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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 September 18, 2020 - USGS water-resources monitoring activities were restored effective August 17, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)

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)


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 12330000 Boulder Creek at Maxville MT


Granite County, Montana
Hydrologic Unit Code 17010202
Latitude  46°28'17.95", Longitude 113°14'08.77" NAD83
Drainage area 70.5  square miles
Gage datum 4,750 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 1939-10-01 -> 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 19 19 18 21 47 195 109 28 17 21 25 23
2 19 18 18 21 48 195 104 27 17 22 25 23
3 18 18 18 21 52 204 101 26 16 22 25 23
4 19 18 18 21 56 210 96 25 16 22 25 22
5 19 19 18 22 60 212 91 25 16 22 25 22
6 19 19 18 22 64 210 86 25 16 22 25 22
7 19 19 18 23 71 210 82 24 16 22 25 21
8 20 20 18 23 76 207 78 23 16 22 25 21
9 19 19 18 23 79 199 73 23 17 22 25 21
10 19 19 19 24 82 197 72 22 17 22 25 21
11 19 20 18 24 84 193 69 21 17 22 24 21
12 19 19 18 24 87 186 65 21 18 23 24 21
13 19 19 19 25 92 203 63 21 17 23 24 21
14 20 18 19 26 96 191 59 21 17 23 24 21
15 20 18 19 26 101 184 56 20 18 24 24 20
16 19 18 19 26 111 184 52 21 19 24 24 20
17 19 18 19 27 118 187 50 20 19 24 24 20
18 19 18 19 28 125 181 48 19 19 24 24 20
19 19 18 19 29 131 181 46 19 19 24 23 20
20 19 18 19 31 139 171 44 19 20 24 23 21
21 19 18 19 32 148 170 42 19 20 24 23 21
22 18 18 19 35 160 162 40 19 20 24 23 21
23 19 18 19 37 156 152 38 20 20 25 23 21
24 19 18 19 39 166 147 37 19 19 25 24 21
25 18 18 19 39 171 141 35 18 20 25 24 20
26 18 19 20 40 177 133 33 18 20 25 23 20
27 18 18 20 41 181 128 32 18 21 25 23 20
28 18 18 20 42 187 123 31 17 21 25 23 20
29 18 18 20 43 192 121 30 17 21 25 23 20
30 18   20 45 195 115 29 17 22 25 22 20
31 18   20   195   29 17   25   19