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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 12350250 Bitterroot River at Bell Crossing nr Victor MT


Ravalli County, Montana
Hydrologic Unit Code 17010205
Latitude  46°26'35.52", Longitude 114°07'25.56" NAD83
Drainage area 1,944  square miles
Gage datum 3,330 feet above NAVD88
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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 1986-10-01 -> 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
1 469 504 575 1,140 2,800 6,860 3,050 430 384 458 1,080 777
2 350 489 650 1,180 2,710 6,780 2,820 415 383 443 941 904
3 300 469 666 1,210 2,720 7,050 2,680 403 373 438 869 1,140
4 330 469 671 1,260 2,830 7,360 2,600 393 366 459 821 1,020
5 450 470 656 1,350 3,080 7,450 2,380 390 364 449 827 1,160
6 530 477 700 1,410 3,500 7,360 2,160 388 366 435 846 1,420
7 565 468 721 1,420 3,950 7,210 2,000 386 368 431 820 1,200
8 573 461 678 1,520 4,150 6,950 1,830 388 371 437 820 1,070
9 574 459 675 1,580 4,170 6,540 1,690 379 373 442 1,020 866
10 596 457 757 1,600 4,110 6,360 1,590 370 375 432 990 839
11 521 430 789 1,590 4,120 6,120 1,480 365 378 430 901 913
12 450 428 762 1,640 4,120 5,780 1,360 363 377 454 1,190 888
13 400 452 741 1,680 4,490 5,710 1,280 364 385 466 1,110 838
14 450 453 750 1,710 4,670 5,660 1,200 363 389 485 1,130 722
15 485 443 853 1,800 4,810 5,320 1,090 363 392 488 1,390 729
16 490 439 1,100 1,750 5,140 5,310 993 365 393 493 1,380 730
17 460 447 1,140 1,700 5,700 5,300 917 381 395 584 1,300 724
18 504 447 1,090 1,690 5,840 5,130 866 386 400 627 1,210 695
19 499 431 1,120 1,760 5,810 4,890 812 379 407 652 1,200 572
20 467 440 1,120 1,920 5,730 4,580 755 376 410 650 1,110 539
21 459 428 1,080 2,150 5,600 4,340 686 384 410 603 1,130 648
22 460 420 1,080 2,450 5,590 4,270 633 395 410 580 1,120 682
23 453 431 1,070 2,650 5,590 4,190 603 402 416 605 1,050 662
24 494 423 1,070 2,700 5,640 4,030 576 410 421 591 1,040 631
25 515 409 1,080 2,720 5,700 3,780 544 410 416 572 1,240 611
26 560 413 1,100 2,670 5,800 3,630 519 417 412 572 1,400 566
27 538 406 1,100 2,680 6,130 3,590 497 410 411 631 1,210 588
28 492 550 1,130 2,620 6,100 3,450 480 402 417 624 1,140 580
29 486   1,180 2,590 6,260 3,350 460 392 419 632 1,370 513
30 476   1,230 2,640 6,500 3,300 443 383 439 688 2,930 485
31 482   1,270   6,520   437 381   669   495