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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 -> 2025-09-30)

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
1 104 120 116 137 196 261 212 55 55 115 142 119
2 100 114 123 140 191 268 210 55 53 118 142 118
3 97 105 132 140 193 266 195 52 51 121 143 116
4 96 101 132 144 192 277 190 48 53 126 141 115
5 97 102 133 157 192 300 181 48 56 132 141 110
6 100 105 133 161 196 303 170 48 59 135 140 110
7 102 107 129 164 211 306 165 52 60 136 140 111
8 105 117 129 176 217 307 157 51 66 139 141 110
9 103 128 128 181 209 292 151 46 73 141 138 109
10 101 122 145 180 206 288 147 46 74 142 137 109
11 99 113 144 185 202 299 149 44 73 147 133 110
12 99 110 144 185 196 292 142 43 72 150 133 111
13 101 111 155 172 200 304 138 43 75 149 135 111
14 102 112 144 172 196 310 132 42 75 154 133 109
15 104 122 139 172 194 289 125 41 79 156 131 104
16 107 125 143 163 196 298 120 43 82 157 131 102
17 103 121 142 163 209 319 114 44 82 158 131 100
18 101 117 136 167 230 320 109 43 84 156 130 97
19 99 113 147 173 244 319 104 41 92 156 129 96
20 99 112 147 179 248 316 98 40 97 157 128 97
21 97 110 144 190 245 294 91 43 98 156 126 99
22 97 108 141 198 236 287 88 46 99 154 127 95
23 95 107 149 206 229 272 85 48 102 151 124 93
24 94 109 149 212 234 261 81 48 104 149 124 93
25 100 109 139 215 256 251 77 46 104 148 123 94
26 98 116 139 209 251 242 74 46 105 147 121 93
27 100 114 138 205 249 234 73 48 106 147 120 92
28 95 113 136 203 256 222 68 48 106 148 119 94
29 93 118 136 200 265 223 64 51 108 146 120 93
30 96   133 197 265 220 59 50 112 144 119 94
31 98   136   257   60 50   143   98