US Army Corps of Engineers

Priest Rapids Dam

Sunday May 31, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 159.60 132.59 26.06 486.20 413.04 73.16
2 152.50 125.27 26.27 486.33 412.49 73.84
3 144.90 117.40 26.62 486.43 412.07 74.37
4 148.30 120.63 26.77 486.44 412.43 74.01
5 145.40 117.58 26.89 486.52 412.02 74.50
6 134.60 106.52 27.20 486.67 410.32 76.35
7 118.40 89.69 28.00 486.89 409.94 76.96
8 101.20 71.95 28.54 487.07 407.69 79.38
9 90.40 60.59 29.15 487.29 407.62 79.68
10 96.10 53.17 42.25 487.28 408.15 79.13
11 121.30 71.52 49.01 487.12 409.36 77.76
12 123.10 73.45 48.82 487.07 410.03 77.04
13 137.90 88.59 48.45 486.96 410.85 76.12
14 137.80 88.52 48.43 487.01 410.89 76.12
15 138.80 89.33 48.52 487.04 411.05 75.98
16 134.90 85.16 48.83 487.22 410.46 76.76
17 136.80 86.66 49.24 487.29 410.87 76.42
18 148.30 112.18 35.24 487.17 412.79 74.37
19 165.20 135.32 28.88 487.07 413.39 73.68
20 167.10 137.48 28.67 487.07 413.29 73.78
21 161.40 131.60 28.80 487.08 412.96 74.12
22 155.90 126.13 28.86 487.13 412.67 74.46
23 156.60 126.56 29.11 487.23 412.90 74.32
24 153.70 123.40 29.38 487.32 412.62 74.70
AVG 138.76 102.97 34.92 486.95 411.25 75.71
MAX 167.10 137.48 49.24 487.32 413.39 79.68
MIN 90.40 53.17 26.06 486.20 407.62 73.16
BUILDING STRONG®