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USGS Daily Statistics for Iowa

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NOTE: Station Numbers for Iowa precipitation gages have changed (see list).


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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 05454300 Clear Creek near Coralville, IA


Johnson County, Iowa
Hydrologic Unit Code 07080209
Latitude  41°40'36.05", Longitude  91°35'55.6" NAD83
Drainage area 98.1  square miles
Gage datum 647.29 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 1952-10-01 -> 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 42 37 78 108 114 104 149 62 38 35 59 43
2 47 35 92 107 109 100 97 48 30 38 63 45
3 41 35 134 91 110 99 65 43 31 37 54 38
4 41 42 139 94 116 99 69 38 40 32 50 37
5 35 45 122 90 125 106 102 44 48 44 48 44
6 33 46 86 96 99 92 149 70 51 72 43 42
7 37 57 83 76 109 86 94 60 40 55 37 38
8 36 66 119 74 118 109 108 74 37 55 34 37
9 32 82 150 81 107 130 134 54 39 53 37 36
10 30 66 189 94 144 124 120 88 51 54 42 35
11 33 61 140 98 129 86 111 56 34 38 38 35
12 45 53 115 89 102 122 92 69 32 33 41 35
13 57 56 165 93 126 134 116 58 47 31 39 34
14 33 50 146 99 129 135 120 58 51 38 36 47
15 34 47 111 96 106 196 92 48 45 36 36 51
16 42 51 100 106 111 136 71 94 29 30 49 45
17 50 61 99 113 185 177 78 60 48 42 56 39
18 36 67 114 162 140 98 107 42 58 63 42 36
19 45 82 179 127 133 105 117 37 43 44 39 33
20 49 106 178 130 90 131 82 96 57 34 46 32
21 40 131 119 144 88 101 79 63 77 33 49 35
22 51 119 120 122 90 135 89 41 58 33 43 34
23 55 100 122 103 102 141 75 46 51 50 43 35
24 51 97 100 127 127 117 76 37 50 44 39 37
25 40 106 88 141 121 97 64 51 59 42 39 47
26 36 89 89 118 118 96 61 58 72 43 40 43
27 40 104 87 106 136 106 83 72 40 38 50 49
28 31 83 87 107 146 111 56 94 32 38 44 61
29 33 99 92 108 220 102 54 72 41 41 40 54
30 40   104 114 135 175 58 48 38 60 43 66
31 39   121   108   80 38   46   52