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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 06185500 Missouri River near Culbertson MT


Richland County, Montana
Hydrologic Unit Code 10060005
Latitude  48°07'24.60", Longitude 104°28'23.88" NAD83
Drainage area 89,858  square miles
Gage datum 1,883.4 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 1957-10-01 -> 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 9,910 10,900 11,000 11,000 9,710 10,600 11,200 10,600 10,000 8,620 8,080 8,930
2 9,940 10,900 10,800 11,100 9,740 10,700 11,300 10,500 10,000 8,640 8,070 8,880
3 9,920 10,900 10,600 10,900 9,780 10,800 11,300 10,400 9,950 8,630 8,180 8,870
4 9,880 10,900 10,600 10,800 9,820 10,900 11,400 10,300 9,950 8,510 8,190 9,010
5 9,820 10,900 10,500 10,900 9,860 10,900 11,500 10,300 9,990 8,430 8,170 9,060
6 9,870 10,900 10,300 10,900 9,770 11,000 11,300 10,300 9,870 8,380 8,230 9,190
7 10,100 11,000 10,100 10,800 9,840 11,100 11,200 10,200 9,820 8,350 8,210 9,140
8 10,100 11,000 10,000 10,600 9,970 11,400 11,300 10,200 9,770 8,430 8,210 9,210
9 10,100 11,100 9,950 10,600 10,000 11,500 11,300 10,200 9,720 8,490 8,210 9,270
10 10,100 11,200 9,880 10,600 10,100 11,600 11,200 10,100 9,610 8,420 8,160 9,330
11 10,200 11,200 9,910 10,600 10,100 11,700 11,200 9,970 9,480 8,390 8,160 9,310
12 10,200 11,200 9,940 10,500 10,100 11,800 11,200 9,840 9,440 8,450 8,250 9,250
13 10,200 11,200 9,810 10,300 10,100 11,900 11,100 9,780 9,430 8,460 8,320 9,190
14 10,300 11,200 9,830 10,100 10,100 12,000 10,900 9,770 9,510 8,440 8,380 9,250
15 10,400 11,200 9,930 10,000 10,200 12,000 10,800 9,770 9,480 8,420 8,360 9,270
16 10,600 11,200 10,000 10,200 10,200 12,000 10,800 9,820 9,430 8,420 8,280 9,400
17 10,800 11,100 10,200 10,200 10,100 11,900 10,700 9,830 9,400 8,370 8,260 9,420
18 10,800 11,200 10,300 10,100 10,200 11,800 10,800 9,810 9,290 8,360 8,330 9,460
19 10,800 11,200 10,600 9,960 10,200 11,800 10,900 9,740 9,220 8,290 8,350 9,590
20 10,700 11,100 10,800 9,960 10,300 11,800 10,900 9,720 9,130 8,240 8,290 9,540
21 10,800 11,300 10,800 9,900 10,300 11,900 10,800 9,730 9,100 8,230 8,220 9,480
22 10,900 11,200 10,900 9,660 10,400 11,800 10,700 9,770 9,040 8,230 8,260 9,510
23 10,900 11,300 11,000 9,670 10,500 11,600 10,700 9,840 8,910 8,220 8,360 9,630
24 11,000 11,300 11,200 9,780 10,500 11,400 10,700 9,910 8,900 8,140 8,420 9,710
25 11,000 11,300 11,100 9,790 10,400 11,500 10,700 9,980 8,780 8,160 8,440 9,860
26 10,900 11,200 11,200 9,790 10,300 11,500 10,600 10,100 8,650 8,160 8,470 9,850
27 11,000 11,200 11,200 9,900 10,300 11,500 10,600 10,100 8,720 8,070 8,500 9,810
28 11,000 11,200 11,400 9,880 10,300 11,500 10,600 10,100 8,700 8,000 8,550 9,770
29 11,100 11,400 11,400 9,800 10,400 11,500 10,600 10,000 8,640 8,090 8,760 9,800
30 10,900   11,400 9,720 10,400 11,300 10,500 10,000 8,640 8,140 8,840 9,820
31 10,900   11,200   10,400   10,600 10,000   8,120   9,820