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USGS Surface-Water 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 water year of record in, ft3/s   (Calculation Period 1888-10-01 -> 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
1 303 302 296 349 840 2,970 2,090 745 512 470 423 342
2 304 301 295 350 873 3,050 2,010 725 510 470 414 345
3 303 302 295 347 925 3,090 1,960 710 503 472 414 342
4 303 303 294 353 998 3,160 1,910 704 496 468 416 336
5 306 303 295 361 1,050 3,270 1,840 695 494 467 410 330
6 306 303 296 367 1,110 3,360 1,770 677 496 466 407 325
7 305 303 295 376 1,180 3,360 1,700 662 494 468 403 324
8 306 302 297 384 1,250 3,330 1,630 655 489 465 406 316
9 307 301 298 390 1,300 3,260 1,570 645 488 461 400 315
10 306 301 301 397 1,340 3,220 1,500 634 488 457 397 314
11 305 300 303 403 1,380 3,140 1,460 625 490 459 391 315
12 303 300 303 412 1,420 3,100 1,400 619 494 458 388 314
13 303 300 303 428 1,530 3,110 1,330 615 487 455 386 315
14 306 300 304 453 1,610 3,080 1,290 605 485 452 385 314
15 308 299 305 462 1,690 3,060 1,230 596 484 455 377 316
16 307 299 308 469 1,780 3,060 1,170 589 482 458 375 315
17 306 299 313 487 1,890 3,030 1,130 574 480 454 374 312
18 304 299 312 508 1,990 2,960 1,100 571 482 450 373 310
19 304 299 315 524 2,050 2,950 1,060 568 485 446 370 311
20 305 300 314 549 2,140 2,910 1,020 563 484 446 368 310
21 306 299 318 571 2,250 2,810 985 559 484 446 359 313
22 303 300 321 605 2,320 2,780 955 558 480 445 356 313
23 305 299 323 643 2,350 2,690 929 553 476 439 357 309
24 304 297 322 657 2,420 2,660 900 553 475 436 360 309
25 304 298 323 671 2,500 2,610 876 544 470 436 357 309
26 302 297 327 678 2,600 2,540 863 536 469 434 349 308
27 300 298 329 694 2,680 2,450 838 532 471 430 345 307
28 299 298 329 722 2,780 2,330 820 524 468 431 346 307
29 299 303 328 765 2,880 2,250 804 521 465 429 342 308
30 300   334 801 2,890 2,190 791 517 466 421 342 309
31 299   339   2,890   776 515   432   307