US Army Corps of Engineers

Priest Rapids Dam

Friday May 29, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 135.40 111.19 23.44 485.22 411.45 73.77
2 144.10 119.73 23.51 485.26 412.45 72.82
3 152.50 128.47 23.08 484.95 412.29 72.66
4 132.20 108.85 22.55 484.96 410.88 74.09
5 133.10 109.39 22.84 485.11 411.69 73.43
6 150.40 126.30 23.24 485.22 412.59 72.63
7 151.30 126.93 23.40 485.30 412.15 73.15
8 129.90 105.22 23.85 485.48 410.36 75.12
9 136.90 112.07 24.00 485.52 411.16 74.35
10 128.60 103.49 24.28 485.55 411.49 74.05
11 113.70 88.35 24.59 485.81 408.91 76.90
12 98.90 72.64 25.55 486.29 408.63 77.66
13 111.40 60.34 50.38 486.43 410.86 75.57
14 156.90 79.43 76.65 486.52 411.06 75.46
15 153.00 58.96 93.22 486.78 412.48 74.30
16 184.30 65.57117.75 486.76 413.05 73.71
17 170.40 72.49 96.95 486.83 412.20 74.63
18 150.20 81.08 68.21 486.86 411.88 74.99
19 168.90 99.86 68.07 486.80 412.89 73.90
20 193.70 130.66 61.96 486.52 414.63 71.89
21 155.80 125.56 29.24 486.67 412.82 73.84
22 155.60 127.58 27.12 486.46 412.65 73.81
23 135.70 107.79 27.01 486.49 411.50 74.99
24 128.70 101.03 26.85 486.46 410.67 75.79
AVG 144.65 100.96 42.82 486.01 411.70 74.31
MAX 193.70 130.66117.75 486.86 414.63 77.66
MIN 98.90 58.96 22.55 484.95 408.63 71.89