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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 12200500 SKAGIT RIVER NEAR MOUNT VERNON, WA


Skagit County, Washington
Hydrologic Unit Code 17110007
Latitude  48°26'42", Longitude 122°20'03" NAD27
Drainage area 3,093  square miles
Gage datum 3.80 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 1940-10-01 -> 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 15,800 18,300 15,300 14,400 17,000 23,300 22,700 14,300 9,360 10,200 16,600 19,300
2 15,800 17,700 15,100 14,500 16,500 24,100 22,800 14,200 9,690 9,880 16,400 20,100
3 16,900 17,100 14,900 14,000 16,800 24,900 22,600 13,700 9,360 9,890 16,400 20,900
4 17,200 16,900 15,000 13,900 17,000 24,700 22,400 13,500 9,020 10,200 18,300 21,600
5 17,900 17,400 14,800 14,100 17,300 24,800 21,800 13,300 9,050 10,200 19,000 20,600
6 17,900 17,100 15,000 14,700 17,900 24,900 22,000 12,900 9,370 9,840 18,000 19,500
7 18,000 17,200 14,600 14,700 18,200 24,700 21,500 12,700 9,230 9,850 18,200 18,200
8 19,300 17,500 14,200 14,400 18,300 24,500 21,400 12,800 9,120 10,300 18,300 17,600
9 18,300 17,400 14,300 14,500 18,700 24,100 21,900 12,500 9,340 10,400 17,800 18,000
10 17,900 17,200 14,800 14,500 18,600 24,400 21,700 12,100 9,290 10,900 17,500 18,900
11 17,700 17,200 14,600 14,200 18,900 24,300 21,000 11,800 9,370 11,800 18,300 19,400
12 18,300 16,300 14,900 14,300 19,700 24,000 21,100 11,600 9,090 11,600 19,100 19,500
13 18,600 16,500 15,100 14,700 20,000 24,000 21,600 11,400 8,610 11,200 19,700 19,500
14 18,700 16,300 14,800 15,000 20,100 23,700 21,400 11,300 8,830 11,500 20,100 19,300
15 19,300 16,700 14,800 15,100 20,200 23,800 21,000 11,200 8,840 11,700 20,300 18,900
16 19,500 17,100 14,800 14,900 20,500 24,000 20,500 11,200 8,980 11,900 20,600 18,600
17 19,500 16,600 14,600 14,900 21,300 24,400 19,900 10,800 9,270 12,800 19,600 18,300
18 19,500 16,100 14,300 14,800 21,300 24,700 19,500 10,500 9,670 13,600 19,400 18,400
19 19,600 16,100 14,500 14,700 21,300 24,700 19,100 10,200 9,290 13,400 19,000 18,200
20 18,900 16,300 14,600 15,400 21,600 24,400 18,700 10,100 9,470 14,200 19,600 18,000
21 18,200 16,100 14,400 15,500 21,700 24,500 18,200 10,100 9,640 14,400 19,500 18,200
22 17,400 16,200 14,000 15,300 21,500 24,100 17,800 10,200 9,320 14,800 18,500 17,500
23 17,600 15,700 14,100 15,300 21,800 23,700 17,300 10,300 9,470 14,300 19,400 16,900
24 18,900 16,000 14,100 15,800 21,900 23,200 17,000 10,000 9,450 13,600 21,200 17,200
25 18,900 16,300 14,200 15,600 22,000 22,900 16,800 9,960 9,410 14,800 21,600 16,700
26 18,100 15,900 14,000 15,400 22,300 22,700 16,400 9,850 9,320 15,600 21,400 16,300
27 17,400 15,700 13,800 15,600 22,700 22,700 16,100 9,630 9,290 15,200 21,200 17,000
28 17,200 15,200 13,700 16,200 22,900 22,600 15,700 9,520 9,110 15,200 21,200 16,800
29 17,500 16,500 13,800 16,700 22,800 22,900 15,300 9,430 9,500 15,200 20,200 16,700
30 18,400   13,900 17,100 23,100 22,800 14,900 9,590 9,900 15,000 19,600 16,600
31 18,500   14,200   23,000   14,600 9,330   16,100   15,900