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USGS Daily Statistics for Illinois

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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 05549400 FOX RIVER AT MILLER BRIDGE NEAR MCHENRY, IL


Mchenry County, Illinois
Hydrologic Unit Code 07120006
Latitude  42°19'24", Longitude  88°15'06" NAD83
Gage datum 724.62 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 2019-10-01 -> 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
1 964 923 1,010 1,660 1,210 998 831 721 487 605 832 769
2 811 965 1,090 1,750 1,330 910 798 657 460 559 807 691
3 775 940 1,080 1,830 1,470 830 668 631 494 534 774 630
4 685 917 1,100 2,050 1,440 844 631 606 468 534 765 597
5 658 828 1,260 2,020 1,430 795 710 623 438 468 703 654
6 606 784 1,250 2,210 1,460 777 800 590 446 481 762 599
7 553 804 1,370 2,290 1,450 814 913 572 406 483 869 615
8 543 806 1,390 2,280 1,410 927 1,020 573 410 472 939 524
9 609 767 1,550 2,350 1,580 903 883 713 401 462 955 633
10 642 744 1,500 2,380 1,550 914 880 759 378 556 930 646
11 587 774 1,510 2,300 1,560 931 884 741 450 607 914 680
12 635 774 1,670 2,180 1,480 848 845 631 641 671 953 755
13 601 748 1,680 2,100 1,420 818 784 524 790 594 1,010 825
14 597 735 1,630 1,840 1,430 774 779 592 767 625 1,030 945
15 586 707 1,560 1,660 1,310 713 923 727 735 654 1,000 969
16 575 831 1,540 1,540 1,120 772 1,040 714 743 614 1,040 876
17 588 844 1,500 1,520 1,060 689 1,120 717 756 580 953 967
18 571 774 1,580 1,450 983 685 1,160 701 726 633 939 904
19 576 725 1,540 1,280 904 638 1,150 606 716 625 910 831
20 547 676 1,520 1,190 937 690 1,140 551 714 580 924 752
21 521 742 1,550 1,120 976 674 1,120 519 688 568 971 729
22 588 771 1,630 1,210 903 689 1,010 501 698 668 977 684
23 572 768 1,680 1,300 952 837 997 472 666 737 961 616
24 626 743 1,680 1,360 1,000 904 995 505 683 744 897 637
25 688 760 1,690 1,450 908 921 916 536 652 857 917 695
26 709 789 1,660 1,430 1,050 877 884 573 652 821 848 765
27 692 818 1,680 1,320 1,260 897 811 503 701 842 897 839
28 772 875 1,560 1,270 1,230 884 834 494 760 895 835 789
29 850 865 1,660 1,260 1,130 829 936 550 723 884 763 844
30 875   1,720 1,310 1,070 789 899 565 638 786 746 750
31 963   1,670   1,020   773 519   742   876