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


Page Loading - Please Wait...

Click to hideNews Bulletins
  • Have your voice heard. Have a few minutes? We're surveying users about their experience with Water Data for the Nation (WDFN). Please take a few minutes to complete our online survey.
  • See the Water Data for the Nation Blog for the latest news and updates.

USGS Daily Statistics for the Nation

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 12370000 Swan River near Bigfork, MT


Lake County, Montana
Hydrologic Unit Code 17010211
Latitude  48°01'27.23", Longitude 113°58'43.75" NAD83
Drainage area 672  square miles
Gage datum 3,062.6 feet above NGVD29
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 1921-10-01 -> 2022-09-30)

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
1 513 484 522 973 2,060 3,510 2,570 915 560 507 584 601
2 506 491 521 1,010 2,100 3,540 2,520 892 557 506 585 598
3 501 496 521 1,050 2,120 3,560 2,440 870 552 507 585 600
4 499 493 522 1,080 2,150 3,610 2,370 850 547 507 588 604
5 496 490 524 1,100 2,200 3,650 2,300 829 541 506 592 604
6 494 488 526 1,140 2,260 3,660 2,230 808 536 507 598 597
7 493 487 530 1,180 2,320 3,670 2,160 788 532 505 603 590
8 496 485 534 1,230 2,380 3,660 2,080 770 530 506 607 582
9 499 488 539 1,260 2,420 3,650 2,000 751 530 508 614 571
10 501 496 545 1,300 2,460 3,610 1,930 733 528 509 614 561
11 502 504 552 1,330 2,490 3,550 1,870 717 525 511 613 559
12 501 511 560 1,360 2,530 3,460 1,800 702 523 517 618 561
13 498 514 572 1,400 2,570 3,400 1,730 690 520 523 623 562
14 498 513 584 1,450 2,630 3,360 1,670 677 517 529 627 559
15 498 513 599 1,510 2,710 3,350 1,620 671 516 531 627 555
16 500 512 622 1,540 2,770 3,340 1,570 664 516 537 621 552
17 504 513 656 1,580 2,860 3,350 1,510 655 516 541 613 549
18 512 513 682 1,620 2,950 3,350 1,460 644 519 548 607 543
19 513 512 702 1,660 3,030 3,300 1,400 635 521 555 603 536
20 511 514 720 1,710 3,090 3,250 1,360 623 526 560 596 533
21 507 518 732 1,770 3,140 3,180 1,310 616 529 564 592 531
22 505 523 744 1,820 3,200 3,120 1,270 608 530 571 591 534
23 504 527 754 1,860 3,270 3,070 1,220 605 529 576 586 545
24 502 526 773 1,890 3,320 3,040 1,180 601 526 578 589 561
25 501 521 790 1,930 3,370 3,000 1,130 596 523 576 603 564
26 499 518 805 1,970 3,420 2,940 1,100 593 519 579 619 555
27 495 517 822 1,990 3,490 2,870 1,060 588 518 584 624 550
28 491 518 844 2,000 3,530 2,790 1,030 583 516 586 618 546
29 486 510 872 2,020 3,520 2,700 994 576 512 586 611 537
30 482   899 2,040 3,510 2,630 966 569 510 584 604 529
31 481   934   3,510   938 565   583   522