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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 06208500 Clarks Fork Yellowstone River at Edgar MT


Carbon County, Montana
Hydrologic Unit Code 10070006
Latitude  45°27'56.57", Longitude 108°50'38.78" NAD83
Drainage area 2,045  square miles
Gage datum 3,460 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 1920-10-01 -> 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
1 374 349 363 385 935 3,800 3,410 916 420 540 548 479
2 376 354 357 392 962 3,820 3,320 873 423 527 548 480
3 378 358 353 395 979 3,810 3,210 860 408 529 538 482
4 379 362 354 394 1,020 3,970 3,170 831 412 535 544 469
5 379 368 354 405 1,080 4,120 3,130 795 404 565 546 455
6 378 361 362 408 1,160 4,400 3,020 746 393 559 548 444
7 380 355 370 411 1,290 4,590 2,880 706 424 559 545 438
8 380 357 381 421 1,410 4,570 2,750 668 441 561 545 435
9 378 355 387 438 1,440 4,440 2,600 639 399 564 547 434
10 378 363 383 451 1,480 4,310 2,470 607 409 559 540 431
11 372 373 388 454 1,540 4,270 2,410 591 429 559 538 431
12 366 364 387 460 1,620 4,210 2,370 586 434 566 536 434
13 367 362 379 472 1,660 4,250 2,260 577 431 564 531 431
14 365 357 379 485 1,740 4,460 2,140 550 435 560 534 427
15 365 355 379 511 1,880 4,370 2,040 539 440 557 531 420
16 352 356 379 529 2,000 4,440 1,950 530 458 560 528 415
17 351 360 397 539 2,190 4,500 1,820 517 456 569 522 407
18 351 359 383 562 2,360 4,380 1,740 488 454 567 524 401
19 353 357 378 591 2,480 4,300 1,640 474 504 562 518 401
20 355 358 377 619 2,600 4,270 1,570 471 491 563 518 402
21 356 359 375 636 2,750 4,180 1,490 503 502 564 507 406
22 355 355 372 677 2,870 4,140 1,400 488 522 561 502 404
23 356 353 382 721 2,920 4,180 1,310 487 511 556 495 405
24 350 349 398 748 3,020 4,090 1,240 466 508 552 500 398
25 349 353 393 746 3,150 4,030 1,190 444 508 551 505 395
26 350 355 380 788 3,220 3,970 1,150 434 507 555 503 391
27 355 359 381 793 3,290 3,970 1,100 436 508 548 499 382
28 358 363 383 812 3,420 3,820 1,050 423 513 549 486 379
29 356 353 384 854 3,610 3,640 1,010 415 513 543 482 383
30 354   381 873 3,750 3,520 987 413 525 549 475 379
31 352   379   3,770   966 405   547   376