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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 05454220 Clear Creek near Oxford, IA


Johnson County, Iowa
Hydrologic Unit Code 07080209
Latitude  41°43'06.04", Longitude  91°44'24.62" NAD83
Drainage area 58.4  square miles
Gage datum 696.51 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 1994-10-01 -> 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 28 22 49 54 68 79 145 20 29 17 28 25
2 26 24 41 48 61 73 56 17 20 28 26 24
3 26 29 54 49 63 90 53 21 20 26 26 22
4 25 37 49 46 76 86 49 18 19 20 29 22
5 24 27 68 45 116 98 60 21 25 38 29 20
6 26 25 47 51 71 77 63 20 37 100 29 21
7 33 36 57 48 69 66 46 19 19 36 25 20
8 31 38 141 48 78 65 64 16 19 51 23 20
9 26 43 157 55 96 88 47 29 16 32 23 20
10 22 48 226 64 157 95 76 21 37 34 27 19
11 23 44 122 73 106 67 71 29 27 23 25 19
12 23 32 88 66 81 122 73 33 24 20 23 20
13 21 31 141 62 96 101 81 21 59 20 22 21
14 20 29 113 62 80 100 46 19 29 28 21 42
15 19 27 85 64 80 94 45 16 24 27 20 26
16 22 32 69 55 69 69 37 16 20 22 19 22
17 26 40 57 86 88 63 35 18 16 35 22 20
18 20 31 59 202 79 58 48 15 15 67 22 19
19 22 30 62 81 106 74 45 13 19 31 21 17
20 24 48 63 70 66 127 58 39 17 26 20 17
21 20 112 57 69 66 83 57 26 15 27 20 22
22 21 60 50 64 76 111 48 17 20 26 19 25
23 23 46 53 66 74 156 32 25 36 44 21 27
24 32 51 49 58 98 92 28 25 38 31 21 25
25 25 82 47 97 91 80 28 20 24 31 23 38
26 20 49 45 98 100 87 27 17 21 29 25 35
27 19 55 45 87 113 65 43 85 18 27 39 40
28 20 37 48 72 124 57 28 157 16 29 28 46
29 24 29 43 66 127 58 31 44 21 38 24 36
30 23   45 67 110 85 23 25 17 57 23 29
31 23   61   91   21 19   32   33