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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 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 -> 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
1 104 121 114 138 200 268 218 56 55 116 143 120
2 100 114 122 141 195 275 215 56 53 118 143 119
3 97 104 133 141 197 273 200 53 52 121 144 117
4 96 100 133 143 197 282 194 49 53 127 142 115
5 96 102 134 156 197 308 186 49 57 133 142 110
6 99 105 134 160 201 311 175 49 59 136 141 110
7 103 108 130 164 216 313 169 53 61 137 141 111
8 106 118 130 177 223 314 161 52 67 140 142 110
9 103 129 128 182 214 298 155 47 74 142 139 109
10 101 123 146 181 212 293 151 47 75 143 138 109
11 99 114 145 187 208 304 153 45 74 148 134 110
12 99 111 144 187 202 299 146 44 73 151 134 111
13 101 113 156 173 206 312 142 44 75 150 135 111
14 103 113 144 172 201 319 135 43 76 155 134 110
15 104 124 139 172 199 297 128 42 80 157 132 104
16 107 127 144 163 201 306 123 44 83 158 132 103
17 103 124 142 163 214 327 117 45 83 159 131 101
18 102 118 136 167 237 328 111 43 84 157 131 96
19 101 113 147 174 251 327 106 41 92 157 130 96
20 100 112 147 181 255 324 100 40 97 159 130 97
21 99 110 143 192 252 302 93 43 99 157 126 99
22 97 108 141 200 243 295 90 46 100 155 127 95
23 96 106 149 209 235 280 87 48 103 153 125 93
24 95 108 149 215 241 269 83 48 105 151 125 93
25 101 107 140 219 263 259 79 46 104 149 124 94
26 99 114 139 213 258 249 76 46 105 148 121 93
27 102 113 139 209 256 240 75 48 107 148 120 92
28 96 112 136 207 264 226 70 48 107 149 120 94
29 94 114 136 204 272 229 66 51 109 147 121 93
30 96   133 201 270 226 61 51 113 145 120 94
31 99   136   263   62 50   144   98