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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 06026210 Big Hole River near Glen MT


Madison County, Montana
Hydrologic Unit Code 10020004
Latitude  45°26'24.34", Longitude 112°33'21.93" NAD83
Drainage area 2,668  square miles
Gage datum 4,850 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 -> 2025-09-30)

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
1 346 344 478 849 1,900 4,080 2,020 447 267 414 524 365
2 346 345 481 927 1,900 4,080 1,890 433 267 428 514 380
3 342 346 489 899 1,920 4,040 1,770 416 266 430 550 391
4 356 347 497 901 1,960 4,020 1,690 405 268 430 564 405
5 361 348 490 957 2,010 4,040 1,610 394 268 436 574 423
6 352 349 497 981 2,060 4,070 1,500 384 279 446 577 407
7 363 351 493 986 2,150 4,030 1,390 379 284 450 532 412
8 354 351 498 1,000 2,270 4,080 1,320 385 284 453 518 416
9 357 352 493 1,060 2,320 4,020 1,260 381 285 457 508 407
10 356 352 465 1,180 2,320 3,940 1,200 367 296 456 483 391
11 357 349 483 1,290 2,320 3,840 1,150 358 303 461 484 404
12 349 348 504 1,350 2,290 3,640 1,100 346 300 466 490 405
13 323 347 517 1,370 2,310 3,450 1,070 335 296 470 479 389
14 322 344 552 1,390 2,360 3,340 1,030 326 296 482 459 376
15 327 336 581 1,400 2,430 3,230 1,000 316 297 490 450 364
16 324 325 643 1,370 2,570 3,150 957 310 302 492 437 360
17 325 310 694 1,310 2,790 3,230 921 303 308 496 436 356
18 324 308 705 1,310 3,000 3,320 865 294 316 499 424 359
19 321 310 729 1,380 3,160 3,410 805 284 324 503 416 374
20 327 314 779 1,490 3,380 3,290 748 277 332 509 408 377
21 328 319 783 1,540 3,510 3,100 719 274 343 514 392 380
22 325 320 743 1,660 3,570 2,920 678 279 351 515 379 382
23 320 324 723 1,800 3,620 2,840 633 284 356 515 419 393
24 320 329 713 1,850 3,660 2,730 601 293 364 517 434 368
25 322 336 692 1,850 3,800 2,580 572 292 368 515 368 348
26 326 342 695 1,820 3,820 2,460 550 287 374 510 327 333
27 331 337 710 1,820 3,880 2,350 525 282 375 520 362 333
28 335 417 740 1,820 3,910 2,230 513 277 373 518 379 346
29 338 348 750 1,850 4,000 2,160 497 274 374 511 377 350
30 340   754 1,880 4,040 2,100 480 271 384 511 365 350
31 342   788   4,050   462 270   533   348