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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 06607200 Maple River at Mapleton, IA


Monona County, Iowa
Hydrologic Unit Code 10230005
Latitude  42°09'24.4", Longitude  95°48'37.0" NAD83
Drainage area 669  square miles
Gage datum 1,081.31 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 1941-10-01 -> 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
1 133 137 408 577 450 593 519 295 267 179 180 161
2 132 138 387 542 464 561 474 295 214 198 180 161
3 134 143 369 481 462 483 455 297 199 187 175 157
4 134 148 398 523 436 497 437 276 223 188 171 156
5 129 159 387 517 424 543 434 332 210 184 171 152
6 135 166 343 469 487 472 524 346 200 193 172 150
7 127 163 331 420 533 503 520 348 184 201 168 150
8 124 165 303 396 472 661 451 299 185 214 166 149
9 123 192 321 376 425 646 479 303 199 212 174 148
10 121 210 355 366 418 522 530 271 185 220 178 145
11 120 184 396 355 439 506 463 234 186 216 178 143
12 119 182 498 365 434 666 442 262 244 209 181 144
13 119 194 660 382 423 701 419 259 320 198 185 143
14 121 217 753 369 417 785 418 270 234 189 181 171
15 120 223 709 366 398 803 365 300 189 193 178 214
16 122 194 568 362 380 900 359 269 177 201 174 192
17 123 229 497 358 396 918 409 259 192 213 172 176
18 123 293 548 347 449 807 453 239 196 209 181 158
19 146 446 546 357 499 804 431 234 184 208 189 150
20 139 410 554 386 438 853 370 255 187 200 191 150
21 131 360 490 399 467 954 360 275 189 191 190 145
22 126 314 453 428 456 786 370 273 185 185 186 138
23 123 317 464 419 487 611 368 266 183 190 179 136
24 119 276 480 392 538 599 390 231 183 191 172 133
25 119 262 480 375 523 596 347 222 182 185 167 134
26 118 267 511 391 516 599 301 208 184 180 165 154
27 117 398 572 456 538 739 300 225 179 177 167 160
28 115 393 675 480 665 706 336 255 173 173 165 180
29 115 558 701 449 623 626 324 265 171 170 166 164
30 117   671 418 514 591 297 297 173 173 164 161
31 132   554   661   319 333   177   143