Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Daily Statistics for Iowa

Click to hide state-specific text

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 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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 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 68 57 135 294 232 247 304 106 84 57 115 82
2 60 60 163 216 183 211 284 69 81 63 108 80
3 58 77 201 168 189 216 178 85 70 73 103 68
4 85 101 242 152 241 210 128 103 64 59 108 64
5 59 107 284 149 280 226 207 90 91 100 100 61
6 60 101 193 156 196 213 328 76 118 153 80 60
7 76 103 170 154 225 175 225 59 102 152 71 59
8 79 96 250 145 237 205 188 51 81 150 65 56
9 60 111 344 161 210 236 193 68 83 111 62 55
10 52 120 459 163 317 260 195 125 114 122 76 52
11 51 109 448 196 362 212 200 101 98 82 66 51
12 65 89 369 179 263 221 141 116 83 57 65 56
13 99 81 414 162 256 286 145 124 106 55 76 55
14 110 80 379 165 224 294 247 131 117 60 76 89
15 77 81 310 170 185 302 149 115 106 61 70 102
16 79 87 225 163 197 252 127 122 67 51 106 96
17 79 116 180 185 288 283 102 145 63 75 112 71
18 66 133 195 342 303 256 104 125 58 155 119 63
19 75 143 254 309 278 254 131 85 55 113 86 57
20 98 242 352 273 241 296 134 118 58 72 93 57
21 70 270 313 250 198 291 127 191 49 60 83 59
22 64 193 278 184 177 280 141 134 51 62 91 62
23 62 195 252 177 202 308 123 108 76 102 94 66
24 86 186 217 165 222 335 146 98 83 91 81 61
25 74 223 187 198 266 283 140 108 106 69 80 88
26 57 192 189 233 291 193 130 129 128 81 86 89
27 53 164 186 238 307 170 134 150 132 77 107 93
28 50 136 200 220 321 175 104 204 66 72 96 127
29 55 109 199 217 475 148 107 209 59 80 81 106
30 66   247 224 366 245 112 131 65 128 76 81
31 64   331   273   139 76   114   81