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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 05459500 Winnebago River at Mason City, IA


Cerro Gordo County, Iowa
Hydrologic Unit Code 07080203
Latitude  43°09'54", Longitude  93°11'33" NAD27
Drainage area 526  square miles
Gage datum 1,069.59 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 1932-10-01 -> 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
1 127 76 292 927 535 563 549 227 243 238 220 156
2 120 71 275 835 547 548 499 223 216 244 226 155
3 110 72 294 777 545 513 456 228 198 248 217 151
4 101 76 322 768 537 490 421 221 189 254 207 149
5 101 79 370 786 538 479 409 224 199 259 202 145
6 108 82 415 800 526 449 434 218 196 254 202 143
7 99 76 404 776 496 481 391 202 218 253 201 141
8 93 79 359 733 484 647 402 205 232 253 191 141
9 87 93 354 686 494 613 405 209 234 261 186 132
10 86 93 383 669 510 600 394 240 222 260 195 124
11 84 108 466 681 504 548 395 217 205 249 195 121
12 80 99 516 706 512 619 360 196 191 256 193 130
13 79 108 532 679 523 652 363 210 201 247 194 134
14 78 115 576 691 508 579 392 221 213 228 192 139
15 74 115 598 654 476 576 358 203 254 216 188 144
16 75 117 641 627 467 562 331 196 270 209 189 137
17 78 139 612 592 485 599 351 199 248 204 192 130
18 83 162 624 564 506 604 363 195 233 203 193 126
19 80 163 613 576 496 645 405 198 267 204 193 121
20 81 191 676 613 494 629 393 206 321 208 192 120
21 81 210 655 604 531 651 386 216 311 207 201 117
22 92 214 628 592 614 646 342 249 333 215 200 117
23 93 220 629 595 568 657 323 280 304 226 191 114
24 92 205 628 571 583 690 297 280 275 228 184 112
25 90 194 652 558 552 700 283 279 266 221 178 116
26 84 214 715 540 539 695 279 256 268 217 172 118
27 80 225 742 525 553 672 272 247 254 222 171 126
28 80 275 741 560 569 618 260 251 259 213 164 141
29 77 380 776 550 596 618 252 289 266 209 162 138
30 76   898 539 645 597 237 264 248 218 158 138
31 75   942   585   234 309   211   133