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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

Updated June 11, 2020 - USGS water-resources monitoring activities will be restored at the following sites:
  • 12323600 Silver Bow Creek at Opportunity, Montana (POR: 31 years)
  • 12323750 Silver Bow Creek at Warm Springs, Montana (POR: 35 years)

Updated May 12, 2020 - USGS water-resources monitoring activities were suspended effective June 1, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)
USGS monitoring activities at this site was funded by our partner and USGS Cooperative Matching Funds (06088500). Lack of partner funding for this site resulted in suspension of all USGS monitoring activities. Efforts are ongoing to secure funding for future monitoring. Historical data will continue to be available from USGS.

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 12335500 Nevada Cr ab reservoir, nr Helmville, MT


Powell County, Montana
Hydrologic Unit Code 17010203
Latitude  46°46'40.00", Longitude 112°46'04.03" NAD83
Drainage area 119  square miles
Gage datum 4,640 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 1938-10-01 -> 2020-09-30)

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 11 13 19 75 68 129 41 20 10 11 16 14
2 11 13 21 89 68 132 39 19 10 12 16 14
3 10 13 20 73 71 133 37 19 9.7 12 16 15
4 14 16 21 61 80 129 37 18 9.4 12 16 14
5 17 15 21 63 82 125 35 17 9.5 12 16 14
6 12 14 19 73 83 124 32 17 9.4 12 16 13
7 11 19 22 83 91 121 31 17 9.3 12 16 13
8 11 18 21 72 92 116 29 17 9.6 13 16 13
9 11 19 20 72 94 112 28 16 9.7 13 16 13
10 11 16 21 70 98 110 30 16 9.4 13 15 13
11 11 15 23 69 100 105 29 16 9.5 13 15 13
12 11 13 25 69 101 99 29 16 10 14 15 13
13 11 13 26 67 103 100 29 15 9.7 14 16 12
14 12 13 26 66 107 93 28 15 9.6 14 15 12
15 17 14 27 65 115 88 26 14 10 14 15 12
16 15 15 35 67 119 87 26 14 10 14 15 12
17 13 14 37 64 125 86 26 14 10 14 14 12
18 12 14 37 61 131 80 25 13 10 14 15 12
19 13 15 38 60 131 81 24 13 10 14 14 12
20 13 16 38 66 131 80 24 13 11 15 14 14
21 12 18 43 67 134 76 23 13 11 15 14 13
22 12 17 48 66 144 69 22 12 11 15 14 12
23 12 16 55 67 140 63 22 13 11 15 14 13
24 12 16 53 69 139 59 21 13 11 15 15 12
25 12 24 49 68 146 55 21 12 11 15 15 12
26 12 24 56 66 141 54 21 11 11 16 14 14
27 12 20 54 67 133 50 21 11 11 15 14 12
28 12 17 48 67 130 47 21 11 11 15 14 11
29 12 17 44 68 129 46 21 11 11 15 13 11
30 13   47 70 133 42 20 11 11 15 13 11
31 15   55   131   20 11   15   13