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USGS Daily Statistics for Iowa

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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 06810000 Nishnabotna River above Hamburg, IA


Fremont County, Iowa
Hydrologic Unit Code 10240004
Latitude  40°36'04.3", Longitude  95°38'40.2" NAD83
Drainage area 2,806  square miles
Gage datum 892.31 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 1921-10-01 -> 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
1 734 720 1,610 1,810 2,020 2,470 2,420 1,240 1,250 902 889 708
2 710 764 1,650 1,640 2,060 2,800 2,260 1,190 1,260 1,060 865 720
3 690 742 1,800 1,550 1,980 2,610 2,170 1,270 1,080 948 857 719
4 644 775 1,730 1,460 1,910 2,630 2,220 1,230 1,040 862 832 713
5 641 868 1,870 1,480 1,890 2,700 2,280 1,140 1,100 912 789 696
6 688 863 1,840 1,500 1,950 2,780 2,360 1,240 1,200 976 763 687
7 675 829 1,810 1,440 2,080 2,630 2,130 1,180 1,150 991 741 678
8 638 810 1,650 1,400 2,390 2,780 2,010 1,410 1,190 963 726 668
9 624 870 1,540 1,450 2,540 2,920 2,130 1,360 1,220 1,010 765 638
10 610 891 1,630 1,560 2,580 2,810 2,220 1,200 1,140 941 756 617
11 610 923 1,750 1,550 2,620 2,650 2,120 1,180 1,110 1,050 729 657
12 596 878 2,090 1,560 2,330 3,000 1,970 1,360 1,050 1,240 744 677
13 590 847 2,440 1,510 2,260 3,210 1,960 1,340 1,110 1,020 770 687
14 597 836 2,320 1,480 2,160 3,630 1,820 1,230 1,290 915 748 789
15 600 885 2,260 1,610 2,040 4,100 1,740 1,200 1,320 991 727 866
16 647 920 2,070 1,680 1,990 3,810 1,610 1,110 1,350 971 752 843
17 753 993 2,100 1,570 2,110 3,670 1,490 1,100 1,230 972 779 795
18 760 1,160 2,170 1,520 2,080 3,190 1,670 1,070 1,080 959 807 738
19 773 1,410 2,270 1,500 2,000 3,080 1,800 980 981 921 814 708
20 737 1,670 2,280 1,470 1,960 2,910 1,660 1,000 996 870 787 697
21 718 1,560 2,040 1,490 2,210 2,860 1,560 1,050 938 818 763 686
22 730 1,510 1,790 1,570 2,480 2,970 1,640 1,080 899 870 749 681
23 763 1,330 1,720 1,570 2,400 2,910 1,530 1,080 911 853 764 726
24 708 1,310 1,670 1,580 2,370 3,100 1,540 1,110 944 873 798 729
25 688 1,220 1,650 1,630 2,590 3,000 1,650 1,130 940 862 794 709
26 680 1,300 1,600 1,670 2,880 2,700 1,770 1,100 1,040 802 780 703
27 657 1,440 1,670 1,770 2,880 2,580 1,680 1,090 1,080 757 756 728
28 642 1,590 1,700 1,830 2,760 2,830 1,500 1,120 928 733 726 806
29 630 1,940 1,760 1,710 2,820 2,580 1,410 1,160 907 723 704 839
30 625   1,730 1,870 2,860 2,280 1,440 1,190 847 749 707 845
31 672   1,780   2,660   1,440 1,220   838   824