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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 September 21, 2018 - USGS water-resources monitoring will continue with partner funds and USGS Cooperative Matching Funds at the following site: USGS water-resources monitoring will be discontinued at the following sites effective October 1, 2018:
  • 06024540 Big Hole R bel Mudd Cr nr Wisdom, MT (seasonal water temperature)
  • 06308400 Pumpkin Cr nr Miles City, MT (annual streamflow, water temperature, and sampling)
USGS monitoring activities at these sites were funded by partner agencies. Lack of partner funding for these sites resulted in discontinuation of all streamgaging activities.

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 12344000 Bitterroot River near Darby MT


Ravalli County, Montana
Hydrologic Unit Code 17010205
Latitude  45°58'19.38", Longitude 114°08'28.44" NAD83
Drainage area 1,050  square miles
Gage datum 3,942.14 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 1936-10-01 -> 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
1 243 267 285 556 1,620 3,800 1,750 509 386 330 335 299
2 243 266 285 580 1,670 3,770 1,670 498 382 334 337 310
3 244 261 291 587 1,760 3,840 1,610 487 376 334 334 311
4 241 260 292 600 1,870 3,840 1,550 476 370 332 334 300
5 248 259 293 625 1,970 3,840 1,480 468 366 328 331 282
6 253 254 302 659 2,050 3,850 1,400 459 373 328 328 278
7 257 262 300 693 2,150 3,790 1,350 453 375 329 359 274
8 262 274 303 718 2,270 3,690 1,270 442 377 326 366 269
9 257 283 308 737 2,350 3,560 1,210 433 375 331 334 266
10 253 283 326 759 2,440 3,430 1,160 429 365 332 328 275
11 251 279 329 779 2,540 3,300 1,110 426 360 334 320 280
12 247 274 330 808 2,580 3,210 1,050 428 355 344 313 281
13 252 271 340 843 2,650 3,250 1,000 427 358 347 321 288
14 255 270 345 893 2,750 3,160 958 426 353 345 310 288
15 257 267 351 943 2,860 3,110 903 420 359 344 303 287
16 257 269 366 963 3,020 3,060 857 417 359 350 303 283
17 261 271 375 995 3,180 3,010 818 410 358 347 302 274
18 256 270 378 1,050 3,290 2,900 784 406 359 338 304 267
19 254 271 385 1,110 3,410 2,820 749 404 356 333 302 264
20 250 279 388 1,170 3,520 2,760 720 407 354 330 301 262
21 245 282 397 1,220 3,540 2,670 687 404 353 329 298 267
22 248 285 412 1,280 3,520 2,590 659 402 348 340 291 268
23 249 278 433 1,320 3,570 2,480 631 413 345 357 297 274
24 250 279 440 1,370 3,690 2,400 603 413 340 348 318 268
25 247 281 445 1,390 3,730 2,300 588 403 334 350 314 259
26 241 287 461 1,400 3,820 2,200 567 399 331 352 309 261
27 244 286 468 1,420 3,900 2,110 550 393 326 343 301 263
28 241 285 473 1,460 3,940 1,990 545 387 325 343 294 257
29 242 313 484 1,520 3,990 1,920 533 385 323 343 289 256
30 244   502 1,580 3,990 1,850 525 382 324 334 297 255
31 255   527   3,890   524 383   335   252