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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 05484800 Walnut Creek at Des Moines, IA


Polk County, Iowa
Hydrologic Unit Code 07100006
Latitude  41°35'14", Longitude  93°42'11" NAD27
Drainage area 78.4  square miles
Gage datum 801.04 feet above NGVD29
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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 1971-10-01 -> 2021-09-30)

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 26 59 49 72 125 106 251 34 53 40 57 39
2 24 42 68 79 113 103 119 36 38 56 45 36
3 23 32 64 85 114 92 91 38 41 35 51 34
4 23 30 69 69 132 115 118 66 38 36 50 35
5 21 30 63 70 113 113 99 56 41 36 37 35
6 21 28 65 69 107 119 106 42 30 39 39 33
7 21 28 70 66 129 97 100 36 55 47 32 30
8 19 26 80 69 116 149 79 47 48 40 30 29
9 19 25 82 78 155 214 106 128 46 38 35 27
10 21 31 88 74 188 163 107 89 68 45 41 25
11 21 30 98 82 129 136 114 104 42 66 38 26
12 21 27 96 93 135 178 99 67 36 50 39 27
13 19 30 138 88 152 167 75 54 39 40 37 45
14 19 30 125 107 110 180 67 40 27 55 32 69
15 20 31 92 115 96 175 59 42 25 48 32 42
16 35 35 76 124 101 183 54 37 37 36 30 32
17 35 47 79 111 132 148 69 30 40 35 32 28
18 27 74 86 146 115 148 96 50 39 33 32 26
19 22 73 89 104 124 123 76 39 49 30 38 25
20 26 62 85 101 106 127 72 64 42 26 37 27
21 28 57 72 104 134 107 63 50 40 49 32 28
22 26 54 66 100 112 107 57 35 45 57 29 28
23 26 62 71 87 125 123 43 60 39 56 32 33
24 23 54 83 99 215 121 76 33 36 51 33 32
25 24 47 67 122 187 185 53 37 67 41 29 29
26 23 46 65 117 151 157 65 53 54 40 32 31
27 24 44 64 126 151 169 50 93 33 33 36 41
28 23 53 64 105 144 129 62 63 29 34 40 40
29 23 75 63 102 152 136 68 145 48 41 39 35
30 23   79 162 134 171 43 63 38 44 38 39
31 26   82   113   46 49   43   32