US Army Corps of Engineers

Priest Rapids Dam

Friday July 31, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 84.90 58.90 25.67 486.21 406.14 80.08
2 75.60 48.97 26.38 486.34 406.57 79.77
3 101.90 75.60 25.92 486.13 407.94 78.19
4 87.60 61.28 25.98 486.20 405.95 80.25
5 85.20 59.16 25.69 486.07 407.10 78.96
6 101.10 75.77 24.95 485.71 408.51 77.20
7 100.50 75.61 24.48 485.69 407.47 78.22
8 91.70 66.86 24.42 485.69 406.71 78.98
9 84.30 59.36 24.55 485.73 406.74 79.00
10 97.60 72.60 24.58 485.72 408.23 77.48
11 115.00 90.00 24.46 485.64 409.26 76.38
12 108.70 83.71 24.44 485.71 408.69 77.02
13 115.50 90.49 24.46 485.64 409.45 76.19
14 126.30 101.63 24.07 485.40 410.42 74.98
15 144.30 120.42 23.27 485.09 411.44 73.65
16 139.90 116.38 22.83 485.08 410.97 74.11
17 123.70 100.10 22.97 485.15 410.18 74.97
18 119.20 95.44 23.19 485.21 410.35 74.86
19 131.50 107.62 23.31 485.27 410.73 74.54
20 140.50 116.44 23.48 485.36 411.16 74.20
21 138.60 114.17 23.85 485.52 411.10 74.41
22 126.80 102.00 24.21 485.56 410.30 75.25
23 140.10 115.89 23.61 485.28 410.52 74.75
24 118.00 93.74 23.72 485.49 409.69 75.80
AVG 112.44 87.59 24.35 485.62 408.98 76.64
MAX 144.30 120.42 26.38 486.34 411.44 80.25
MIN 75.60 48.97 22.83 485.08 405.95 73.65