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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).

Updated June 11, 2020 - USGS water-resources monitoring activities will be restored at the following sites:
  • 12323600 Silver Bow Creek at Opportunity, Montana (POR: 31 years)
  • 12323750 Silver Bow Creek at Warm Springs, Montana (POR: 35 years)

Updated May 12, 2020 - USGS water-resources monitoring activities were suspended effective June 1, 2020 at the following site:
  • 06088500 Muddy Creek near Vaughn, Montana (POR: 82 years)
USGS monitoring activities at this site was funded by our partner and USGS Cooperative Matching Funds (06088500). Lack of partner funding for this site resulted in suspension of all USGS monitoring activities. Efforts are ongoing to secure funding for future monitoring. Historical data will continue to be available from USGS.

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 -> 2020-09-30)

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
1 182 280 364 858 1,330 1,150 450 162 113 115 174 267
2 189 274 350 865 1,310 1,120 436 159 113 117 175 255
3 190 259 351 878 1,330 1,090 416 157 113 116 186 262
4 194 249 364 885 1,360 1,050 400 154 112 117 197 280
5 191 250 370 900 1,380 1,020 381 151 110 117 206 312
6 188 249 384 962 1,410 995 365 148 110 117 194 276
7 192 254 400 1,030 1,430 964 351 145 111 117 219 246
8 208 285 412 1,070 1,420 936 337 143 109 117 210 226
9 219 402 416 1,090 1,410 914 323 140 109 117 212 235
10 240 396 460 1,120 1,400 863 317 137 109 117 212 242
11 233 337 473 1,130 1,400 822 308 134 108 120 221 239
12 216 312 503 1,150 1,380 800 296 132 108 127 254 242
13 211 296 549 1,170 1,390 802 288 131 108 125 232 239
14 216 289 554 1,210 1,400 808 286 130 107 126 215 244
15 252 286 575 1,240 1,430 797 275 129 107 128 203 241
16 371 300 647 1,200 1,480 786 263 129 109 133 204 231
17 384 313 667 1,190 1,500 776 252 127 111 136 203 226
18 343 311 662 1,210 1,470 747 244 125 116 131 200 220
19 305 321 699 1,200 1,430 712 238 123 122 129 194 209
20 287 361 702 1,230 1,370 682 230 121 118 129 190 198
21 274 399 707 1,310 1,310 670 223 121 118 132 204 195
22 259 383 686 1,330 1,310 655 215 120 116 133 202 195
23 247 394 685 1,360 1,320 636 208 120 114 136 210 195
24 237 369 693 1,450 1,300 608 202 120 113 136 245 192
25 235 372 702 1,500 1,290 580 198 120 113 146 307 190
26 227 369 717 1,440 1,290 552 192 120 113 152 292 205
27 223 358 738 1,410 1,280 528 186 118 112 153 248 239
28 219 362 742 1,420 1,250 505 181 115 111 155 227 215
29 217 484 751 1,390 1,200 485 175 114 112 154 253 196
30 225   766 1,350 1,190 474 171 114 113 152 296 189
31 266   820   1,180   167 113   162   187