US Army Corps of Engineers

Priest Rapids Dam

Friday April 10, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 126.20 100.54 24.86 485.77 410.91 74.86
2 127.80 101.98 24.95 485.86 410.80 75.06
3 128.00 101.94 25.22 485.97 411.05 74.92
4 129.40 103.11 25.47 486.02 411.15 74.86
5 129.80 103.40 25.57 486.06 411.17 74.88
6 132.10 105.57 25.68 486.10 411.46 74.63
7 133.60 106.89 25.80 486.13 411.57 74.56
8 133.80 107.10 25.79 486.10 411.54 74.56
9 131.80 105.11 25.87 486.18 411.24 74.94
10 129.40 102.53 26.02 486.22 411.16 75.06
11 126.10 99.16 26.09 486.15 410.93 75.22
12 122.10 95.21 25.99 486.21 410.83 75.38
13 122.00 94.94 26.19 486.29 410.68 75.61
14 122.00 94.79 26.34 486.28 410.67 75.62
15 121.80 94.77 26.11 486.15 410.73 75.42
16 121.70 94.90 25.88 486.10 410.62 75.48
17 122.70 96.17 25.62 486.01 410.74 75.27
18 129.50 103.27 25.39 485.95 411.17 74.78
19 136.60 110.89 24.82 485.70 411.72 73.99
20 137.40 111.62 24.92 485.88 411.99 73.90
21 143.10 116.99 25.16 485.92 412.42 73.50
22 145.30 119.28 25.14 485.84 412.41 73.43
23 145.00 119.21 24.86 485.72 412.48 73.24
24 142.90 117.48 24.51 485.56 412.25 73.30
AVG 130.84 104.45 25.51 486.01 411.32 74.69
MAX 145.30 119.28 26.34 486.29 412.48 75.62
MIN 121.70 94.77 24.51 485.56 410.62 73.24