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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 -> 2024-09-30)

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
1 134 137 411 579 447 588 519 293 268 181 181 162
2 132 138 391 543 458 556 473 293 215 200 181 162
3 135 143 372 482 442 478 453 297 200 188 176 158
4 135 148 402 524 410 493 435 275 224 189 172 157
5 130 159 391 519 401 540 433 332 211 185 172 153
6 136 166 346 470 470 468 524 347 200 195 173 151
7 127 163 334 421 508 501 519 349 185 202 169 150
8 125 165 306 397 442 660 449 300 186 216 167 149
9 123 192 324 376 399 646 478 304 200 213 175 148
10 121 210 358 366 399 521 531 272 186 222 179 146
11 121 184 400 356 422 505 463 234 187 218 179 144
12 119 182 503 366 421 667 442 262 246 211 182 145
13 119 194 667 384 413 702 419 260 323 200 186 144
14 122 217 761 371 408 788 419 270 235 190 181 172
15 120 223 716 367 390 806 365 301 190 195 178 216
16 122 194 574 364 372 904 359 270 178 203 175 194
17 123 229 501 360 389 922 409 259 193 215 173 177
18 124 293 553 348 443 809 455 239 197 210 182 159
19 146 446 552 358 495 804 433 235 185 209 189 151
20 140 410 559 387 434 852 370 256 189 201 191 151
21 132 360 495 400 459 953 360 276 190 192 190 146
22 126 314 458 429 440 785 371 274 186 187 186 138
23 124 317 469 421 470 607 368 267 185 191 179 137
24 120 276 485 393 524 592 391 232 184 193 173 133
25 119 262 484 376 512 589 348 223 183 187 167 135
26 119 267 512 392 507 597 301 209 185 181 166 154
27 117 402 568 455 531 740 301 225 180 178 167 160
28 115 397 675 478 660 706 336 256 174 174 165 180
29 115 582 702 446 619 626 319 266 172 171 167 165
30 117   673 414 509 591 293 297 175 174 165 162
31 133   555   659   316 334   178   143