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USGS Daily Statistics for Iowa

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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 05487470 South River near Ackworth, IA


Warren County, Iowa
Hydrologic Unit Code 07100008
Latitude  41°20'14", Longitude  93°29'10" NAD27
Drainage area 460  square miles
Gage datum 769.97 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 1940-10-01 -> 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 80 186 240 446 488 369 249 87 111 88 237 143
2 88 190 302 331 446 316 179 109 67 127 171 168
3 74 107 385 347 439 309 276 76 96 150 137 93
4 67 142 394 443 415 282 426 229 98 75 106 114
5 68 177 352 388 390 737 577 116 75 91 89 160
6 150 142 297 321 496 484 530 160 77 106 99 132
7 76 155 247 286 811 252 342 141 103 107 89 82
8 65 145 365 307 648 386 453 265 106 147 59 88
9 58 139 389 358 558 731 292 119 128 334 77 77
10 57 122 581 383 518 760 285 80 397 207 132 65
11 60 123 549 491 516 531 287 102 128 264 88 73
12 98 140 494 541 579 809 409 196 146 256 121 64
13 196 184 657 426 647 829 207 74 344 105 117 95
14 90 171 518 446 478 637 171 84 263 280 101 285
15 117 170 524 539 480 645 195 123 243 141 87 138
16 122 171 499 698 409 651 371 71 289 70 178 88
17 134 191 538 509 592 625 274 55 146 57 194 79
18 103 321 484 924 434 487 373 76 149 105 122 72
19 108 381 708 651 345 539 386 202 126 71 97 65
20 125 406 561 483 288 433 415 186 179 68 130 70
21 105 284 339 528 484 531 272 122 205 91 99 66
22 81 219 374 500 560 562 162 90 126 153 83 67
23 91 240 396 418 427 369 119 311 243 245 82 117
24 79 275 492 426 411 318 141 411 191 219 93 205
25 78 257 478 677 829 741 165 255 305 113 110 134
26 99 215 456 444 678 514 149 444 213 90 106 105
27 133 235 430 678 530 542 223 316 119 71 150 196
28 103 294 491 458 551 289 427 153 72 56 162 231
29 99 172 527 403 811 283 538 131 83 60 108 154
30 106   687 447 518 280 155 73 107 87 114 232
31 98   614   397   137 67   170   123