US Army Corps of Engineers

Priest Rapids Dam

Monday August 3, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 93.30 71.03 21.90 484.70 406.95 77.76
2 85.40 63.06 22.00 484.77 406.70 78.08
3 77.20 54.74 22.25 484.85 406.17 78.69
4 76.60 54.31 22.05 484.63 405.75 78.88
5 69.90 48.22 21.48 484.54 405.21 79.33
6 79.90 58.15 21.47 484.60 406.31 78.29
7 78.90 56.78 21.89 484.77 406.10 78.67
8 70.60 48.36 22.07 484.74 405.32 79.42
9 64.20 45.91 18.10 484.66 403.78 80.88
10 52.80 52.54 0.00 484.87 403.60 81.27
11 51.20 50.97 0.00 485.04 403.49 81.55
12 50.70 50.55 0.00 484.98 403.44 81.54
13 50.60 50.39 0.00 484.98 403.41 81.57
14 51.40 51.18 0.03 485.07 403.50 81.57
15 65.10 43.94 20.75 485.20 404.71 80.49
16 64.40 40.44 23.55 485.46 405.14 80.32
17 75.80 51.22 24.09 485.69 405.28 80.41
18 72.50 46.83 25.20 486.18 406.09 80.08
19 95.90 69.00 26.31 486.40 408.21 78.19
20 112.50 85.39 26.42 486.33 408.77 77.56
21 111.70 84.63 26.35 486.36 408.71 77.65
22 101.70 74.22 26.81 486.57 408.17 78.40
23 103.50 75.77 27.23 486.69 408.18 78.52
24 97.20 69.09 27.76 486.86 407.76 79.10
AVG 77.21 58.20 18.65 485.37 405.86 79.51
MAX 112.50 85.39 27.76 486.86 408.77 81.57
MIN 50.60 40.44 0.00 484.54 403.41 77.56