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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 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 -> 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
1 182 281 368 858 1,330 1,150 450 162 113 116 176 270
2 188 272 354 865 1,310 1,120 436 159 113 118 176 257
3 190 257 355 878 1,330 1,090 416 157 113 116 187 264
4 194 248 368 885 1,360 1,050 400 154 112 117 198 283
5 191 248 374 900 1,380 1,020 381 151 110 118 208 316
6 188 247 388 962 1,410 995 365 148 110 117 195 279
7 192 253 405 1,030 1,430 964 351 145 111 117 221 248
8 207 286 416 1,070 1,420 936 337 143 109 117 212 228
9 218 405 421 1,090 1,410 914 323 140 109 117 214 238
10 241 399 460 1,120 1,400 863 317 137 109 117 214 245
11 234 339 473 1,130 1,400 822 308 134 108 121 224 242
12 217 314 503 1,150 1,380 800 296 132 108 127 257 245
13 211 298 549 1,170 1,390 802 288 131 108 125 235 242
14 217 291 554 1,210 1,400 808 286 130 107 126 217 246
15 254 288 575 1,240 1,430 797 275 129 107 129 205 244
16 375 302 647 1,200 1,480 786 263 129 109 133 206 233
17 389 316 667 1,190 1,500 776 252 127 111 137 205 228
18 347 314 662 1,210 1,470 747 244 125 116 131 201 222
19 308 324 699 1,200 1,430 712 238 123 122 129 195 211
20 290 365 702 1,230 1,370 682 230 121 118 129 191 200
21 277 404 707 1,310 1,310 670 223 121 118 132 206 195
22 262 388 686 1,330 1,310 655 215 120 116 134 203 195
23 250 398 685 1,360 1,320 636 208 120 114 136 212 196
24 239 373 693 1,450 1,300 608 202 120 113 136 247 192
25 236 376 702 1,500 1,290 580 198 120 113 147 311 190
26 228 373 717 1,440 1,290 552 192 120 114 153 295 206
27 223 362 738 1,410 1,280 528 186 118 113 153 251 240
28 220 366 742 1,420 1,250 505 181 115 112 156 229 216
29 218 509 751 1,390 1,200 485 175 114 112 155 256 197
30 226   766 1,350 1,190 474 171 114 113 153 300 190
31 268   820   1,180   167 113   163   188