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USGS Daily Statistics for Montana

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Questions or concerns about USGS data and data products in Montana and Wyoming can be directed to the Wyoming-Montana Water Science Center Data Management Section.


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 -> 2021-09-30)

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 40,600 14,000 9,270 9,850 11,300 11,600
2 11,700 11,900 11,700 13,900 30,300 58,300 39,200 13,500 9,200 9,980 11,300 11,700
3 12,000 11,900 11,600 14,200 30,800 57,900 38,000 13,200 9,060 9,970 11,400 11,800
4 12,100 11,900 11,600 14,300 31,500 57,900 37,100 13,000 9,120 10,100 11,400 12,100
5 12,000 11,900 11,600 14,400 32,400 58,300 35,700 12,600 9,280 10,100 11,500 12,200
6 12,200 11,900 11,600 14,700 33,500 58,600 34,900 12,300 9,220 10,100 11,400 12,200
7 12,200 12,000 11,600 15,000 34,600 58,900 33,800 12,100 9,160 10,200 11,300 12,000
8 12,300 12,100 11,500 15,400 35,500 59,200 32,600 11,900 9,240 10,300 11,400 12,000
9 12,200 12,100 11,400 15,800 36,600 59,300 31,200 11,600 9,280 10,300 11,500 12,000
10 12,300 12,100 11,600 16,200 37,800 58,800 29,700 11,300 9,390 10,200 11,500 12,200
11 12,300 12,200 11,600 16,600 38,800 58,000 28,500 11,200 9,520 10,200 11,400 12,300
12 12,300 12,100 11,800 16,900 40,100 57,200 27,400 10,900 9,370 10,300 11,400 12,300
13 12,200 12,100 11,900 17,200 41,000 56,300 26,300 10,900 9,370 10,300 11,400 12,300
14 12,100 12,100 11,900 17,900 41,900 56,000 25,700 10,700 9,410 10,200 11,400 12,400
15 12,100 12,100 12,000 18,600 43,100 55,700 24,900 10,600 9,440 10,200 11,400 12,500
16 12,200 12,100 12,100 19,200 44,500 55,000 24,100 10,500 9,440 10,300 11,600 12,700
17 12,400 12,000 12,100 19,700 45,900 54,800 23,300 10,300 9,370 10,400 11,700 12,700
18 12,300 12,000 12,100 20,200 47,300 54,500 22,300 10,100 9,390 10,400 11,700 12,400
19 12,100 11,900 12,200 20,800 48,600 53,900 20,700 9,960 9,570 10,500 11,700 12,300
20 12,000 12,000 12,400 21,400 49,600 52,800 20,200 9,900 9,480 10,400 11,600 12,300
21 12,100 12,100 12,400 22,300 50,600 52,200 19,500 9,910 9,620 10,600 11,600 12,500
22 12,000 12,100 12,500 23,200 51,800 51,700 19,000 9,850 9,700 10,800 11,700 12,500
23 12,100 12,000 12,600 23,900 52,800 50,400 18,400 9,790 9,720 10,800 11,600 12,400
24 12,100 11,900 12,600 24,800 53,600 48,700 17,700 9,690 9,770 10,800 11,500 12,500
25 12,100 12,000 12,700 25,600 54,400 47,700 17,200 9,710 9,890 10,800 11,600 12,100
26 12,100 12,000 12,700 26,200 55,100 46,300 16,700 9,640 9,870 10,900 11,800 11,800
27 11,900 12,000 12,800 26,600 56,000 44,900 16,100 9,570 9,870 11,000 11,800 11,900
28 11,800 11,900 12,900 27,200 57,100 44,000 15,800 9,490 9,940 11,100 11,700 12,200
29 11,700 11,500 13,100 28,000 57,300 43,300 15,500 9,390 9,840 11,100 11,600 12,200
30 11,800   13,300 28,700 57,600 42,100 15,100 9,440 9,770 11,200 11,700 12,100
31 11,800   13,400   57,900   14,600 9,300   11,200   12,100