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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 1,020 975 1,290 1,460 1,240 1,040 900 643 622 656 784 932
2 1,020 966 1,300 1,470 1,230 1,060 888 632 613 648 791 932
3 1,020 959 1,310 1,490 1,220 1,070 861 640 591 645 788 925
4 1,010 951 1,330 1,490 1,190 1,050 822 628 596 664 805 932
5 1,020 945 1,340 1,520 1,170 1,020 816 629 593 681 805 926
6 1,010 948 1,360 1,540 1,130 1,010 785 623 578 702 819 927
7 1,000 925 1,380 1,550 1,110 983 763 616 569 718 824 914
8 991 937 1,400 1,560 1,090 950 743 626 578 707 802 912
9 974 948 1,410 1,540 1,080 940 746 623 574 707 808 896
10 968 965 1,400 1,520 1,080 929 744 627 592 707 829 882
11 976 974 1,420 1,470 1,090 914 727 625 603 715 825 880
12 985 958 1,440 1,440 1,110 869 722 627 612 697 821 883
13 1,000 984 1,450 1,390 1,150 872 721 638 614 691 827 894
14 990 992 1,480 1,360 1,190 875 725 621 649 710 828 892
15 993 998 1,500 1,340 1,210 876 730 604 665 728 834 893
16 989 1,000 1,490 1,330 1,230 870 706 615 653 726 839 893
17 984 1,020 1,480 1,300 1,220 869 712 622 648 726 842 895
18 976 1,030 1,470 1,270 1,220 866 724 632 651 728 846 889
19 965 1,030 1,470 1,260 1,220 866 714 635 662 729 852 876
20 971 1,070 1,450 1,280 1,200 886 711 641 638 751 867 869
21 970 1,140 1,440 1,300 1,200 891 716 633 639 744 864 869
22 955 1,190 1,430 1,310 1,180 901 722 639 640 739 862 874
23 965 1,210 1,410 1,310 1,140 906 724 642 631 748 864 873
24 978 1,230 1,390 1,310 1,120 917 710 623 628 774 878 883
25 991 1,250 1,390 1,300 1,100 958 719 611 637 783 877 897
26 977 1,250 1,380 1,290 1,090 975 705 617 637 785 858 890
27 964 1,260 1,380 1,290 1,070 971 692 612 628 787 869 882
28 961 1,270 1,390 1,290 1,050 959 685 620 628 791 887 902
29 981 1,290 1,410 1,270 1,060 937 685 615 638 784 900 936
30 993   1,430 1,240 1,050 928 666 618 657 778 917 986
31 978   1,440   1,040   654 628   777   1,020