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USGS 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 -> 2024-09-30)

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
1 180 273 360 838 1,330 1,140 442 158 111 113 171 262
2 186 267 364 842 1,320 1,110 428 155 110 115 171 252
3 188 255 376 852 1,340 1,080 409 153 110 113 181 258
4 192 246 386 857 1,360 1,050 394 150 109 114 191 274
5 189 246 383 872 1,380 1,020 376 147 108 114 203 303
6 186 244 390 930 1,420 991 359 145 107 114 195 273
7 190 249 402 994 1,440 957 346 142 108 113 218 246
8 205 278 411 1,030 1,430 925 333 140 106 113 208 226
9 215 386 413 1,050 1,400 900 318 137 106 115 208 233
10 234 380 448 1,080 1,380 854 311 134 106 114 207 238
11 228 324 459 1,090 1,370 821 302 131 105 117 215 235
12 212 301 487 1,110 1,350 806 290 129 106 124 245 238
13 209 286 529 1,130 1,360 803 283 128 106 122 231 234
14 217 280 533 1,160 1,370 807 280 127 104 123 217 238
15 250 277 553 1,190 1,400 811 268 126 104 125 211 235
16 360 290 622 1,150 1,450 802 257 126 106 129 209 225
17 372 302 640 1,140 1,470 784 246 124 108 132 205 219
18 334 301 637 1,160 1,450 752 239 123 113 128 201 214
19 298 310 673 1,160 1,410 712 233 120 119 126 196 204
20 281 350 677 1,180 1,350 678 225 118 115 126 191 194
21 269 387 682 1,250 1,300 664 218 118 115 129 204 190
22 255 371 662 1,280 1,290 647 210 118 113 130 201 191
23 243 380 661 1,310 1,290 627 203 118 111 133 208 193
24 234 357 671 1,390 1,280 599 197 117 110 132 239 190
25 231 360 683 1,440 1,290 570 193 117 110 142 297 188
26 224 357 699 1,390 1,290 542 188 118 110 148 282 203
27 219 347 719 1,370 1,280 518 182 115 109 148 241 234
28 216 351 725 1,380 1,250 496 176 113 109 151 222 214
29 213 484 740 1,360 1,200 476 171 112 109 155 247 197
30 221   758 1,330 1,190 465 167 111 110 156 288 190
31 260   807   1,170   163 111   161   187