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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 12399500 COLUMBIA RIVER AT INTERNATIONAL BOUNDARY


Stevens County, Washington
Hydrologic Unit Code 17020001
Latitude  49°00'03", Longitude 117°37'42" NAD27
Drainage area 59,700  square miles
Gage datum 1,202.84 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 1937-10-01 -> 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 71,700 71,500 62,200 62,500 98,600 201,000 193,000 128,000 82,500 69,300 70,500 71,200
2 72,800 70,700 62,300 61,600 101,000 202,000 190,000 126,000 80,700 69,900 70,400 72,400
3 72,600 70,600 62,000 61,600 103,000 204,000 188,000 125,000 79,900 70,200 70,300 73,400
4 73,200 69,600 61,900 62,300 105,000 206,000 184,000 124,000 79,700 70,100 70,100 74,800
5 75,000 68,800 61,000 62,600 108,000 207,000 182,000 123,000 79,400 69,500 70,500 75,200
6 75,600 68,900 60,100 63,200 110,000 209,000 180,000 121,000 80,400 69,200 70,300 76,300
7 75,900 68,600 59,600 63,500 114,000 211,000 178,000 120,000 81,400 68,800 68,800 76,700
8 75,800 69,100 59,400 63,700 116,000 212,000 177,000 119,000 81,300 68,300 68,500 76,500
9 76,400 68,200 59,100 64,600 120,000 213,000 175,000 117,000 80,900 67,700 68,700 77,200
10 77,300 67,300 59,600 65,700 123,000 214,000 172,000 115,000 79,900 67,600 68,600 77,500
11 77,400 67,700 60,900 67,200 127,000 213,000 168,000 113,000 79,000 67,100 68,400 77,500
12 76,700 68,300 60,900 67,800 129,000 212,000 167,000 111,000 77,600 67,300 68,600 77,900
13 76,100 68,700 59,800 69,000 132,000 211,000 164,000 109,000 77,100 67,300 68,900 78,800
14 75,700 68,600 60,500 70,800 136,000 211,000 162,000 107,000 76,300 66,900 68,600 78,900
15 75,500 68,600 60,600 72,300 140,000 210,000 160,000 106,000 75,100 66,800 68,700 78,200
16 74,700 68,700 61,000 74,100 144,000 210,000 159,000 104,000 73,700 67,000 67,800 77,700
17 74,300 68,500 61,200 75,300 148,000 210,000 157,000 104,000 73,200 67,400 67,700 77,700
18 74,100 68,200 61,200 76,400 152,000 210,000 156,000 103,000 72,900 66,900 68,200 77,400
19 73,500 68,000 60,700 76,800 156,000 210,000 155,000 102,000 72,900 68,100 68,600 76,800
20 72,700 67,400 60,900 78,400 160,000 209,000 153,000 99,600 73,400 68,500 69,500 76,600
21 72,900 66,200 61,300 79,600 164,000 207,000 150,000 97,200 73,100 68,800 69,000 75,900
22 73,700 65,800 62,500 81,700 168,000 206,000 146,000 96,600 72,000 68,700 68,600 75,000
23 73,100 65,400 63,100 83,500 172,000 205,000 144,000 95,900 71,400 68,600 67,500 74,100
24 73,000 64,800 63,700 85,500 176,000 205,000 142,000 94,400 71,300 68,600 68,100 72,600
25 73,200 64,400 64,400 87,300 180,000 204,000 140,000 93,200 70,800 69,600 68,400 70,600
26 73,400 63,200 65,300 88,500 184,000 203,000 137,000 92,900 70,900 69,700 69,500 70,700
27 73,000 63,000 65,700 90,200 187,000 201,000 135,000 93,200 71,300 69,900 70,000 71,000
28 73,400 62,600 65,900 92,400 190,000 198,000 134,000 92,000 71,200 70,000 70,300 71,600
29 72,900 62,900 65,500 94,500 193,000 196,000 133,000 90,800 70,500 69,800 70,600 72,400
30 72,500   64,800 96,100 196,000 195,000 131,000 89,200 69,900 69,800 70,000 73,000
31 72,300   63,700   199,000   131,000 86,500   70,800   72,700