Warning: Javascript must be enabled to use all the features on this page!


Page Loading - Please Wait...

Click to hideNews Bulletins

USGS Surface-Water Daily Statistics for Iowa

Click to hide state-specific text

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 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
Output formats
HTML table of all data
Tab-separated data
Reselect output format

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 -> 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
1 136 139 403 584 451 594 529 298 274 184 184 165
2 134 139 385 548 463 561 482 299 219 204 184 165
3 137 144 370 486 446 483 462 302 204 192 179 161
4 136 149 401 529 414 498 443 281 229 193 175 160
5 132 160 391 523 405 546 440 339 215 189 175 156
6 138 166 346 474 475 473 533 353 204 199 176 154
7 129 163 334 425 513 506 529 355 189 207 172 153
8 127 164 306 400 446 667 456 305 190 220 170 152
9 124 191 324 379 403 653 486 309 204 218 178 151
10 123 211 359 370 402 526 540 276 189 227 182 149
11 123 183 401 359 426 510 471 238 190 222 182 147
12 121 181 506 369 425 674 449 267 251 215 185 148
13 121 194 672 387 415 710 426 264 330 203 190 147
14 124 210 768 374 407 803 426 276 240 193 185 176
15 122 189 723 370 388 822 371 306 194 198 181 220
16 124 188 579 367 371 923 365 275 182 206 178 197
17 124 228 505 363 389 941 417 264 197 218 176 181
18 125 295 558 351 445 825 463 243 201 214 185 162
19 148 452 557 361 498 820 441 239 189 213 193 153
20 141 415 563 390 436 869 377 261 192 205 195 154
21 133 363 499 403 462 973 367 281 194 196 194 148
22 127 318 461 432 443 801 377 279 190 190 189 141
23 125 321 472 424 474 619 375 272 188 195 183 139
24 121 279 489 396 529 604 398 236 188 197 176 135
25 120 264 488 379 517 600 354 227 187 190 171 137
26 119 269 516 395 511 609 306 213 189 185 169 157
27 118 375 573 460 536 755 306 230 184 182 170 162
28 116 375 681 482 667 721 343 261 178 177 169 183
29 116 582 709 450 626 638 325 271 175 174 170 167
30 118   679 418 514 603 299 304 178 177 169 164
31 134   560   665   322 341   181   145