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USGS Daily Statistics for Washington

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The statistics generated from this site are based on approved daily-mean data and may not match those published by the USGS in official publications. The user is responsible for assessment and use of statistics from this site. For more details on why the statistics may not match, click here.

USGS 12472800 COLUMBIA RIVER BELOW PRIEST RAPIDS DAM, WA


Grant County, Washington
Hydrologic Unit Code 17020016
Latitude  46°37'44", Longitude 119°51'49" NAD27
Drainage area 96,000  square miles
Gage datum 393.38 feet above NAVD88
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00060, Discharge, cubic feet per second,
Day of
month		 Mean of daily mean values for each day for water year of record in, ft3/s   (Calculation Period 1959-10-01 -> 2025-09-30)

Calculation period restricted by USGS staff due to special conditions at/near site
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
1 88,700 107,000 108,000 107,000 136,000 193,000 181,000 124,000 88,900 76,300 82,000 99,500
2 98,600 109,000 108,000 105,000 139,000 192,000 176,000 117,000 82,300 76,800 83,900 98,400
3 106,000 109,000 109,000 106,000 142,000 194,000 170,000 118,000 79,400 76,300 83,200 99,400
4 109,000 110,000 107,000 109,000 144,000 195,000 162,000 121,000 77,700 75,600 85,500 99,600
5 111,000 110,000 105,000 111,000 146,000 197,000 163,000 120,000 76,700 73,800 84,900 103,000
6 112,000 110,000 107,000 112,000 145,000 198,000 168,000 117,000 78,400 72,400 85,600 102,000
7 112,000 110,000 106,000 108,000 145,000 199,000 170,000 120,000 78,000 74,700 87,400 105,000
8 110,000 109,000 103,000 107,000 150,000 202,000 167,000 119,000 80,600 75,200 88,600 106,000
9 106,000 110,000 105,000 108,000 154,000 201,000 162,000 118,000 79,200 77,000 88,300 104,000
10 109,000 111,000 104,000 110,000 156,000 202,000 160,000 118,000 77,600 76,300 87,900 105,000
11 108,000 110,000 102,000 111,000 157,000 205,000 161,000 117,000 76,000 77,100 87,600 103,000
12 109,000 110,000 102,000 113,000 156,000 204,000 160,000 116,000 76,100 77,700 88,200 102,000
13 108,000 110,000 103,000 115,000 162,000 200,000 159,000 115,000 76,400 79,500 88,800 105,000
14 106,000 111,000 102,000 116,000 162,000 199,000 160,000 114,000 75,900 80,800 87,300 104,000
15 108,000 111,000 103,000 118,000 164,000 199,000 156,000 114,000 74,900 75,000 89,800 101,000
16 109,000 109,000 104,000 119,000 166,000 199,000 156,000 109,000 75,900 74,300 92,200 103,000
17 108,000 109,000 103,000 121,000 166,000 196,000 154,000 107,000 73,200 77,400 93,900 104,000
18 108,000 110,000 101,000 123,000 173,000 198,000 152,000 109,000 72,300 75,700 93,300 107,000
19 109,000 109,000 99,100 123,000 172,000 194,000 150,000 108,000 71,800 76,500 91,300 108,000
20 111,000 106,000 101,000 123,000 173,000 195,000 147,000 107,000 72,100 75,600 94,100 106,000
21 110,000 108,000 103,000 122,000 174,000 195,000 146,000 103,000 74,600 76,400 95,300 105,000
22 111,000 108,000 106,000 129,000 176,000 198,000 140,000 105,000 75,000 77,000 93,600 104,000
23 110,000 111,000 108,000 128,000 178,000 197,000 141,000 103,000 74,300 76,300 94,200 103,000
24 107,000 110,000 107,000 129,000 181,000 197,000 138,000 97,300 75,200 79,500 91,200 95,500
25 110,000 107,000 110,000 130,000 181,000 197,000 137,000 98,900 75,900 79,200 93,200 82,600
26 111,000 109,000 110,000 128,000 180,000 199,000 134,000 100,000 75,100 79,000 94,000 90,300
27 111,000 107,000 110,000 129,000 183,000 198,000 131,000 99,100 74,000 80,800 93,300 100,000
28 111,000 105,000 110,000 130,000 183,000 193,000 129,000 103,000 74,900 81,300 92,800 104,000
29 109,000 102,000 109,000 132,000 187,000 192,000 126,000 99,100 74,900 80,000 98,400 104,000
30 111,000   110,000 134,000 192,000 186,000 125,000 98,100 74,200 82,500 100,000 103,000
31 110,000   112,000   191,000   127,000 96,200   80,900   98,500