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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.


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 12302055 Fisher River near Libby MT


Lincoln County, Montana
Hydrologic Unit Code 17010102
Latitude  48°21'20.17", Longitude 115°18'52.74" NAD83
Drainage area 842  square miles
Gage datum 2,134.1 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 1967-10-01 -> 2021-09-30)

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
1 181 278 360 837 1,330 1,160 449 161 112 115 173 265
2 188 272 346 844 1,310 1,120 436 158 112 116 174 253
3 190 258 347 857 1,330 1,090 415 156 112 115 184 260
4 194 248 360 864 1,360 1,050 398 153 111 116 195 277
5 191 248 366 881 1,380 1,020 380 150 109 116 205 308
6 188 247 379 942 1,400 993 364 147 109 116 196 273
7 191 252 396 1,010 1,420 963 350 144 110 116 221 243
8 207 283 407 1,040 1,410 933 336 142 108 116 211 224
9 218 397 411 1,070 1,400 910 322 139 108 117 212 234
10 238 391 449 1,090 1,390 859 316 136 108 116 211 240
11 232 332 461 1,100 1,390 818 306 133 107 120 220 238
12 215 308 491 1,120 1,370 798 295 131 107 126 252 240
13 212 292 535 1,140 1,390 801 287 130 107 124 231 237
14 220 286 540 1,200 1,390 805 284 129 106 125 214 241
15 254 283 559 1,230 1,430 793 273 128 106 128 202 239
16 371 298 629 1,180 1,470 782 261 128 108 132 203 229
17 383 310 648 1,170 1,490 771 250 126 110 135 203 224
18 342 309 645 1,190 1,470 743 243 124 115 131 201 218
19 304 318 681 1,190 1,420 709 237 122 121 129 197 208
20 286 357 685 1,210 1,370 679 229 120 117 129 193 197
21 273 394 690 1,290 1,320 668 222 120 118 132 206 194
22 259 379 670 1,320 1,320 653 214 119 115 133 203 194
23 246 390 669 1,350 1,320 633 207 119 113 136 211 195
24 236 365 677 1,440 1,300 605 201 119 112 135 244 191
25 233 368 685 1,490 1,290 578 197 119 112 145 306 189
26 226 365 700 1,440 1,290 550 191 119 113 151 290 204
27 222 354 720 1,410 1,280 526 185 117 111 152 247 237
28 218 358 723 1,420 1,250 503 180 115 111 154 226 214
29 216 484 733 1,390 1,200 482 174 113 111 153 251 195
30 224   748 1,350 1,200 472 170 113 112 151 293 189
31 264   801   1,190   166 112   161   186