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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 04040000 ONTONAGON RIVER NEAR ROCKLAND, MI


Ontonagon County, Michigan
Hydrologic Unit Code 04020102
Latitude  46°43'15", Longitude  89°12'25" NAD27
Drainage area 1,340  square miles
Gage datum 638.66 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 1941-10-01 -> 2022-09-30)

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
1 810 781 898 3,270 3,020 1,600 1,150 666 767 997 1,240 1,060
2 827 773 878 3,240 2,840 1,490 1,230 726 727 948 1,390 1,010
3 818 763 861 3,290 2,730 1,390 1,290 736 768 971 1,350 979
4 812 764 861 3,300 2,530 1,320 1,220 923 758 984 1,200 1,050
5 809 772 870 3,350 2,510 1,280 1,110 871 765 1,250 1,160 1,080
6 806 762 916 3,600 2,520 1,390 1,130 758 745 1,290 1,140 1,050
7 809 777 1,010 3,860 2,440 1,370 1,050 766 696 1,270 1,120 963
8 803 778 1,090 4,050 2,370 1,320 997 742 712 1,130 1,150 925
9 803 773 1,060 3,990 2,590 1,280 1,010 699 783 1,090 1,140 908
10 801 773 1,010 3,950 2,550 1,390 970 707 819 1,260 1,200 954
11 804 768 1,060 4,120 2,380 1,380 942 686 811 1,200 1,210 913
12 801 768 1,150 4,230 2,400 1,370 923 668 757 1,200 1,230 920
13 795 781 1,300 4,310 2,190 1,330 936 651 781 1,150 1,290 911
14 795 781 1,530 4,330 2,130 1,250 924 639 775 1,150 1,290 906
15 800 800 1,720 4,360 1,970 1,330 858 607 725 1,230 1,250 933
16 787 785 1,850 4,480 1,820 1,320 818 708 737 1,170 1,400 988
17 775 782 1,830 4,750 1,700 1,450 832 730 837 1,070 1,360 988
18 773 792 1,890 4,740 1,700 1,460 844 707 827 1,080 1,310 926
19 776 802 1,790 4,820 1,730 1,330 887 674 820 1,050 1,270 893
20 769 823 1,600 4,660 1,790 1,310 857 630 770 1,020 1,270 881
21 772 865 1,610 4,510 1,740 1,340 903 738 886 1,030 1,320 873
22 775 881 1,720 4,510 1,810 1,320 855 1,110 903 1,030 1,210 857
23 783 869 1,810 4,530 1,760 1,360 860 936 843 1,120 1,130 854
24 777 876 1,930 4,450 1,790 1,450 823 826 946 1,290 1,130 869
25 779 863 2,010 4,120 1,750 1,380 779 745 965 1,560 1,110 856
26 768 881 2,050 3,770 1,700 1,330 755 716 973 1,370 1,060 878
27 787 926 2,270 3,540 1,600 1,360 716 666 1,000 1,270 1,050 859
28 796 891 2,590 3,410 1,510 1,270 731 705 927 1,280 1,020 856
29 799 975 2,740 3,310 1,590 1,140 716 716 892 1,200 1,070 851
30 795   2,900 3,150 1,540 1,060 687 702 929 1,220 1,100 839
31 796   2,910   1,650   684 806   1,200   837