Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Montana

Click to hide state-specific text

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 12359800 S F Flathead R ab Twin C nr Hungry Horse MT


Flathead County, Montana
Hydrologic Unit Code 17010209
Latitude  47°58'44.75", Longitude 113°33'38.46" NAD83
Drainage area 1,159  square miles
Gage datum 3,575 feet above NAVD88
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 1964-10-01 -> 2024-09-30)

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
1 479 832 474 1,280 4,860 9,820 4,990 1,040 533 536 632 468
2 446 771 467 1,300 5,030 9,810 4,670 1,010 526 528 638 507
3 436 674 467 1,310 5,200 10,200 4,460 977 514 521 646 567
4 427 601 463 1,350 5,480 10,200 4,330 941 501 509 656 604
5 423 551 472 1,410 5,750 10,200 4,170 904 496 497 673 587
6 424 514 502 1,500 6,060 10,400 3,970 873 497 486 657 547
7 425 487 504 1,580 6,300 10,300 3,750 848 500 479 640 514
8 422 471 504 1,660 6,310 9,850 3,540 825 497 479 899 488
9 424 452 506 1,790 6,350 9,500 3,320 798 513 487 796 478
10 415 451 511 1,940 6,440 9,080 3,110 770 514 493 621 494
11 397 451 509 2,030 6,530 8,610 2,930 748 503 500 603 511
12 394 453 504 2,120 6,620 8,170 2,780 725 511 512 670 488
13 402 465 507 2,220 6,970 8,180 2,650 710 524 517 740 443
14 423 479 517 2,310 7,490 8,220 2,570 694 507 524 723 430
15 459 484 518 2,360 7,760 8,050 2,410 684 511 535 702 441
16 546 491 526 2,290 8,260 8,050 2,250 682 522 539 695 433
17 652 501 573 2,280 8,830 7,960 2,120 673 525 561 688 457
18 618 494 613 2,350 9,110 7,820 2,000 656 558 555 658 461
19 575 485 625 2,400 9,150 7,590 1,910 636 587 545 632 461
20 542 486 607 2,560 9,180 7,420 1,820 622 571 548 608 454
21 519 492 601 2,850 9,230 7,220 1,710 617 564 557 605 457
22 508 521 596 3,150 9,510 7,190 1,610 606 564 565 591 483
23 494 509 629 3,510 9,560 7,080 1,530 596 557 566 568 514
24 478 502 662 3,830 9,510 6,790 1,450 595 548 562 584 531
25 475 492 664 4,040 9,520 6,440 1,390 588 542 565 647 529
26 467 485 660 4,020 9,780 6,100 1,330 575 542 584 646 563
27 458 476 827 4,030 9,960 5,790 1,270 560 536 589 597 693
28 449 474 873 4,090 10,100 5,500 1,220 550 527 609 568 680
29 449 538 905 4,320 10,100 5,350 1,170 547 512 643 564 598
30 484   979 4,610 10,200 5,290 1,130 540 507 647 615 545
31 727   1,030   9,970   1,080 536   618   513