 136.5 0.0 0.0 134.3 0.0 0.0 134.0 0.0 0.0
24 13.4 0.0 0.0 40.0 0.0 0.0 40.6 0.0 0.0 136.7 0.0 0.0 134.1 0.0 0.0 133.2 0.0 0.0
24-hour average 33.20.00.0 35.40.00.0 35.00.00.0 127.00.00.0 128.60.00.0 127.80.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/10/2025 01 13.3 0.0 0.0 39.9 0.0 0.0 39.8 0.0 0.0 146.9 0.0 0.0 144.7 0.0 0.0 149.6 0.0 0.0
02 13.3 0.0 0.0 27.5 0.0 0.0 27.0 0.0 0.0 148.4 0.0 0.0 145.3 0.0 0.0 150.3 0.0 0.0
03 13.3 0.0 0.0 15.5 0.0 0.0 26.8 0.0 0.0 139.3 0.0 0.0 140.4 0.0 0.0 144.6 0.0 0.0
04 13.4 0.0 0.0 15.1 0.0 0.0 28.3 0.0 0.0 139.1 0.0 0.0 138.0 0.0 0.0 143.9 0.0 0.0
05 15.1 0.0 0.0 13.2 0.0 0.0 27.9 0.0 0.0 139.2 0.0 0.0 138.7 0.0 0.0 142.8 0.0 0.0
06 27.9 0.0 0.0 14.3 0.0 0.0 40.5 0.0 0.0 158.6 0.0 0.0 150.2 0.0 0.0 143.8 0.0 0.0
07 42.2 0.0 0.0 27.4 0.0 0.0 42.4 0.0 0.0 154.5 0.0 0.0 148.4 0.0 0.0 151.8 0.0 0.0
08 48.3 0.0 0.0 41.8 0.0 0.0 40.7 0.0 0.0 153.7 0.0 0.0 148.1 0.0 0.0 152.9 0.0 0.0
09 49.5 0.0 0.0 40.9 0.0 0.0 41.1 0.0 0.0 156.4 0.0 0.0 148.4 0.0 0.0 155.9 0.0 0.0
10 42.4 0.0 0.0 41.0 0.0 0.0 41.0 0.0 0.0 156.2 0.0 0.0 151.1 0.0 0.0 146.1 0.0 0.0
11 40.7 0.0 0.0 40.7 0.0 0.0 41.2 0.0 0.0 145.8 0.0 0.0 148.0 0.0 0.0 144.4 0.0 0.0
12 41.9 0.0 0.0 40.4 0.0 0.0 40.8 0.0 0.0 154.4 0.0 0.0 148.0 0.0 0.0 145.2 0.0 0.0
13 41.3 0.0 0.0 40.6 0.0 0.0 40.8 0.0 0.0 155.0 0.0 0.0 148.3 0.0 0.0 144.2 0.0 0.0
14 41.7 0.0 0.0 40.6 0.0 0.0 42.9 0.0 0.0 154.3 0.0 0.0 150.3 0.0 0.0 142.9 0.0 0.0
15 42.0 0.0 0.0 40.6 0.0 0.0 42.4 0.0 0.0 155.3 0.0 0.0 150.7 0.0 0.0 145.2 0.0 0.0
16 44.7 0.0 0.0 41.3 0.0 0.0 41.5 0.0 0.0 155.3 0.0 0.0 150.8 0.0 0.0 153.4 0.0 0.0
17 44.7 0.0 0.0 41.2 0.0 0.0 41.5 0.0 0.0 155.6 0.0 0.0 150.4 0.0 0.0 153.9 0.0 0.0
18 45.5 0.0 0.0 41.0 0.0 0.0 41.4 0.0 0.0 155.8 0.0 0.0 151.0 0.0 0.0 153.9 0.0 0.0
19 45.1 0.0 0.0 40.9 0.0 0.0 41.4 0.0 0.0 156.9 0.0 0.0 150.2 0.0 0.0 155.2 0.0 0.0
20 45.1 0.0 0.0 41.0 0.0 0.0 41.4 0.0 0.0 156.8 0.0 0.0 150.6 0.0 0.0 155.6 0.0 0.0
21 45.2 0.0 0.0 41.0 0.0 0.0 41.4 0.0 0.0 156.9 0.0 0.0 150.5 0.0 0.0 155.5 0.0 0.0
22 46.7 0.0 0.0 40.9 0.0 0.0 41.4 0.0 0.0 157.4 0.0 0.0 154.6 0.0 0.0 153.5 0.0 0.0
23 44.9 0.0 0.0 40.7 0.0 0.0 41.4 0.0 0.0 156.8 0.0 0.0 151.0 0.0 0.0 153.8 0.0 0.0
24 28.7 0.0 0.0 40.4 0.0 0.0 40.6 0.0 0.0 133.8 0.0 0.0 150.7 0.0 0.0 153.6 0.0 0.0
24-hour average 36.50.00.0 35.30.00.0 39.00.00.0 151.80.00.0 148.30.00.0 149.70.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/11/2025 01 27.9 0.0 0.0 29.7 0.0 0.0 27.3 0.0 0.0 119.2 0.0 0.0 132.9 0.0 0.0 142.7 0.0 0.0
02 27.4 0.0 0.0 27.5 0.0 0.0 27.0 0.0 0.0 116.0 0.0 0.0 134.3 0.0 0.0 140.2 0.0 0.0
03 27.3 0.0 0.0 27.2 0.0 0.0 27.1 0.0 0.0 117.9 0.0 0.0 146.1 0.0 0.0 153.9 0.0 0.0
04 27.4 0.0 0.0 26.8 0.0 0.0 27.1 0.0 0.0 118.2 0.0 0.0 147.9 0.0 0.0 153.0 0.0 0.0
05 27.6 0.0 0.0 27.3 0.0 0.0 27.6 0.0 0.0 120.8 0.0 0.0 151.6 0.0 0.0 154.3 0.0 0.0
06 39.4 0.0 0.0 40.9 0.0 0.0 43.0 0.0 0.0 139.7 0.0 0.0 149.8 0.0 0.0 156.8 0.0 0.0
07 40.7 0.0 0.0 49.3 0.0 0.0 54.0 0.0 0.0 150.0 0.0 0.0 151.6 0.0 0.0 152.6 0.0 0.0
08 40.5 0.0 0.0 49.0 0.0 0.0 53.6 0.0 0.0 149.7 0.0 0.0 148.4 0.0 0.0 151.9 0.0 0.0
09 41.0 0.0 0.0 49.6 0.0 0.0 53.7 0.0 0.0 151.2 0.0 0.0 152.1 0.0 0.0 148.2 0.0 0.0
10 45.3 0.0 0.0 49.8 0.0 0.0 53.7 0.0 0.0 151.9 0.0 0.0 151.0 0.0 0.0 147.4 0.0 0.0
11 46.4 0.0 0.0 50.0 0.0 0.0 39.0 0.0 0.0 153.0 0.0 0.0 151.5 0.0 0.0 147.6 0.0 0.0
12 46.0 0.0 0.0 49.3 0.0 0.0 38.7 0.0 0.0 152.5 0.0 0.0 150.4 0.0 0.0 147.1 0.0 0.0
13 46.2 0.0 0.0 50.3 0.0 0.0 40.3 0.0 0.0 153.2 0.0 0.0 151.2 0.0 0.0 147.9 0.0 0.0
14 45.9 0.0 0.0 49.6 0.0 0.0 54.2 0.0 0.0 169.6 0.0 0.0 155.2 0.0 0.0 147.1 0.0 0.0
15 45.9 0.0 0.0 50.0 0.0 0.0 53.5 0.0 0.0 169.7 0.0 0.0 157.2 0.0 0.0 166.4 0.0 0.0
16 51.4 0.0 0.0 55.8 0.0 0.0 53.8 0.0 0.0 171.0 0.0 0.0 155.1 0.0 0.0 165.8 0.0 0.0
17 51.5 0.0 0.0 57.4 0.0 0.0 53.7 0.0 0.0 163.5 0.0 0.0 156.1 0.0 0.0 167.1 0.0 0.0
18 51.3 0.0 0.0 55.6 0.0 0.0 53.6 0.0 0.0 164.5 0.0 0.0 158.3 0.0 0.0 167.9 0.0 0.0
19 50.2 0.0 0.0 55.5 0.0 0.0 53.6 0.0 0.0 163.9 0.0 0.0 155.7 0.0 0.0 166.9 0.0 0.0
20 50.8 0.0 0.0 55.7 0.0 0.0 53.7 0.0 0.0 164.6 0.0 0.0 155.8 0.0 0.0 167.5 0.0 0.0
21 52.9 0.0 0.0 56.1 0.0 0.0 53.9 0.0 0.0 165.3 0.0 0.0 156.5 0.0 0.0 171.6 0.0 0.0
22 52.5 0.0 0.0 55.8 0.0 0.0 53.7 0.0 0.0 164.8 0.0 0.0 155.4 0.0 0.0 167.6 0.0 0.0
23 43.8 0.0 0.0 55.3 0.0 0.0 53.4 0.0 0.0 165.1 0.0 0.0 156.3 0.0 0.0 147.0 0.0 0.0
24 41.7 0.0 0.0 41.3 0.0 0.0 40.0 0.0 0.0 159.4 0.0 0.0 154.5 0.0 0.0 143.0 0.0 0.0
24-hour average 42.50.00.0 46.40.00.0 45.40.00.0 150.60.00.0 151.50.00.0 155.10.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/12/2025 01 42.1 0.0 0.0 41.2 0.0 0.0 39.8 0.0 0.0 159.6 0.0 0.0 156.1 0.0 0.0 145.4 0.0 0.0
02 42.0 0.0 0.0 42.6 0.0 0.0 39.9 0.0 0.0 143.8 0.0 0.0 157.8 0.0 0.0 144.4 0.0 0.0
03 42.1 0.0 0.0 41.3 0.0 0.0 39.8 0.0 0.0 142.6 0.0 0.0 156.6 0.0 0.0 145.1 0.0 0.0
04 42.3 0.0 0.0 41.3 0.0 0.0 39.9 0.0 0.0 158.6 0.0 0.0 156.2 0.0 0.0 143.3 0.0 0.0
05 51.6 0.0 0.0 41.7 0.0 0.0 40.0 0.0 0.0 165.1 0.0 0.0 159.1 0.0 0.0 143.8 0.0 0.0
06 52.2 0.0 0.0 49.8 0.0 0.0 53.1 0.0 0.0 164.8 0.0 0.0 171.8 0.0 0.0 144.3 0.0 0.0
07 52.1 0.0 0.0 50.2 0.0 0.0 55.3 0.0 0.0 164.7 0.0 0.0 171.2 0.0 0.0 177.2 0.0 0.0
08 50.4 0.0 0.0 49.7 0.0 0.0 53.6 0.0 0.0 166.3 0.0 0.0 170.2 0.0 0.0 179.1 0.0 0.0
09 41.8 0.0 0.0 49.6 0.0 0.0 53.5 0.0 0.0 166.0 0.0 0.0 169.5 0.0 0.0 180.4 0.0 0.0
10 41.7 0.0 0.0 49.5 0.0 0.0 52.6 0.0 0.0 164.8 0.0 0.0 170.1 0.0 0.0 182.0 0.0 0.0
11 41.5 0.0 0.0 39.6 0.0 0.0 39.8 0.0 0.0 165.4 0.0 0.0 160.0 0.0 0.0 180.7 0.0 0.0
12 41.6 0.0 0.0 39.1 0.0 0.0 39.8 0.0 0.0 171.5 0.0 0.0 169.5 0.0 0.0 180.1 0.0 0.0
13 41.7 0.0 0.0 39.2 0.0 0.0 39.8 0.0 0.0 173.7 0.0 0.0 171.8 0.0 0.0 180.3 0.0 0.0
14 41.7 0.0 0.0 39.1 0.0 0.0 39.8 0.0 0.0 163.0 0.0 0.0 169.4 0.0 0.0 180.1 0.0 0.0
15 42.3 0.0 0.0 39.7 0.0 0.0 39.8 0.0 0.0 149.4 0.0 0.0 169.8 0.0 0.0 181.0 0.0 0.0
16 52.0 0.0 0.0 49.7 0.0 0.0 39.8 0.0 0.0 155.1 0.0 0.0 170.3 0.0 0.0 182.1 0.0 0.0
17 50.3 0.0 0.0 49.7 0.0 0.0 53.1 0.0 0.0 154.0 0.0 0.0 169.1 0.0 0.0 182.5 0.0 0.0
18 48.9 0.0 0.0 49.3 0.0 0.0 53.7 0.0 0.0 153.4 0.0 0.0 168.4 0.0 0.0 180.1 0.0 0.0
19 49.1 0.0 0.0 49.5 0.0 0.0 53.9 0.0 0.0 166.0 0.0 0.0 168.7 0.0 0.0 181.4 0.0 0.0
20 49.3 0.0 0.0 49.7 0.0 0.0 54.2 0.0 0.0 164.3 0.0 0.0 169.0 0.0 0.0 182.8 0.0 0.0
21 51.6 0.0 0.0 50.0 0.0 0.0 54.2 0.0 0.0 164.4 0.0 0.0 169.4 0.0 0.0 184.5 0.0 0.0
22 50.1 0.0 0.0 49.9 0.0 0.0 54.2 0.0 0.0 164.4 0.0 0.0 168.9 0.0 0.0 183.7 0.0 0.0
23 49.8 0.0 0.0 49.5 0.0 0.0 54.1 0.0 0.0 165.7 0.0 0.0 168.0 0.0 0.0 183.2 0.0 0.0
24 49.4 0.0 0.0 49.0 0.0 0.0 52.7 0.0 0.0 166.0 0.0 0.0 167.8 0.0 0.0 182.6 0.0 0.0
24-hour average 46.60.00.0 45.80.00.0 47.30.00.0 161.40.00.0 166.60.00.0 172.10.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/13/2025 01 44.7 0.0 0.0 42.4 0.0 0.0 40.5 0.0 0.0 165.3 0.0 0.0 170.1 0.0 0.0 165.2 0.0 0.0
02 43.1 0.0 0.0 40.7 0.0 0.0 40.3 0.0 0.0 164.9 0.0 0.0 170.0 0.0 0.0 164.4 0.0 0.0
03 43.4 0.0 0.0 40.9 0.0 0.0 40.2 0.0 0.0 164.0 0.0 0.0 176.8 8.3 4.7 165.1 0.0 0.0
04 43.5 0.0 0.0 40.9 0.0 0.0 40.2 0.0 0.0 164.1 0.0 0.0 181.1 10.2 5.6 172.0 0.0 0.0
05 43.4 0.0 0.0 40.9 0.0 0.0 41.7 0.0 0.0 165.0 0.0 0.0 178.5 10.2 5.7 172.3 0.0 0.0
06 45.5 0.0 0.0 48.6 0.0 0.0 40.3 0.0 0.0 164.2 0.0 0.0 178.9 10.3 5.8 192.3 0.0 0.0
07 44.6 0.0 0.0 50.3 0.0 0.0 53.1 0.0 0.0 166.6 0.0 0.0 178.4 10.3 5.8 193.3 0.0 0.0
08 43.8 0.0 0.0 48.4 0.0 0.0 53.5 0.0 0.0 175.2 0.0 0.0 177.7 10.3 5.8 187.6 0.0 0.0
09 44.5 0.0 0.0 51.6 0.0 0.0 53.8 0.0 0.0 169.8 0.0 0.0 178.6 10.3 5.8 179.9 0.0 0.0
10 44.6 0.0 0.0 50.2 0.0 0.0 53.1 0.0 0.0 164.9 0.0 0.0 178.6 10.3 5.8 179.9 0.0 0.0
11 44.6 0.0 0.0 50.2 0.0 0.0 40.4 0.0 0.0 165.1 0.0 0.0 179.0 10.3 5.8 180.9 0.0 0.0
12 45.8 0.0 0.0 50.2 0.0 0.0 41.5 0.0 0.0 165.4 0.0 0.0 178.6 10.3 5.8 181.1 0.0 0.0
13 44.3 0.0 0.0 50.0 0.0 0.0 40.0 0.0 0.0 165.9 0.0 0.0 178.2 10.3 5.8 176.6 0.0 0.0
14 44.4 0.0 0.0 50.3 0.0 0.0 40.1 0.0 0.0 164.7 0.0 0.0 178.3 10.3 5.8 177.2 0.0 0.0
15 44.9 0.0 0.0 50.9 0.0 0.0 40.2 0.0 0.0 164.0 0.0 0.0 179.2 10.3 5.7 178.6 0.0 0.0
16 50.1 0.0 0.0 51.4 0.0 0.0 53.1 0.0 0.0 163.9 0.0 0.0 180.1 10.3 5.7 180.9 0.0 0.0
17 50.4 0.0 0.0 50.8 0.0 0.0 53.7 0.0 0.0 165.0 0.0 0.0 180.2 10.3 5.7 176.5 0.0 0.0
18 48.9 0.0 0.0 50.0 0.0 0.0 53.3 0.0 0.0 167.1 0.0 0.0 176.6 10.3 5.8 175.1 0.0 0.0
19 49.6 0.0 0.0 50.2 0.0 0.0 53.4 0.0 0.0 166.2 0.0 0.0 177.5 10.3 5.8 178.6 0.0 0.0
20 50.1 0.0 0.0 50.7 0.0 0.0 54.0 0.0 0.0 163.4 0.0 0.0 180.0 10.3 5.7 181.4 0.0 0.0
21 49.7 0.0 0.0 50.6 0.0 0.0 53.7 0.0 0.0 163.6 0.0 0.0 179.4 10.3 5.7 180.5 0.0 0.0
22 41.3 0.0 0.0 50.1 0.0 0.0 53.6 0.0 0.0 163.6 0.0 0.0 180.0 10.3 5.7 179.5 0.0 0.0
23 40.6 0.0 0.0 41.0 0.0 0.0 40.7 0.0 0.0 162.4 0.0 0.0 179.5 10.3 5.7 178.4 0.0 0.0
24 40.7 0.0 0.0 40.8 0.0 0.0 40.3 0.0 0.0 162.0 0.0 0.0 182.1 10.3 5.7 180.0 0.0 0.0
24-hour average 45.30.00.0 47.60.00.0 46.40.00.0 165.30.00.0 178.29.45.2 178.20.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/14/2025 01 41.1 0.0 0.0 41.4 0.0 0.0 40.1 0.0 0.0 162.4 0.0 0.0 179.8 10.1 5.6 178.6 0.0 0.0
02 41.2 0.0 0.0 41.6 0.0 0.0 40.4 0.0 0.0 162.1 0.0 0.0 180.2 10.0 5.5 179.0 0.0 0.0
03 41.3 0.0 0.0 41.7 0.0 0.0 40.4 0.0 0.0 162.1 0.0 0.0 180.8 10.0 5.5 179.7 0.0 0.0
04 41.4 0.0 0.0 41.7 0.0 0.0 40.3 0.0 0.0 162.1 0.0 0.0 180.1 10.0 5.6 179.5 0.0 0.0
05 41.2 0.0 0.0 41.4 0.0 0.0 40.1 0.0 0.0 162.5 0.0 0.0 177.7 10.0 5.6 175.5 0.0 0.0
06 41.6 0.0 0.0 41.8 0.0 0.0 40.3 0.0 0.0 162.2 0.0 0.0 180.5 10.0 5.5 174.3 0.0 0.0
07 41.7 0.0 0.0 41.8 0.0 0.0 40.4 0.0 0.0 162.1 0.0 0.0 180.0 10.0 5.6 174.4 0.0 0.0
08 41.4 0.0 0.0 40.6 0.0 0.0 40.0 0.0 0.0 162.6 0.0 0.0 177.7 10.0 5.6 173.5 0.0 0.0
09 41.2 0.0 0.0 40.6 0.0 0.0 40.0 0.0 0.0 161.8 0.0 0.0 180.9 10.0 5.5 176.8 0.0 0.0
10 41.4 0.0 0.0 40.8 0.0 0.0 40.1 0.0 0.0 161.4 0.0 0.0 178.4 10.0 5.6 179.4 0.0 0.0
11 41.2 0.0 0.0 40.6 0.0 0.0 41.6 0.0 0.0 162.2 0.0 0.0 177.9 10.0 5.6 178.5 0.0 0.0
12 41.3 0.0 0.0 40.6 0.0 0.0 40.3 0.0 0.0 162.3 0.0 0.0 177.8 10.0 5.6 179.3 0.0 0.0
13 41.1 0.0 0.0 40.4 0.0 0.0 40.2 0.0 0.0 162.2 0.0 0.0 178.7 10.0 5.6 178.3 0.0 0.0
14 41.3 0.0 0.0 40.6 0.0 0.0 40.2 0.0 0.0 162.3 0.0 0.0 178.3 10.0 5.6 179.2 0.0 0.0
15 41.5 0.0 0.0 40.8 0.0 0.0 40.3 0.0 0.0 162.6 0.0 0.0 178.2 10.0 5.6 178.2 0.0 0.0
16 41.6 0.0 0.0 42.6 0.0 0.0 40.4 0.0 0.0 162.3 0.0 0.0 179.1 10.1 5.6 177.8 0.0 0.0
17 50.2 0.0 0.0 50.3 0.0 0.0 40.4 0.0 0.0 162.2 0.0 0.0 178.1 10.1 5.7 175.6 0.0 0.0
18 51.0 0.0 0.0 50.4 0.0 0.0 53.2 0.0 0.0 162.2 0.0 0.0 179.0 10.1 5.6 178.9 0.0 0.0
19 50.9 0.0 0.0 50.3 0.0 0.0 53.7 0.0 0.0 162.2 0.0 0.0 179.2 10.1 5.6 178.7 0.0 0.0
20 52.4 0.0 0.0 50.6 0.0 0.0 53.9 0.0 0.0 162.3 0.0 0.0 182.5 10.1 5.5 178.7 0.0 0.0
21 42.8 0.0 0.0 50.2 0.0 0.0 53.8 0.0 0.0 162.5 0.0 0.0 181.3 10.1 5.6 178.9 0.0 0.0
22 42.1 0.0 0.0 41.0 0.0 0.0 53.4 0.0 0.0 162.3 0.0 0.0 180.3 10.1 5.6 178.7 0.0 0.0
23 42.3 0.0 0.0 40.7 0.0 0.0 40.5 0.0 0.0 162.3 0.0 0.0 180.9 10.1 5.6 179.7 0.0 0.0
24 41.7 0.0 0.0 40.3 0.0 0.0 40.0 0.0 0.0 162.7 0.0 0.0 179.4 10.1 5.6 178.1 0.0 0.0
24-hour average 43.10.00.0 43.00.00.0 43.10.00.0 162.20.00.0 179.510.05.6 177.90.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/15/2025 01 36.8 0.0 0.0 40.4 0.0 0.0 39.9 0.0 0.0 162.5 0.0 0.0 181.1 10.1 5.6 176.3 0.0 0.0
02 34.2 0.0 0.0 34.9 0.0 0.0 38.8 0.0 0.0 162.6 0.0 0.0 182.4 10.1 5.5 176.4 0.0 0.0
03 33.4 0.0 0.0 34.3 0.0 0.0 38.8 0.0 0.0 162.6 0.0 0.0 180.6 10.1 5.6 176.6 0.0 0.0
04 28.5 0.0 0.0 27.6 0.0 0.0 26.5 0.0 0.0 162.7 0.0 0.0 181.0 10.1 5.6 177.3 0.0 0.0
05 28.3 0.0 0.0 27.3 0.0 0.0 26.6 0.0 0.0 162.8 0.0 0.0 180.9 10.1 5.6 175.4 0.0 0.0
06 28.2 0.0 0.0 27.3 0.0 0.0 26.9 0.0 0.0 163.4 0.0 0.0 182.3 10.1 5.5 173.1 0.0 0.0
07 28.3 0.0 0.0 27.3 0.0 0.0 26.9 0.0 0.0 140.5 0.0 0.0 179.3 8.5 4.7 174.7 0.0 0.0
08 27.9 0.0 0.0 27.0 0.0 0.0 26.6 0.0 0.0 92.5 0.0 0.0 168.0 0.0 0.0 174.3 0.0 0.0
09 28.1 0.0 0.0 27.0 0.0 0.0 28.3 0.0 0.0 116.9 0.0 0.0 150.9 0.0 0.0 155.6 0.0 0.0
10 28.2 0.0 0.0 27.1 0.0 0.0 27.0 0.0 0.0 119.4 0.0 0.0 152.0 0.0 0.0 151.2 0.0 0.0
11 28.3 0.0 0.0 27.2 0.0 0.0 27.0 0.0 0.0 122.7 0.0 0.0 153.7 0.0 0.0 151.6 0.0 0.0
12 29.1 0.0 0.0 27.1 0.0 0.0 26.9 0.0 0.0 135.2 0.0 0.0 151.9 0.0 0.0 150.3 0.0 0.0
13 29.2 0.0 0.0 28.7 0.0 0.0 28.5 0.0 0.0 134.8 0.0 0.0 170.4 0.0 0.0 151.1 0.0 0.0
14 29.3 0.0 0.0 27.3 0.0 0.0 27.6 0.0 0.0 134.8 0.0 0.0 171.0 0.0 0.0 150.4 0.0 0.0
15 29.4 0.0 0.0 27.5 0.0 0.0 27.2 0.0 0.0 134.7 0.0 0.0 171.4 0.0 0.0 151.3 0.0 0.0
16 35.3 0.0 0.0 34.4 0.0 0.0 27.0 0.0 0.0 137.8 0.0 0.0 179.7 0.0 0.0 172.3 0.0 0.0
17 35.3 0.0 0.0 35.3 0.0 0.0 27.0 0.0 0.0 146.3 0.0 0.0 178.8 0.0 0.0 175.4 0.0 0.0
18 34.3 0.0 0.0 35.4 0.0 0.0 28.6 0.0 0.0 149.5 0.0 0.0 187.0 0.0 0.0 188.1 0.0 0.0
19 34.0 0.0 0.0 35.3 0.0 0.0 27.0 0.0 0.0 149.6 0.0 0.0 182.0 0.0 0.0 190.6 0.0 0.0
20 33.7 0.0 0.0 35.2 0.0 0.0 26.9 0.0 0.0 149.9 0.0 0.0 182.5 0.0 0.0 190.2 0.0 0.0
21 34.8 0.0 0.0 35.4 0.0 0.0 26.9 0.0 0.0 149.6 0.0 0.0 178.7 0.0 0.0 193.3 0.0 0.0
22 33.2 0.0 0.0 35.0 0.0 0.0 26.9 0.0 0.0 149.3 0.0 0.0 181.8 0.0 0.0 194.1 0.0 0.0
23 33.2 0.0 0.0 35.0 0.0 0.0 26.9 0.0 0.0 150.3 0.0 0.0 180.9 0.0 0.0 183.7 0.0 0.0
24 28.1 0.0 0.0 28.9 0.0 0.0 26.8 0.0 0.0 151.5 0.0 0.0 180.7 0.0 0.0 180.9 0.0 0.0
24-hour average 31.20.00.0 31.20.00.0 28.60.00.0 143.40.00.0 174.52.91.6 172.30.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/16/2025 01 28.2 0.0 0.0 27.3 0.0 0.0 26.9 0.0 0.0 150.5 0.0 0.0 181.4 0.0 0.0 174.9 0.0 0.0
02 28.3 0.0 0.0 27.4 0.0 0.0 26.9 0.0 0.0 150.2 0.0 0.0 182.5 0.0 0.0 175.3 0.0 0.0
03 28.2 0.0 0.0 27.3 0.0 0.0 26.4 0.0 0.0 150.9 0.0 0.0 182.3 0.0 0.0 174.7 0.0 0.0
04 28.2 0.0 0.0 27.3 0.0 0.0 27.9 0.0 0.0 151.4 0.0 0.0 183.8 0.0 0.0 176.2 0.0 0.0
05 28.3 0.0 0.0 27.2 0.0 0.0 26.4 0.0 0.0 151.8 0.0 0.0 172.0 0.0 0.0 176.4 0.0 0.0
06 33.8 0.0 0.0 27.8 0.0 0.0 26.6 0.0 0.0 151.6 0.0 0.0 170.9 0.0 0.0 172.4 0.0 0.0
07 35.3 0.0 0.0 35.2 0.0 0.0 26.7 0.0 0.0 136.0 0.0 0.0 170.8 1.2 0.7 175.5 0.0 0.0
08 34.0 0.0 0.0 35.5 0.0 0.0 26.9 0.0 0.0 121.3 0.0 0.0 170.1 15.0 8.8 175.1 0.0 0.0
09 33.9 0.0 0.0 35.2 0.0 0.0 26.7 0.0 0.0 121.3 0.0 0.0 169.1 15.1 8.9 177.2 0.0 0.0
10 28.9 0.0 0.0 27.4 0.0 0.0 26.6 0.0 0.0 121.2 0.0 0.0 167.8 13.8 8.2 175.7 0.0 0.0
11 28.7 0.0 0.0 28.6 0.0 0.0 26.6 0.0 0.0 121.0 0.0 0.0 168.4 0.0 0.0 176.3 0.0 0.0
12 28.8 0.0 0.0 27.2 0.0 0.0 28.2 0.0 0.0 122.9 0.0 0.0 171.7 0.0 0.0 162.1 0.0 0.0
13 28.5 0.0 0.0 26.9 0.0 0.0 26.6 0.0 0.0 137.5 0.0 0.0 169.1 0.0 0.0 155.0 0.0 0.0
14 28.8 0.0 0.0 27.2 0.0 0.0 26.6 0.0 0.0 154.4 16.5 10.7 172.0 0.0 0.0 156.9 0.0 0.0
15 29.3 0.0 0.0 28.2 0.0 0.0 28.1 0.0 0.0 158.1 17.0 10.8 170.6 0.0 0.0 161.1 0.0 0.0
16 36.4 0.0 0.0 47.6 0.0 0.0 40.0 0.0 0.0 170.0 16.9 9.9 171.8 0.0 0.0 163.4 0.0 0.0
17 42.8 0.0 0.0 47.8 0.0 0.0 40.7 0.0 0.0 170.8 16.8 9.8 192.0 0.0 0.0 192.1 0.0 0.0
18 43.0 0.0 0.0 47.5 0.0 0.0 40.2 0.0 0.0 170.1 16.9 9.9 192.6 0.0 0.0 194.1 0.0 0.0
19 42.5 0.0 0.0 47.5 0.0 0.0 40.2 0.0 0.0 170.2 17.0 10.0 190.3 0.0 0.0 190.5 0.0 0.0
20 42.8 0.0 0.0 47.9 0.0 0.0 41.9 0.0 0.0 172.8 19.5 11.3 191.0 0.0 0.0 189.8 0.0 0.0
21 42.8 0.0 0.0 49.5 0.0 0.0 40.3 0.0 0.0 173.3 20.1 11.6 191.4 0.0 0.0 189.6 0.0 0.0
22 43.6 0.0 0.0 47.4 0.0 0.0 40.1 0.0 0.0 173.1 20.1 11.6 190.7 0.0 0.0 189.6 0.0 0.0
23 34.2 0.0 0.0 35.8 0.0 0.0 40.0 0.0 0.0 173.1 19.9 11.5 191.0 0.0 0.0 191.3 0.0 0.0
24 28.7 0.0 0.0 27.5 0.0 0.0 39.4 0.0 0.0 173.1 20.0 11.6 190.5 0.0 0.0 194.4 0.0 0.0
24-hour average 33.70.00.0 34.80.00.0 32.00.00.0 151.98.44.9 179.31.91.1 177.50.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/17/2025 01 17.0 0.0 0.0 17.0 0.0 0.0 26.7 0.0 0.0 173.8 20.2 11.6 187.4 0.0 0.0 173.6 0.0 0.0
02 17.3 0.0 0.0 18.8 0.0 0.0 13.8 0.0 0.0 173.6 20.1 11.6 189.9 0.0 0.0 160.5 0.0 0.0
03 17.4 0.0 0.0 17.4 0.0 0.0 13.5 0.0 0.0 173.3 20.1 11.6 191.4 0.0 0.0 158.9 0.0 0.0
04 16.5 0.0 0.0 14.5 0.0 0.0 13.4 0.0 0.0 173.6 19.8 11.4 195.0 7.9 4.1 157.2 0.0 0.0
05 23.5 10.7 45.5 24.2 13.0 53.7 24.6 11.3 45.9 173.8 19.4 11.2 193.8 20.1 10.4 164.8 42.2 25.6
06 20.0 18.7 93.5 18.4 16.7 90.8 25.2 24.7 98.0 166.4 20.0 12.0 198.5 20.2 10.2 168.7 45.0 26.7
07 22.4 2.1 9.4 19.6 0.0 0.0 26.5 21.9 82.6 157.0 20.7 13.2 191.5 15.3 8.0 175.9 45.0 25.6
08 25.3 0.0 0.0 34.9 0.0 0.0 41.1 0.0 0.0 145.1 20.7 14.3 173.9 0.0 0.0 179.7 1.2 0.7
09 26.9 0.0 0.0 36.7 0.0 0.0 39.8 0.0 0.0 144.8 20.9 14.4 172.1 0.0 0.0 184.0 0.0 0.0
10 28.1 0.0 0.0 35.6 0.0 0.0 39.9 0.0 0.0 144.8 21.3 14.7 151.0 0.8 0.5 184.8 0.0 0.0
11 28.1 0.0 0.0 35.5 0.0 0.0 39.9 0.0 0.0 142.0 21.4 15.1 149.2 0.0 0.0 178.9 0.0 0.0
12 27.2 0.0 0.0 27.7 0.0 0.0 39.7 0.0 0.0 131.9 21.4 16.2 147.7 0.0 0.0 179.6 0.0 0.0
13 27.3 0.0 0.0 27.4 0.0 0.0 39.9 0.0 0.0 159.3 21.4 13.4 147.3 0.0 0.0 185.0 0.0 0.0
14 27.4 0.0 0.0 27.4 0.0 0.0 27.4 0.0 0.0 161.1 21.4 13.3 130.7 0.0 0.0 174.0 0.0 0.0
15 27.8 0.0 0.0 28.3 0.0 0.0 27.7 0.0 0.0 161.5 21.7 13.4 145.6 0.0 0.0 168.9 0.0 0.0
16 35.4 0.0 0.0 36.6 0.0 0.0 40.3 0.0 0.0 161.8 21.6 13.3 156.9 0.0 0.0 163.3 0.0 0.0
17 48.7 0.0 0.0 49.8 0.0 0.0 41.3 0.0 0.0 160.6 21.7 13.5 179.0 0.0 0.0 180.3 0.0 0.0
18 49.7 0.0 0.0 50.3 0.0 0.0 53.2 0.0 0.0 174.7 21.4 12.2 209.9 0.0 0.0 199.6 0.0 0.0
19 49.8 0.0 0.0 50.3 0.0 0.0 53.6 0.0 0.0 174.8 20.0 11.4 212.6 0.0 0.0 202.9 0.0 0.0
20 50.0 0.0 0.0 50.2 0.0 0.0 55.2 0.0 0.0 175.0 20.4 11.7 210.6 0.0 0.0 204.6 0.0 0.0
21 44.5 0.0 0.0 49.9 0.0 0.0 53.9 0.0 0.0 173.9 20.7 11.9 209.8 0.0 0.0 202.9 0.0 0.0
22 43.9 0.0 0.0 44.5 0.0 0.0 53.8 0.0 0.0 172.2 20.5 11.9 209.2 0.0 0.0 202.8 0.0 0.0
23 45.0 0.0 0.0 43.7 0.0 0.0 53.1 0.0 0.0 171.8 20.5 11.9 209.1 0.0 0.0 202.2 0.0 0.0
24 33.6 0.0 0.0 33.2 0.0 0.0 39.2 0.0 0.0 172.2 20.5 11.9 210.2 0.0 0.0 203.9 0.0 0.0
24-hour average 31.41.36.2 33.01.26.0 36.82.49.4 163.320.712.8 182.22.71.4 181.55.63.3
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/18/2025 01 14.0 0.0 0.0 17.5 0.0 0.0 26.4 0.0 0.0 172.4 20.4 11.8 210.3 0.0 0.0 201.3 0.0 0.0
02 14.1 0.0 0.0 17.4 0.0 0.0 13.3 0.0 0.0 172.6 20.4 11.8 211.2 0.0 0.0 203.8 0.0 0.0
03 13.6 0.0 0.0 18.2 0.0 0.0 14.8 0.0 0.0 172.0 20.4 11.9 210.8 0.0 0.0 200.0 0.0 0.0
04 13.7 0.0 0.0 17.2 0.0 0.0 13.8 0.0 0.0 171.5 20.3 11.8 211.8 0.0 0.0 201.0 0.0 0.0
05 29.0 0.0 0.0 27.2 0.0 0.0 27.5 0.0 0.0 172.7 20.3 11.8 212.3 0.0 0.0 199.2 0.0 0.0
06 41.3 0.0 0.0 39.9 0.0 0.0 40.3 0.0 0.0 172.1 20.3 11.8 213.9 0.0 0.0 220.7 0.0 0.0
07 60.0 0.0 0.0 59.7 0.0 0.0 42.1 0.0 0.0 170.6 32.9 19.3 211.9 0.0 0.0 223.2 0.0 0.0
08 60.5 0.0 0.0 59.3 0.0 0.0 40.7 0.0 0.0 177.7 55.7 31.3 211.8 2.4 1.1 222.0 0.0 0.0
09 60.9 0.0 0.0 61.1 0.0 0.0 40.6 0.0 0.0 173.7 55.5 32.0 222.2 30.1 13.5 225.6 0.0 0.0
10 59.9 0.0 0.0 59.3 0.0 0.0 40.7 0.0 0.0 174.1 55.3 31.8 224.0 30.1 13.4 226.9 0.0 0.0
11 43.6 0.0 0.0 42.0 0.0 0.0 40.6 0.0 0.0 174.3 55.5 31.8 220.6 30.1 13.6 229.6 0.0 0.0
12 41.1 0.0 0.0 41.4 0.0 0.0 40.6 0.0 0.0 173.7 55.7 32.1 218.1 30.1 13.8 218.7 0.0 0.0
13 41.1 0.0 0.0 41.3 0.0 0.0 40.6 0.0 0.0 173.9 55.9 32.1 220.4 30.1 13.7 215.3 0.0 0.0
14 41.4 0.0 0.0 51.0 0.0 0.0 53.1 0.0 0.0 174.9 56.0 32.0 224.7 30.2 13.4 216.3 0.0 0.0
15 42.3 0.0 0.0 52.2 0.0 0.0 53.8 0.0 0.0 178.8 46.9 26.2 223.6 30.2 13.5 215.5 0.0 0.0
16 60.9 0.0 0.0 60.0 0.0 0.0 55.0 0.0 0.0 192.2 35.2 18.3 224.6 30.1 13.4 225.2 0.0 0.0
17 61.6 0.0 0.0 59.8 0.0 0.0 53.7 0.0 0.0 221.8 34.9 15.7 236.4 30.1 12.7 225.6 0.0 0.0
18 61.8 0.0 0.0 61.4 0.0 0.0 53.7 0.0 0.0 223.2 35.2 15.8 245.7 30.2 12.3 228.2 0.0 0.0
19 62.3 0.0 0.0 62.6 0.0 0.0 54.9 0.0 0.0 222.4 35.1 15.8 242.1 30.1 12.4 225.4 0.0 0.0
20 62.1 0.0 0.0 60.4 0.0 0.0 53.7 0.0 0.0 222.9 35.0 15.7 242.4 30.1 12.4 226.4 0.0 0.0
21 62.3 0.0 0.0 62.9 0.0 0.0 53.6 0.0 0.0 222.3 34.6 15.6 243.2 30.1 12.4 228.4 0.0 0.0
22 61.4 0.0 0.0 61.7 0.0 0.0 53.8 0.0 0.0 213.1 24.9 11.7 244.0 30.1 12.3 230.4 0.0 0.0
23 40.2 0.0 0.0 45.6 0.0 0.0 53.4 0.0 0.0 212.7 24.8 11.7 243.6 30.1 12.4 228.2 0.0 0.0
24 28.7 0.0 0.0 32.5 0.0 0.0 53.3 0.0 0.0 212.8 25.3 11.9 243.1 30.1 12.4 226.8 0.0 0.0
24-hour average 44.90.00.0 46.30.00.0 42.30.00.0 189.536.519.7 225.520.28.7 219.30.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/19/2025 01 27.8 0.0 0.0 30.7 0.0 0.0 53.6 0.0 0.0 212.3 30.1 14.2 244.3 30.1 12.3 229.6 0.0 0.0
02 27.7 0.0 0.0 27.5 0.0 0.0 52.6 0.0 0.0 218.9 35.0 16.0 244.3 30.1 12.3 230.0 0.0 0.0
03 27.6 0.0 0.0 26.9 0.0 0.0 40.9 0.0 0.0 223.7 35.2 15.7 244.5 30.2 12.4 215.4 0.0 0.0
04 28.0 0.0 0.0 27.8 0.0 0.0 41.2 0.0 0.0 223.6 35.4 15.8 245.9 30.2 12.3 216.3 0.0 0.0
05 28.2 0.0 0.0 27.7 0.0 0.0 41.1 0.0 0.0 223.3 35.1 15.7 245.2 29.5 12.0 212.7 0.0 0.0
06 40.5 0.0 0.0 41.7 0.0 0.0 41.1 0.0 0.0 222.7 33.8 15.2 225.4 9.8 4.3 198.6 0.0 0.0
07 61.8 0.0 0.0 61.8 0.0 0.0 41.2 0.0 0.0 198.1 10.9 5.5 196.9 0.1 0.1 198.7 0.0 0.0
08 61.4 0.0 0.0 60.0 0.0 0.0 41.0 0.0 0.0 196.4 9.7 4.9 207.2 0.0 0.0 200.5 0.0 0.0
09 42.4 0.0 0.0 41.6 0.0 0.0 39.3 0.0 0.0 182.7 0.8 0.4 208.2 0.0 0.0 203.6 0.0 0.0
10 28.7 0.0 0.0 32.6 0.0 0.0 27.0 0.0 0.0 179.4 0.0 0.0 215.0 0.0 0.0 197.0 0.0 0.0
11 28.2 0.0 0.0 27.1 0.0 0.0 26.9 0.0 0.0 179.3 0.0 0.0 209.6 0.0 0.0 195.6 0.0 0.0
12 28.2 0.0 0.0 27.4 0.0 0.0 26.9 0.0 0.0 179.4 0.0 0.0 209.9 0.0 0.0 196.3 0.0 0.0
13 28.2 0.0 0.0 27.2 0.0 0.0 26.8 0.0 0.0 178.8 0.0 0.0 196.4 0.0 0.0 197.2 0.0 0.0
14 28.2 0.0 0.0 27.6 0.0 0.0 28.3 0.0 0.0 177.6 0.0 0.0 189.2 0.0 0.0 198.7 0.0 0.0
15 28.6 0.0 0.0 27.8 0.0 0.0 26.9 0.0 0.0 177.7 0.0 0.0 188.9 0.0 0.0 195.2 0.0 0.0
16 40.0 0.0 0.0 27.7 0.0 0.0 27.0 0.0 0.0 177.4 0.0 0.0 189.9 0.0 0.0 212.2 0.0 0.0
17 41.0 0.0 0.0 39.7 0.0 0.0 40.0 0.0 0.0 178.0 0.0 0.0 210.6 0.0 0.0 212.6 0.0 0.0
18 41.0 0.0 0.0 40.6 0.0 0.0 40.8 0.0 0.0 177.9 0.0 0.0 211.8 0.0 0.0 214.3 0.0 0.0
19 40.9 0.0 0.0 39.9 0.0 0.0 41.9 0.0 0.0 176.7 0.0 0.0 211.7 0.0 0.0 212.0 0.0 0.0
20 40.9 0.0 0.0 56.9 0.0 0.0 53.7 0.0 0.0 177.8 0.0 0.0 212.6 0.0 0.0 212.1 0.0 0.0
21 40.1 0.0 0.0 60.1 0.0 0.0 54.5 0.0 0.0 177.6 0.0 0.0 201.4 0.0 0.0 221.2 0.0 0.0
22 29.3 0.0 0.0 59.9 0.0 0.0 53.4 0.0 0.0 176.7 0.0 0.0 200.8 0.0 0.0 224.9 0.0 0.0
23 26.9 0.0 0.0 40.7 0.0 0.0 38.3 0.0 0.0 174.9 0.0 0.0 193.6 0.0 0.0 224.2 0.0 0.0
24 26.9 0.0 0.0 27.2 0.0 0.0 26.2 0.0 0.0 183.2 7.5 4.1 191.0 0.0 0.0 215.7 0.0 0.0
24-hour average 35.10.00.0 37.80.00.0 38.80.00.0 190.69.74.5 212.36.72.7 209.80.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/20/2025 01 27.0 0.0 0.0 27.1 0.0 0.0 25.9 0.0 0.0 194.3 10.5 5.4 187.4 0.0 0.0 196.5 0.0 0.0
02 27.3 0.0 0.0 27.8 0.0 0.0 26.0 0.0 0.0 194.7 10.4 5.3 201.3 0.0 0.0 194.8 0.0 0.0
03 27.7 0.0 0.0 27.4 0.0 0.0 25.9 0.0 0.0 195.1 10.4 5.3 199.6 0.0 0.0 194.2 0.0 0.0
04 27.5 0.0 0.0 29.2 0.0 0.0 27.3 0.0 0.0 194.0 10.3 5.3 198.6 0.0 0.0 192.3 0.0 0.0
05 29.2 0.0 0.0 40.6 0.0 0.0 39.0 0.0 0.0 195.1 10.3 5.3 202.2 0.0 0.0 194.9 0.0 0.0
06 28.3 0.0 0.0 41.2 0.0 0.0 39.3 0.0 0.0 194.6 10.3 5.3 208.8 0.0 0.0 215.2 0.0 0.0
07 45.0 0.0 0.0 50.1 0.0 0.0 39.3 0.0 0.0 186.0 2.0 1.1 209.9 0.0 0.0 220.7 0.0 0.0
08 44.7 0.0 0.0 50.5 0.0 0.0 39.6 0.0 0.0 184.1 0.0 0.0 209.0 0.0 0.0 216.6 0.0 0.0
09 44.3 0.0 0.0 50.0 0.0 0.0 41.1 0.0 0.0 183.5 0.0 0.0 207.9 0.0 0.0 215.0 0.0 0.0
10 45.2 0.0 0.0 50.7 0.0 0.0 39.7 0.0 0.0 183.6 0.0 0.0 210.6 0.0 0.0 216.1 0.0 0.0
11 44.3 0.0 0.0 40.6 0.0 0.0 39.6 0.0 0.0 183.4 0.0 0.0 207.6 0.0 0.0 209.9 0.0 0.0
12 44.7 0.0 0.0 41.6 0.0 0.0 39.6 0.0 0.0 183.2 0.0 0.0 210.4 0.0 0.0 209.8 0.0 0.0
13 44.8 0.0 0.0 40.6 0.0 0.0 39.7 0.0 0.0 184.2 0.0 0.0 209.4 0.0 0.0 211.3 0.0 0.0
14 44.8 0.0 0.0 40.5 0.0 0.0 39.6 0.0 0.0 183.8 0.0 0.0 209.3 0.0 0.0 208.6 0.0 0.0
15 45.0 0.0 0.0 41.1 0.0 0.0 39.6 0.0 0.0 184.1 0.0 0.0 210.4 0.0 0.0 211.1 0.0 0.0
16 45.8 0.0 0.0 42.3 0.0 0.0 39.7 0.0 0.0 183.9 0.0 0.0 211.4 0.0 0.0 210.9 0.0 0.0
17 59.7 0.0 0.0 60.6 0.0 0.0 41.6 0.0 0.0 184.3 0.0 0.0 210.5 0.0 0.0 209.4 0.0 0.0
18 59.9 0.0 0.0 60.0 0.0 0.0 53.0 0.0 0.0 184.3 0.0 0.0 209.9 0.0 0.0 208.0 0.0 0.0
19 60.2 0.0 0.0 59.8 0.0 0.0 53.7 0.0 0.0 184.4 0.0 0.0 210.1 0.0 0.0 211.0 0.0 0.0
20 60.2 0.0 0.0 61.1 0.0 0.0 54.0 0.0 0.0 183.8 0.0 0.0 210.7 0.0 0.0 211.9 0.0 0.0
21 59.6 0.0 0.0 59.8 0.0 0.0 54.2 0.0 0.0 185.6 0.0 0.0 213.1 0.0 0.0 211.7 0.0 0.0
22 42.1 0.0 0.0 41.8 0.0 0.0 54.2 0.0 0.0 185.4 0.0 0.0 212.4 0.0 0.0 212.7 0.0 0.0
23 40.9 0.0 0.0 40.1 0.0 0.0 53.9 0.0 0.0 184.8 0.0 0.0 207.0 0.0 0.0 200.8 0.0 0.0
24 40.7 0.0 0.0 40.1 0.0 0.0 52.8 0.0 0.0 184.6 0.0 0.0 203.9 0.0 0.0 200.6 0.0 0.0
24-hour average 43.30.00.0 44.40.00.0 41.60.00.0 186.92.71.4 207.10.00.0 207.70.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/21/2025 01 40.8 0.0 0.0 40.3 0.0 0.0 40.3 0.0 0.0 184.8 0.0 0.0 194.4 0.0 0.0 189.8 0.0 0.0
02 41.0 0.0 0.0 40.4 0.0 0.0 40.0 0.0 0.0 184.9 0.0 0.0 196.8 0.0 0.0 189.2 0.0 0.0
03 40.8 0.0 0.0 40.2 0.0 0.0 39.9 0.0 0.0 185.1 0.0 0.0 194.0 0.0 0.0 190.2 0.0 0.0
04 41.0 0.0 0.0 40.9 0.0 0.0 40.0 0.0 0.0 182.8 0.0 0.0 194.5 0.0 0.0 190.6 0.0 0.0
05 41.0 0.0 0.0 41.1 0.0 0.0 40.0 0.0 0.0 184.8 0.0 0.0 195.6 0.0 0.0 189.9 0.0 0.0
06 41.2 0.0 0.0 41.2 0.0 0.0 40.1 0.0 0.0 184.4 0.0 0.0 195.4 0.0 0.0 190.2 0.0 0.0
07 41.2 0.0 0.0 41.3 0.0 0.0 40.1 0.0 0.0 183.9 0.0 0.0 195.4 0.0 0.0 201.2 0.0 0.0
08 40.7 0.0 0.0 40.6 0.0 0.0 39.8 0.0 0.0 184.5 0.0 0.0 192.0 0.0 0.0 199.5 0.0 0.0
09 40.8 0.0 0.0 40.5 0.0 0.0 39.8 0.0 0.0 184.2 0.0 0.0 194.1 0.0 0.0 202.9 0.0 0.0
10 40.8 0.0 0.0 40.5 0.0 0.0 39.8 0.0 0.0 184.1 0.0 0.0 195.4 0.0 0.0 202.2 0.0 0.0
11 41.0 0.0 0.0 40.6 0.0 0.0 39.9 0.0 0.0 184.0 0.0 0.0 193.2 0.0 0.0 203.3 0.0 0.0
12 41.2 0.0 0.0 40.8 0.0 0.0 40.0 0.0 0.0 184.1 0.0 0.0 195.4 0.0 0.0 203.6 0.0 0.0
13 40.8 0.0 0.0 40.2 0.0 0.0 39.8 0.0 0.0 182.7 0.0 0.0 194.5 0.0 0.0 202.3 0.0 0.0
14 40.9 0.0 0.0 40.5 0.0 0.0 39.9 0.0 0.0 183.3 0.0 0.0 194.1 0.0 0.0 203.0 0.0 0.0
15 41.1 0.0 0.0 40.6 0.0 0.0 41.4 0.0 0.0 183.3 0.0 0.0 195.4 0.0 0.0 205.3 0.0 0.0
16 42.0 0.0 0.0 41.6 0.0 0.0 40.1 0.0 0.0 182.8 0.0 0.0 212.2 0.0 0.0 204.6 0.0 0.0
17 60.1 0.0 0.0 58.9 0.0 0.0 40.5 0.0 0.0 183.6 0.0 0.0 209.6 0.0 0.0 210.3 0.0 0.0
18 60.1 0.0 0.0 59.1 0.0 0.0 55.2 0.0 0.0 182.8 0.0 0.0 208.8 0.0 0.0 211.0 0.0 0.0
19 60.6 0.0 0.0 59.9 0.0 0.0 54.4 0.0 0.0 184.5 2.2 1.2 212.8 0.0 0.0 212.5 0.0 0.0
20 60.4 0.0 0.0 59.2 0.0 0.0 54.3 0.0 0.0 204.3 20.9 10.2 213.3 0.0 0.0 212.1 0.0 0.0
21 59.6 0.0 0.0 59.1 0.0 0.0 54.4 0.0 0.0 204.5 21.0 10.3 211.0 0.0 0.0 213.2 0.0 0.0
22 40.4 0.0 0.0 58.7 0.0 0.0 54.4 0.0 0.0 204.8 21.0 10.3 212.0 0.0 0.0 216.1 0.0 0.0
23 27.9 0.0 0.0 40.8 0.0 0.0 54.5 0.0 0.0 204.8 21.0 10.3 215.5 0.0 0.0 209.4 0.0 0.0
24 27.2 0.0 0.0 40.2 0.0 0.0 53.9 0.0 0.0 204.6 21.0 10.3 207.4 0.0 0.0 206.5 0.0 0.0
24-hour average 43.90.00.0 45.30.00.0 44.30.00.0 188.24.52.2 201.00.00.0 202.50.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/22/2025 01 27.3 0.0 0.0 30.0 0.0 0.0 40.7 0.0 0.0 203.9 21.0 10.3 211.7 0.0 0.0 210.9 0.0 0.0
02 27.4 0.0 0.0 30.6 0.0 0.0 40.0 0.0 0.0 204.7 21.0 10.3 213.2 0.0 0.0 210.6 0.0 0.0
03 27.2 0.0 0.0 30.3 0.0 0.0 40.0 0.0 0.0 204.5 21.0 10.3 213.1 0.0 0.0 211.2 0.0 0.0
04 28.6 0.0 0.0 30.4 0.0 0.0 41.5 0.0 0.0 204.8 20.9 10.2 212.9 0.0 0.0 209.7 0.0 0.0
05 27.1 0.0 0.0 30.2 0.0 0.0 40.0 0.0 0.0 204.5 21.0 10.3 211.7 0.0 0.0 209.8 0.0 0.0
06 27.3 0.0 0.0 30.7 0.0 0.0 40.1 0.0 0.0 204.7 21.0 10.3 211.9 0.0 0.0 207.8 0.0 0.0
07 39.4 0.0 0.0 39.1 0.0 0.0 40.2 0.0 0.0 204.1 21.0 10.3 211.8 0.0 0.0 209.2 0.0 0.0
08 39.6 0.0 0.0 38.8 0.0 0.0 40.0 0.0 0.0 204.2 20.9 10.2 209.6 0.0 0.0 208.6 0.0 0.0
09 39.7 0.0 0.0 39.3 0.0 0.0 40.0 0.0 0.0 203.1 20.9 10.3 187.5 0.0 0.0 187.0 0.0 0.0
10 39.7 0.0 0.0 40.4 0.0 0.0 41.5 0.0 0.0 204.7 20.8 10.2 187.2 0.0 0.0 184.7 0.0 0.0
11 39.7 0.0 0.0 39.2 0.0 0.0 40.0 0.0 0.0 204.7 20.7 10.1 187.6 0.0 0.0 168.8 0.0 0.0
12 39.8 0.0 0.0 38.9 0.0 0.0 40.1 0.0 0.0 205.0 20.7 10.1 169.3 0.0 0.0 166.7 0.0 0.0
13 39.8 0.0 0.0 39.1 0.0 0.0 40.1 0.0 0.0 204.6 20.6 10.1 170.6 0.0 0.0 166.9 0.0 0.0
14 40.1 0.0 0.0 41.0 0.0 0.0 40.0 0.0 0.0 205.3 20.5 10.0 170.0 0.0 0.0 166.8 0.0 0.0
15 40.7 0.0 0.0 40.4 0.0 0.0 40.2 0.0 0.0 204.3 20.4 10.0 173.1 0.0 0.0 170.4 0.0 0.0
16 53.7 0.0 0.0 54.2 0.0 0.0 40.0 0.0 0.0 205.4 20.3 9.9 172.6 0.0 0.0 168.7 0.0 0.0
17 53.6 0.0 0.0 54.0 0.0 0.0 39.9 0.0 0.0 202.3 16.8 8.3 179.4 0.0 0.0 178.4 0.0 0.0
18 55.1 0.0 0.0 53.8 0.0 0.0 39.8 0.0 0.0 184.2 0.0 0.0 200.1 0.0 0.0 193.1 0.0 0.0
19 54.2 0.0 0.0 54.6 0.0 0.0 40.3 0.0 0.0 183.6 0.0 0.0 200.7 0.0 0.0 196.8 0.0 0.0
20 54.1 0.0 0.0 54.9 0.0 0.0 54.7 0.0 0.0 180.8 0.0 0.0 202.4 0.0 0.0 199.0 0.0 0.0
21 55.4 0.0 0.0 54.8 0.0 0.0 53.7 0.0 0.0 183.3 0.0 0.0 202.6 0.0 0.0 198.5 0.0 0.0
22 54.5 0.0 0.0 54.7 0.0 0.0 53.4 0.0 0.0 184.3 0.0 0.0 203.2 0.0 0.0 200.4 0.0 0.0
23 41.4 0.0 0.0 40.5 0.0 0.0 40.5 0.0 0.0 183.9 0.0 0.0 202.3 0.0 0.0 207.2 0.0 0.0
24 40.8 0.0 0.0 40.1 0.0 0.0 39.2 0.0 0.0 183.8 0.0 0.0 202.3 0.0 0.0 205.0 0.0 0.0
24-hour average 41.10.00.0 41.70.00.0 41.90.00.0 198.314.67.1 196.10.00.0 193.20.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/23/2025 01 28.7 0.0 0.0 29.5 0.0 0.0 28.2 0.0 0.0 183.8 0.0 0.0 183.1 0.0 0.0 185.8 0.0 0.0
02 27.8 0.0 0.0 30.1 0.0 0.0 26.7 0.0 0.0 183.9 0.0 0.0 181.2 0.0 0.0 178.5 0.0 0.0
03 27.7 0.0 0.0 31.9 0.0 0.0 26.7 0.0 0.0 180.7 0.0 0.0 181.3 0.0 0.0 180.8 0.0 0.0
04 27.5 0.0 0.0 30.3 0.0 0.0 26.5 0.0 0.0 183.8 0.0 0.0 180.9 0.0 0.0 181.3 0.0 0.0
05 27.7 0.0 0.0 30.4 0.0 0.0 26.4 0.0 0.0 183.8 0.0 0.0 180.3 0.0 0.0 180.2 0.0 0.0
06 28.0 0.0 0.0 31.0 0.0 0.0 26.5 0.0 0.0 183.5 0.0 0.0 182.5 0.0 0.0 180.9 0.0 0.0
07 41.7 0.0 0.0 41.5 0.0 0.0 37.8 0.0 0.0 184.3 0.0 0.0 202.3 0.0 0.0 204.1 0.0 0.0
08 53.6 0.0 0.0 55.4 0.0 0.0 52.0 0.0 0.0 184.1 0.0 0.0 212.8 0.0 0.0 214.4 0.0 0.0
09 55.5 0.0 0.0 56.2 0.0 0.0 52.7 0.0 0.0 184.1 0.0 0.0 213.5 0.0 0.0 216.7 0.0 0.0
10 54.0 0.0 0.0 54.7 0.0 0.0 52.7 0.0 0.0 183.9 0.0 0.0 212.4 0.0 0.0 214.9 0.0 0.0
11 41.7 0.0 0.0 41.1 0.0 0.0 39.0 0.0 0.0 183.8 0.0 0.0 188.4 0.0 0.0 190.3 0.0 0.0
12 40.9 0.0 0.0 40.6 0.0 0.0 38.6 0.0 0.0 183.5 0.0 0.0 187.0 0.0 0.0 179.4 0.0 0.0
13 41.2 0.0 0.0 41.1 0.0 0.0 39.0 0.0 0.0 182.9 0.0 0.0 189.5 0.0 0.0 178.8 0.0 0.0
14 41.0 0.0 0.0 41.2 0.0 0.0 38.9 0.0 0.0 182.8 0.0 0.0 189.3 0.0 0.0 178.6 0.0 0.0
15 41.5 0.0 0.0 41.3 0.0 0.0 38.9 0.0 0.0 182.8 0.0 0.0 190.3 0.0 0.0 179.7 0.0 0.0
16 53.8 0.0 0.0 40.7 0.0 0.0 39.0 0.0 0.0 183.4 0.0 0.0 184.8 0.0 0.0 203.7 0.0 0.0
17 55.3 0.0 0.0 55.1 0.0 0.0 53.6 0.0 0.0 183.5 0.0 0.0 185.1 0.0 0.0 204.6 0.0 0.0
18 55.5 0.0 0.0 55.1 0.0 0.0 54.5 0.0 0.0 183.0 0.0 0.0 184.4 0.0 0.0 183.1 0.0 0.0
19 55.0 0.0 0.0 55.1 0.0 0.0 53.4 0.0 0.0 202.5 18.8 9.3 185.4 0.0 0.0 189.2 0.0 0.0
20 53.9 0.0 0.0 55.3 0.0 0.0 40.2 0.0 0.0 209.1 24.9 11.9 186.0 0.0 0.0 191.3 0.0 0.0
21 41.0 0.0 0.0 40.9 0.0 0.0 39.6 0.0 0.0 209.6 25.0 11.9 186.3 0.0 0.0 190.9 0.0 0.0
22 28.8 0.0 0.0 30.7 0.0 0.0 38.5 0.0 0.0 205.6 21.4 10.4 186.5 0.0 0.0 191.1 0.0 0.0
23 14.4 0.0 0.0 27.6 0.0 0.0 26.8 0.0 0.0 193.4 10.4 5.4 148.4 0.0 0.0 148.8 0.0 0.0
24 13.8 0.0 0.0 26.8 0.0 0.0 26.6 0.0 0.0 183.1 0.0 0.0 145.0 0.0 0.0 144.1 0.0 0.0
24-hour average 39.60.00.0 41.00.00.0 38.50.00.0 187.74.22.0 186.10.00.0 187.10.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/24/2025 01 13.8 0.0 0.0 26.3 0.0 0.0 25.4 0.0 0.0 183.5 0.0 0.0 146.7 0.0 0.0 144.4 0.0 0.0
02 13.8 0.0 0.0 13.5 0.0 0.0 13.2 0.0 0.0 184.0 0.0 0.0 149.5 0.0 0.0 146.0 0.0 0.0
03 13.8 0.0 0.0 12.8 0.0 0.0 13.1 0.0 0.0 183.0 0.0 0.0 168.6 0.0 0.0 167.5 0.0 0.0
04 15.3 0.0 0.0 13.0 0.0 0.0 13.3 0.0 0.0 184.4 0.0 0.0 171.7 0.0 0.0 172.0 0.0 0.0
05 14.9 0.0 0.0 13.6 0.0 0.0 14.4 0.0 0.0 184.4 0.0 0.0 171.3 0.0 0.0 168.8 0.0 0.0
06 27.5 0.0 0.0 26.9 0.0 0.0 26.8 0.0 0.0 184.5 0.0 0.0 170.2 0.0 0.0 167.7 0.0 0.0
07 40.1 0.0 0.0 41.1 0.0 0.0 39.0 0.0 0.0 184.3 0.0 0.0 201.5 0.0 0.0 199.5 0.0 0.0
08 39.7 0.0 0.0 40.6 0.0 0.0 38.5 0.0 0.0 184.2 0.0 0.0 201.3 0.0 0.0 201.7 0.0 0.0
09 39.9 0.0 0.0 42.2 0.0 0.0 38.3 0.0 0.0 184.2 0.0 0.0 199.3 0.0 0.0 201.5 0.0 0.0
10 40.0 0.0 0.0 40.3 0.0 0.0 38.8 0.0 0.0 184.4 0.0 0.0 198.9 0.0 0.0 199.7 0.0 0.0
11 39.8 0.0 0.0 40.1 0.0 0.0 38.9 0.0 0.0 184.6 0.0 0.0 198.4 0.0 0.0 200.1 0.0 0.0
12 28.5 0.0 0.0 27.7 0.0 0.0 26.9 0.0 0.0 184.0 0.0 0.0 181.2 0.0 0.0 182.4 0.0 0.0
13 28.0 0.0 0.0 27.0 0.0 0.0 26.4 0.0 0.0 183.8 0.0 0.0 181.7 0.0 0.0 184.5 0.0 0.0
14 27.4 0.0 0.0 27.4 0.0 0.0 27.9 0.0 0.0 184.5 0.0 0.0 181.7 0.0 0.0 182.9 0.0 0.0
15 27.6 0.0 0.0 27.4 0.0 0.0 26.4 0.0 0.0 184.6 0.0 0.0 183.3 0.0 0.0 184.0 0.0 0.0
16 27.2 0.0 0.0 26.8 0.0 0.0 26.5 0.0 0.0 184.4 0.0 0.0 181.6 0.0 0.0 178.9 0.0 0.0
17 27.1 0.0 0.0 26.7 0.0 0.0 39.4 0.0 0.0 184.3 0.0 0.0 201.3 0.0 0.0 202.5 0.0 0.0
18 27.6 0.0 0.0 26.7 0.0 0.0 40.0 0.0 0.0 184.8 0.0 0.0 202.2 0.0 0.0 199.7 0.0 0.0
19 39.8 0.0 0.0 39.7 0.0 0.0 40.0 0.0 0.0 182.6 0.0 0.0 201.7 0.0 0.0 199.6 0.0 0.0
20 40.3 0.0 0.0 40.5 0.0 0.0 40.2 0.0 0.0 182.9 0.0 0.0 202.3 0.0 0.0 200.0 0.0 0.0
21 40.2 0.0 0.0 40.0 0.0 0.0 40.2 0.0 0.0 184.6 0.0 0.0 202.6 0.0 0.0 201.3 0.0 0.0
22 39.9 0.0 0.0 40.4 0.0 0.0 40.2 0.0 0.0 184.7 0.0 0.0 201.7 0.0 0.0 199.8 0.0 0.0
23 28.7 0.0 0.0 39.7 0.0 0.0 39.2 0.0 0.0 183.8 0.0 0.0 177.7 0.0 0.0 173.3 0.0 0.0
24 28.4 0.0 0.0 28.8 0.0 0.0 26.7 0.0 0.0 184.3 0.0 0.0 173.9 0.0 0.0 172.3 0.0 0.0
24-hour average 29.60.00.0 30.40.00.0 30.80.00.0 184.10.00.0 185.40.00.0 184.60.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/25/2025 01 28.4 0.0 0.0 27.7 0.0 0.0 26.5 0.0 0.0 184.6 0.0 0.0 175.3 0.0 0.0 173.2 0.0 0.0
02 28.3 0.0 0.0 27.4 0.0 0.0 26.5 0.0 0.0 184.6 0.0 0.0 173.6 0.0 0.0 172.5 0.0 0.0
03 28.5 0.0 0.0 27.8 0.0 0.0 26.6 0.0 0.0 181.1 0.0 0.0 175.4 0.0 0.0 173.2 0.0 0.0
04 28.8 0.0 0.0 27.7 0.0 0.0 26.4 0.0 0.0 184.3 0.0 0.0 177.2 0.0 0.0 171.8 0.0 0.0
05 28.9 0.0 0.0 27.6 0.0 0.0 26.6 0.0 0.0 186.0 0.0 0.0 173.6 0.0 0.0 171.1 0.0 0.0
06 29.3 0.0 0.0 28.8 0.0 0.0 39.0 0.0 0.0 185.9 0.0 0.0 173.6 0.0 0.0 171.2 0.0 0.0
07 40.0 0.0 0.0 46.3 0.0 0.0 39.7 0.0 0.0 185.4 0.0 0.0 174.4 0.0 0.0 172.4 0.0 0.0
08 39.9 0.0 0.0 46.8 0.0 0.0 39.7 0.0 0.0 185.5 0.0 0.0 177.5 0.0 0.0 174.9 0.0 0.0
09 39.9 0.0 0.0 46.5 0.0 0.0 39.6 0.0 0.0 185.4 0.0 0.0 197.9 0.0 0.0 189.5 0.0 0.0
10 40.0 0.0 0.0 46.4 0.0 0.0 39.6 0.0 0.0 185.4 0.0 0.0 197.8 0.0 0.0 189.9 0.0 0.0
11 40.0 0.0 0.0 46.2 0.0 0.0 39.5 0.0 0.0 185.4 0.0 0.0 199.6 0.0 0.0 190.5 0.0 0.0
12 35.4 0.0 0.0 37.2 0.0 0.0 39.4 0.0 0.0 185.2 0.0 0.0 198.9 0.0 0.0 179.4 0.0 0.0
13 34.5 0.0 0.0 36.2 0.0 0.0 39.4 0.0 0.0 185.0 0.0 0.0 198.4 0.0 0.0 177.4 0.0 0.0
14 35.3 0.0 0.0 36.6 0.0 0.0 39.6 0.0 0.0 185.3 0.0 0.0 196.4 0.0 0.0 175.8 0.0 0.0
15 35.4 0.0 0.0 36.8 0.0 0.0 39.8 0.0 0.0 185.2 0.0 0.0 200.2 0.0 0.0 202.7 0.0 0.0
16 35.9 0.0 0.0 36.7 0.0 0.0 50.9 0.0 0.0 184.9 0.0 0.0 199.4 0.0 0.0 201.8 0.0 0.0
17 44.9 0.0 0.0 47.0 0.0 0.0 50.9 0.0 0.0 184.2 0.0 0.0 199.1 0.0 0.0 202.6 0.0 0.0
18 44.6 0.0 0.0 46.0 0.0 0.0 50.5 0.0 0.0 183.9 0.0 0.0 200.1 0.0 0.0 198.9 0.0 0.0
19 44.5 0.0 0.0 45.6 0.0 0.0 49.8 0.0 0.0 183.4 0.0 0.0 200.0 0.0 0.0 200.3 0.0 0.0
20 44.8 0.0 0.0 46.0 0.0 0.0 38.9 0.0 0.0 184.6 0.0 0.0 202.9 0.0 0.0 203.3 0.0 0.0
21 44.4 0.0 0.0 46.0 0.0 0.0 37.3 0.0 0.0 184.1 0.0 0.0 201.7 0.0 0.0 206.0 0.0 0.0
22 36.2 0.0 0.0 37.2 0.0 0.0 26.3 0.0 0.0 184.4 0.0 0.0 202.9 0.0 0.0 191.5 0.0 0.0
23 28.5 0.0 0.0 36.6 0.0 0.0 26.0 0.0 0.0 184.3 0.0 0.0 200.6 0.0 0.0 190.1 0.0 0.0
24 28.1 0.0 0.0 27.8 0.0 0.0 26.1 0.0 0.0 185.0 0.0 0.0 181.6 0.0 0.0 179.4 0.0 0.0
24-hour average 36.00.00.0 38.10.00.0 36.90.00.0 184.70.00.0 190.80.00.0 185.80.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/26/2025 01 28.1 0.0 0.0 27.1 0.0 0.0 26.0 0.0 0.0 185.7 0.0 0.0 180.1 0.0 0.0 177.5 0.0 0.0
02 28.1 0.0 0.0 27.4 0.0 0.0 27.5 0.0 0.0 186.0 0.0 0.0 180.5 0.0 0.0 177.3 0.0 0.0
03 28.1 0.0 0.0 27.3 0.0 0.0 26.0 0.0 0.0 186.1 0.0 0.0 180.9 0.0 0.0 177.8 0.0 0.0
04 27.4 0.0 0.0 27.4 0.0 0.0 26.0 0.0 0.0 186.5 0.0 0.0 180.3 0.0 0.0 182.5 0.0 0.0
05 28.1 0.0 0.0 28.3 0.0 0.0 26.1 0.0 0.0 186.6 0.0 0.0 179.3 0.0 0.0 178.5 0.0 0.0
06 46.7 0.0 0.0 47.5 0.0 0.0 26.7 0.0 0.0 186.4 0.0 0.0 180.6 0.0 0.0 177.5 0.0 0.0
07 47.2 0.0 0.0 48.1 0.0 0.0 38.7 0.0 0.0 186.1 0.0 0.0 197.7 0.0 0.0 193.1 0.0 0.0
08 47.3 0.0 0.0 48.3 0.0 0.0 51.7 0.0 0.0 187.0 0.0 0.0 199.8 0.0 0.0 200.5 0.0 0.0
09 47.1 0.0 0.0 48.0 0.0 0.0 52.1 0.0 0.0 186.0 0.0 0.0 199.6 0.0 0.0 199.4 0.0 0.0
10 47.0 0.0 0.0 48.1 0.0 0.0 52.1 0.0 0.0 185.3 0.0 0.0 201.2 0.0 0.0 203.5 0.0 0.0
11 47.4 0.0 0.0 48.3 0.0 0.0 52.2 0.0 0.0 185.3 0.0 0.0 201.1 0.0 0.0 202.4 0.0 0.0
12 47.3 0.0 0.0 48.2 0.0 0.0 41.0 0.0 0.0 185.4 0.0 0.0 202.7 0.0 0.0 203.7 0.0 0.0
13 47.2 0.0 0.0 47.7 0.0 0.0 39.1 0.0 0.0 185.8 0.0 0.0 200.2 0.0 0.0 202.1 0.0 0.0
14 47.2 0.0 0.0 48.2 0.0 0.0 39.2 0.0 0.0 185.4 0.0 0.0 200.2 0.0 0.0 202.8 0.0 0.0
15 47.4 0.0 0.0 48.0 0.0 0.0 39.6 0.0 0.0 185.6 0.0 0.0 201.5 0.0 0.0 202.7 0.0 0.0
16 47.3 0.0 0.0 48.5 0.0 0.0 51.5 0.0 0.0 186.3 0.0 0.0 200.8 0.0 0.0 204.6 0.0 0.0
17 47.0 0.0 0.0 48.2 0.0 0.0 51.5 0.0 0.0 185.9 0.0 0.0 200.4 0.0 0.0 203.5 0.0 0.0
18 47.2 0.0 0.0 48.1 0.0 0.0 51.8 0.0 0.0 185.5 0.0 0.0 200.0 0.0 0.0 203.8 0.0 0.0
19 47.2 0.0 0.0 50.0 0.0 0.0 51.9 0.0 0.0 186.0 0.0 0.0 201.0 0.0 0.0 205.2 0.0 0.0
20 47.4 0.0 0.0 48.5 0.0 0.0 52.1 0.0 0.0 186.6 0.0 0.0 202.1 0.0 0.0 198.1 0.0 0.0
21 47.1 0.0 0.0 48.0 0.0 0.0 51.8 0.0 0.0 186.7 0.0 0.0 200.9 0.0 0.0 197.9 0.0 0.0
22 48.7 0.0 0.0 48.3 0.0 0.0 51.9 0.0 0.0 187.8 0.0 0.0 176.1 0.0 0.0 199.0 0.0 0.0
23 46.8 0.0 0.0 48.4 0.0 0.0 52.1 0.0 0.0 186.5 0.0 0.0 175.9 0.0 0.0 169.2 0.0 0.0
24 28.4 0.0 0.0 26.4 0.0 0.0 51.3 0.0 0.0 186.1 0.0 0.0 175.9 0.0 0.0 170.4 0.0 0.0
24-hour average 42.40.00.0 43.00.00.0 42.90.00.0 186.10.00.0 192.40.00.0 193.00.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/27/2025 01 27.3 0.0 0.0 24.7 0.0 0.0 38.0 0.0 0.0 186.3 0.0 0.0 174.8 0.0 0.0 169.2 0.0 0.0
02 27.3 0.0 0.0 24.6 0.0 0.0 26.4 0.0 0.0 186.2 0.0 0.0 175.1 0.0 0.0 169.9 0.0 0.0
03 27.4 0.0 0.0 27.0 0.0 0.0 26.2 0.0 0.0 186.3 0.0 0.0 175.3 0.0 0.0 168.8 0.0 0.0
04 27.2 0.0 0.0 26.8 0.0 0.0 26.1 0.0 0.0 186.6 0.0 0.0 174.5 0.0 0.0 167.4 0.0 0.0
05 28.2 0.0 0.0 27.9 0.0 0.0 26.1 0.0 0.0 186.2 0.0 0.0 176.2 0.0 0.0 166.8 0.0 0.0
06 46.7 0.0 0.0 48.1 0.0 0.0 26.3 0.0 0.0 186.3 0.0 0.0 177.7 0.0 0.0 170.2 0.0 0.0
07 54.8 0.0 0.0 56.0 0.0 0.0 38.5 0.0 0.0 185.7 0.0 0.0 199.6 0.0 0.0 193.5 0.0 0.0
08 55.2 0.0 0.0 55.5 0.0 0.0 51.6 0.0 0.0 186.1 0.0 0.0 200.0 0.0 0.0 197.2 0.0 0.0
09 55.9 0.0 0.0 55.1 0.0 0.0 54.0 0.0 0.0 185.8 0.0 0.0 201.0 0.0 0.0 200.5 0.0 0.0
10 55.8 0.0 0.0 54.3 0.0 0.0 55.0 0.0 0.0 185.9 0.0 0.0 203.1 0.0 0.0 202.1 0.0 0.0
11 55.6 0.0 0.0 53.7 0.0 0.0 54.9 0.0 0.0 185.5 0.0 0.0 194.7 0.0 0.0 201.0 0.0 0.0
12 55.0 0.0 0.0 53.4 0.0 0.0 55.0 0.0 0.0 185.8 0.0 0.0 194.1 0.0 0.0 199.9 0.0 0.0
13 55.9 0.0 0.0 54.2 0.0 0.0 55.0 0.0 0.0 185.6 0.0 0.0 186.9 0.0 0.0 177.4 0.0 0.0
14 54.8 0.0 0.0 53.2 0.0 0.0 54.9 0.0 0.0 185.5 0.0 0.0 185.0 0.0 0.0 174.7 0.0 0.0
15 55.0 0.0 0.0 53.7 0.0 0.0 55.0 0.0 0.0 186.3 0.0 0.0 185.2 0.0 0.0 173.4 0.0 0.0
16 56.7 0.0 0.0 55.0 0.0 0.0 55.0 0.0 0.0 185.7 0.0 0.0 188.2 0.0 0.0 174.6 0.0 0.0
17 58.3 0.0 0.0 58.4 0.0 0.0 55.0 0.0 0.0 186.1 0.0 0.0 211.0 0.0 0.0 211.4 0.0 0.0
18 57.8 0.0 0.0 57.6 0.0 0.0 55.0 0.0 0.0 186.6 0.0 0.0 210.1 0.0 0.0 214.9 0.0 0.0
19 59.9 0.0 0.0 58.4 0.0 0.0 55.1 0.0 0.0 186.9 0.0 0.0 211.9 0.0 0.0 214.8 0.0 0.0
20 58.3 0.0 0.0 58.2 0.0 0.0 55.0 0.0 0.0 186.7 0.0 0.0 210.3 0.0 0.0 214.3 0.0 0.0
21 58.0 0.0 0.0 57.9 0.0 0.0 55.0 0.0 0.0 186.7 0.0 0.0 209.8 0.0 0.0 213.4 0.0 0.0
22 58.0 0.0 0.0 58.9 0.0 0.0 55.0 0.0 0.0 186.2 0.0 0.0 189.0 0.0 0.0 197.6 0.0 0.0
23 55.9 0.0 0.0 54.7 0.0 0.0 55.0 0.0 0.0 186.7 0.0 0.0 187.9 0.0 0.0 195.8 0.0 0.0
24 53.3 0.0 0.0 56.6 0.0 0.0 54.9 0.0 0.0 186.4 0.0 0.0 189.7 0.0 0.0 166.5 0.0 0.0
24-hour average 49.90.00.0 49.30.00.0 47.40.00.0 186.20.00.0 192.10.00.0 189.00.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/28/2025 01 52.6 0.0 0.0 54.0 0.0 0.0 54.9 0.0 0.0 186.8 0.0 0.0 188.6 0.0 0.0 166.1 0.0 0.0
02 52.7 0.0 0.0 54.0 0.0 0.0 55.0 0.0 0.0 186.7 0.0 0.0 200.1 0.0 0.0 201.2 0.0 0.0
03 52.8 0.0 0.0 54.5 0.0 0.0 55.0 0.0 0.0 186.8 0.0 0.0 200.8 0.0 0.0 203.2 0.0 0.0
04 52.8 0.0 0.0 54.7 0.0 0.0 55.0 0.0 0.0 186.8 0.0 0.0 201.5 0.0 0.0 205.0 0.0 0.0
05 53.3 0.0 0.0 54.5 0.0 0.0 56.6 0.0 0.0 186.4 0.0 0.0 213.3 0.0 0.0 205.1 0.0 0.0
06 53.8 0.0 0.0 54.8 0.0 0.0 55.0 0.0 0.0 186.3 0.0 0.0 210.9 0.0 0.0 218.5 0.0 0.0
07 54.6 0.0 0.0 56.6 0.0 0.0 55.1 0.0 0.0 185.7 0.0 0.0 210.5 0.0 0.0 209.5 0.0 0.0
08 54.4 0.0 0.0 55.4 0.0 0.0 54.7 0.0 0.0 184.9 0.0 0.0 208.1 0.0 0.0 201.2 0.0 0.0
09 54.4 0.0 0.0 55.8 0.0 0.0 54.6 0.0 0.0 184.8 0.0 0.0 208.5 0.0 0.0 201.8 0.0 0.0
10 53.0 0.0 0.0 54.4 0.0 0.0 56.3 0.0 0.0 185.4 0.0 0.0 211.5 0.0 0.0 192.6 0.0 0.0
11 52.8 0.0 0.0 53.9 0.0 0.0 54.8 0.0 0.0 184.8 0.0 0.0 198.9 0.0 0.0 188.2 0.0 0.0
12 52.8 0.0 0.0 53.4 0.0 0.0 54.8 0.0 0.0 185.2 0.3 0.2 202.3 0.0 0.0 186.4 0.0 0.0
13 52.0 0.0 0.0 53.2 0.0 0.0 54.7 0.0 0.0 206.2 21.1 10.2 201.9 0.0 0.0 185.4 0.0 0.0
14 52.0 0.0 0.0 55.0 0.0 0.0 54.8 0.0 0.0 207.0 21.3 10.3 202.0 0.0 0.0 184.4 0.0 0.0
15 51.9 0.0 0.0 53.3 0.0 0.0 55.0 0.0 0.0 206.9 21.4 10.3 204.0 0.0 0.0 182.5 0.0 0.0
16 52.5 0.0 0.0 54.2 0.0 0.0 55.1 0.0 0.0 207.0 21.3 10.3 203.5 0.0 0.0 184.3 0.0 0.0
17 56.0 0.0 0.0 56.1 0.0 0.0 55.0 0.0 0.0 207.3 21.3 10.3 211.0 0.0 0.0 208.9 0.0 0.0
18 57.1 0.0 0.0 56.1 0.0 0.0 55.0 0.0 0.0 207.4 21.4 10.3 211.6 0.0 0.0 212.7 0.0 0.0
19 56.1 0.0 0.0 57.7 0.0 0.0 55.2 0.0 0.0 215.4 29.4 13.6 212.7 0.0 0.0 214.2 0.0 0.0
20 56.8 0.0 0.0 57.6 0.0 0.0 55.1 0.0 0.0 217.0 30.6 14.1 210.9 0.0 0.0 213.1 0.0 0.0
21 55.9 0.0 0.0 56.8 0.0 0.0 55.0 0.0 0.0 217.4 30.5 14.0 209.4 0.0 0.0 212.1 0.0 0.0
22 56.4 0.0 0.0 57.4 0.0 0.0 55.1 0.0 0.0 217.4 30.3 13.9 201.4 0.0 0.0 207.4 0.0 0.0
23 48.2 0.0 0.0 56.6 0.0 0.0 54.8 0.0 0.0 216.0 29.3 13.6 197.9 0.0 0.0 201.2 0.0 0.0
24 48.9 0.0 0.0 57.3 0.0 0.0 54.9 0.0 0.0 198.2 11.6 5.9 201.3 0.0 0.0 200.7 0.0 0.0
24-hour average 53.50.00.0 55.30.00.0 55.10.00.0 198.112.15.7 205.10.00.0 199.40.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/29/2025 01 49.0 0.0 0.0 57.6 0.0 0.0 55.0 0.0 0.0 196.9 10.3 5.2 203.2 0.0 0.0 198.7 0.0 0.0
02 48.8 0.0 0.0 53.0 0.0 0.0 55.0 0.0 0.0 197.7 10.3 5.2 200.8 0.0 0.0 199.6 0.0 0.0
03 49.5 0.0 0.0 52.3 0.0 0.0 55.0 0.0 0.0 197.6 10.3 5.2 200.8 0.0 0.0 198.2 0.0 0.0
04 49.5 0.0 0.0 51.9 0.0 0.0 55.0 0.0 0.0 197.4 10.3 5.2 201.0 0.0 0.0 199.0 0.0 0.0
05 49.8 0.0 0.0 52.1 0.0 0.0 55.0 0.0 0.0 197.1 10.2 5.2 201.4 0.0 0.0 201.0 0.0 0.0
06 50.0 0.0 0.0 52.6 0.0 0.0 55.1 0.0 0.0 196.8 10.3 5.2 202.3 0.0 0.0 202.3 0.0 0.0
07 50.7 0.0 0.0 53.1 0.0 0.0 55.0 0.0 0.0 196.6 10.3 5.2 211.8 0.0 0.0 211.6 0.0 0.0
08 50.0 0.0 0.0 52.5 0.0 0.0 56.2 0.0 0.0 197.0 10.3 5.2 211.8 0.0 0.0 210.2 0.0 0.0
09 49.5 0.0 0.0 52.2 0.0 0.0 54.9 0.0 0.0 197.0 10.3 5.2 211.8 0.0 0.0 210.4 0.0 0.0
10 49.6 0.0 0.0 52.5 0.0 0.0 55.0 0.0 0.0 197.0 10.3 5.2 211.9 0.0 0.0 211.7 0.0 0.0
11 49.4 0.0 0.0 51.5 0.0 0.0 56.2 0.0 0.0 197.3 10.3 5.2 212.1 0.0 0.0 188.4 0.0 0.0
12 43.2 0.0 0.0 43.3 0.0 0.0 40.4 0.0 0.0 197.4 10.3 5.2 211.9 0.0 0.0 186.2 0.0 0.0
13 42.1 0.0 0.0 42.8 0.0 0.0 39.3 0.0 0.0 195.8 10.3 5.3 212.2 0.0 0.0 184.4 0.0 0.0
14 41.9 0.0 0.0 43.1 0.0 0.0 39.4 0.0 0.0 164.7 10.4 6.3 212.8 0.0 0.0 184.0 0.0 0.0
15 42.6 0.0 0.0 43.7 0.0 0.0 39.4 0.0 0.0 176.7 7.1 4.0 213.9 0.0 0.0 187.0 0.0 0.0
16 44.4 0.0 0.0 45.3 0.0 0.0 39.5 0.0 0.0 185.9 0.0 0.0 215.8 0.0 0.0 186.3 0.0 0.0
17 43.1 0.0 0.0 43.9 0.0 0.0 39.5 0.0 0.0 186.0 0.0 0.0 214.0 0.0 0.0 211.8 0.0 0.0
18 49.5 0.0 0.0 50.2 0.0 0.0 39.5 0.0 0.0 186.4 0.0 0.0 216.3 0.0 0.0 215.3 0.0 0.0
19 49.6 0.0 0.0 50.2 0.0 0.0 39.4 0.0 0.0 186.7 0.0 0.0 214.1 0.0 0.0 214.8 0.0 0.0
20 49.7 0.0 0.0 50.1 0.0 0.0 40.9 0.0 0.0 186.4 0.0 0.0 214.0 0.0 0.0 215.4 0.0 0.0
21 49.3 0.0 0.0 50.0 0.0 0.0 39.2 0.0 0.0 186.3 0.0 0.0 213.6 0.0 0.0 215.5 0.0 0.0
22 42.6 0.0 0.0 50.0 0.0 0.0 39.1 0.0 0.0 186.5 0.0 0.0 212.6 0.0 0.0 211.4 0.0 0.0
23 36.4 0.0 0.0 49.5 0.0 0.0 39.1 0.0 0.0 186.9 0.0 0.0 191.4 0.0 0.0 203.1 0.0 0.0
24 34.8 0.0 0.0 33.7 0.0 0.0 39.1 0.0 0.0 187.1 0.0 0.0 173.4 0.0 0.0 175.5 0.0 0.0
24-hour average 46.50.00.0 49.00.00.0 46.70.00.0 190.96.33.3 207.70.00.0 200.90.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/30/2025 01 31.2 0.0 0.0 33.2 0.0 0.0 39.1 0.0 0.0 187.1 0.0 0.0 153.5 0.0 0.0 160.0 0.0 0.0
02 31.2 0.0 0.0 33.3 0.0 0.0 39.2 0.0 0.0 187.3 0.0 0.0 152.2 0.0 0.0 162.0 0.0 0.0
03 31.2 0.0 0.0 33.2 0.0 0.0 39.1 0.0 0.0 187.5 0.0 0.0 151.8 0.0 0.0 161.4 0.0 0.0
04 31.3 0.0 0.0 33.2 0.0 0.0 39.1 0.0 0.0 188.2 0.0 0.0 152.4 0.0 0.0 161.5 0.0 0.0
05 32.2 0.0 0.0 33.8 0.0 0.0 39.3 0.0 0.0 188.3 0.0 0.0 170.4 0.0 0.0 166.4 0.0 0.0
06 48.3 0.0 0.0 50.1 0.0 0.0 51.3 0.0 0.0 188.3 0.0 0.0 192.3 0.0 0.0 193.7 0.0 0.0
07 48.9 0.0 0.0 50.4 0.0 0.0 54.3 0.0 0.0 187.9 0.0 0.0 195.0 0.0 0.0 193.7 0.0 0.0
08 48.6 0.0 0.0 50.3 0.0 0.0 54.2 0.0 0.0 188.4 0.0 0.0 212.0 0.0 0.0 192.5 0.0 0.0
09 49.3 0.0 0.0 50.3 0.0 0.0 54.2 0.0 0.0 188.1 0.0 0.0 213.4 0.0 0.0 193.5 0.0 0.0
10 49.3 0.0 0.0 50.4 0.0 0.0 54.3 0.0 0.0 188.0 0.0 0.0 213.3 0.0 0.0 193.1 0.0 0.0
11 49.0 0.0 0.0 50.2 0.0 0.0 54.0 0.0 0.0 187.6 0.0 0.0 202.8 0.0 0.0 193.0 0.0 0.0
12 49.0 0.0 0.0 49.7 0.0 0.0 53.9 0.0 0.0 187.5 0.0 0.0 193.4 0.0 0.0 192.4 0.0 0.0
13 40.3 0.0 0.0 39.0 0.0 0.0 40.6 0.0 0.0 187.3 0.0 0.0 191.9 0.0 0.0 190.8 0.0 0.0
14 39.7 0.0 0.0 40.8 0.0 0.0 40.4 0.0 0.0 187.7 0.0 0.0 192.7 0.0 0.0 192.0 0.0 0.0
15 40.0 0.0 0.0 40.2 0.0 0.0 40.4 0.0 0.0 187.7 0.0 0.0 193.1 0.0 0.0 192.3 0.0 0.0
16 40.5 0.0 0.0 40.4 0.0 0.0 40.3 0.0 0.0 187.6 0.0 0.0 194.1 0.0 0.0 193.4 0.0 0.0
17 49.1 0.0 0.0 50.1 0.0 0.0 40.5 0.0 0.0 187.9 0.0 0.0 213.0 0.0 0.0 192.9 0.0 0.0
18 49.1 0.0 0.0 50.1 0.0 0.0 53.5 0.0 0.0 188.1 0.0 0.0 214.0 0.0 0.0 193.1 0.0 0.0
19 49.5 0.0 0.0 50.5 0.0 0.0 54.3 0.0 0.0 187.9 0.0 0.0 216.2 0.0 0.0 194.0 0.0 0.0
20 49.0 0.0 0.0 50.5 0.0 0.0 54.0 0.0 0.0 187.1 0.0 0.0 214.4 0.0 0.0 194.5 0.0 0.0
21 29.3 0.0 0.0 34.3 0.0 0.0 41.8 0.0 0.0 187.2 0.0 0.0 215.9 0.0 0.0 195.1 0.0 0.0
22 29.1 0.0 0.0 27.6 0.0 0.0 28.4 0.0 0.0 187.2 0.0 0.0 191.1 0.0 0.0 191.1 0.0 0.0
23 27.5 0.0 0.0 27.2 0.0 0.0 26.3 0.0 0.0 186.7 0.0 0.0 175.7 0.0 0.0 193.1 0.0 0.0
24 28.9 0.0 0.0 27.0 0.0 0.0 26.4 0.0 0.0 186.8 0.0 0.0 172.1 0.0 0.0 179.7 0.0 0.0
24-hour average 40.50.00.0 41.50.00.0 44.10.00.0 187.60.00.0 191.10.00.0 186.10.00.0
 
Date / Time
 
Little Goose Lower Monumental Ice Harbor McNary John Day The Dalles
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
Total
(KCFS)
Spill
(KCFS)
% Spill
 
12/31/2025 01 27.5 0.0 0.0 27.0 0.0 0.0 26.4 0.0 0.0 187.0 0.0 0.0 154.1 0.0 0.0 159.5 0.0 0.0
02 27.6 0.0 0.0 27.1 0.0 0.0 26.5 0.0 0.0 187.8 0.0 0.0 153.8 0.0 0.0 158.4 0.0 0.0
03 27.7 0.0 0.0 28.7 0.0 0.0 26.5 0.0 0.0 188.0 0.0 0.0 153.4 0.0 0.0 158.7 0.0 0.0
04 29.1 0.0 0.0 27.4 0.0 0.0 26.5 0.0 0.0 188.4 0.0 0.0 154.4 0.0 0.0 158.1 0.0 0.0
05 29.0 0.0 0.0 29.2 0.0 0.0 27.1 0.0 0.0 188.8 0.0 0.0 156.4 0.0 0.0 160.1 0.0 0.0
06 40.5 0.0 0.0 40.4 0.0 0.0 40.1 0.0 0.0 188.4 0.0 0.0 186.7 0.0 0.0 185.2 0.0 0.0
07 54.2 0.0 0.0 54.7 0.0 0.0 53.4 0.0 0.0 189.2 0.0 0.0 212.4 0.0 0.0 212.5 0.0 0.0
08 59.2 0.0 0.0 70.2 0.0 0.0 53.9 0.0 0.0 188.8 0.0 0.0 213.5 0.0 0.0 217.0 0.0 0.0
09 59.9 0.0 0.0 71.3 0.0 0.0 53.7 0.0 0.0 188.7 0.0 0.0 213.3 0.0 0.0 218.9 0.0 0.0
10 52.3 0.0 0.0 60.8 0.0 0.0 53.7 0.0 0.0 187.7 0.0 0.0 212.9 0.0 0.0 209.0 0.0 0.0
11 41.0 0.0 0.0 45.5 0.0 0.0 54.3 0.0 0.0 187.4 0.0 0.0 211.8 0.0 0.0 195.6 0.0 0.0
12 40.3 0.0 0.0 27.3 0.0 0.0 41.2 0.0 0.0 186.9 0.0 0.0 198.9 0.0 0.0 197.2 0.0 0.0
13 40.2 0.0 0.0 26.2 0.0 0.0 26.4 0.0 0.0 187.3 0.0 0.0 197.8 0.0 0.0 198.0 0.0 0.0
14 28.2 0.0 0.0 26.4 0.0 0.0 26.1 0.0 0.0 187.1 0.0 0.0 200.3 0.0 0.0 196.6 0.0 0.0
15 27.7 0.0 0.0 26.6 0.0 0.0 26.0 0.0 0.0 187.2 0.0 0.0 200.2 0.0 0.0 197.4 0.0 0.0
16 28.9 0.0 0.0 27.5 0.0 0.0 27.2 0.0 0.0 187.7 0.0 0.0 199.4 0.0 0.0 200.0 0.0 0.0
17 39.7 0.0 0.0 39.1 0.0 0.0 39.4 0.0 0.0 187.6 0.0 0.0 212.0 0.0 0.0 212.9 0.0 0.0
18 40.8 0.0 0.0 39.4 0.0 0.0 39.9 0.0 0.0 188.3 0.0 0.0 213.6 0.0 0.0 217.6 0.0 0.0
19 40.7 0.0 0.0 39.8 0.0 0.0 39.7 0.0 0.0 187.9 0.0 0.0 213.0 0.0 0.0 219.9 0.0 0.0
20 40.8 0.0 0.0 40.0 0.0 0.0 39.8 0.0 0.0 188.1 0.0 0.0 213.0 0.0 0.0 220.0 0.0 0.0
21 40.5 0.0 0.0 39.6 0.0 0.0 39.9 0.0 0.0 187.8 0.0 0.0 203.8 0.0 0.0 209.1 0.0 0.0
22 28.7 0.0 0.0 39.1 0.0 0.0 39.8 0.0 0.0 187.6 0.0 0.0 201.8 0.0 0.0 206.0 0.0 0.0
23 28.2 0.0 0.0 28.2 0.0 0.0 38.8 0.0 0.0 187.8 0.0 0.0 177.6 0.0 0.0 182.6 0.0 0.0
24 28.2 0.0 0.0 26.8 0.0 0.0 27.1 0.0 0.0 187.7 0.0 0.0 178.3 0.0 0.0 178.8 0.0 0.0
24-hour average 37.50.00.0 37.80.00.0 37.20.00.0 187.90.00.0 193.00.00.0 194.50.00.0
 

NOTICE: This report is based on raw, unverified data.
Nighttime1 average defined from 1900 - 0600 (JDA only, from April 10 - May 15)
Nighttime2 average defined from 2000 - 0600 (JDA only, from May 15 - June 30)
24-hour average defined from 0100 - 2400 (All projects)
Generated 2026-01-01 13:30:18