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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 05470000 South Skunk River near Ames, IA


Story County, Iowa
Hydrologic Unit Code 07080105
Latitude  42°03'59.5", Longitude  93°37'11.7" NAD27
Drainage area 315  square miles
Gage datum 888.61 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 1920-10-01 -> 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 81 69 192 396 313 396 399 141 105 129 142 97
2 77 70 181 338 313 394 347 131 95 142 133 93
3 73 67 209 313 311 353 319 111 102 138 118 89
4 68 73 239 316 314 347 328 103 85 132 113 85
5 67 103 254 307 314 324 289 93 82 120 114 87
6 75 100 264 316 299 336 251 94 104 114 120 96
7 70 72 267 290 315 311 232 99 104 110 126 89
8 61 73 244 263 323 322 230 101 111 116 117 83
9 53 84 265 273 323 404 326 152 93 147 105 78
10 51 90 284 262 305 359 226 178 77 154 104 74
11 51 85 315 265 276 395 231 219 86 165 103 72
12 48 69 348 310 294 450 229 178 90 172 115 77
13 47 76 420 323 321 531 204 121 96 150 108 94
14 51 100 476 308 332 501 195 102 118 134 106 120
15 49 133 435 315 282 466 194 79 104 138 101 136
16 57 140 406 316 297 455 179 113 105 126 102 109
17 60 130 371 307 291 461 219 103 119 115 112 90
18 73 136 376 303 297 459 185 112 110 117 107 81
19 76 173 420 283 371 490 187 106 123 118 105 79
20 68 200 421 275 375 431 180 120 163 106 104 72
21 66 195 349 283 337 386 152 142 163 102 102 69
22 61 186 313 273 340 426 138 128 135 116 99 69
23 56 206 329 259 326 466 154 127 119 127 100 70
24 52 192 342 255 339 395 151 122 120 129 94 72
25 52 167 343 292 366 448 133 96 125 112 90 83
26 53 159 320 334 390 381 125 111 139 100 89 83
27 56 154 340 321 432 400 143 120 139 93 96 88
28 54 154 343 299 427 407 145 132 124 90 100 104
29 59 176 350 282 404 356 148 196 129 92 100 97
30 60   372 285 466 392 153 182 138 117 98 103
31 58   373   399   146 118   134   92