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USGS Daily Statistics for Montana

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Questions or concerns about USGS streamflow data in Montana and Wyoming 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 06025500 Big Hole River near Melrose MT


Madison County, Montana
Hydrologic Unit Code 10020004
Latitude  45°31'35.69", Longitude 112°42'06.21" NAD83
Drainage area 2,472  square miles
Gage datum 5,032.87 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 1923-10-01 -> 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
1 356 349 371 784 2,120 4,500 2,300 653 337 433 528 433
2 357 356 368 819 2,120 4,510 2,180 630 334 436 524 441
3 359 352 370 818 2,140 4,510 2,070 613 330 442 528 440
4 358 351 374 853 2,220 4,600 1,980 594 327 447 535 434
5 355 353 372 900 2,280 4,610 1,900 572 325 450 531 415
6 351 356 379 948 2,350 4,680 1,790 551 326 455 531 407
7 351 362 384 1,010 2,430 4,720 1,690 530 327 457 529 401
8 359 368 390 1,080 2,550 4,730 1,620 509 329 461 532 390
9 358 371 396 1,150 2,660 4,700 1,580 489 339 462 533 391
10 356 370 403 1,210 2,730 4,610 1,520 472 341 466 524 395
11 354 371 413 1,280 2,780 4,490 1,470 459 340 470 516 400
12 355 368 425 1,350 2,810 4,330 1,430 449 343 475 507 399
13 354 361 435 1,400 2,860 4,240 1,360 437 344 480 503 394
14 357 360 447 1,460 2,950 4,150 1,290 429 345 487 503 391
15 356 362 457 1,520 3,040 4,030 1,230 422 344 494 501 390
16 353 363 488 1,570 3,170 3,960 1,160 414 347 500 490 386
17 350 363 511 1,610 3,310 3,940 1,100 403 352 501 495 381
18 349 365 518 1,710 3,440 3,890 1,050 391 360 503 497 371
19 349 363 523 1,740 3,530 3,800 1,000 382 369 502 484 367
20 347 365 537 1,770 3,670 3,620 976 373 382 504 470 369
21 344 366 550 1,820 3,810 3,530 938 369 388 511 464 373
22 344 367 556 1,840 3,910 3,420 905 371 392 519 447 372
23 347 366 569 1,910 3,960 3,290 866 371 394 524 437 381
24 347 365 572 1,980 4,020 3,140 821 379 396 527 445 377
25 347 367 575 2,020 4,110 2,990 782 376 397 527 462 374
26 348 372 585 2,030 4,190 2,850 755 368 400 531 460 370
27 347 373 602 2,000 4,300 2,740 733 361 402 534 445 377
28 344 371 655 1,990 4,330 2,640 710 352 407 530 440 372
29 342 369 698 2,030 4,420 2,520 689 345 416 527 438 362
30 344   713 2,060 4,480 2,430 674 340 421 524 430 361
31 348   736   4,500   670 338   525   359