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USGS Daily Statistics for Montana

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


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 06025250 Big Hole River at Maiden Rock nr Divide MT


Beaverhead County, Montana
Hydrologic Unit Code 10020004
Latitude  45°42'04.57", Longitude 112°44'09.49" NAD83
Drainage area 2,199  square miles
Gage datum 5,300 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 1997-10-01 -> 2023-09-30)

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     330 886 1,950 4,270 2,120 535 300 373 522  
2     339 912 1,920 4,270 1,970 524 299 383 374  
3     342 886 1,920 4,290 1,860 503 291 376 345  
4     349 878 1,950 4,320 1,780 484 287 374    
5     350 926 2,030 4,420 1,680 470 291 378    
6     354 956 2,130 4,400 1,560 463 300 381    
7     355 982 2,330 4,390 1,470 461 302 383    
8     359 1,020 2,480 4,360 1,400 467 298 383    
9     356 1,100 2,550 4,190 1,340 456 300 382    
10     373 1,260 2,550 4,020 1,280 438 320 378    
11     402 1,340 2,540 3,780 1,240 425 320 382    
12     412 1,360 2,500 3,590 1,180 414 309 389    
13     433 1,360 2,550 3,500 1,150 400 302 400    
14     466 1,350 2,590 3,450 1,120 392 296 419    
15     516 1,320 2,670 3,420 1,090 386 295 419    
16     589 1,250 2,820 3,400 1,050 381 299 420    
17     623 1,240 3,030 3,550 1,020 367 304 426    
18     625 1,330 3,230 3,670 945 350 307 428    
19     632 1,500 3,410 3,720 877 335 309 431    
20   476 696 1,630 3,630 3,510 818 324 314 434    
21   439 714 1,740 3,690 3,290 800 323 318 437    
22   445 685 1,900 3,750 3,150 760 326 319 438    
23   419 685 2,020 3,840 3,080 714 330 320 441    
24   398 666 2,030 3,920 2,950 686 335 323 441    
25   410 655 2,010 4,060 2,790 654 326 323 438    
26   405 660 1,960 4,060 2,660 619 322 327 438    
27   402 674 1,960 4,130 2,510 603 315 328 446    
28   374 703 1,960 4,150 2,380 600 309 326 438    
29   431 707 1,990 4,210 2,300 585 304 328 427    
30     733 1,960 4,220 2,220 567 300 346 437    
31     807   4,240   549 297   466