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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 12331500 Flint Creek near Drummond MT


Granite County, Montana
Hydrologic Unit Code 17010202
Latitude  46°37'43.42", Longitude 113°09'02.49" NAD83
Drainage area 490  square miles
Gage datum 4,017.27 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 1990-10-01 -> 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
1 105 126 115 141 196 254 208 57 57 113 144 123
2 99 117 124 144 186 269 207 57 55 115 143 121
3 97 106 136 144 185 271 193 54 52 118 142 118
4 96 102 136 146 185 281 188 49 54 124 141 114
5 97 103 139 161 185 312 180 50 57 132 140 108
6 100 107 138 166 190 316 168 49 60 135 141 108
7 103 111 131 170 205 319 162 55 61 136 141 108
8 107 123 131 183 208 317 155 54 68 140 144 107
9 104 136 131 188 201 299 149 48 76 142 142 107
10 103 128 152 182 202 295 143 48 76 143 140 108
11 100 119 150 178 202 298 146 46 75 148 136 110
12 98 116 150 181 199 281 141 45 74 151 134 110
13 101 117 164 177 207 305 138 46 78 151 136 110
14 103 116 150 178 205 320 132 45 78 155 135 109
15 106 127 144 177 201 301 125 44 82 157 132 104
16 109 128 147 168 201 316 121 47 86 158 133 101
17 103 126 145 166 213 327 115 48 86 157 133 100
18 102 120 137 171 233 310 111 45 87 156 133 96
19 102 115 146 179 241 310 106 43 94 156 131 94
20 101 115 145 188 227 312 101 42 100 158 131 94
21 99 114 144 201 216 295 94 43 101 157 129 96
22 98 110 145 209 216 293 91 46 101 154 130 92
23 97 109 155 218 217 281 87 49 104 152 125 91
24 97 110 154 225 230 271 82 50 106 150 126 93
25 103 110 144 227 255 263 79 47 104 149 126 94
26 102 117 143 221 248 255 76 46 104 148 123 93
27 105 115 143 217 239 246 76 49 105 148 122 93
28 98 113 138 214 242 226 71 49 104 149 122 94
29 97 106 135 210 253 219 66 52 106 148 124 93
30 100   135 203 253 216 61 52 110 146 122 93
31 102   139   247   63 52   144   98