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USGS 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 06183450 Big Muddy Creek near Antelope MT


Sheridan County, Montana
Hydrologic Unit Code 10060006
Latitude  48°40'22.43", Longitude 104°30'43.51" NAD83
Drainage area 955  square miles
Gage datum 2,000 feet above NAVD88
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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 1978-10-01 -> 2025-09-30)

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 3.4 3 47 148 55 42 22 22 14 6.5 7.8 6.3
2 3.3 3.1 43 136 46 59 30 31 9.7 7.1 8.1 6.2
3 3.3 3.2 40 132 39 63 29 18 5.8 7.4 8.4 6.2
4 3.2 3.9 34 144 35 60 32 9.2 4.6 7 8.5 6
5 3.1 4.2 30 118 30 43 37 6.9 4.2 7.1 8.3 5.9
6 3.1 4.3 27 98 29 34 32 12 4 7.2 7.9 5.7
7 3.1 4.7 28 95 29 30 26 11 4 8 7.8 5.5
8 3.1 5.1 32 101 30 28 24 8.8 3.9 7.9 7.6 5.4
9 3 10 38 105 31 27 25 7.7 4.4 7.7 7.5 5.4
10 3 17 45 117 33 30 29 7 4.3 7.4 7.1 5.4
11 2.9 21 55 126 36 34 37 6.5 7.4 7.8 7 5.3
12 2.9 26 72 144 37 31 39 6.2 7.6 7.6 7.2 5.2
13 2.9 22 123 179 35 25 33 5.8 6.5 7.2 7.2 5.1
14 2.8 20 145 194 35 25 25 5.8 6.5 7.3 7.2 5
15 2.7 17 157 169 36 29 18 6.1 6.1 7 7.3 4.9
16 2.7 17 167 149 34 29 15 5.5 5.2 7 7.2 4.8
17 2.7 21 179 144 32 28 14 5.2 4.7 7.1 7.2 4.7
18 2.7 24 207 170 29 34 13 5.6 5.2 7.1 7.1 4.5
19 2.8 25 209 165 27 34 12 4.7 4.7 7.1 7 4.3
20 2.8 32 209 144 26 43 15 4.8 4.6 7.1 6.8 4.2
21 2.7 31 204 129 25 49 12 5 4.8 6.9 6.8 4.1
22 2.7 30 207 101 24 38 42 4.7 5.1 6.9 6.7 4
23 2.8 28 228 75 25 45 46 4.6 5.2 6.8 6.7 3.9
24 2.9 27 228 65 31 44 23 4.5 5.2 7.3 6.8 3.9
25 2.9 26 221 62 32 29 16 4.2 5.5 7.5 6.6 3.8
26 2.8 24 212 58 27 22 15 4 5.7 7.6 6.6 3.7
27 2.8 30 205 54 26 19 13 4.4 5.8 7.7 6.6 3.6
28 2.7 39 184 53 26 18 13 4.2 6.3 7.6 6.6 3.6
29 2.9 22 172 60 30 20 15 3.9 5.7 7.9 6.5 3.6
30 3   182 60 33 20 16 4.8 5.9 7.8 6.4 3.5
31 2.9   158   34   14 6.4   7.6   3.5