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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 06102050 Marias River near Loma MT


Chouteau County, Montana
Hydrologic Unit Code 10030203
Latitude  47°56'45.25", Longitude 110°34'51.02" NAD83
Drainage area 7,027  square miles
Contributing drainage area 6,480  square miles
Gage datum 2,570 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 1959-10-01 -> 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
1 373 280 488 658 913 1,350 1,430 930 875 873 692 551
2 368 293 466 649 904 1,350 1,380 932 872 873 705 499
3 362 320 486 655 898 1,440 1,280 966 869 866 701 514
4 355 340 477 646 922 1,500 1,240 970 880 834 710 473
5 343 350 487 649 944 1,520 1,220 958 891 816 726 434
6 339 349 473 665 965 1,510 1,210 936 898 813 725 419
7 323 348 439 679 972 1,510 1,160 958 904 811 722 402
8 318 332 425 668 968 1,530 1,120 1,050 899 808 721 391
9 310 358 436 679 978 1,570 1,120 1,070 894 796 726 387
10 305 375 434 691 990 1,560 1,190 1,030 895 794 725 387
11 301 397 428 732 1,000 1,780 1,070 1,070 906 796 733 384
12 294 426 440 782 1,020 1,770 1,050 1,120 913 783 736 386
13 282 440 460 808 1,060 1,790 1,050 1,120 916 773 738 395
14 274 458 478 814 1,090 1,840 1,060 1,100 888 771 740 380
15 275 466 477 856 1,120 1,870 1,010 1,020 868 777 739 382
16 275 477 459 869 1,140 1,900 991 967 855 767 738 414
17 268 485 480 932 1,160 1,830 963 950 835 753 740 423
18 263 482 481 1,040 1,190 1,700 939 952 829 743 738 417
19 263 488 479 1,040 1,200 1,700 922 959 850 746 741 389
20 280 500 513 981 1,210 1,710 929 958 872 738 729 389
21 290 515 532 898 1,190 1,700 947 958 861 727 710 367
22 282 536 619 838 1,150 1,650 963 929 865 715 701 369
23 255 545 701 829 1,150 1,610 975 909 865 702 703 376
24 247 548 799 827 1,160 1,530 955 905 874 714 705 379
25 247 534 828 831 1,160 1,530 984 894 894 702 713 368
26 391 525 867 839 1,170 1,540 962 888 890 697 714 358
27 262 511 832 872 1,200 1,520 951 889 889 696 714 356
28 268 494 801 896 1,210 1,500 935 880 890 697 697 360
29 270 338 864 892 1,230 1,470 911 876 887 693 690 366
30 272   819 893 1,240 1,430 895 873 869 685 621 370
31 275   811   1,290   919 871   682   375