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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 06063000 Tenmile Creek near Helena MT


Lewis And Clark County, Montana
Hydrologic Unit Code 10030101
Latitude  46°36'18.02", Longitude 112°05'17.75" NAD83
Drainage area 98.7  square miles
Gage datum 3,953.21 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 1907-10-01 -> 2023-09-30)

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 6.1 5.1 7.5 16 71 130 48 6 3.1 6.3 10 7.9
2 6.2 5.4 7.5 17 71 126 44 6 2.9 6.7 10 7.8
3 6.1 5.3 7.4 19 74 127 43 5.6 3 7.3 10 8.1
4 6.2 5.3 7.3 19 81 133 40 5.6 3.6 7.1 10 7.4
5 5.9 5.6 7.2 20 87 130 36 5.3 3.4 7.2 10 7.1
6 6 5.7 9 20 90 126 31 5 3.4 7.2 10 6.8
7 6.3 5.8 8.1 20 94 125 29 4.7 3.4 7.4 9.9 6.8
8 6.3 6.2 7.8 22 96 126 28 4.5 3.4 7.8 9.6 6.6
9 6.1 6.6 9.9 24 98 134 26 4.7 3.9 7.8 9.1 6.5
10 5.8 6.9 10 25 102 132 25 4.6 3.6 8 8.3 6.6
11 6.2 6.2 8.6 25 106 129 24 4.6 3.8 8.5 8.1 6.6
12 6.9 6 8.2 27 107 128 21 4.2 3.8 8.6 8.1 6.7
13 6.4 6.3 11 29 107 118 19 3.8 4.1 8.9 8.2 6.6
14 6 6 9.1 32 114 108 17 3.8 4.1 9.3 8.4 6.7
15 5.8 6.1 9.5 34 118 103 16 3.8 4 9.7 8.5 6.7
16 5.9 6.2 11 35 128 103 15 3.9 4.3 9.5 8.7 6.6
17 5.7 6.6 11 37 137 100 13 3.7 4.4 9.7 9 6.5
18 5.7 6.2 11 40 135 99 13 3.7 4.3 9.5 8.8 6.6
19 5.7 6.1 12 44 136 99 12 3.6 4.2 9.9 8.5 6.7
20 5.7 6.1 13 50 133 94 11 3.6 4.3 10 8.4 6.7
21 5.6 5.7 14 51 137 83 10 4 4.3 10 8 6.6
22 5.6 5.5 14 53 139 75 8.8 3.2 4.4 10 8.1 6.6
23 5.7 5.8 14 54 138 71 8 4 4.2 10 8.3 6.7
24 5.9 6 14 56 142 67 8.4 4.5 4.3 9.9 8.7 6.5
25 5.7 5.9 15 59 145 61 7.3 3.7 4.2 10 8.6 6.4
26 5.6 6 14 63 153 56 7.3 3.5 4.7 11 8.4 6.2
27 5.7 6.1 16 67 148 57 8.7 3.6 4.9 10 8.4 6.1
28 5.4 6.6 17 71 150 55 7.8 3.4 5.3 10 8.1 6.2
29 5.1 7.3 16 72 142 56 7.5 3.3 5.3 10 8 6.1
30 5   17 72 135 52 6.7 3.3 5.5 10 7.7 6.1
31 5.1   16   132   6.2 3.2   11   6.2