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USGS Daily Statistics for Colorado

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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 09128000 GUNNISON RIVER BELOW GUNNISON TUNNEL, CO


Montrose County, Colorado
Hydrologic Unit Code 14020002
Latitude  38°31'45", Longitude 107°38'54" NAD27
Drainage area 3,971  square miles
Gage datum 6,514.20 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 1910-10-01 -> 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
1 782 758 829 878 1,670 3,670 2,390 925 555 562 651 751
2 785 751 821 865 1,740 3,650 2,280 901 542 558 647 769
3 802 740 827 884 1,850 3,610 2,200 899 551 558 646 774
4 812 744 834 887 1,960 3,620 2,100 868 545 558 674 777
5 803 750 824 906 2,080 3,650 2,010 852 535 560 683 763
6 784 748 829 912 2,200 3,700 1,870 846 550 590 683 765
7 782 755 830 914 2,290 3,760 1,780 836 561 550 669 748
8 785 747 816 905 2,360 3,820 1,720 801 550 534 688 760
9 776 754 813 921 2,430 3,890 1,620 777 543 534 684 780
10 774 742 842 926 2,460 3,910 1,580 774 560 532 691 772
11 780 741 844 918 2,450 3,930 1,580 750 580 535 701 775
12 777 741 840 914 2,440 3,930 1,560 729 551 545 706 768
13 773 748 836 962 2,510 3,940 1,460 740 566 551 705 783
14 766 753 837 998 2,610 3,910 1,390 737 554 565 703 774
15 772 759 853 1,060 2,680 3,830 1,300 711 563 565 717 792
16 752 760 852 1,120 2,770 3,740 1,250 696 560 560 741 790
17 753 769 846 1,160 2,850 3,600 1,230 670 540 562 758 786
18 758 770 837 1,210 2,960 3,500 1,200 650 537 565 751 797
19 765 775 825 1,260 3,030 3,450 1,210 635 533 565 754 792
20 743 776 814 1,280 3,100 3,450 1,190 632 529 549 751 796
21 754 771 814 1,340 3,200 3,480 1,130 623 527 544 758 798
22 755 768 813 1,430 3,310 3,390 1,070 630 512 546 775 804
23 751 753 815 1,500 3,320 3,290 1,060 625 514 547 753 821
24 753 770 803 1,500 3,360 3,180 1,020 609 508 549 760 813
25 741 774 805 1,480 3,400 3,100 989 598 506 558 763 786
26 740 755 795 1,480 3,480 3,040 995 588 520 568 760 795
27 746 766 800 1,520 3,570 2,970 984 587 529 569 751 802
28 749 783 798 1,520 3,610 2,830 972 573 527 571 760 799
29 753 794 790 1,580 3,640 2,680 946 565 533 587 775 803
30 761   794 1,600 3,700 2,540 943 570 541 607 775 815
31 763   794   3,700   931 577   628   811