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USGS Daily Statistics for the Nation

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 05449500 Iowa River near Rowan, IA


Wright County, Iowa
Hydrologic Unit Code 07080207
Latitude  42°45'35.9", Longitude  93°37'17.9" NAD83
Drainage area 429  square miles
Gage datum 1,143.35 feet above NAVD88
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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 -> 2025-09-30)

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
1 103 62 255 655 473 534 574 206 187 178 152 118
2 92 61 271 635 480 500 524 200 180 178 169 119
3 85 63 261 597 489 466 472 192 159 183 174 117
4 80 63 275 575 486 436 435 175 143 185 171 114
5 78 64 282 581 481 446 411 171 142 185 163 110
6 85 66 294 582 466 416 406 166 148 183 156 112
7 78 64 297 573 462 399 396 152 151 186 153 114
8 76 64 291 551 461 423 391 144 155 198 150 110
9 70 76 291 514 453 539 389 147 161 204 141 102
10 67 93 304 487 444 580 387 157 165 200 136 96
11 68 101 327 470 434 545 378 152 161 196 135 93
12 64 100 353 495 436 525 358 148 147 198 136 97
13 62 101 388 527 443 534 327 159 139 189 139 106
14 62 108 426 550 459 569 309 165 133 178 140 114
15 63 107 456 551 463 557 290 171 126 175 138 118
16 61 109 474 542 456 546 265 161 126 168 134 119
17 63 119 478 521 447 603 268 150 130 159 136 117
18 66 147 485 492 458 626 281 148 132 161 143 111
19 67 154 490 470 452 688 274 144 142 159 144 103
20 67 184 497 465 434 697 283 147 175 156 143 99
21 69 202 481 472 426 686 293 149 215 154 143 94
22 72 202 461 479 455 663 295 145 241 156 145 90
23 71 201 455 475 502 678 281 161 253 165 142 86
24 70 201 464 463 528 681 265 176 253 172 137 85
25 68 194 481 455 514 637 256 174 233 174 131 91
26 66 192 518 440 508 634 249 168 219 169 127 94
27 62 206 555 440 530 653 237 164 206 161 125 98
28 63 221 573 448 537 652 235 159 194 156 125 106
29 64 358 599 458 547 620 221 174 185 150 122 114
30 65   616 468 551 606 212 197 183 147 117 113
31 64   634   539   212 195   146   109