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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 -> 2023-09-30)

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 3,140 3,650 5,970 13,500 25,800 13,400 3,810 2,780 3,070 3,580 3,580
2 3,030 3,190 3,620 6,150 13,800 25,600 12,800 3,760 2,800 3,100 3,580 3,590
3 2,990 3,210 3,630 6,310 14,000 25,500 12,300 3,660 2,810 3,140 3,620 3,660
4 2,940 3,220 3,650 6,410 14,400 25,500 11,800 3,580 2,790 3,150 3,610 3,710
5 2,930 3,200 3,620 6,470 15,000 25,600 11,400 3,510 2,770 3,160 3,620 3,680
6 2,950 3,250 3,640 6,670 15,600 25,600 10,900 3,440 2,770 3,170 3,610 3,560
7 3,010 3,290 3,680 6,980 16,200 25,400 10,400 3,380 2,760 3,180 3,630 3,440
8 3,130 3,310 3,730 7,290 16,800 25,100 9,960 3,320 2,770 3,190 3,680 3,350
9 3,150 3,430 3,760 7,500 17,300 24,500 9,470 3,250 2,780 3,210 3,780 3,300
10 3,130 3,560 3,830 7,710 17,700 24,000 9,020 3,200 2,790 3,210 3,710 3,280
11 3,080 3,590 3,910 7,880 18,000 23,500 8,630 3,140 2,810 3,220 3,650 3,310
12 3,060 3,560 4,010 8,070 18,400 22,900 8,280 3,090 2,810 3,260 3,630 3,360
13 3,060 3,470 4,050 8,300 18,800 22,300 7,910 3,060 2,830 3,310 3,620 3,400
14 3,090 3,440 4,110 8,660 19,200 22,000 7,600 3,050 2,850 3,330 3,630 3,410
15 3,140 3,440 4,200 8,990 19,800 21,900 7,290 3,010 2,860 3,330 3,600 3,420
16 3,250 3,440 4,330 9,240 20,500 21,500 6,950 2,980 2,900 3,340 3,550 3,390
17 3,340 3,490 4,450 9,420 21,400 21,300 6,620 2,950 2,930 3,370 3,530 3,320
18 3,300 3,530 4,560 9,710 22,100 21,100 6,300 2,920 2,950 3,390 3,520 3,240
19 3,240 3,540 4,720 9,950 22,600 20,500 6,010 2,890 2,990 3,410 3,530 3,190
20 3,180 3,590 4,780 10,300 23,100 19,900 5,790 2,850 3,010 3,430 3,520 3,150
21 3,130 3,650 4,810 10,900 23,500 19,400 5,580 2,840 3,020 3,430 3,510 3,170
22 3,110 3,660 4,830 11,300 24,000 18,900 5,320 2,840 3,040 3,430 3,510 3,290
23 3,090 3,600 4,940 11,700 24,200 18,300 5,100 2,840 3,060 3,440 3,470 3,630
24 3,120 3,570 5,030 12,200 24,300 17,600 4,880 2,860 3,070 3,480 3,500 3,710
25 3,160 3,600 5,120 12,600 24,600 16,900 4,680 2,880 3,070 3,490 3,630 3,540
26 3,150 3,620 5,200 12,800 25,000 16,300 4,520 2,870 3,070 3,530 3,670 3,410
27 3,070 3,630 5,280 12,800 25,300 15,600 4,380 2,850 3,050 3,550 3,650 3,350
28 3,050 3,630 5,370 12,900 25,600 14,900 4,230 2,830 3,050 3,560 3,600 3,280
29 3,040 3,840 5,540 13,100 25,700 14,300 4,100 2,810 3,040 3,570 3,560 3,180
30 3,010   5,740 13,200 25,800 13,900 4,000 2,790 3,060 3,600 3,590 3,120
31 3,040   5,850   25,900   3,900 2,780   3,600   3,110