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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 06139500 Big Sandy Creek near Havre MT


Hill County, Montana
Hydrologic Unit Code 10050005
Latitude  48°31'36.17", Longitude 109°50'29.68" NAD83
Drainage area 1,787  square miles
Gage datum 2,510 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 1945-10-01 -> 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 0. 0. 7.1 133 27 48 41 11 5.4 11 5.8 0.03
2 0. 0. 7.9 146 27 52 40 11 5.2 10 7.2 0.03
3 0. 0. 5.1 164 28 58 36 11 4.8 10 0.94 0.03
4 0. 0. 3.4 161 26 73 33 11 4.9 11 0.04 0.03
5 0. 0. 4.5 149 25 87 32 10 5.1 11 0.05 0.03
6 0. 0. 1.7 119 25 105 31 9.6 5.2 12 0.05 0.03
7 0. 0. 3 100 24 91 32 9.9 5.2 13 0.05 0.04
8 0. 0. 3.4 92 24 87 32 9 5.1 13 0.05 0.04
9 0. 0. 2.4 79 24 83 30 8.5 5.2 13 0.05 0.04
10 0. 0. 2.5 79 23 75 28 8.5 5 12 0.04 0.04
11 0. 2 2.9 92 24 71 27 7.5 4.9 12 0.04 0.03
12 0. 19 1.9 108 25 65 27 7.2 4.8 11 0.06 0.03
13 0. 18 1.6 98 26 59 31 7.3 4.8 9.9 0.06 0.03
14 0. 18 1.5 92 28 54 27 7.3 4.8 9.5 0.06 0.04
15 0. 17 1.5 85 28 51 27 7.6 4.9 9.4 0.06 0.04
16 2.1 13 1.4 84 28 49 22 7.7 5.2 9.6 0.07 0.03
17 5.7 10 1.4 106 29 47 20 7.5 5.6 10 0.07 0.03
18 4.3 8.8 2 123 29 46 19 7.2 5.8 9.6 0.07 0.01
19 2.1 6.8 11 111 30 48 19 7.2 6 9.7 0.07 0.01
20 0.71 5.3 83 83 31 59 20 7.2 6.1 9.4 0.07 0.01
21 0. 3.9 228 71 31 65 22 7.2 6.4 9.2 0.06 0.01
22 0. 4 270 54 31 67 20 7.1 5.8 9.2 0.06 0.
23 0. 5.6 250 43 32 69 18 6.8 5.4 8.9 0.04 0.
24 0. 9 185 38 37 66 16 6.8 5.4 9 0.04 0.
25 0. 12 117 34 38 57 15 6.5 7.7 9.1 0.04 0.
26 0. 13 82 32 38 51 14 6.3 7.9 9 0.04 0.
27 0. 13 130 30 39 48 14 5.8 8.4 9 0.04 0.
28 0. 11 121 29 40 45 14 5.6 9 9.1 0.03 0.
29 0. 2.5 108 29 41 47 14 5.5 8.4 9.1 0.03 0.
30 0.   112 28 42 45 12 5.7 7.8 9.4 0.03 0.
31 0.   160   44   12 5.6   8.8   0.