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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 05451770 Iowa River at County Highway E49 near Tama, IA


Tama County, Iowa
Hydrologic Unit Code 07080208
Latitude  41°57'51.32", Longitude  92°38'11.58" NAD83
Drainage area 1,882  square miles
Gage datum 810.47 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 2010-10-01 -> 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
1 989 677 1,620 1,860 1,930 4,450 3,720 709 1,930 1,900 930 910
2 919 671 1,470 1,780 2,140 3,820 4,070 639 1,980 1,850 902 1,000
3 879 629 1,410 1,720 2,240 3,370 3,920 588 1,670 1,970 872 1,020
4 834 619 1,410 1,690 2,500 3,070 3,320 540 1,530 2,000 864 965
5 771 667 1,440 1,680 2,910 3,070 2,870 528 1,550 1,840 937 916
6 738 698 1,490 1,650 2,970 3,080 2,760 523 1,470 1,750 970 867
7 730 668 1,480 1,550 2,920 2,950 2,880 555 1,400 1,640 953 824
8 732 640 1,470 1,540 2,680 2,500 2,510 570 1,460 1,570 897 782
9 677 588 1,590 1,460 2,610 2,230 2,110 608 1,410 1,650 852 773
10 641 604 1,940 1,450 2,700 2,530 1,810 810 1,430 1,730 821 736
11 766 643 2,300 1,500 2,610 2,640 1,610 769 1,380 1,870 808 701
12 697 617 2,300 1,550 2,310 2,400 1,530 786 1,190 1,920 797 682
13 651 613 2,640 1,620 2,200 2,180 1,460 740 1,060 1,890 785 735
14 649 614 3,110 1,750 2,210 2,020 1,350 646 974 1,890 759 1,240
15 632 638 3,150 1,840 2,130 2,050 1,250 587 917 1,820 737 1,710
16 603 669 2,830 2,090 2,020 2,520 1,170 533 1,030 1,660 718 1,930
17 726 686 2,630 2,130 2,000 2,660 1,110 501 1,170 1,520 708 1,690
18 812 689 2,420 2,300 2,110 2,650 1,060 519 1,170 1,360 687 1,500
19 734 828 2,270 2,370 2,250 2,650 1,020 497 1,130 1,210 678 1,360
20 762 1,170 2,320 2,250 2,490 2,880 1,020 597 1,150 1,100 661 1,260
21 771 1,360 2,270 2,240 2,650 3,070 998 874 1,220 1,030 653 1,160
22 776 1,400 2,160 2,180 2,670 3,510 965 880 1,260 1,140 669 1,050
23 901 1,320 2,040 2,190 2,500 3,790 937 835 1,450 1,170 673 963
24 766 1,380 1,990 2,160 2,470 3,810 901 817 1,640 1,120 686 997
25 699 1,370 1,960 2,070 2,680 4,200 875 733 1,760 1,090 699 997
26 671 1,330 1,900 1,960 3,400 4,290 847 649 1,830 1,030 717 989
27 647 1,360 1,830 1,850 4,570 3,880 870 612 1,930 1,030 828 1,040
28 629 1,630 1,780 1,780 5,070 3,400 885 592 2,020 1,020 923 1,200
29 608 1,580 1,760 1,790 4,920 3,290 1,130 941 2,020 1,010 901 1,240
30 644   1,790 1,840 4,840 3,360 990 1,290 2,000 979 856 1,160
31 649   1,900   4,890   810 1,480   960   1,050