US Army Corps of Engineers

Priest Rapids Dam

Monday June 1, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 142.20 111.53 29.81 487.47 411.94 75.53
2 146.40 115.45 30.07 487.53 412.17 75.37
3 160.50 111.64 47.93 487.43 413.10 74.32
4 175.60 124.60 50.05 487.53 413.86 73.67
5 182.10 130.87 50.24 487.52 414.31 73.21
6 186.30 135.10 50.19 487.48 414.57 72.90
7 175.70 123.63 51.01 487.54 414.01 73.53
8 180.80 119.64 60.11 487.52 414.11 73.41
9 181.70 120.62 59.98 487.46 414.21 73.25
10 182.80 122.27 59.43 487.43 414.25 73.18
11 176.50 125.51 49.88 487.44 413.84 73.61
12 164.80 119.67 44.11 487.36 413.31 74.04
13 171.90 141.69 29.16 487.06 413.90 73.17
14 169.30 139.90 28.39 486.86 413.72 73.14
15 157.00 127.83 28.20 486.94 413.06 73.88
16 156.90 127.36 28.55 487.05 413.34 73.71
17 161.50 131.84 28.66 487.03 413.26 73.77
18 164.00 134.34 28.66 487.07 413.30 73.77
19 153.20 123.25 28.97 487.17 412.80 74.37
20 155.80 125.82 29.00 487.16 412.86 74.30
21 155.90 125.83 29.15 487.26 412.73 74.53
22 152.20 121.73 29.56 487.41 412.66 74.75
23 156.00 125.15 29.90 487.47 412.72 74.75
24 159.10 122.51 35.68 487.48 413.22 74.26
AVG 165.34 125.32 39.03 487.32 413.39 73.93
MAX 186.30 141.69 60.11 487.54 414.57 75.53
MIN 142.20 111.53 28.20 486.86 411.94 72.90