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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 06214500 Yellowstone River at Billings MT


Yellowstone County, Montana
Hydrologic Unit Code 10070004
Latitude  45°48'00.43", Longitude 108°28'04.91" NAD83
Drainage area 11,807  square miles
Contributing drainage area 11,414  square miles
Gage datum 3,081.36 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 1928-10-01 -> 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 2,450 2,510 2,790 3,150 6,260 22,700 21,200 7,020 3,890 3,940 3,950 3,180
2 2,410 2,580 2,770 3,230 6,520 22,900 20,800 6,800 3,910 3,970 3,940 3,170
3 2,400 2,590 2,730 3,240 6,750 23,300 20,300 6,680 3,880 3,990 3,880 3,180
4 2,420 2,580 2,720 3,230 7,010 24,000 20,000 6,430 3,850 4,010 3,860 3,170
5 2,450 2,620 2,700 3,230 7,420 24,900 19,500 6,220 3,810 4,050 3,860 3,110
6 2,450 2,600 2,730 3,280 7,820 26,100 18,800 6,030 3,770 4,040 3,850 3,010
7 2,490 2,550 2,840 3,340 8,390 27,500 18,100 5,840 3,770 4,020 3,830 2,960
8 2,500 2,520 2,940 3,410 9,040 27,700 17,500 5,630 3,820 4,020 3,810 2,920
9 2,540 2,540 3,050 3,480 9,340 27,600 16,700 5,450 3,770 4,030 3,810 2,890
10 2,530 2,550 3,130 3,560 9,650 27,200 16,100 5,310 3,760 4,020 3,810 2,860
11 2,500 2,560 3,100 3,640 10,100 27,000 15,600 5,180 3,810 4,020 3,740 2,860
12 2,500 2,550 3,070 3,720 10,400 26,500 15,100 5,070 3,860 4,020 3,680 2,910
13 2,490 2,570 3,040 3,780 10,700 26,200 14,400 4,940 3,900 4,040 3,650 2,920
14 2,520 2,590 3,050 3,820 11,100 26,800 13,800 4,860 3,900 4,050 3,610 2,870
15 2,570 2,590 2,990 3,910 11,700 27,100 13,200 4,800 3,890 4,090 3,600 2,830
16 2,610 2,590 2,980 4,040 12,300 27,000 12,700 4,690 3,920 4,130 3,560 2,760
17 2,580 2,630 3,060 4,120 13,100 27,400 12,100 4,560 3,910 4,150 3,550 2,720
18 2,590 2,670 3,130 4,150 14,100 27,200 11,500 4,450 3,930 4,140 3,540 2,700
19 2,550 2,720 3,170 4,280 14,900 26,600 11,000 4,350 4,010 4,100 3,520 2,690
20 2,560 2,750 3,140 4,410 15,500 26,300 10,600 4,320 4,010 4,090 3,510 2,660
21 2,580 2,710 3,140 4,590 16,300 25,900 10,200 4,370 4,070 4,060 3,480 2,670
22 2,580 2,710 3,140 4,790 17,200 25,600 9,810 4,340 4,090 4,060 3,420 2,710
23 2,580 2,700 3,170 5,050 17,600 25,400 9,360 4,320 4,060 4,030 3,370 2,710
24 2,560 2,660 3,170 5,340 18,000 25,300 8,990 4,240 4,040 4,010 3,330 2,670
25 2,520 2,670 3,220 5,510 18,600 25,000 8,700 4,170 4,010 3,980 3,380 2,660
26 2,500 2,750 3,220 5,730 19,100 24,500 8,430 4,100 3,970 3,960 3,380 2,630
27 2,480 2,730 3,150 5,790 19,600 24,100 8,200 4,050 3,960 3,950 3,330 2,630
28 2,480 2,750 3,100 5,820 20,300 23,500 7,910 4,030 3,950 3,940 3,270 2,590
29 2,460 2,920 3,160 5,880 21,300 22,600 7,640 3,960 3,950 3,930 3,230 2,560
30 2,470   3,190 6,030 22,400 21,800 7,430 3,920 3,940 3,910 3,210 2,540
31 2,460   3,150   22,600   7,230 3,900   3,930   2,470