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USGS Surface-Water 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.

UPDATED July 25, 2022: The following stations are part of a short-term project and are scheduled to be discontinued on September 30, 2022 if alternative funding can not be secured.
  • 06192900 Dugout Creek near mouth, near Willsall, MT
  • 12355342 Hallowat Creek above Kletomus Creek, near Olney, MT
  • 12355347 Big Creek below Lookout Creek, near Apgar, MT

Please contact the Wyoming-Montana Science Center for more information.

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 06200000 Boulder River at Big Timber MT


Sweet Grass County, Montana
Hydrologic Unit Code 10070002
Latitude  45°50'01.66", Longitude 109°56'19.34" NAD83
Drainage area 525  square miles
Gage datum 4,056.3 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 1947-10-01 -> 2022-09-30)

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
1 135 128 124 147 401 2,320 2,370 389 166 202 214 175
2 136 127 123 150 431 2,350 2,270 372 166 204 208 173
3 138 128 123 147 451 2,470 2,220 350 163 205 208 173
4 137 127 122 147 481 2,660 2,160 333 161 209 210 171
5 140 127 123 149 496 2,860 2,080 318 158 210 207 163
6 137 125 128 153 535 3,060 1,970 300 159 212 208 161
7 137 124 127 159 592 3,070 1,900 284 160 214 207 162
8 136 124 127 164 650 3,000 1,810 268 158 214 210 161
9 137 125 128 167 685 2,920 1,700 254 160 214 207 159
10 140 128 128 171 706 2,920 1,620 240 163 215 203 165
11 139 130 128 175 738 2,830 1,550 231 168 216 199 167
12 139 132 129 179 769 2,760 1,430 222 177 219 197 169
13 141 133 129 181 831 2,850 1,340 217 179 218 199 164
14 142 132 129 185 869 2,910 1,270 211 177 218 200 162
15 143 132 129 192 934 2,840 1,180 203 177 221 193 158
16 140 135 130 195 993 2,880 1,090 198 176 226 195 154
17 138 138 131 199 1,100 2,920 1,010 193 175 229 197 150
18 138 136 134 206 1,170 2,880 936 189 177 228 196 147
19 136 135 134 217 1,250 2,900 875 190 186 225 194 151
20 135 133 134 229 1,360 2,860 831 187 193 226 192 147
21 137 132 135 243 1,490 2,820 772 189 196 225 187 151
22 135 130 137 258 1,540 2,810 718 189 199 225 180 150
23 136 130 137 282 1,600 2,770 671 189 194 221 179 146
24 136 127 138 298 1,650 2,740 626 192 196 220 186 143
25 135 127 138 312 1,760 2,700 590 187 195 219 186 144
26 133 124 139 320 1,830 2,630 557 183 194 219 182 145
27 131 126 140 327 1,930 2,590 519 176 198 217 177 143
28 129 126 140 336 2,090 2,540 485 171 200 215 175 144
29 131 124 140 350 2,200 2,470 458 171 196 215 174 144
30 129   142 368 2,220 2,420 441 171 194 210 175 140
31 130   145   2,250   414 170   218   139