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USGS Surface-Water 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 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 -> 2024-09-30)

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 18,200 15,300 14,500 17,100 23,500 22,800 14,400 9,380 10,200 16,600 19,400
2 15,900 17,700 15,100 14,500 16,600 24,200 22,900 14,300 9,720 9,900 16,400 20,200
3 17,000 17,100 15,000 14,000 16,900 24,900 22,700 13,800 9,380 9,910 16,400 21,000
4 17,300 17,000 15,100 13,900 17,100 24,700 22,600 13,600 9,040 10,200 18,300 21,700
5 18,000 17,500 14,800 14,100 17,400 24,800 21,900 13,400 9,070 10,300 19,000 20,700
6 18,000 17,300 15,100 14,700 18,000 25,000 22,100 13,000 9,370 9,870 18,000 19,000
7 18,200 17,400 14,700 14,800 18,300 24,700 21,600 12,800 9,240 9,890 18,200 17,900
8 19,500 17,700 14,200 14,500 18,400 24,600 21,500 12,800 9,140 10,300 18,300 17,300
9 18,500 17,600 14,300 14,500 18,800 24,100 22,000 12,500 9,370 10,400 17,800 18,000
10 18,100 17,400 14,900 14,500 18,700 24,500 21,800 12,200 9,310 11,000 17,600 18,900
11 17,800 17,300 14,600 14,300 19,000 24,400 21,100 11,900 9,400 11,800 18,300 19,400
12 18,500 16,300 14,900 14,300 19,800 24,100 21,200 11,600 9,120 11,600 19,100 19,500
13 18,800 16,500 15,100 14,700 20,000 24,100 21,700 11,400 8,630 11,300 19,600 19,600
14 18,800 16,400 14,900 15,000 20,200 23,800 21,500 11,300 8,850 11,500 20,000 19,400
15 19,400 16,700 14,900 15,200 20,200 23,900 21,100 11,200 8,870 11,800 20,200 19,000
16 19,700 17,200 14,800 14,900 20,600 24,100 20,700 11,200 9,010 12,000 20,600 18,700
17 19,700 16,700 14,600 15,000 21,300 24,600 20,000 10,800 9,300 12,800 19,600 18,400
18 19,700 16,100 14,300 14,800 21,400 24,800 19,600 10,500 9,700 13,600 19,300 18,400
19 19,800 16,100 14,500 14,800 21,400 24,800 19,200 10,200 9,320 13,400 18,900 18,100
20 19,100 16,400 14,600 15,500 21,700 24,600 18,800 10,200 9,500 14,000 19,600 17,900
21 18,400 16,200 14,400 15,600 21,900 24,600 18,300 10,100 9,680 14,300 19,500 18,200
22 17,600 16,300 14,000 15,300 21,700 24,300 17,900 10,200 9,360 14,800 18,600 17,500
23 17,700 15,700 14,100 15,400 21,900 23,800 17,400 10,400 9,510 14,300 19,500 16,900
24 19,000 16,100 14,100 15,900 22,000 23,300 17,100 10,100 9,480 13,600 21,300 17,200
25 19,000 16,400 14,200 15,700 22,200 23,000 16,900 9,960 9,440 14,900 21,700 16,800
26 18,200 16,000 14,000 15,500 22,400 22,800 16,500 9,880 9,340 15,700 21,500 16,200
27 17,600 15,700 13,800 15,600 22,800 22,800 16,200 9,650 9,310 15,100 21,300 17,000
28 17,100 15,200 13,700 16,300 23,000 22,700 15,700 9,530 9,130 15,000 21,300 16,800
29 17,300 16,400 13,800 16,700 22,900 22,900 15,400 9,430 9,530 15,200 20,300 16,600
30 18,200   14,000 17,100 23,200 22,900 15,000 9,590 9,940 15,000 19,700 16,600
31 18,400   14,200   23,100   14,700 9,330   16,100   15,900