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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 05455100 Old Mans Creek near Iowa City, IA


Johnson County, Iowa
Hydrologic Unit Code 07080209
Latitude  41°36'23", Longitude  91°36'56" NAD27
Drainage area 201  square miles
Gage datum 637.49 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 1950-10-01 -> 2020-09-30)

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 69 57 134 295 232 249 307 107 85 58 117 83
2 60 61 162 216 183 212 287 70 82 64 110 81
3 59 78 200 167 189 218 179 86 71 74 104 68
4 86 103 238 151 241 211 127 104 65 60 110 65
5 59 109 279 148 280 226 208 91 93 102 102 61
6 60 103 187 155 196 214 332 77 120 156 82 61
7 77 105 157 154 225 176 227 60 103 155 72 59
8 80 97 230 143 237 207 189 51 81 152 66 57
9 60 113 333 160 210 226 195 69 84 113 63 55
10 52 122 454 160 317 225 196 127 116 124 77 52
11 52 110 447 183 362 195 201 103 98 84 66 51
12 66 90 369 172 263 216 142 117 83 58 66 55
13 100 82 416 162 256 284 146 125 107 56 77 55
14 111 82 381 165 224 295 251 133 119 61 77 89
15 78 82 308 170 185 303 150 117 108 62 71 103
16 80 89 220 163 197 253 128 124 68 52 108 97
17 80 118 175 185 288 284 102 148 64 77 114 71
18 66 135 191 342 303 258 105 127 59 158 121 63
19 77 146 252 309 278 256 132 86 56 116 87 57
20 100 246 353 273 241 298 135 120 59 74 94 57
21 71 275 314 250 200 294 128 195 50 61 85 59
22 65 197 279 184 179 282 142 136 52 63 93 62
23 63 198 253 177 204 305 124 110 77 103 96 66
24 87 189 212 165 224 336 148 99 84 90 82 62
25 75 226 183 198 269 285 142 110 108 70 80 88
26 58 194 183 233 295 193 131 132 130 82 83 90
27 54 166 176 238 311 169 134 152 135 78 107 94
28 50 137 191 220 323 169 105 208 67 73 96 129
29 56 109 195 217 478 146 108 213 60 81 82 107
30 67   245 224 369 246 113 133 66 130 76 82
31 65   332   275   140 77   116   82