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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).


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 -> 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
1 162 166 168 183 207 231 178 153 148 171 175 167
2 163 167 168 181 206 261 174 150 148 171 174 167
3 163 165 167 179 205 251 171 147 148 183 174 167
4 163 165 167 181 201 362 170 146 151 202 174 167
5 164 166 169 183 198 383 169 149 155 197 174 165
6 164 168 171 185 198 351 169 147 154 183 173 164
7 163 175 172 188 199 325 168 145 152 179 171 165
8 162 180 173 189 201 308 166 146 151 179 170 166
9 162 185 173 191 201 298 164 146 151 180 171 166
10 162 236 172 188 209 287 165 145 151 179 172 165
11 163 199 172 190 211 251 184 144 149 178 170 166
12 161 179 181 192 217 235 176 144 162 177 169 165
13 162 175 182 197 248 240 168 145 164 177 168 165
14 163 174 190 197 244 229 162 146 163 176 169 165
15 163 176 228 201 241 222 160 147 164 174 169 166
16 162 181 247 197 248 218 160 146 168 174 171 163
17 162 187 213 197 278 214 159 146 167 173 170 164
18 164 180 198 195 288 210 159 151 165 172 169 164
19 164 177 197 191 256 207 156 152 168 172 169 165
20 165 176 191 188 240 203 153 152 167 173 169 164
21 165 173 187 187 237 200 152 151 168 172 169 164
22 163 171 184 189 235 197 151 151 170 172 169 164
23 164 169 184 190 232 194 153 150 171 171 170 163
24 164 170 183 191 236 190 152 151 169 171 169 164
25 166 170 183 204 230 185 152 154 167 170 168 164
26 171 168 180 205 231 172 157 151 166 171 168 161
27 177 167 180 210 235 164 164 152 167 172 169 161
28 173 169 181 221 262 160 170 153 168 172 170 164
29 171 175 181 221 251 190 163 149 168 172 168 163
30 169   180 213 237 187 158 149 168 171 166 163
31 168   180   234   155 148   178   162