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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 12342500 West Fork Bitterroot River nr Conner MT


Ravalli County, Montana
Hydrologic Unit Code 17010205
Latitude  45°43'29.38", Longitude 114°16'56.26" NAD83
Drainage area 317  square miles
Gage datum 4,581.4 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 1940-10-01 -> 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 84 78 86 126 331 1,190 450 211 224 144 126 90
2 83 78 88 132 364 1,160 426 210 222 145 127 90
3 83 78 90 134 400 1,180 408 211 220 144 124 88
4 85 77 90 138 433 1,180 388 213 215 141 125 87
5 86 77 90 139 451 1,170 369 214 215 139 124 86
6 82 77 90 141 458 1,170 348 215 217 140 121 86
7 83 77 89 143 485 1,150 329 214 215 140 118 86
8 84 77 89 144 527 1,120 309 213 213 142 115 87
9 84 78 90 152 556 1,090 298 215 211 146 112 89
10 84 77 90 157 632 1,040 288 218 207 144 109 91
11 84 77 87 168 687 996 276 221 199 142 106 91
12 84 78 85 172 705 982 266 228 195 143 102 90
13 85 78 85 175 716 972 255 230 195 150 99 90
14 85 78 86 182 759 941 244 232 192 150 97 89
15 85 78 87 194 799 909 234 231 192 150 96 91
16 84 78 88 200 856 886 229 230 191 152 96 93
17 83 78 89 203 904 864 224 229 189 147 98 91
18 80 78 89 205 957 830 218 229 185 143 99 87
19 79 78 90 213 1,010 805 211 229 180 138 100 85
20 79 78 90 226 1,070 780 205 229 176 132 98 84
21 78 78 91 242 1,080 748 201 228 172 133 98 86
22 78 79 95 251 1,080 718 199 230 168 137 98 87
23 78 79 98 265 1,100 685 198 233 164 140 98 87
24 78 79 98 279 1,130 654 197 229 163 140 97 86
25 78 80 101 296 1,160 622 196 226 162 137 97 85
26 78 83 104 303 1,200 586 193 226 157 133 95 85
27 78 84 107 308 1,230 555 198 225 154 132 94 84
28 78 85 109 313 1,240 525 203 223 153 130 90 85
29 78 86 113 313 1,250 501 203 223 149 128 89 85
30 78   115 316 1,250 475 208 223 147 126 89 85
31 78   118   1,220   211 222   125   84