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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 21, 2018 - USGS water-resources monitoring will continue with partner funds and USGS Cooperative Matching Funds at the following site: USGS water-resources monitoring will be discontinued at the following sites effective October 1, 2018:
  • 06024540 Big Hole R bel Mudd Cr nr Wisdom, MT (seasonal water temperature)
  • 06308400 Pumpkin Cr nr Miles City, MT (annual streamflow, water temperature, and sampling)
USGS monitoring activities at these sites were funded by partner agencies. Lack of partner funding for these sites resulted in discontinuation of all streamgaging activities.

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 06023000 Ruby River near Twin Bridges MT


Madison County, Montana
Hydrologic Unit Code 10020003
Latitude  45°30'24.89", Longitude 112°19'51.20" NAD83
Drainage area 970  square miles
Gage datum 4,670 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 -> 2019-09-30)

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
1 159 140 140 176 176 256 361 121 179 207 226 205
2 156 141 139 174 172 267 352 120 178 206 224 205
3 153 151 138 182 171 289 351 116 179 202 224 207
4 152 156 139 183 171 315 352 114 180 201 223 202
5 153 149 140 185 167 329 344 113 179 201 222 195
6 152 148 140 189 162 345 330 109 182 201 224 194
7 153 148 144 191 165 366 314 110 185 201 224 191
8 153 146 146 193 181 387 302 108 185 199 228 189
9 152 142 148 192 193 398 286 106 186 199 222 189
10 150 141 149 193 200 404 273 107 187 202 223 187
11 150 141 150 186 206 401 263 112 188 204 220 185
12 151 141 152 188 207 394 260 113 190 205 220 184
13 148 142 151 190 209 396 253 115 188 207 219 181
14 145 142 152 191 203 398 252 117 188 208 220 181
15 143 142 153 188 196 396 245 120 188 212 219 183
16 140 142 154 183 187 419 235 121 190 213 216 182
17 138 144 159 188 177 460 216 123 191 212 219 183
18 138 142 164 189 172 466 206 122 192 212 222 182
19 137 143 164 189 170 460 199 122 193 215 222 182
20 137 143 164 189 174 440 190 128 195 216 219 184
21 138 142 164 188 185 442 176 132 199 215 220 184
22 139 141 168 189 201 434 162 138 199 217 218 181
23 139 141 170 191 213 406 157 147 199 219 218 179
24 138 138 175 193 218 389 150 150 201 221 217 174
25 138 139 180 192 227 396 143 155 199 222 215 173
26 137 137 183 194 238 402 136 156 200 224 212 172
27 135 137 181 191 236 401 134 160 198 225 209 169
28 137 138 182 185 231 385 135 166 201 226 207 168
29 139 148 182 185 232 364 129 171 205 225 206 166
30 141   183 181 238 345 127 173 203 224 204 166
31 139   183   244   122 175   223   163