US Army Corps of Engineers

Priest Rapids Dam

Tuesday May 19, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 158.10 130.79 26.37 486.20 413.06 73.14
2 149.10 122.16 26.02 486.23 412.43 73.80
3 148.00 120.73 26.34 486.33 412.42 73.90
4 151.60 124.22 26.49 486.32 412.51 73.81
5 159.40 132.19 26.24 486.20 413.25 72.95
6 159.80 132.78 26.09 486.19 413.07 73.13
7 159.80 132.93 25.92 486.12 413.14 72.98
8 155.80 129.03 25.78 486.13 412.85 73.28
9 157.10 130.47 25.65 486.03 412.91 73.12
10 154.80 128.30 25.49 486.02 412.68 73.34
11 149.00 122.45 25.60 486.07 412.67 73.41
12 156.00 129.48 25.53 486.04 413.02 73.02
13 153.60 126.96 25.67 486.16 412.54 73.62
14 150.40 123.34 26.08 486.24 412.52 73.72
15 150.60 123.33 26.30 486.23 412.83 73.40
16 159.20 132.28 25.91 486.12 412.65 73.46
17 147.40 120.54 25.91 486.12 412.25 73.87
18 146.20 119.79 25.48 485.88 412.42 73.46
19 150.40 124.76 24.77 485.73 412.43 73.30
20 144.80 118.82 25.04 485.95 412.38 73.56
21 155.70 129.38 25.41 485.99 413.21 72.78
22 147.80 121.04 25.88 486.19 412.60 73.59
23 158.60 131.81 25.85 486.11 413.11 73.00
24 150.80 123.75 26.14 486.27 412.64 73.63
AVG 153.08 126.31 25.83 486.12 412.73 73.39
MAX 159.80 132.93 26.49 486.33 413.25 73.90
MIN 144.80 118.82 24.77 485.73 412.25 72.78