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USGS Daily Statistics for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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 05418500 Maquoketa River near Maquoketa, IA


Jackson County, Iowa
Hydrologic Unit Code 07060006
Latitude  42°05'00.07", Longitude  90°37'58.5" NAD83
Drainage area 1,553  square miles
Gage datum 625.63 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 1913-10-01 -> 2024-09-30)

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
1 725 698 1,390 1,810 1,310 1,620 1,590 834 911 922 879 774
2 691 691 1,450 1,740 1,360 1,760 1,440 893 936 988 947 790
3 654 684 1,580 1,700 1,360 1,680 1,340 960 898 1,110 1,050 774
4 705 672 1,730 1,760 1,400 1,750 1,290 905 846 1,110 1,010 749
5 754 803 2,040 1,750 1,310 2,000 1,260 909 801 1,000 945 769
6 919 928 1,990 1,560 1,260 1,770 1,490 898 859 1,050 854 759
7 770 961 1,830 1,450 1,420 1,550 1,370 963 809 959 819 733
8 721 968 1,680 1,400 1,480 1,460 1,280 934 903 932 780 715
9 687 968 1,550 1,380 1,440 1,590 1,510 877 1,010 936 797 690
10 643 929 1,720 1,350 1,390 1,620 1,510 928 974 976 877 677
11 620 867 2,170 1,420 1,360 1,530 1,400 850 789 1,030 873 664
12 679 815 2,130 1,370 1,350 1,580 1,240 830 798 861 877 665
13 783 825 2,370 1,340 1,350 2,040 1,240 808 950 807 846 658
14 734 919 2,560 1,410 1,400 2,030 1,170 910 1,030 816 822 724
15 735 936 2,410 1,430 1,350 1,910 1,110 935 1,070 781 791 793
16 703 938 2,290 1,530 1,360 1,870 1,020 844 1,000 775 845 776
17 714 903 1,960 1,570 1,340 1,870 1,060 849 902 765 899 739
18 701 989 1,700 1,610 1,350 1,750 1,080 867 889 857 864 690
19 724 1,260 1,920 1,560 1,320 1,680 1,280 846 891 862 805 685
20 733 2,020 2,300 1,520 1,300 1,590 1,270 1,030 993 810 787 672
21 767 2,040 2,130 1,540 1,250 1,680 1,100 1,060 1,180 806 802 652
22 822 1,620 1,960 1,520 1,310 1,600 1,150 964 1,130 765 792 634
23 781 1,520 1,870 1,440 1,430 1,740 1,130 1,020 1,000 818 809 641
24 841 1,590 1,860 1,380 1,430 1,750 1,220 845 1,010 880 809 674
25 837 1,560 1,870 1,360 1,470 1,710 1,230 793 1,090 872 772 709
26 737 1,580 1,900 1,420 1,470 1,720 1,200 862 1,050 821 771 714
27 793 1,600 2,050 1,460 1,420 1,840 1,010 861 984 790 792 717
28 718 1,600 1,770 1,390 1,530 1,500 950 991 983 782 785 762
29 656 1,600 1,630 1,360 1,570 1,380 1,000 997 962 768 765 759
30 651   1,750 1,330 1,570 1,500 950 899 871 838 767 853
31 693   1,760   1,570   869 1,030   880   866