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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 12354500 Clark Fork at St. Regis MT


Mineral County, Montana
Hydrologic Unit Code 17010204
Latitude  47°18'05.90", Longitude 115°05'12.73" NAD83
Drainage area 10,728  square miles
Gage datum 2,600.37 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 1929-10-01 -> 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 3,080 3,150 3,660 5,970 13,500 25,700 13,400 3,820 2,790 3,070 3,570 3,590
2 3,030 3,200 3,610 6,150 13,700 25,500 12,800 3,760 2,810 3,100 3,570 3,590
3 2,990 3,220 3,610 6,320 13,900 25,400 12,200 3,660 2,820 3,150 3,610 3,660
4 2,940 3,220 3,620 6,430 14,300 25,400 11,800 3,590 2,800 3,150 3,610 3,700
5 2,920 3,200 3,590 6,480 14,900 25,500 11,300 3,510 2,780 3,160 3,610 3,670
6 2,940 3,250 3,620 6,670 15,500 25,500 10,900 3,450 2,780 3,180 3,600 3,540
7 3,010 3,300 3,650 6,990 16,200 25,300 10,400 3,390 2,770 3,190 3,620 3,430
8 3,130 3,320 3,710 7,310 16,700 25,000 9,950 3,320 2,780 3,200 3,670 3,340
9 3,150 3,450 3,740 7,530 17,200 24,500 9,470 3,260 2,790 3,220 3,770 3,280
10 3,140 3,580 3,820 7,740 17,700 24,000 9,010 3,210 2,810 3,220 3,700 3,260
11 3,090 3,610 3,910 7,910 18,100 23,500 8,630 3,140 2,830 3,230 3,650 3,300
12 3,060 3,580 4,010 8,100 18,500 22,800 8,270 3,090 2,830 3,280 3,620 3,350
13 3,050 3,490 4,060 8,340 18,900 22,200 7,910 3,070 2,850 3,320 3,610 3,400
14 3,080 3,470 4,110 8,720 19,300 22,000 7,600 3,050 2,860 3,340 3,610 3,400
15 3,130 3,470 4,210 9,070 19,900 21,900 7,290 3,020 2,880 3,340 3,580 3,420
16 3,250 3,460 4,340 9,330 20,600 21,500 6,960 2,990 2,910 3,350 3,520 3,390
17 3,350 3,510 4,460 9,530 21,500 21,300 6,630 2,960 2,950 3,370 3,500 3,320
18 3,310 3,550 4,570 9,830 22,200 21,100 6,310 2,930 2,970 3,380 3,500 3,240
19 3,240 3,560 4,730 10,100 22,700 20,600 6,020 2,890 3,010 3,390 3,510 3,190
20 3,180 3,600 4,790 10,400 23,100 19,900 5,800 2,860 3,020 3,400 3,490 3,150
21 3,130 3,670 4,820 11,000 23,500 19,400 5,590 2,840 3,040 3,390 3,480 3,160
22 3,110 3,680 4,840 11,400 23,900 18,900 5,330 2,840 3,060 3,400 3,480 3,280
23 3,080 3,630 4,960 11,800 24,200 18,300 5,100 2,840 3,070 3,410 3,460 3,630
24 3,120 3,600 5,050 12,400 24,400 17,600 4,880 2,860 3,080 3,460 3,490 3,720
25 3,160 3,620 5,130 12,700 24,700 16,900 4,690 2,880 3,080 3,470 3,620 3,550
26 3,150 3,640 5,210 12,900 25,100 16,300 4,520 2,880 3,080 3,520 3,670 3,410
27 3,070 3,650 5,280 12,900 25,400 15,600 4,380 2,850 3,070 3,540 3,640 3,350
28 3,060 3,650 5,380 13,000 25,600 14,900 4,230 2,840 3,060 3,550 3,590 3,280
29 3,050 3,890 5,530 13,100 25,700 14,300 4,110 2,810 3,050 3,550 3,560 3,190
30 3,020   5,730 13,300 25,800 13,800 4,010 2,790 3,060 3,590 3,590 3,130
31 3,040   5,830   25,900   3,900 2,780   3,590   3,120