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USGS Daily Statistics for Iowa

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Boating safety tips are available from the U.S. Coast Guard.

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 05422000 Wapsipinicon River near De Witt, IA


Clinton County, Iowa
Hydrologic Unit Code 07080103
Latitude  41°46'01.1", Longitude  90°32'05.48" NAD83
Drainage area 2,336  square miles
Gage datum 598.79 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 1934-10-01 -> 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 1,050 892 2,090 3,490 2,930 3,020 3,090 1,550 1,520 1,340 1,180 1,080
2 1,010 871 2,110 3,510 2,870 3,040 3,010 1,440 1,440 1,270 1,230 1,110
3 984 837 2,180 3,560 2,780 3,040 2,840 1,310 1,360 1,190 1,280 1,150
4 955 846 2,260 3,580 2,760 3,050 2,740 1,230 1,360 1,140 1,290 1,110
5 965 884 2,490 3,530 2,810 3,080 2,580 1,190 1,370 1,140 1,300 1,070
6 1,040 949 2,500 3,460 2,770 3,070 2,490 1,180 1,330 1,170 1,300 1,070
7 981 989 2,450 3,350 2,720 2,960 2,510 1,180 1,210 1,250 1,300 1,060
8 971 991 2,450 3,270 2,740 2,930 2,510 1,250 1,250 1,210 1,280 1,030
9 993 954 2,590 3,220 2,750 2,920 2,580 1,320 1,300 1,180 1,230 976
10 975 992 2,680 3,170 2,890 2,790 2,460 1,260 1,240 1,180 1,200 933
11 933 990 2,920 3,140 3,020 2,700 2,410 1,160 1,180 1,220 1,170 899
12 913 994 3,080 3,060 2,960 2,730 2,240 1,190 1,100 1,180 1,120 894
13 920 1,020 3,230 2,930 2,920 2,800 2,170 1,180 1,110 1,140 1,120 895
14 910 1,030 3,280 2,820 2,960 2,940 2,170 1,210 1,180 1,140 1,150 921
15 907 1,020 3,250 2,810 2,870 3,010 2,090 1,210 1,160 1,150 1,110 982
16 900 994 3,280 2,860 2,770 3,220 1,950 1,170 1,060 1,110 1,140 1,050
17 893 1,020 3,230 2,950 2,850 3,540 1,780 1,180 998 1,100 1,140 1,040
18 838 1,090 3,260 3,070 2,780 3,360 1,710 1,150 1,030 1,160 1,150 988
19 810 1,240 3,450 3,150 2,720 3,200 1,740 1,110 1,050 1,210 1,140 948
20 826 1,450 3,710 3,120 2,550 3,100 1,760 1,150 1,040 1,150 1,120 953
21 850 1,710 3,660 3,200 2,460 2,980 1,770 1,130 1,050 1,100 1,130 1,010
22 866 1,850 3,670 3,310 2,380 2,910 1,770 1,090 1,050 1,060 1,140 1,010
23 895 1,940 3,800 3,230 2,530 2,970 1,780 1,060 1,040 1,090 1,120 979
24 932 2,040 3,820 3,180 2,590 2,960 1,690 1,090 1,100 1,120 1,080 947
25 943 2,180 3,780 3,140 2,580 2,920 1,710 1,130 1,140 1,120 1,060 947
26 934 2,240 3,670 3,020 2,520 2,990 1,660 1,170 1,180 1,130 1,070 935
27 916 2,160 3,550 2,920 2,530 3,140 1,580 1,220 1,240 1,140 1,110 972
28 897 2,130 3,450 2,910 2,810 3,120 1,560 1,300 1,200 1,110 1,100 1,040
29 874 1,890 3,400 2,910 3,090 3,040 1,650 1,390 1,240 1,090 1,070 1,060
30 877   3,480 2,910 3,140 3,130 1,770 1,370 1,350 1,080 1,070 1,090
31 909   3,500   3,050   1,680 1,480   1,110   1,090