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USGS Daily Statistics for the Nation

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°35'14.9", Longitude  93°42'11.9" NAD83
Drainage area 78.4  square miles
Gage datum 800.82 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 1971-10-01 -> 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 25 58 48 70 122 111 243 32 51 40 55 38
2 24 41 66 78 110 105 115 36 37 54 43 35
3 26 31 62 82 118 93 88 37 40 33 49 32
4 23 30 67 68 131 113 118 64 36 34 53 34
5 21 30 65 68 114 115 99 54 39 34 43 34
6 20 28 65 67 108 127 104 49 29 37 39 32
7 20 28 68 64 127 100 97 38 52 44 31 29
8 19 25 78 66 118 150 77 46 45 37 29 27
9 18 25 80 75 156 209 103 124 44 36 34 26
10 20 30 85 71 187 160 103 86 67 43 41 24
11 21 29 94 79 128 134 110 100 42 63 44 25
12 21 27 93 89 134 174 105 65 34 48 39 26
13 19 29 132 86 150 162 74 52 37 45 36 48
14 19 30 120 102 108 175 65 39 26 53 31 68
15 19 32 89 111 95 172 57 41 24 46 31 41
16 34 35 75 120 99 178 53 36 35 34 29 32
17 34 47 77 108 129 144 67 29 39 33 31 28
18 26 71 87 141 114 147 93 48 39 32 31 25
19 22 70 88 102 122 121 74 42 49 28 36 25
20 25 60 83 110 103 124 70 62 42 24 35 26
21 27 55 70 106 130 105 61 52 39 46 31 27
22 25 52 69 109 109 104 56 34 43 54 27 27
23 25 59 71 96 122 119 42 57 37 53 30 32
24 23 52 85 104 210 121 74 32 34 62 32 31
25 25 45 68 122 186 179 52 35 63 48 28 33
26 26 44 68 116 152 152 62 51 51 42 31 31
27 25 56 63 124 149 163 48 88 31 39 35 40
28 23 55 63 103 141 125 59 71 27 44 38 38
29 23 70 62 101 149 131 65 138 46 44 37 33
30 25   77 161 131 166 41 60 37 44 36 37
31 26   79   113   44 51   43   31