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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).


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 12389000 Clark Fork near Plains MT


Sanders County, Montana
Hydrologic Unit Code 17010213
Latitude  47°25'45.12", Longitude 114°51'23.52" NAD83
Drainage area 19,964  square miles
Gage datum 2,449.11 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 1910-10-01 -> 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 11,900 11,900 11,800 13,800 29,800 58,500 40,500 14,000 9,280 9,870 11,300 11,600
2 11,700 11,900 11,700 14,000 30,200 58,100 39,100 13,500 9,210 10,000 11,400 11,700
3 12,000 11,900 11,600 14,200 30,700 57,700 38,000 13,200 9,070 9,970 11,400 11,800
4 12,100 11,900 11,600 14,400 31,400 57,800 37,000 13,000 9,130 10,100 11,400 12,100
5 12,000 11,900 11,600 14,500 32,400 58,100 35,700 12,600 9,290 10,100 11,500 12,200
6 12,200 11,900 11,600 14,800 33,400 58,500 34,900 12,300 9,240 10,100 11,400 12,200
7 12,200 12,000 11,600 15,100 34,500 58,800 33,800 12,100 9,170 10,200 11,300 12,000
8 12,300 12,100 11,500 15,400 35,500 59,100 32,600 11,900 9,250 10,200 11,400 12,000
9 12,200 12,200 11,400 15,800 36,600 59,200 31,200 11,600 9,290 10,200 11,500 12,000
10 12,300 12,100 11,600 16,200 37,800 58,700 29,700 11,300 9,410 10,200 11,500 12,200
11 12,300 12,200 11,700 16,600 38,800 58,000 28,500 11,100 9,530 10,200 11,400 12,300
12 12,300 12,100 11,800 16,900 40,100 57,300 27,400 10,900 9,380 10,300 11,400 12,300
13 12,100 12,100 11,900 17,300 41,000 56,300 26,300 10,900 9,390 10,300 11,400 12,300
14 12,100 12,100 12,000 18,000 41,900 56,100 25,700 10,700 9,430 10,200 11,400 12,400
15 12,100 12,100 12,000 18,600 43,000 55,800 24,900 10,600 9,450 10,200 11,500 12,500
16 12,200 12,100 12,100 19,300 44,500 55,100 24,100 10,500 9,460 10,300 11,600 12,700
17 12,300 12,000 12,100 19,700 45,900 54,900 23,300 10,300 9,380 10,400 11,700 12,700
18 12,300 12,000 12,100 20,300 47,400 54,600 22,300 10,100 9,400 10,400 11,700 12,400
19 12,100 11,900 12,300 20,900 48,600 53,900 20,700 9,940 9,590 10,500 11,700 12,300
20 12,000 12,000 12,400 21,500 49,500 52,900 20,200 9,890 9,500 10,400 11,700 12,300
21 12,000 12,100 12,500 22,400 50,500 52,200 19,500 9,890 9,630 10,600 11,700 12,500
22 12,000 12,200 12,500 23,300 51,600 51,700 19,000 9,840 9,720 10,900 11,700 12,500
23 12,100 12,000 12,600 24,000 52,600 50,400 18,400 9,790 9,740 10,900 11,700 12,400
24 12,100 12,000 12,600 24,900 53,400 48,700 17,700 9,690 9,790 10,800 11,600 12,500
25 12,100 12,000 12,700 25,600 54,300 47,700 17,200 9,720 9,910 10,800 11,600 12,100
26 12,100 12,000 12,700 26,300 55,100 46,300 16,700 9,650 9,890 11,000 11,800 11,800
27 11,900 12,000 12,800 26,600 55,900 44,900 16,100 9,580 9,890 11,000 11,800 11,900
28 11,800 11,900 12,900 27,300 57,000 43,900 15,900 9,500 9,960 11,200 11,700 12,200
29 11,700 11,600 13,100 28,000 57,200 43,200 15,500 9,400 9,860 11,100 11,600 12,200
30 11,800   13,300 28,700 57,500 42,000 15,100 9,450 9,780 11,300 11,700 12,200
31 11,800   13,400   57,800   14,600 9,310   11,300   12,100