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USGS Daily Statistics for the Nation

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 05421740 Wapsipinicon River near Anamosa, IA


Jones County, Iowa
Hydrologic Unit Code 07080103
Latitude  42°05'00.1", Longitude  91°16'02.6" NAD83
Drainage area 1,575  square miles
Gage datum 754.37 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 2001-10-01 -> 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
1 964 623 1,430 2,350 3,000 4,290 3,210 1,030 1,070 1,100 1,120 809
2 925 617 1,370 2,320 2,790 4,160 2,950 897 1,170 1,190 1,100 819
3 897 637 1,310 2,330 2,690 3,700 2,850 811 1,530 1,570 1,000 798
4 886 692 1,250 2,380 2,640 3,180 2,810 770 1,550 1,730 1,000 757
5 864 672 1,300 2,440 2,610 2,840 2,730 749 1,650 1,510 1,020 739
6 855 640 1,350 2,510 2,560 2,680 2,540 724 1,710 1,380 978 740
7 892 660 1,420 2,470 2,550 2,630 2,310 912 1,760 1,340 944 718
8 896 681 1,560 2,410 2,550 2,610 2,300 1,030 1,680 1,410 923 673
9 829 706 1,740 2,350 2,570 2,690 2,320 1,010 1,490 1,430 893 645
10 777 735 2,200 2,210 2,600 2,980 2,520 1,010 1,380 1,470 864 609
11 732 782 2,500 2,130 2,650 3,230 2,470 968 1,250 1,580 863 582
12 680 783 2,540 2,100 2,620 3,710 2,170 913 1,120 1,510 860 566
13 641 744 2,800 2,100 2,590 4,050 1,920 846 1,020 1,340 862 561
14 625 736 3,190 2,170 2,620 3,750 1,710 798 976 1,330 848 672
15 616 744 3,410 2,150 2,730 3,440 1,530 734 924 1,340 818 773
16 597 778 3,430 2,230 2,710 3,230 1,450 696 972 1,250 789 825
17 609 799 3,540 2,250 2,620 3,100 1,410 654 936 1,160 773 975
18 615 838 3,500 2,490 2,520 2,970 1,380 642 872 1,100 760 990
19 665 912 3,320 2,580 2,390 2,910 1,400 609 854 1,030 739 867
20 731 1,040 3,310 2,610 2,240 2,760 1,300 628 890 975 714 785
21 800 1,160 3,270 2,610 2,190 2,630 1,230 697 958 945 695 753
22 841 1,220 3,090 2,620 2,290 2,840 1,200 766 1,100 922 685 737
23 836 1,260 2,840 2,620 2,420 3,220 1,230 883 1,290 978 683 722
24 832 1,340 2,720 2,590 2,820 3,350 1,450 895 1,390 1,120 679 704
25 818 1,350 2,640 2,680 3,400 3,310 2,290 850 1,650 1,220 686 738
26 773 1,320 2,630 2,880 3,600 3,500 2,830 856 1,920 1,190 698 807
27 724 1,390 2,620 3,060 3,620 3,710 2,670 1,130 2,030 1,140 735 882
28 694 1,430 2,560 3,270 3,720 3,600 2,170 1,400 1,920 1,100 758 939
29 689 1,030 2,480 3,410 3,710 3,420 1,700 1,120 1,640 1,070 769 971
30 667   2,420 3,280 3,690 3,460 1,400 1,050 1,320 1,130 793 1,000
31 648   2,350   4,170   1,210 1,000   1,110   976