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USGS Daily Statistics for the Nation

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 76 - 77 years of record in, ft3/s   (Calculation Period 1940-10-01 -> 2018-09-30)

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 85 125 320 1,180 448 210 222 145 126 90
2 83 78 88 130 354 1,150 424 209 220 146 128 90
3 83 77 90 132 392 1,170 406 210 218 145 125 88
4 85 77 90 136 425 1,180 387 212 214 142 126 87
5 86 77 90 137 439 1,170 367 212 213 139 125 86
6 82 77 89 139 443 1,170 347 214 215 141 122 86
7 83 77 89 141 462 1,150 328 212 214 141 119 86
8 83 77 89 142 497 1,130 308 211 211 143 115 87
9 84 77 90 150 523 1,100 297 214 209 147 112 89
10 84 77 89 155 596 1,040 287 216 204 145 109 91
11 84 77 86 166 654 1,000 275 219 197 142 107 91
12 84 78 85 170 678 990 265 226 192 144 102 90
13 85 78 85 174 692 980 254 229 193 151 99 90
14 84 78 86 181 735 948 244 230 190 151 97 89
15 85 78 87 193 773 917 234 229 189 151 96 91
16 84 78 88 199 829 894 228 228 189 153 97 93
17 82 78 89 201 875 871 223 227 187 148 98 91
18 80 78 89 204 930 830 218 228 183 144 99 87
19 79 77 90 211 987 800 211 228 179 139 100 85
20 78 77 90 225 1,050 772 205 227 174 133 98 84
21 78 77 90 241 1,070 741 201 227 171 134 98 85
22 78 78 94 251 1,070 712 199 229 167 138 98 87
23 78 79 97 264 1,090 679 197 232 163 141 98 87
24 78 78 97 279 1,120 649 196 227 162 141 97 86
25 78 79 101 296 1,140 618 195 225 162 138 97 85
26 78 83 104 302 1,190 582 191 225 157 134 95 85
27 78 83 107 308 1,220 552 196 224 155 133 94 84
28 78 84 109 313 1,230 522 202 222 153 131 90 85
29 78 86 112 312 1,240 498 202 221 150 129 89 85
30 78   114 314 1,240 473 206 221 147 127 89 85
31 78   117   1,220   210 220   126   84