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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 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
1 134 137 408 577 450 593 519 295 267 181 181 162
2 132 138 387 542 464 561 474 295 214 200 181 162
3 135 143 369 481 462 483 455 297 199 188 176 158
4 135 148 398 523 436 497 437 276 223 189 172 157
5 130 159 387 517 424 543 434 332 210 185 172 153
6 136 166 343 469 487 472 524 346 200 195 173 151
7 127 163 331 420 533 503 520 348 184 202 169 150
8 125 165 303 396 472 661 451 299 185 216 167 149
9 123 192 321 376 425 646 479 303 199 213 175 148
10 121 210 355 366 418 522 530 271 186 222 179 146
11 121 184 396 355 439 506 463 234 187 218 179 144
12 119 182 498 365 434 666 442 262 246 211 182 145
13 119 194 660 382 423 701 419 259 323 200 186 144
14 122 217 753 369 417 785 418 270 235 190 181 172
15 120 223 709 366 398 803 365 300 190 195 178 216
16 122 194 568 362 380 900 359 269 178 203 175 194
17 123 229 497 358 396 918 409 259 193 215 173 177
18 124 293 548 347 449 807 453 239 197 210 182 159
19 146 446 546 357 499 804 431 234 185 209 189 151
20 140 410 554 386 438 853 370 255 189 201 191 151
21 132 360 490 399 467 954 360 275 190 192 190 146
22 126 314 453 428 456 786 370 273 186 187 186 138
23 124 317 464 419 487 611 368 266 185 191 179 137
24 120 276 480 392 538 599 390 231 184 193 173 133
25 119 262 480 375 523 596 347 222 183 187 167 135
26 119 267 511 391 516 599 301 208 185 181 166 154
27 117 398 572 456 538 739 300 225 180 178 167 160
28 115 393 675 480 665 706 336 255 174 174 165 180
29 115 558 701 449 623 626 324 265 172 171 167 165
30 117   671 418 514 591 297 297 175 174 165 162
31 133   554   661   319 333   178   143