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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 -> 2019-09-30)

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 58,600 40,700 14,000 9,300 9,850 11,300 11,600
2 11,700 11,900 11,700 14,000 30,200 58,300 39,300 13,600 9,220 9,980 11,400 11,700
3 12,000 11,900 11,600 14,300 30,700 57,800 38,100 13,200 9,080 9,980 11,400 11,800
4 12,000 11,900 11,600 14,400 31,400 57,900 37,200 13,000 9,150 10,100 11,400 12,100
5 12,000 11,900 11,600 14,500 32,400 58,300 35,800 12,600 9,310 10,100 11,500 12,200
6 12,200 11,900 11,600 14,800 33,500 58,600 35,000 12,300 9,250 10,100 11,400 12,200
7 12,200 12,000 11,600 15,100 34,600 58,900 34,000 12,100 9,180 10,200 11,300 12,000
8 12,300 12,100 11,500 15,400 35,500 59,200 32,700 12,000 9,250 10,200 11,400 12,000
9 12,200 12,200 11,400 15,800 36,600 59,400 31,300 11,600 9,290 10,200 11,500 12,000
10 12,300 12,200 11,600 16,200 37,800 58,900 29,800 11,400 9,400 10,200 11,500 12,100
11 12,300 12,200 11,700 16,500 38,800 58,200 28,600 11,200 9,520 10,200 11,400 12,300
12 12,300 12,100 11,900 16,900 40,100 57,500 27,500 10,900 9,370 10,300 11,400 12,300
13 12,100 12,100 11,900 17,200 41,000 56,600 26,400 10,900 9,370 10,300 11,400 12,300
14 12,100 12,100 12,000 17,900 41,800 56,300 25,800 10,700 9,410 10,200 11,400 12,400
15 12,100 12,100 12,100 18,600 43,000 56,000 25,000 10,700 9,440 10,200 11,500 12,500
16 12,200 12,100 12,100 19,300 44,400 55,300 24,200 10,500 9,440 10,300 11,600 12,700
17 12,400 12,000 12,100 19,800 45,700 55,100 23,400 10,300 9,370 10,400 11,700 12,700
18 12,300 12,000 12,200 20,300 47,200 54,800 22,300 10,100 9,390 10,400 11,700 12,400
19 12,100 11,900 12,300 21,000 48,400 54,100 20,800 9,960 9,580 10,500 11,700 12,300
20 12,000 12,000 12,500 21,500 49,400 53,100 20,200 9,900 9,480 10,400 11,700 12,300
21 12,000 12,100 12,500 22,400 50,500 52,500 19,600 9,910 9,620 10,600 11,700 12,500
22 12,000 12,200 12,500 23,200 51,600 51,900 19,100 9,860 9,710 10,900 11,700 12,500
23 12,000 12,000 12,600 23,900 52,600 50,600 18,500 9,810 9,730 10,900 11,700 12,400
24 12,100 12,000 12,700 24,800 53,500 48,900 17,800 9,710 9,780 10,800 11,600 12,500
25 12,100 12,000 12,800 25,600 54,500 47,900 17,300 9,740 9,900 10,800 11,600 12,100
26 12,100 12,100 12,700 26,200 55,200 46,500 16,800 9,670 9,870 11,000 11,800 11,800
27 11,900 12,000 12,800 26,500 56,100 45,100 16,200 9,600 9,870 11,100 11,800 11,900
28 11,800 11,900 13,000 27,200 57,200 44,100 15,900 9,520 9,940 11,200 11,700 12,200
29 11,700 11,600 13,200 27,900 57,300 43,400 15,500 9,420 9,840 11,100 11,600 12,200
30 11,800   13,300 28,600 57,600 42,200 15,200 9,470 9,760 11,300 11,700 12,100
31 11,800   13,400   57,900   14,600 9,330   11,300   12,100