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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 -> 2022-09-30)

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 79 185 238 443 481 361 244 89 110 87 237 141
2 87 188 299 329 438 310 176 110 67 125 171 166
3 73 106 381 345 472 302 270 76 95 148 137 92
4 66 141 390 440 425 276 416 227 97 74 105 113
5 68 175 349 386 390 720 563 115 75 90 89 158
6 148 140 294 320 492 480 518 158 76 105 99 131
7 76 153 245 292 798 254 335 140 102 105 89 81
8 65 144 361 364 637 396 443 263 105 145 58 87
9 58 138 385 370 575 724 286 118 126 330 77 77
10 56 121 574 384 522 746 306 80 393 205 131 64
11 59 122 543 486 511 521 326 101 127 261 111 72
12 98 138 488 533 570 792 412 194 145 254 131 63
13 194 183 649 420 635 810 209 74 340 105 120 95
14 89 169 513 439 469 623 172 83 260 278 103 282
15 116 168 519 529 471 630 196 121 240 141 88 136
16 121 169 495 684 401 636 368 70 286 70 177 88
17 132 189 533 500 585 610 270 54 145 56 193 79
18 102 318 480 905 432 475 371 75 147 104 121 72
19 107 377 704 638 342 528 383 199 125 70 96 65
20 124 401 558 474 286 438 411 184 177 68 130 69
21 104 281 337 518 481 528 271 120 203 90 99 65
22 81 217 373 493 553 552 162 89 126 152 83 66
23 90 238 408 416 420 362 119 307 240 242 81 116
24 78 272 495 423 404 313 141 406 189 221 92 203
25 77 254 478 666 812 733 165 252 302 143 110 133
26 98 213 454 436 674 510 148 439 211 98 105 104
27 132 233 427 664 527 532 221 313 117 74 149 194
28 102 291 486 449 544 284 423 151 71 85 160 229
29 98 172 523 395 795 277 532 129 82 91 108 153
30 105   680 440 508 275 154 72 106 98 113 230
31 98   608   389   141 68   174   122