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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 4,090 3,100 1,010 1,100 1,100 1,120 809
2 925 617 1,370 2,320 2,790 4,020 2,840 884 1,210 1,190 1,100 819
3 897 637 1,310 2,330 2,690 3,610 2,720 800 1,530 1,570 1,000 798
4 886 692 1,250 2,380 2,640 3,110 2,670 761 1,550 1,730 1,000 757
5 864 672 1,300 2,440 2,610 2,800 2,570 743 1,650 1,510 1,020 739
6 855 640 1,350 2,510 2,490 2,660 2,390 720 1,710 1,380 978 740
7 892 660 1,420 2,470 2,480 2,610 2,160 918 1,760 1,340 944 718
8 896 681 1,560 2,410 2,470 2,590 2,120 1,040 1,680 1,410 923 673
9 829 706 1,740 2,350 2,480 2,680 2,140 1,030 1,490 1,430 893 645
10 777 735 2,200 2,210 2,500 2,980 2,380 1,030 1,380 1,470 864 609
11 732 782 2,500 2,130 2,530 3,250 2,350 983 1,250 1,580 863 582
12 680 783 2,540 2,100 2,480 3,760 2,050 927 1,120 1,510 860 566
13 641 744 2,800 2,100 2,460 4,130 1,810 858 1,020 1,340 862 561
14 625 736 3,190 2,170 2,500 3,830 1,630 810 976 1,330 848 672
15 616 744 3,410 2,150 2,640 3,510 1,460 741 924 1,340 818 773
16 597 778 3,430 2,230 2,640 3,310 1,380 700 972 1,250 789 825
17 609 799 3,540 2,250 2,560 3,170 1,340 657 936 1,160 773 975
18 615 838 3,500 2,490 2,490 3,040 1,290 646 872 1,100 760 990
19 665 912 3,320 2,580 2,380 2,980 1,350 614 854 1,030 739 867
20 731 1,040 3,310 2,610 2,230 2,810 1,260 635 890 975 714 785
21 800 1,160 3,270 2,610 2,170 2,670 1,200 708 958 945 695 753
22 841 1,220 3,090 2,620 2,210 2,880 1,180 782 1,100 922 685 737
23 836 1,260 2,840 2,620 2,250 3,270 1,220 904 1,290 978 683 722
24 832 1,340 2,720 2,590 2,540 3,390 1,440 918 1,390 1,120 679 704
25 818 1,350 2,640 2,680 3,020 3,300 2,320 872 1,650 1,220 686 738
26 773 1,320 2,630 2,880 3,250 3,450 2,880 879 1,920 1,190 698 807
27 724 1,390 2,620 3,060 3,300 3,660 2,720 1,170 2,030 1,140 735 882
28 694 1,430 2,560 3,270 3,370 3,530 2,200 1,450 1,920 1,100 758 939
29 689 1,030 2,480 3,410 3,290 3,320 1,690 1,160 1,640 1,070 769 971
30 667   2,420 3,280 3,310 3,350 1,400 1,070 1,320 1,130 793 1,000
31 648   2,350   3,890   1,200 1,030   1,110   976