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USGS Daily Statistics for the Nation

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 71,600 71,500 62,500 62,500 98,900 201,000 193,000 128,000 82,500 69,300 70,500 71,200
2 72,800 70,900 62,600 61,500 101,000 203,000 190,000 126,000 80,700 69,900 70,400 72,400
3 72,500 70,900 62,300 61,500 103,000 205,000 188,000 125,000 79,900 70,200 70,300 73,400
4 73,100 69,900 62,200 62,200 105,000 207,000 184,000 124,000 79,700 70,100 70,100 74,800
5 75,000 69,100 61,300 62,600 109,000 208,000 182,000 123,000 79,400 69,500 70,500 75,200
6 75,600 69,200 60,300 63,200 111,000 210,000 180,000 121,000 80,400 69,200 70,300 76,300
7 75,900 68,900 59,800 63,600 114,000 212,000 178,000 120,000 81,400 68,800 68,800 76,700
8 75,800 69,400 59,600 63,700 117,000 213,000 177,000 119,000 81,300 68,300 68,500 76,500
9 76,400 68,500 59,300 64,600 121,000 214,000 175,000 117,000 80,900 67,700 68,700 77,200
10 77,300 67,500 59,800 65,600 124,000 214,000 172,000 115,000 79,900 67,600 68,600 77,500
11 77,400 67,900 61,100 67,200 127,000 213,000 168,000 113,000 79,000 67,100 68,400 77,500
12 76,700 68,500 61,000 67,800 129,000 212,000 167,000 111,000 77,600 67,300 68,600 77,900
13 76,100 68,900 60,000 69,000 133,000 211,000 164,000 109,000 77,100 67,300 68,900 78,800
14 75,600 68,800 60,600 70,800 136,000 211,000 162,000 107,000 76,300 66,900 68,600 78,900
15 75,400 68,700 60,700 72,400 140,000 210,000 160,000 106,000 75,100 66,800 68,700 78,200
16 74,700 68,800 61,200 74,200 145,000 210,000 159,000 104,000 73,700 67,000 67,800 77,700
17 74,300 68,600 61,300 75,300 149,000 210,000 157,000 104,000 73,200 67,400 67,700 77,700
18 74,100 68,300 61,300 76,400 153,000 210,000 156,000 103,000 72,900 66,900 68,200 77,400
19 73,400 68,000 60,800 76,900 157,000 210,000 155,000 102,000 72,900 68,100 68,600 76,500
20 72,600 67,400 61,000 78,500 161,000 209,000 153,000 99,600 73,400 68,500 69,500 76,400
21 72,700 66,200 61,400 79,800 164,000 207,000 150,000 97,200 73,100 68,800 69,000 75,700
22 73,500 65,700 62,600 81,900 168,000 206,000 146,000 96,600 72,000 68,700 68,600 74,900
23 72,800 65,300 63,200 83,700 172,000 205,000 144,000 95,900 71,400 68,600 67,500 74,100
24 72,800 64,700 63,800 85,800 177,000 205,000 142,000 94,400 71,300 68,600 68,100 72,500
25 73,000 64,300 64,500 87,500 181,000 204,000 140,000 93,200 70,800 69,600 68,400 70,400
26 73,100 63,300 65,300 88,800 185,000 203,000 137,000 92,900 70,900 69,700 69,500 70,600
27 72,700 63,100 65,700 90,600 188,000 201,000 135,000 93,200 71,300 69,900 70,000 70,900
28 73,100 62,800 65,800 92,600 191,000 198,000 134,000 92,000 71,200 70,000 70,300 71,400
29 72,700 62,900 65,400 94,800 194,000 196,000 133,000 90,800 70,500 69,800 70,600 72,200
30 72,200   64,800 96,400 197,000 195,000 131,000 89,200 69,900 69,800 70,000 72,700
31 72,100   63,700   199,000   131,000 86,500   70,800   72,500