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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 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 -> 2024-09-30)

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 3,120 3,640 5,940 13,500 25,700 13,400 3,800 2,780 3,060 3,560 3,560
2 3,030 3,180 3,610 6,110 13,800 25,500 12,800 3,740 2,800 3,090 3,560 3,570
3 2,990 3,200 3,620 6,270 14,100 25,400 12,200 3,640 2,800 3,140 3,600 3,640
4 2,940 3,210 3,640 6,370 14,600 25,400 11,700 3,570 2,780 3,140 3,600 3,680
5 2,920 3,190 3,610 6,430 15,200 25,500 11,300 3,500 2,770 3,150 3,610 3,660
6 2,940 3,240 3,630 6,620 15,700 25,500 10,900 3,430 2,760 3,170 3,610 3,540
7 3,010 3,280 3,660 6,930 16,400 25,300 10,400 3,380 2,760 3,170 3,630 3,430
8 3,120 3,300 3,710 7,240 17,000 25,000 9,910 3,310 2,770 3,180 3,680 3,340
9 3,140 3,420 3,740 7,450 17,400 24,400 9,430 3,250 2,780 3,210 3,770 3,290
10 3,130 3,550 3,810 7,660 17,800 23,900 8,980 3,200 2,790 3,200 3,700 3,270
11 3,080 3,580 3,890 7,850 18,100 23,400 8,600 3,130 2,810 3,220 3,640 3,300
12 3,050 3,550 3,990 8,050 18,500 22,800 8,240 3,080 2,810 3,260 3,620 3,350
13 3,050 3,460 4,030 8,290 18,800 22,200 7,880 3,060 2,830 3,310 3,600 3,400
14 3,080 3,430 4,090 8,640 19,200 22,000 7,570 3,040 2,840 3,320 3,620 3,400
15 3,130 3,430 4,180 8,960 19,800 21,800 7,260 3,000 2,860 3,330 3,590 3,410
16 3,240 3,430 4,310 9,200 20,600 21,400 6,930 2,980 2,890 3,340 3,540 3,380
17 3,330 3,470 4,430 9,380 21,400 21,200 6,590 2,940 2,920 3,360 3,520 3,310
18 3,290 3,520 4,540 9,670 22,200 21,000 6,270 2,910 2,950 3,380 3,510 3,230
19 3,230 3,530 4,690 9,910 22,700 20,500 5,990 2,880 2,980 3,390 3,510 3,180
20 3,170 3,570 4,760 10,300 23,100 19,800 5,770 2,840 3,000 3,410 3,500 3,140
21 3,120 3,630 4,790 10,800 23,600 19,300 5,560 2,830 3,010 3,410 3,490 3,160
22 3,110 3,650 4,810 11,200 24,100 18,800 5,300 2,830 3,030 3,410 3,490 3,270
23 3,080 3,580 4,920 11,600 24,300 18,200 5,080 2,840 3,050 3,420 3,460 3,600
24 3,110 3,550 5,010 12,200 24,400 17,500 4,860 2,850 3,070 3,470 3,490 3,690
25 3,150 3,570 5,100 12,500 24,600 16,800 4,670 2,880 3,060 3,480 3,620 3,520
26 3,140 3,600 5,170 12,700 25,000 16,200 4,500 2,870 3,060 3,520 3,650 3,390
27 3,060 3,610 5,250 12,700 25,200 15,500 4,370 2,850 3,050 3,530 3,630 3,340
28 3,050 3,620 5,340 12,800 25,600 14,800 4,220 2,830 3,040 3,540 3,580 3,280
29 3,040 3,840 5,500 13,000 25,700 14,200 4,090 2,810 3,040 3,550 3,540 3,180
30 3,000   5,700 13,200 25,800 13,800 3,990 2,790 3,050 3,580 3,560 3,120
31 3,020   5,810   25,900   3,880 2,780   3,580   3,110