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USGS Daily Statistics for Wyoming

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Questions or concerns about USGS data and data products in Wyoming and Montana can be directed to the Wyoming-Montana Water Science Center Data Management Section.

UPDATED July 23, 2021: USGS current stream monitoring information will continue at the following sites with funding from partner agencies and USGS Cooperative Matching Funds:
  • 06298000 Tongue River near Dayton, WY - Funded through Sep 30, 2021
  • 06324970 Little Powder River above Dry Creek near Weston, WY - Funded through Sep 30, 2021

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 -> 2021-09-30)

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
1 410 378 412 498 651 2,430 4,690 2,990 1,510 919 672 533
2 409 377 413 500 663 2,540 4,680 2,930 1,480 909 666 530
3 406 376 415 503 677 2,640 4,670 2,860 1,450 899 661 526
4 405 377 416 505 693 2,750 4,660 2,790 1,420 887 656 522
5 402 377 417 506 710 2,860 4,640 2,730 1,400 878 650 516
6 400 377 419 511 732 2,980 4,610 2,670 1,370 867 645 510
7 399 377 422 514 756 3,100 4,580 2,610 1,350 859 641 504
8 399 377 425 516 783 3,220 4,540 2,540 1,320 849 636 498
9 398 377 427 518 815 3,340 4,510 2,480 1,300 839 631 491
10 398 379 429 521 847 3,450 4,460 2,430 1,280 832 626 488
11 398 380 435 526 882 3,540 4,410 2,370 1,250 824 621 484
12 398 382 437 528 917 3,630 4,370 2,320 1,230 814 616 481
13 397 384 439 530 955 3,710 4,320 2,270 1,210 805 610 477
14 396 385 442 532 991 3,810 4,260 2,220 1,190 797 604 474
15 395 385 444 536 1,030 3,890 4,200 2,170 1,170 789 600 470
16 392 388 448 539 1,080 3,980 4,130 2,120 1,150 782 595 464
17 392 388 451 542 1,130 4,070 4,060 2,070 1,130 774 591 462
18 391 390 454 545 1,200 4,150 3,990 2,020 1,120 766 587 458
19 391 392 456 549 1,260 4,230 3,920 1,980 1,100 759 584 453
20 390 393 458 555 1,320 4,290 3,850 1,940 1,080 753 580 450
21 389 396 463 562 1,390 4,350 3,770 1,900 1,070 744 575 445
22 388 397 466 566 1,470 4,410 3,700 1,860 1,050 737 569 442
23 388 398 470 573 1,560 4,460 3,630 1,820 1,040 731 564 438
24 388 399 473 580 1,640 4,520 3,560 1,780 1,020 724 561 435
25 387 402 476 589 1,720 4,560 3,490 1,740 1,010 717 557 434
26 386 405 479 599 1,810 4,600 3,410 1,710 995 710 552 432
27 385 406 482 608 1,900 4,640 3,330 1,670 981 704 548 430
28 383 407 484 617 2,010 4,670 3,270 1,640 968 697 543 425
29 381 427 486 627 2,110 4,680 3,200 1,610 959 691 540 422
30 381   489 637 2,210 4,690 3,130 1,570 948 685 536 420
31 381   490   2,320   3,060 1,550   678   418