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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 05471000 South Skunk River below Squaw Creek near Ames, IA


Story County, Iowa
Hydrologic Unit Code 07080105
Latitude  42°00'24", Longitude  93°35'43" NAD27
Drainage area 556  square miles
Gage datum 857.10 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 1952-10-01 -> 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
1 176 144 371 790 649 760 883 283 268 268 260 176
2 167 149 331 649 612 622 781 279 260 312 241 173
3 161 134 340 572 600 608 636 266 221 278 230 163
4 143 130 324 573 583 585 754 253 187 225 212 155
5 136 117 346 572 582 576 701 212 197 197 208 151
6 128 124 360 573 563 632 567 210 244 199 221 145
7 122 120 334 529 679 633 479 213 232 191 242 135
8 116 116 349 484 754 774 526 231 199 211 222 131
9 110 141 441 532 665 887 874 392 184 327 197 127
10 103 188 497 489 642 820 778 491 165 344 184 122
11 107 168 565 468 571 897 741 719 193 375 177 122
12 105 138 705 503 671 1,060 623 522 208 347 173 137
13 98 138 818 499 785 986 512 311 217 268 184 193
14 101 144 987 482 728 1,050 523 220 237 267 190 276
15 95 132 828 517 586 1,040 477 264 203 272 178 315
16 96 152 677 527 536 915 419 423 173 246 186 245
17 121 159 611 546 548 1,110 497 578 194 214 231 197
18 153 222 627 601 562 1,090 559 329 190 226 219 171
19 154 373 772 540 545 1,100 451 299 171 218 196 159
20 140 443 805 537 528 871 407 336 266 190 190 147
21 136 401 659 582 552 854 365 346 272 181 210 148
22 123 314 586 580 579 927 334 320 244 208 200 149
23 106 339 606 555 596 931 360 294 258 249 193 147
24 101 322 626 525 682 843 351 283 226 260 184 146
25 97 282 600 631 755 891 300 217 270 218 179 151
26 95 248 576 748 769 845 252 250 304 196 176 158
27 91 250 555 719 844 1,010 285 275 297 185 190 174
28 88 263 536 648 837 905 291 331 235 177 181 188
29 87 298 551 591 800 740 242 432 259 183 173 177
30 89   717 568 1,000 790 292 478 295 237 172 190
31 103   741   933   249 285   269   170