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USGS Surface-Water 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 12353000 Clark Fork below Missoula MT


Missoula County, Montana
Hydrologic Unit Code 17010204
Latitude  46°52'07.08", Longitude 114°07'39.89" NAD83
Drainage area 9,017  square miles
Gage datum 3,083.88 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 -> 2022-09-30)

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 2,220 2,310 2,610 4,170 9,690 19,800 10,500 2,810 2,090 2,460 2,810 2,670
2 2,200 2,360 2,590 4,320 9,830 19,800 9,990 2,740 2,100 2,520 2,820 2,690
3 2,160 2,340 2,580 4,420 10,000 19,700 9,540 2,700 2,110 2,510 2,810 2,740
4 2,150 2,320 2,580 4,470 10,400 19,900 9,200 2,630 2,090 2,530 2,810 2,750
5 2,150 2,340 2,590 4,530 10,800 20,000 8,890 2,570 2,090 2,530 2,810 2,670
6 2,190 2,380 2,610 4,700 11,300 20,000 8,460 2,540 2,090 2,550 2,820 2,590
7 2,320 2,350 2,670 4,940 11,700 19,900 8,050 2,480 2,090 2,560 2,840 2,520
8 2,340 2,410 2,700 5,130 12,200 19,600 7,680 2,420 2,100 2,580 2,960 2,450
9 2,330 2,490 2,730 5,280 12,500 19,200 7,260 2,380 2,130 2,580 2,950 2,420
10 2,290 2,550 2,790 5,420 12,800 18,700 6,920 2,320 2,150 2,590 2,860 2,440
11 2,250 2,520 2,880 5,540 13,200 18,300 6,650 2,280 2,150 2,600 2,830 2,460
12 2,220 2,490 2,910 5,670 13,400 17,600 6,350 2,260 2,170 2,650 2,800 2,490
13 2,210 2,490 2,950 5,820 13,700 17,300 6,060 2,240 2,190 2,680 2,800 2,490
14 2,240 2,490 3,000 6,040 14,100 17,400 5,810 2,220 2,200 2,700 2,810 2,490
15 2,270 2,460 3,010 6,310 14,600 17,100 5,550 2,210 2,220 2,710 2,750 2,490
16 2,320 2,490 3,090 6,450 15,200 16,800 5,240 2,180 2,270 2,730 2,740 2,470
17 2,370 2,540 3,220 6,520 15,900 16,800 4,970 2,160 2,290 2,740 2,730 2,410
18 2,370 2,570 3,280 6,660 16,500 16,600 4,700 2,140 2,310 2,740 2,730 2,340
19 2,320 2,550 3,370 6,910 16,900 16,100 4,500 2,110 2,330 2,740 2,720 2,320
20 2,290 2,570 3,430 7,230 17,300 15,600 4,340 2,100 2,340 2,740 2,700 2,320
21 2,270 2,620 3,440 7,660 17,800 15,300 4,130 2,100 2,370 2,730 2,710 2,350
22 2,260 2,620 3,510 7,980 18,100 14,900 3,930 2,100 2,380 2,740 2,670 2,410
23 2,260 2,600 3,570 8,330 18,200 14,400 3,750 2,110 2,400 2,760 2,640 2,480
24 2,280 2,580 3,640 8,670 18,500 13,800 3,590 2,140 2,410 2,760 2,700 2,510
25 2,290 2,620 3,650 8,960 18,800 13,300 3,440 2,150 2,410 2,780 2,790 2,430
26 2,230 2,610 3,710 9,020 19,100 12,700 3,330 2,130 2,390 2,800 2,780 2,370
27 2,220 2,620 3,760 9,030 19,400 12,200 3,200 2,110 2,390 2,820 2,750 2,350
28 2,230 2,630 3,830 9,120 19,700 11,600 3,080 2,100 2,390 2,800 2,700 2,310
29 2,200 2,800 3,930 9,260 19,700 11,200 3,010 2,090 2,400 2,800 2,680 2,270
30 2,190   3,980 9,470 19,800 10,900 2,930 2,070 2,420 2,810 2,660 2,240
31 2,230   4,030   19,900   2,860 2,080   2,780   2,250