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USGS Daily Statistics for the Nation

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 88 - 89 years of record in, ft3/s   (Calculation Period 1929-10-01 -> 2018-09-30)

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 3,670 5,950 13,200 25,500 13,400 3,820 2,780 3,070 3,570 3,560
2 3,030 3,200 3,620 6,140 13,400 25,200 12,800 3,760 2,800 3,100 3,570 3,570
3 2,990 3,220 3,610 6,300 13,700 25,200 12,300 3,660 2,810 3,140 3,600 3,640
4 2,940 3,220 3,630 6,410 14,200 25,300 11,800 3,590 2,790 3,150 3,590 3,680
5 2,910 3,180 3,600 6,460 14,700 25,400 11,400 3,510 2,780 3,160 3,590 3,650
6 2,930 3,210 3,620 6,630 15,300 25,400 11,000 3,440 2,780 3,180 3,580 3,530
7 3,000 3,260 3,660 6,940 15,800 25,300 10,500 3,390 2,770 3,180 3,600 3,420
8 3,120 3,280 3,720 7,260 16,300 25,000 9,960 3,320 2,780 3,200 3,650 3,330
9 3,140 3,410 3,750 7,430 16,800 24,500 9,470 3,260 2,790 3,220 3,750 3,280
10 3,130 3,540 3,820 7,600 17,200 24,000 9,010 3,200 2,800 3,210 3,690 3,260
11 3,080 3,580 3,920 7,770 17,600 23,500 8,630 3,140 2,820 3,230 3,640 3,300
12 3,060 3,560 4,020 7,980 18,000 22,900 8,280 3,090 2,820 3,270 3,610 3,350
13 3,050 3,470 4,070 8,240 18,400 22,300 7,920 3,060 2,840 3,320 3,600 3,400
14 3,070 3,440 4,130 8,640 18,900 22,100 7,610 3,040 2,850 3,330 3,610 3,400
15 3,130 3,440 4,220 9,010 19,500 21,900 7,300 3,010 2,870 3,330 3,570 3,410
16 3,260 3,440 4,360 9,270 20,200 21,600 6,960 2,980 2,910 3,340 3,510 3,390
17 3,350 3,490 4,480 9,470 21,000 21,400 6,620 2,950 2,940 3,370 3,500 3,320
18 3,310 3,530 4,580 9,780 21,600 21,200 6,300 2,920 2,970 3,380 3,490 3,230
19 3,240 3,550 4,740 10,000 22,100 20,600 6,010 2,890 3,000 3,390 3,500 3,180
20 3,170 3,600 4,810 10,400 22,600 19,800 5,800 2,850 3,020 3,400 3,490 3,130
21 3,120 3,670 4,830 10,900 23,200 19,300 5,580 2,840 3,030 3,390 3,480 3,140
22 3,100 3,690 4,850 11,300 23,700 18,800 5,330 2,830 3,050 3,400 3,480 3,280
23 3,080 3,630 4,970 11,600 24,000 18,300 5,100 2,840 3,070 3,420 3,450 3,640
24 3,110 3,600 5,050 12,200 24,200 17,600 4,880 2,850 3,080 3,460 3,490 3,730
25 3,160 3,630 5,130 12,500 24,500 16,900 4,680 2,880 3,080 3,480 3,620 3,560
26 3,150 3,660 5,200 12,600 24,900 16,300 4,520 2,870 3,080 3,520 3,660 3,420
27 3,070 3,670 5,270 12,600 25,100 15,600 4,380 2,850 3,060 3,540 3,640 3,360
28 3,060 3,670 5,360 12,700 25,300 14,900 4,230 2,830 3,060 3,540 3,590 3,290
29 3,050 3,890 5,510 12,800 25,400 14,300 4,100 2,810 3,050 3,550 3,520 3,190
30 3,020   5,710 13,000 25,500 13,800 4,000 2,790 3,060 3,590 3,550 3,120
31 3,040   5,820   25,700   3,900 2,770   3,590   3,110