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USGS Surface-Water 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 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 6 - 8 years of record in, ft3/s   (Calculation Period 2010-10-01 -> 2019-09-30)

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
1 846 743 1,610 1,980 2,240 4,820 4,850 899 2,970 2,890 823 1,030
2 787 719 1,470 1,900 2,580 4,170 5,510 799 3,040 2,720 812 1,090
3 750 632 1,400 1,830 2,730 3,720 5,270 727 2,540 2,690 793 1,020
4 742 595 1,360 1,810 3,110 3,440 4,210 662 2,330 2,670 755 944
5 695 579 1,340 1,820 3,760 3,580 3,610 655 2,360 2,420 715 887
6 673 569 1,360 1,780 3,860 3,400 3,520 650 2,250 2,170 712 830
7 678 589 1,350 1,640 3,780 3,200 3,800 705 2,130 1,950 692 807
8 695 598 1,370 1,510 3,380 2,590 3,240 736 2,210 1,870 665 755
9 639 510 1,690 1,410 2,980 2,250 2,610 801 2,130 2,060 656 743
10 628 536 2,390 1,420 2,970 2,500 2,160 1,120 2,160 2,230 650 723
11 895 621 3,050 1,450 2,970 2,600 1,890 1,040 2,040 2,390 640 699
12 787 598 3,080 1,490 2,610 2,490 1,770 1,070 1,720 2,370 640 693
13 719 612 3,200 1,530 2,500 2,300 1,650 1,010 1,530 2,320 634 812
14 697 639 3,170 1,770 2,530 2,140 1,510 867 1,420 2,370 614 1,770
15 656 659 2,890 2,020 2,380 2,250 1,370 778 1,340 2,360 593 2,650
16 647 669 2,310 2,480 2,210 2,430 1,280 698 1,510 2,180 580 3,060
17 912 654 2,230 2,550 2,120 2,490 1,220 651 1,750 2,000 575 2,640
18 1,080 645 2,010 2,870 2,110 2,790 1,170 681 1,760 1,800 562 2,290
19 977 905 1,800 3,030 2,100 2,820 1,120 648 1,700 1,580 578 2,020
20 1,070 1,530 1,700 2,830 2,470 2,930 1,130 801 1,710 1,430 563 1,830
21 1,080 1,910 1,530 2,800 2,770 3,230 1,140 1,200 1,760 1,310 558 1,650
22 1,080 1,990 1,440 2,640 2,680 3,820 1,120 1,170 1,820 1,240 563 1,450
23 1,280 1,850 1,340 2,490 2,380 4,100 1,100 1,110 2,090 1,180 571 1,300
24 1,010 1,820 1,330 2,360 2,190 4,120 1,070 1,120 2,350 1,160 586 1,380
25 883 1,760 1,330 2,240 2,220 4,790 1,050 1,010 2,570 1,150 584 1,380
26 828 1,660 1,300 2,160 3,030 5,120 1,030 887 2,720 1,100 624 1,360
27 776 1,570 1,300 2,060 4,850 4,740 1,080 837 2,880 1,110 848 1,380
28 735 1,570 1,360 1,980 5,780 4,060 1,130 804 3,050 1,130 1,040 1,220
29 693 2,260 1,460 2,010 5,400 3,910 1,540 1,370 3,060 1,140 1,020 1,120
30 535   1,640 2,090 5,230 4,180 1,310 1,930 3,060 860 958 989
31 698   1,970   5,340   1,040 2,240   841   883