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USGS Daily Statistics for Idaho

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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 -> 2025-09-30)

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
1 179 269 360 831 1,310 1,130 438 157 110 112 169 259
2 185 264 364 834 1,300 1,090 424 154 109 114 170 249
3 187 252 375 844 1,320 1,070 406 152 109 112 180 255
4 191 243 385 851 1,340 1,040 391 149 108 113 189 270
5 188 243 381 867 1,360 1,010 372 146 107 114 201 299
6 185 241 388 925 1,400 983 356 144 106 113 194 270
7 189 246 399 988 1,420 949 342 141 107 113 216 243
8 204 274 408 1,020 1,410 917 330 139 106 113 206 223
9 213 380 410 1,040 1,380 893 315 136 105 114 206 231
10 232 374 444 1,070 1,370 847 308 133 105 113 205 236
11 226 319 455 1,080 1,360 815 299 130 104 116 213 233
12 210 301 483 1,100 1,340 799 287 128 106 123 242 235
13 207 286 524 1,120 1,350 795 280 127 105 121 229 232
14 214 280 528 1,160 1,360 799 277 126 104 122 214 235
15 247 277 547 1,190 1,390 803 266 125 104 124 209 232
16 355 290 615 1,140 1,430 794 254 125 105 128 207 222
17 367 302 634 1,140 1,460 775 244 123 107 131 203 217
18 329 301 631 1,150 1,440 744 236 122 112 127 199 212
19 294 310 666 1,150 1,390 705 230 119 118 125 194 203
20 277 347 673 1,170 1,330 671 223 117 114 125 190 193
21 265 383 680 1,240 1,280 657 216 117 115 128 202 189
22 252 368 662 1,270 1,280 640 208 117 112 129 199 189
23 240 377 661 1,290 1,280 621 201 117 111 132 206 191
24 231 354 672 1,380 1,270 593 195 116 109 131 237 189
25 228 357 682 1,430 1,270 564 191 116 109 141 293 187
26 221 355 696 1,380 1,270 536 186 117 110 146 279 201
27 217 346 715 1,350 1,260 513 180 114 109 147 239 232
28 213 350 721 1,370 1,230 491 175 112 108 149 220 213
29 211 470 735 1,350 1,180 472 169 111 109 154 245 196
30 219   752 1,320 1,170 461 165 110 110 155 284 189
31 257   800   1,160   161 110   159   186