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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 05449500 Iowa River near Rowan, IA


Wright County, Iowa
Hydrologic Unit Code 07080207
Latitude  42°45'35.9", Longitude  93°37'17.9" NAD27
Drainage area 429  square miles
Gage datum 1,143.35 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
1 107 63 237 675 462 539 549 180 191 185 154 121
2 95 61 253 652 468 505 504 174 184 185 173 123
3 87 63 247 609 474 471 454 168 163 190 178 120
4 82 63 266 584 469 436 420 156 143 192 175 117
5 80 64 277 593 463 445 397 156 141 192 167 114
6 87 66 292 596 448 412 393 155 148 190 160 116
7 80 64 298 588 446 396 381 144 153 193 157 118
8 78 65 294 566 446 418 369 137 159 206 154 113
9 72 76 294 528 439 537 368 142 165 212 144 104
10 68 95 307 501 430 580 375 154 170 208 140 98
11 69 103 330 483 423 545 367 148 166 204 138 95
12 65 103 358 509 427 526 344 145 151 206 137 99
13 63 104 396 541 437 539 314 157 143 196 140 110
14 63 111 437 557 451 577 298 164 136 185 142 118
15 64 107 468 556 452 565 283 171 129 182 140 122
16 63 107 486 546 443 547 261 161 130 175 136 123
17 65 118 489 523 434 602 267 149 134 165 138 121
18 67 147 499 492 450 622 282 146 136 167 146 114
19 68 155 505 467 449 681 271 147 147 165 147 106
20 68 187 513 460 433 688 272 150 181 162 146 102
21 71 206 496 465 418 681 275 152 223 160 146 97
22 74 207 475 470 436 656 272 148 250 162 148 92
23 73 205 466 467 480 664 258 164 263 171 145 88
24 72 206 474 458 508 667 244 182 263 179 140 87
25 70 199 493 450 496 623 236 180 242 180 134 93
26 68 197 530 434 492 615 231 174 227 175 130 96
27 64 203 568 435 517 632 221 170 214 167 129 100
28 64 208 589 445 528 632 222 163 202 160 128 109
29 65 374 617 454 542 595 209 176 192 151 125 117
30 66   636 460 551 579 196 198 189 147 120 116
31 65   653   541   190 197   146   112