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USGS Surface-Water 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 06329500 Yellowstone River near Sidney MT


Richland County, Montana
Hydrologic Unit Code 10100004
Latitude  47°40'38.69", Longitude 104°09'19.48" NAD83
Drainage area 69,099  square miles
Contributing drainage area 68,407  square miles
Gage datum 1,881.30 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 1910-10-01 -> 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 5,560 5,850 8,000 11,900 11,300 32,000 35,700 11,700 6,230 8,330 7,850 6,810
2 5,550 5,890 7,910 11,700 11,400 33,100 34,300 11,400 6,250 8,660 7,850 6,800
3 5,540 5,930 7,860 12,100 11,400 33,300 33,200 11,100 6,320 8,930 7,830 6,700
4 5,550 5,920 7,890 11,400 11,600 33,500 32,400 10,800 6,280 8,520 7,840 6,620
5 5,600 5,990 8,160 11,200 11,900 33,900 31,800 10,600 6,280 8,350 7,860 6,500
6 5,590 6,060 8,700 11,300 12,100 34,500 31,100 10,300 6,310 8,350 7,800 6,390
7 5,640 6,100 8,800 11,000 12,500 35,500 29,900 9,950 6,390 8,400 7,750 6,390
8 5,650 6,170 8,890 10,600 13,000 35,900 28,900 9,600 6,660 8,460 7,730 6,270
9 5,570 6,290 9,020 10,300 13,300 37,300 27,800 9,390 6,610 8,360 7,680 6,110
10 5,530 6,440 9,250 10,100 13,900 38,600 27,100 8,970 6,680 8,310 7,660 5,910
11 5,570 6,450 9,800 9,810 14,900 39,300 26,200 8,650 6,620 8,270 7,620 5,770
12 5,710 6,480 9,970 9,540 15,900 39,700 25,000 8,300 6,590 8,310 7,560 5,660
13 5,800 6,520 10,100 9,400 16,300 40,300 24,000 8,050 6,670 8,240 7,510 5,710
14 5,800 6,670 10,300 9,460 16,600 40,200 23,100 7,890 6,710 8,180 7,440 5,810
15 5,790 6,810 10,400 9,450 16,800 39,900 22,500 7,830 6,840 8,190 7,330 5,850
16 5,780 6,860 10,700 9,390 16,600 40,400 22,000 7,860 6,980 8,170 7,290 5,800
17 5,840 7,010 10,700 9,310 16,900 40,700 21,000 7,870 6,960 8,110 7,260 5,820
18 5,830 7,090 10,700 9,320 17,600 41,100 20,000 7,820 6,990 8,090 7,230 5,820
19 5,910 7,110 11,200 9,350 18,500 42,500 19,000 7,600 7,000 8,120 7,170 5,830
20 5,920 7,240 12,000 9,410 19,600 43,100 18,000 7,390 7,030 8,140 7,140 5,770
21 5,940 7,520 13,000 9,510 21,100 42,900 17,100 7,120 7,120 8,090 7,110 5,750
22 5,940 7,750 13,600 9,470 22,600 42,000 16,300 6,890 7,210 8,130 7,070 5,770
23 5,960 7,440 13,800 9,540 23,900 40,900 15,700 6,750 7,290 8,090 6,980 5,730
24 5,930 7,290 13,600 9,640 25,100 40,100 14,900 6,910 7,380 8,080 6,910 5,730
25 5,900 7,320 12,900 9,860 25,800 39,300 14,300 6,840 7,460 8,060 6,910 5,730
26 5,890 7,390 12,000 10,100 26,300 38,700 13,800 6,800 7,610 8,090 6,940 5,800
27 5,920 7,460 11,300 10,400 26,800 38,600 13,600 6,650 7,780 8,010 6,930 5,730
28 5,860 7,550 11,700 10,600 27,600 38,300 13,200 6,430 7,800 7,980 6,850 5,720
29 5,830 8,320 12,100 10,900 28,600 37,500 13,000 6,330 7,820 7,990 6,870 5,740
30 5,820   11,400 11,100 29,800 36,700 12,700 6,410 8,060 7,940 6,860 5,740
31 5,860   11,900   30,900   12,300 6,280   7,880   5,670