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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS streamflow data in Wyoming and Montana can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

UPDATED October 1, 2019: USGS streamflow monitoring will continue at the following site effective October 1, 2019:
  • 09219200 Blacks Fork above Smiths Fork, near Lyman, WY (2018 to present)
USGS monitoring activities at this site will be funded by a partner agency. Partner funding for this site will result in continuation of streamflow monitoring activities. Questions or concerns can be directed to Kirk Miller (kmiller@usgs.gov; 307-775-9168).

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 06186500 Yellowstone River at Yellowstone Lk Outlet YNP


Teton County, Wyoming
Hydrologic Unit Code 10070001
Latitude  44°34'01.53", Longitude 110°22'49.46" NAD83
Drainage area 995  square miles
Gage datum 7,727.77 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 1926-10-01 -> 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
1 411 377 410 496 651 2,420 4,690 2,990 1,520 919 674 534
2 410 377 411 499 662 2,520 4,680 2,930 1,490 909 667 531
3 408 376 413 503 676 2,620 4,670 2,860 1,460 899 663 527
4 406 376 414 504 692 2,730 4,650 2,800 1,430 888 657 523
5 403 376 415 506 709 2,840 4,630 2,730 1,400 878 652 518
6 401 376 417 510 732 2,950 4,600 2,670 1,380 867 647 511
7 400 376 419 513 756 3,070 4,570 2,610 1,350 859 642 506
8 400 376 422 515 782 3,200 4,540 2,540 1,320 849 637 499
9 399 376 425 518 814 3,310 4,500 2,480 1,300 840 632 492
10 399 378 427 520 846 3,430 4,460 2,430 1,280 834 627 489
11 399 379 432 525 881 3,520 4,410 2,370 1,260 825 623 485
12 399 381 435 528 916 3,610 4,360 2,320 1,230 816 617 482
13 398 383 436 530 953 3,700 4,310 2,270 1,210 807 611 479
14 397 384 439 532 989 3,790 4,260 2,220 1,190 798 605 475
15 396 384 441 535 1,030 3,870 4,190 2,170 1,180 791 601 472
16 393 387 445 538 1,070 3,960 4,130 2,120 1,160 784 597 466
17 393 387 448 541 1,130 4,050 4,060 2,080 1,140 776 592 463
18 392 389 451 544 1,190 4,140 3,990 2,030 1,120 768 589 460
19 392 390 454 548 1,250 4,210 3,920 1,980 1,100 761 585 455
20 390 391 455 555 1,320 4,270 3,850 1,940 1,090 754 581 451
21 389 394 461 561 1,390 4,340 3,770 1,900 1,070 746 577 446
22 388 395 463 566 1,470 4,390 3,700 1,860 1,060 739 571 444
23 388 396 467 573 1,550 4,450 3,630 1,830 1,040 732 566 440
24 388 398 471 580 1,640 4,510 3,560 1,790 1,030 726 562 437
25 387 400 473 589 1,720 4,560 3,490 1,750 1,010 719 558 435
26 386 403 477 599 1,800 4,600 3,410 1,710 996 711 553 433
27 385 404 480 608 1,900 4,630 3,340 1,680 983 706 549 431
28 383 405 482 617 2,010 4,660 3,270 1,640 969 699 545 426
29 381 422 485 627 2,110 4,680 3,200 1,610 960 693 541 424
30 381   487 637 2,210 4,690 3,130 1,580 949 686 537 421
31 381   489   2,310   3,060 1,550   680   419