US Army Corps of Engineers

Priest Rapids Dam

Tuesday January 27, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 178.80 138.60 39.88 486.93 414.58 72.35
2 176.40 138.75 37.33 486.90 414.25 72.64
3 170.40 140.02 30.13 486.92 414.13 72.78
4 170.50 140.06 30.14 486.95 414.12 72.84
5 170.50 140.00 30.14 486.90 414.09 72.81
6 170.50 140.08 30.13 486.91 414.12 72.80
7 170.60 140.13 30.15 486.98 414.13 72.85
8 170.30 139.79 30.17 487.00 414.07 72.93
9 164.00 139.74 23.92 486.97 413.58 73.40
10 160.10 139.65 20.01 487.05 413.51 73.54
11 160.00 139.54 20.01 487.04 413.47 73.56
12 160.00 139.51 20.01 487.11 413.44 73.67
13 159.50 139.10 20.02 487.02 413.42 73.59
14 159.50 139.10 19.96 486.67 413.32 73.35
15 142.50 135.79 6.38 486.47 412.19 74.28
16 134.00 133.67 0.00 486.26 411.91 74.35
17 137.80 137.45 0.00 486.18 412.02 74.15
18 138.40 138.09 0.00 486.52 412.05 74.47
19 138.10 137.76 0.00 486.88 412.01 74.87
20 137.30 136.97 0.00 487.20 411.98 75.22
21 144.30 136.86 7.13 487.29 412.95 74.34
22 158.10 137.73 20.03 487.33 413.18 74.15
23 158.00 137.70 20.04 487.31 413.31 74.00
24 158.70 138.38 20.01 487.09 413.36 73.73
AVG 157.85 138.52 18.98 486.91 413.30 73.61
MAX 178.80 140.13 39.88 487.33 414.58 75.22
MIN 134.00 133.67 0.00 486.18 411.91 72.35