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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 06111800 Big Spring Cr at R&B Trading Post nr Lewistown MT


Fergus County, Montana
Hydrologic Unit Code 10040103
Latitude  47°05'16.2", Longitude 109°27'27.0" NAD83
Drainage area 191  square miles
Gage datum 3,843 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 2014-10-01 -> 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
1 161 165 168 193 202 234 178 147 150 170 172 166
2 162 167 167 186 203 255 174 145 149 171 171 166
3 161 164 167 182 202 246 174 141 149 180 173 166
4 162 163 169 185 200 327 174 142 151 195 174 166
5 162 164 170 191 199 341 172 144 155 191 173 165
6 162 166 173 193 198 316 172 143 154 179 172 163
7 162 172 184 194 196 297 170 141 153 176 169 164
8 161 176 179 192 197 285 169 141 152 176 169 165
9 161 180 176 196 196 277 169 141 153 178 171 164
10 160 220 174 196 202 265 169 141 153 176 173 165
11 161 190 173 193 205 235 183 142 153 175 169 165
12 160 175 177 192 210 222 177 143 162 174 169 164
13 160 172 176 194 232 225 172 144 162 174 169 165
14 160 171 178 193 228 216 167 143 161 174 170 164
15 160 173 200 195 225 211 165 145 161 172 169 165
16 160 176 212 192 231 208 164 145 164 172 170 162
17 160 181 192 192 255 204 162 147 163 171 170 163
18 161 175 184 190 265 202 161 151 162 170 169 163
19 161 172 184 187 241 201 159 151 164 170 169 163
20 162 172 184 186 228 198 156 151 166 170 170 163
21 162 170 201 190 225 197 154 150 171 169 168 164
22 161 168 269 192 224 202 151 151 170 169 168 164
23 162 167 288 189 221 199 152 151 169 169 169 162
24 162 167 266 189 223 192 149 152 167 169 168 164
25 163 167 241 198 219 186 149 155 166 168 168 163
26 167 166 231 198 221 176 151 152 164 169 166 160
27 173 166 211 202 275 170 156 153 166 170 167 159
28 170 168 195 212 315 167 161 153 168 169 168 162
29 167 171 191 212 275 189 155 150 170 169 166 161
30 166   196 206 251 186 151 151 168 168 165 161
31 165   199   241   149 150   175   160