US Army Corps of Engineers

Wanapum Dam

Tuesday May 20, 2025

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 117.10 97.23 17.82 567.24 490.49 76.75
2 132.20 112.38 17.77 567.02 491.10 75.92
3 137.50 117.78 17.67 566.99 491.40 75.59
4 131.30 111.55 17.71 566.99 491.40 75.59
5 135.20 115.62 17.60 566.69 491.88 74.80
6 150.70 131.22 17.43 566.59 492.32 74.27
7 132.00 112.53 17.45 566.73 491.16 75.56
8 95.20 75.65 17.59 566.82 489.94 76.88
9 106.70 87.16 17.59 566.92 490.22 76.69
10 93.00 73.20 17.79 567.26 489.28 77.98
11 84.20 64.27 17.89 567.22 489.12 78.11
12 85.70 65.71 18.02 567.64 489.28 78.36
13 98.90 78.87 17.98 567.17 489.64 77.53
14 96.50 76.72 17.75 566.86 489.43 77.43
15 80.40 60.73 17.72 567.18 488.51 78.66
16 49.80 29.94 17.87 567.17 487.25 79.92
17 82.20 62.46 17.70 566.82 488.58 78.24
18 102.50 82.88 17.64 566.96 489.97 76.99
19 116.60 96.96 17.67 566.79 490.78 76.01
20 133.70 114.31 17.43 566.49 491.32 75.17
21 132.30 112.92 17.39 566.54 491.13 75.41
22 115.80 96.42 17.43 566.66 490.12 76.54
23 122.10 102.70 17.38 566.60 490.37 76.23
24 121.50 101.99 17.47 566.84 490.62 76.22
AVG 110.55 90.88 17.66 566.92 490.22 76.70
MAX 150.70 131.22 18.02 567.64 492.32 79.92
MIN 49.80 29.94 17.38 566.49 487.25 74.27