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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 water year of record in, ft3/s   (Calculation Period 1962-10-01 -> 2020-09-30)

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 10,300 12,700 9,150 10,400 11,800 14,000 8,970 3,690 2,780 4,850 10,600 13,800
2 10,600 11,600 8,800 10,200 11,600 14,600 8,930 3,610 3,270 4,620 11,700 14,900
3 11,000 11,400 8,910 9,750 11,800 14,400 8,860 3,500 3,120 4,630 11,100 15,500
4 11,600 11,300 9,110 9,400 11,800 14,200 8,710 3,450 2,820 4,470 12,800 16,700
5 12,900 11,300 9,360 10,200 12,100 14,200 8,400 3,340 2,640 4,250 11,800 14,600
6 12,900 10,500 10,000 11,400 12,500 14,100 8,130 3,250 2,690 3,950 11,400 13,000
7 14,200 10,500 9,560 11,100 12,400 14,000 7,970 3,130 2,800 4,020 12,900 12,200
8 15,400 10,200 8,980 10,600 12,400 13,700 7,780 3,200 2,820 4,470 13,400 11,900
9 14,300 10,800 9,340 10,600 12,500 13,000 7,930 3,020 2,840 4,820 12,600 12,100
10 13,300 10,700 10,200 10,500 12,400 12,600 7,630 2,870 2,840 4,960 12,200 12,700
11 12,600 10,200 10,300 10,500 12,400 12,600 7,320 2,800 3,090 5,010 12,300 13,200
12 11,800 9,730 10,600 10,600 12,900 12,600 7,220 2,770 2,990 4,810 12,500 13,100
13 12,500 10,600 10,700 10,700 13,200 12,700 7,720 2,780 2,680 5,020 13,000 13,800
14 13,500 10,600 10,500 11,200 13,300 12,700 7,360 2,750 2,840 5,450 14,000 13,800
15 14,800 11,400 10,700 11,400 13,500 12,600 6,930 2,660 3,040 5,800 12,900 13,400
16 14,700 12,700 10,800 10,900 13,900 12,400 6,640 2,690 3,240 6,350 12,900 13,000
17 14,600 12,000 10,400 10,900 14,100 12,100 6,460 2,640 3,360 6,290 12,500 13,000
18 15,700 11,400 10,000 10,700 13,800 12,000 6,280 2,620 3,790 6,080 12,700 13,100
19 16,100 12,300 10,500 10,400 13,700 12,200 5,860 2,610 3,370 6,210 12,600 11,900
20 14,800 12,400 10,100 11,300 13,800 11,700 5,640 2,600 3,450 7,170 12,800 12,200
21 13,500 11,300 9,610 11,200 13,800 11,400 5,490 2,600 3,660 8,000 12,800 12,700
22 12,000 11,200 9,150 10,700 14,000 11,100 5,200 2,630 3,640 8,990 12,800 11,900
23 12,100 10,300 9,540 10,800 14,000 10,900 4,920 2,620 4,160 8,730 13,100 11,700
24 13,600 10,400 9,630 11,400 13,700 10,800 4,830 2,730 3,970 7,880 15,800 11,900
25 14,100 9,790 9,550 11,100 13,500 10,700 4,730 2,810 3,780 7,800 17,300 11,500
26 13,200 9,090 9,500 10,800 13,500 10,400 4,570 2,950 3,410 8,270 15,900 12,300
27 12,200 8,950 9,340 11,000 13,400 9,840 4,470 2,810 3,330 8,810 14,000 12,100
28 12,200 9,360 9,290 11,900 13,700 9,580 4,300 2,870 3,320 8,560 14,100 11,200
29 12,600 13,600 9,360 12,100 14,300 9,700 4,210 2,860 3,560 8,640 14,100 10,700
30 13,900   9,930 11,900 14,500 9,310 4,070 2,840 4,330 8,960 14,100 11,200
31 13,900   10,600   13,900   3,870 2,710   10,200   10,200