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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 06309000 Yellowstone River at Miles City, MT


Custer County, Montana
Hydrologic Unit Code 10100001
Latitude  46°25'14.78", Longitude 105°51'36.12" NAD83
Drainage area 48,287.7  square miles
Contributing drainage area 47,596  square miles
Gage datum 2,333.3 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 1921-10-01 -> 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 5,260 5,520 6,720 8,020 10,500 30,400 31,400 10,900 6,780 7,480 7,540 6,500
2 5,200 5,520 6,800 7,900 10,600 30,700 30,200 10,700 6,700 7,540 7,570 6,440
3 5,210 5,560 6,940 7,930 10,800 30,900 29,700 10,400 6,620 7,660 7,590 6,390
4 5,190 5,620 7,130 8,090 11,100 31,800 29,200 10,100 6,690 7,690 7,580 6,400
5 5,090 5,710 7,100 7,940 11,300 32,500 28,800 9,860 6,650 7,730 7,520 6,390
6 5,070 5,730 7,210 7,760 11,700 33,200 27,900 9,510 6,600 7,870 7,510 6,250
7 5,120 5,750 7,380 7,570 12,100 34,000 27,000 9,260 6,580 7,920 7,480 6,040
8 5,190 5,790 7,400 7,550 12,600 35,500 25,900 8,980 6,670 7,830 7,420 5,890
9 5,250 5,740 7,490 7,640 13,300 36,600 25,100 8,680 6,850 7,780 7,380 5,770
10 5,280 5,690 7,670 7,720 13,800 37,000 24,300 8,370 6,800 7,760 7,350 5,730
11 5,280 5,700 7,980 7,850 14,300 36,900 23,400 8,140 6,750 7,750 7,320 5,750
12 5,340 5,750 8,200 7,970 14,700 37,000 22,700 7,940 6,770 7,700 7,240 5,750
13 5,390 5,940 8,530 8,070 15,100 36,600 21,900 7,860 6,880 7,760 7,130 5,750
14 5,390 6,190 8,700 8,140 15,600 36,300 21,200 7,880 6,980 7,790 7,070 5,740
15 5,410 6,240 8,520 8,090 15,700 36,800 20,400 7,810 7,040 7,790 7,070 5,780
16 5,460 6,360 8,530 8,010 16,300 37,300 19,600 7,700 7,050 7,760 7,090 5,790
17 5,510 6,510 8,280 8,070 17,000 37,400 18,800 7,610 7,030 7,760 7,090 5,700
18 5,560 6,620 8,260 8,160 17,800 38,300 18,000 7,430 7,060 7,750 7,070 5,650
19 5,530 6,660 8,430 8,250 18,900 38,500 17,300 7,230 7,140 7,810 7,010 5,650
20 5,560 6,520 9,020 8,350 20,100 37,900 16,600 7,050 7,290 7,780 6,930 5,630
21 5,550 6,520 9,070 8,480 21,400 37,200 15,800 6,920 7,360 7,730 6,910 5,630
22 5,580 6,470 8,960 8,600 22,600 36,800 15,300 6,970 7,430 7,760 6,870 5,660
23 5,570 6,460 8,800 8,720 23,300 36,500 14,700 7,080 7,510 7,730 6,850 5,690
24 5,610 6,460 8,630 9,050 24,200 36,100 14,100 7,110 7,570 7,780 6,720 5,640
25 5,620 6,470 8,550 9,440 24,700 35,800 13,600 6,960 7,720 7,740 6,660 5,580
26 5,520 6,490 8,700 9,680 24,800 35,600 13,100 6,840 7,730 7,680 6,620 5,580
27 5,470 6,550 8,570 9,890 25,500 35,200 12,900 6,680 7,680 7,650 6,680 5,550
28 5,430 6,580 8,630 10,200 26,400 34,500 12,700 6,650 7,660 7,600 6,730 5,510
29 5,390 6,740 8,460 10,300 27,300 33,800 12,400 6,720 7,710 7,580 6,650 5,370
30 5,440   8,420 10,500 28,700 32,900 11,800 6,790 7,480 7,560 6,590 5,330
31 5,490   8,250   29,500   11,300 6,790   7,550   5,320