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USGS Daily Statistics for Michigan

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NOTE: During winter months, stage and discharge may be significantly affected by backwater from ice, resulting in incorrect discharge data. Consequently, discharge data may not be displayed during periods of ice effect. Click here for more information.

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 04106000 KALAMAZOO RIVER AT COMSTOCK, MI


Kalamazoo County, Michigan
Hydrologic Unit Code 04050003
Latitude  42°17'08", Longitude  85°30'50" NAD27
Drainage area 1,010  square miles
Gage datum 755.60 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 1930-10-01 -> 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 1,010 972 1,290 1,470 1,240 1,050 898 641 622 656 786 934
2 1,020 963 1,310 1,470 1,230 1,070 887 630 613 648 792 934
3 1,020 957 1,310 1,480 1,220 1,080 860 638 591 645 789 928
4 1,010 949 1,330 1,480 1,190 1,050 821 627 596 664 807 934
5 1,020 943 1,340 1,500 1,170 1,020 816 628 593 681 805 929
6 1,010 947 1,360 1,520 1,140 1,010 785 623 578 704 819 929
7 1,000 924 1,380 1,530 1,110 982 762 616 569 720 824 916
8 991 937 1,400 1,540 1,090 949 743 626 578 708 802 914
9 974 948 1,400 1,530 1,080 940 747 623 574 709 808 898
10 970 967 1,400 1,510 1,070 930 742 628 592 708 829 883
11 978 976 1,420 1,470 1,090 914 723 627 603 716 824 881
12 986 960 1,440 1,440 1,120 869 718 628 612 698 820 884
13 1,000 987 1,460 1,390 1,150 873 720 633 614 690 826 895
14 992 995 1,480 1,360 1,190 876 725 618 649 707 828 894
15 997 1,000 1,500 1,340 1,210 877 729 605 665 725 834 894
16 993 1,010 1,500 1,330 1,230 872 705 614 653 724 839 893
17 986 1,020 1,480 1,300 1,220 871 712 622 648 725 842 895
18 977 1,030 1,480 1,270 1,220 868 724 632 651 727 846 888
19 967 1,030 1,480 1,260 1,230 868 714 635 662 729 853 875
20 975 1,070 1,450 1,280 1,210 886 711 640 638 751 867 868
21 976 1,150 1,440 1,300 1,200 891 715 634 639 745 863 870
22 960 1,200 1,430 1,320 1,180 902 723 639 640 740 862 875
23 968 1,220 1,410 1,310 1,140 908 724 643 631 750 864 874
24 981 1,240 1,390 1,320 1,120 919 710 625 628 775 878 884
25 993 1,260 1,390 1,310 1,100 958 718 611 637 784 877 898
26 979 1,250 1,380 1,290 1,090 977 702 617 637 786 859 891
27 967 1,260 1,380 1,300 1,070 972 690 612 628 789 870 883
28 964 1,270 1,390 1,290 1,050 955 684 620 628 792 888 903
29 983 1,290 1,410 1,270 1,060 933 681 615 638 785 901 937
30 995   1,430 1,250 1,050 926 662 618 657 779 919 984
31 979   1,440   1,050   652 628   778   1,010