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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 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 -> 2022-09-30)

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 10,400 13,500 9,900 10,300 11,800 14,100 9,000 3,650 2,740 4,950 10,500 14,100
2 10,800 12,500 9,490 10,100 11,700 14,700 8,950 3,570 3,210 4,640 11,500 15,000
3 11,300 11,900 9,470 9,660 11,900 14,500 8,860 3,460 3,070 4,600 11,000 15,400
4 11,800 11,500 9,480 9,360 11,800 14,200 8,680 3,410 2,780 4,430 12,900 16,500
5 13,100 11,600 9,580 10,100 12,100 14,200 8,350 3,310 2,600 4,200 12,300 14,500
6 13,100 11,200 10,100 11,200 12,500 14,100 8,090 3,210 2,650 3,910 11,800 12,900
7 14,600 11,400 9,630 10,900 12,500 13,900 7,920 3,100 2,760 3,990 13,000 12,100
8 15,700 11,200 9,030 10,500 12,400 13,600 7,720 3,170 2,780 4,420 13,400 11,900
9 14,400 11,400 9,320 10,500 12,500 13,000 7,850 3,000 2,800 4,750 12,600 12,200
10 13,300 11,000 10,100 10,400 12,500 12,700 7,560 2,850 2,800 4,940 12,200 12,700
11 12,600 10,400 10,200 10,400 12,500 12,700 7,250 2,780 3,040 5,120 12,300 13,200
12 12,500 9,840 10,400 10,400 13,000 12,600 7,150 2,760 2,950 5,100 12,900 13,100
13 13,600 10,600 10,500 10,500 13,300 12,700 7,630 2,760 2,650 5,250 13,600 13,800
14 14,200 10,600 10,300 11,000 13,400 12,800 7,270 2,730 2,800 5,760 14,600 13,600
15 15,200 11,400 10,600 11,100 13,600 12,700 6,850 2,640 2,990 6,040 13,800 13,300
16 14,800 12,600 10,700 10,700 13,900 12,500 6,560 2,660 3,180 6,500 13,600 12,900
17 14,700 12,000 10,300 10,700 14,100 12,100 6,380 2,620 3,300 6,550 12,800 12,900
18 15,700 11,300 9,860 10,600 13,900 12,000 6,210 2,600 3,750 6,290 12,900 13,100
19 16,000 12,100 10,300 10,400 13,700 12,200 5,790 2,600 3,390 6,480 12,700 12,100
20 14,900 12,200 9,980 11,200 13,800 11,700 5,570 2,580 3,500 7,310 12,800 12,400
21 13,800 11,200 9,530 11,200 13,700 11,400 5,430 2,580 3,670 8,060 12,800 12,900
22 12,100 11,200 9,130 10,700 13,900 11,100 5,140 2,600 3,600 9,000 12,700 12,300
23 12,100 10,600 9,510 10,900 13,900 11,000 4,870 2,590 4,100 8,750 13,000 12,000
24 14,000 10,400 9,620 11,400 13,600 10,800 4,770 2,700 3,990 7,970 15,700 12,100
25 14,300 9,770 9,530 11,100 13,500 10,800 4,680 2,770 3,850 7,870 17,200 11,600
26 13,300 9,090 9,440 10,900 13,500 10,500 4,510 2,900 3,600 8,330 16,000 12,300
27 12,300 8,940 9,260 11,000 13,500 9,930 4,420 2,770 3,510 8,950 14,200 12,100
28 12,300 9,520 9,230 11,900 13,800 9,690 4,250 2,830 3,460 8,790 14,500 11,200
29 12,500 13,200 9,400 12,000 14,300 9,780 4,170 2,820 3,680 9,360 14,500 10,600
30 13,800   9,960 11,900 14,600 9,360 4,030 2,790 4,390 9,320 14,300 11,100
31 14,100   10,600   14,000   3,830 2,670   10,300   10,200