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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 12150800 SNOHOMISH RIVER NEAR MONROE, WA


Snohomish County, Washington
Hydrologic Unit Code 17110011
Latitude  47°49'52", Longitude 122°02'50" NAD27
Drainage area 1,537  square miles
Gage datum 13.25 feet above NGVD29
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00060, Discharge, cubic feet per second,
Day of
month
Mean of daily mean values for each day for 54 - 55 years of record in, ft3/s   (Calculation Period 1962-10-01 -> 2017-09-30)

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 9,820 12,800 9,290 10,500 11,800 14,200 9,110 3,780 2,850 4,960 10,500 14,000
2 10,200 11,500 8,930 10,300 11,600 14,900 9,050 3,690 3,370 4,690 11,400 15,200
3 10,700 11,100 9,050 9,820 11,900 14,600 8,990 3,580 3,210 4,710 10,800 15,800
4 11,100 10,800 9,270 9,430 11,900 14,400 8,860 3,520 2,900 4,570 12,600 17,100
5 12,700 10,600 9,530 10,200 12,200 14,400 8,540 3,420 2,710 4,320 11,600 15,000
6 12,700 10,000 10,200 11,400 12,600 14,400 8,260 3,330 2,760 4,010 11,200 13,300
7 13,600 10,200 9,760 11,100 12,400 14,200 8,100 3,200 2,880 4,090 13,000 12,500
8 15,000 10,100 9,170 10,400 12,300 13,900 7,910 3,270 2,900 4,460 13,700 12,200
9 14,000 10,600 9,460 10,300 12,300 13,300 8,070 3,090 2,890 4,780 12,900 12,400
10 13,000 10,600 10,300 10,300 12,300 12,800 7,770 2,930 2,910 4,970 12,500 13,000
11 12,300 10,200 10,500 10,200 12,300 12,800 7,440 2,850 3,170 5,070 12,700 13,500
12 11,300 9,730 10,800 10,300 12,900 12,800 7,410 2,830 3,070 4,880 12,900 13,200
13 12,000 10,600 10,900 10,500 13,200 13,000 7,940 2,830 2,740 5,110 13,400 14,000
14 13,300 10,700 10,600 10,800 13,300 12,900 7,580 2,800 2,900 5,560 14,400 13,900
15 14,900 11,600 10,800 11,000 13,500 12,800 7,140 2,710 3,090 5,950 13,300 13,700
16 14,800 12,900 10,900 10,600 13,800 12,700 6,830 2,740 3,270 6,550 13,200 13,300
17 14,800 12,100 10,600 10,500 14,000 12,300 6,650 2,700 3,410 6,450 12,700 13,200
18 15,900 11,400 10,200 10,400 13,700 12,200 6,420 2,670 3,840 6,100 12,900 13,000
19 16,300 12,400 10,700 10,200 13,700 12,400 5,960 2,670 3,420 5,890 12,800 11,600
20 15,000 12,600 10,200 11,100 13,900 11,900 5,760 2,660 3,500 6,820 12,900 11,600
21 13,600 11,500 9,710 11,100 13,800 11,500 5,630 2,660 3,730 7,770 12,900 11,900
22 12,000 11,300 9,240 10,700 14,100 11,200 5,340 2,680 3,720 7,700 12,300 11,400
23 11,800 10,500 9,630 10,800 14,100 11,100 5,050 2,680 4,220 7,950 12,400 11,400
24 13,500 10,500 9,730 11,300 13,700 10,900 4,940 2,800 4,010 7,550 15,400 11,800
25 14,100 9,930 9,660 11,100 13,600 10,900 4,850 2,880 3,830 7,690 17,300 11,600
26 13,200 9,220 9,610 10,700 13,600 10,500 4,690 3,030 3,450 8,200 16,000 12,400
27 12,200 9,080 9,410 10,900 13,600 9,970 4,590 2,880 3,320 8,760 13,700 12,300
28 12,300 9,510 9,250 11,800 13,900 9,720 4,400 2,950 3,300 8,480 13,900 11,400
29 12,600 13,600 9,380 12,000 14,400 9,870 4,310 2,930 3,560 8,550 14,000 10,600
30 13,800   10,000 11,900 14,800 9,480 4,170 2,910 4,400 8,990 14,200 10,500
31 14,000   10,700   14,100   3,970 2,780   10,300   9,800