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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 06043500 Gallatin River near Gallatin Gateway, MT


Gallatin County, Montana
Hydrologic Unit Code 10020008
Latitude  45°29'50.28", Longitude 111°16'14.55" NAD83
Drainage area 819  square miles
Gage datum 5,167.67 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 87 - 89 years of record in, ft3/s   (Calculation Period 1888-10-01 -> 2018-09-30)

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
1 303 302 296 349 834 2,930 2,090 745 512 470 423 342
2 304 301 295 350 868 3,030 2,010 725 510 469 413 345
3 303 302 295 348 921 3,080 1,970 710 503 472 413 342
4 303 302 294 353 993 3,150 1,910 704 496 468 415 336
5 306 302 295 362 1,040 3,250 1,840 695 494 466 409 330
6 306 302 296 367 1,100 3,340 1,770 677 496 466 406 325
7 305 302 295 377 1,160 3,350 1,700 662 494 467 403 324
8 306 301 297 384 1,230 3,310 1,630 655 489 465 406 316
9 307 301 298 390 1,280 3,240 1,570 645 488 461 400 315
10 306 301 301 397 1,310 3,210 1,500 634 488 457 396 314
11 305 300 303 403 1,350 3,130 1,460 625 490 459 390 315
12 303 300 303 411 1,400 3,100 1,400 619 494 458 388 314
13 303 300 303 429 1,520 3,120 1,330 615 487 455 386 315
14 306 300 304 454 1,600 3,090 1,290 605 485 452 385 314
15 308 299 304 462 1,680 3,060 1,230 596 484 456 377 316
16 307 299 308 469 1,760 3,060 1,180 589 482 458 375 315
17 306 299 313 487 1,870 3,030 1,130 574 480 454 374 312
18 304 299 312 509 1,970 2,960 1,100 571 482 450 373 310
19 304 300 315 525 2,030 2,950 1,060 568 485 446 370 311
20 305 300 315 550 2,120 2,910 1,020 563 484 446 368 310
21 306 300 319 571 2,230 2,810 986 557 484 446 359 313
22 303 300 321 603 2,300 2,780 955 557 480 445 356 313
23 305 299 322 639 2,320 2,690 929 553 476 438 357 309
24 304 297 321 655 2,380 2,660 900 553 474 436 360 309
25 304 298 322 670 2,460 2,610 876 544 470 436 357 309
26 302 297 326 676 2,570 2,540 864 536 470 434 349 308
27 300 298 329 690 2,640 2,450 839 530 471 429 345 307
28 299 298 329 715 2,740 2,330 820 523 468 430 346 307
29 299 303 328 753 2,840 2,250 805 520 465 428 342 308
30 299   334 791 2,860 2,200 791 517 466 421 342 309
31 299   339   2,860   776 514   432   307