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USGS Surface-Water 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 05485640 Fourmile Creek at Des Moines, IA


Polk County, Iowa
Hydrologic Unit Code 07100008
Latitude  41°36'49.7", Longitude  93°32'43.9" NAD83
Drainage area 92.7  square miles
Gage datum 795.58 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 36 61 48 101 171 125 316 37 69 50 62 46
2 33 49 67 98 145 115 137 35 65 63 54 45
3 35 36 69 108 159 112 119 56 61 48 52 40
4 28 36 72 96 155 107 147 54 63 42 63 40
5 27 33 66 87 149 104 125 51 49 42 48 43
6 26 29 66 85 137 193 120 37 46 41 50 43
7 25 45 65 79 144 123 93 37 73 44 44 38
8 25 34 90 77 139 179 76 36 52 47 40 36
9 22 29 99 75 155 250 82 98 48 56 41 34
10 22 32 119 83 130 201 76 96 66 59 45 32
11 24 28 131 89 137 139 87 183 51 72 52 31
12 23 25 145 116 139 198 126 81 43 73 51 29
13 21 29 195 119 190 181 79 70 41 58 49 44
14 22 33 183 133 136 204 71 55 33 80 44 85
15 21 34 125 144 122 255 86 44 28 67 41 53
16 30 35 104 131 129 229 102 42 47 53 39 39
17 38 37 103 135 140 209 53 35 43 46 38 33
18 30 44 124 204 193 162 128 38 48 45 37 30
19 27 58 150 132 157 216 105 40 57 41 50 27
20 32 65 148 123 142 164 97 49 67 37 44 27
21 31 60 116 156 141 136 76 40 63 50 39 29
22 26 67 103 137 135 143 56 28 64 79 36 29
23 26 75 119 126 183 148 45 37 49 84 38 33
24 28 57 116 138 191 137 55 32 51 94 39 38
25 27 43 103 168 224 155 45 38 57 77 38 40
26 27 40 88 163 190 207 52 84 52 61 40 40
27 28 51 80 166 196 228 64 58 40 51 48 55
28 26 50 87 164 190 188 149 67 36 51 58 59
29 27 54 81 145 164 189 82 65 72 55 49 52
30 26   93 200 164 185 56 43 52 59 44 56
31 28   106   148   48 42   55   46