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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 06185110 Big Muddy Creek nr mouth nr Culbertson MT


Roosevelt County, Montana
Hydrologic Unit Code 10060006
Latitude  48°09'52.13", Longitude 104°37'46.27" NAD83
Drainage area 2,717  square miles
Gage datum 1,896.5 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 1981-10-01 -> 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 5.6 3.5 38 119 150 78 54 22 12 16 13 12
2 5.8 4.4 42 118 140 80 50 18 11 18 13 12
3 5.7 4.3 63 123 130 83 47 18 10 19 13 12
4 5.7 4.3 59 120 123 93 45 18 10 20 13 12
5 5.7 4.1 52 119 117 100 45 18 16 21 12 13
6 5.6 3.9 50 123 106 102 46 19 19 20 13 13
7 5.5 3.8 53 118 88 100 44 26 19 21 13 13
8 5.4 3.7 58 117 77 100 43 24 19 22 12 13
9 5.2 3.6 66 120 71 97 42 21 20 24 13 13
10 4.9 3.8 75 122 69 87 44 19 19 24 13 13
11 4.8 4 72 123 67 77 46 17 19 23 13 12
12 4.7 4 71 148 64 70 48 17 21 21 13 12
13 4.4 4 71 161 63 64 45 17 23 18 12 12
14 4 3.8 74 191 61 59 42 17 24 17 12 12
15 3.5 3.6 76 210 61 56 44 19 25 16 12 11
16 3.4 3.7 70 222 59 52 46 20 26 16 12 11
17 3.3 4 84 213 60 50 46 20 26 16 13 10
18 3.2 4.3 99 195 62 47 46 19 25 16 13 9.8
19 3.2 4.6 119 186 65 46 45 19 24 16 13 9
20 3.2 4.5 137 179 68 44 41 18 23 16 13 8.4
21 3.2 5.2 168 173 68 44 37 17 23 16 13 8.4
22 3.2 6.8 167 164 64 50 36 15 19 16 13 8.3
23 3.2 9 146 156 62 61 33 13 16 16 13 8.2
24 3.2 12 146 159 60 65 31 13 14 16 13 8
25 3.2 16 146 159 59 63 28 13 13 15 13 7.4
26 3.1 23 147 154 57 61 26 13 13 13 13 7.1
27 3.2 28 141 148 54 57 25 13 13 11 13 6
28 3.2 28 134 147 56 53 23 14 13 11 13 6.1
29 3.2 31 127 150 55 51 21 15 13 9.7 13 6.1
30 3.2   126 154 56 56 20 16 15 14 13 5.8
31 3.3   123   68   20 14   13   5.6