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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 06602400 Monona-Harrison Ditch near Turin, IA


Monona County, Iowa
Hydrologic Unit Code 10230004
Latitude  41°57'53.7", Longitude  95°59'30.3" NAD83
Drainage area 900  square miles
Gage datum 1,015.48 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 1958-10-01 -> 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
1 179 143 356 644 435 468 485 241 236 204 191 166
2 160 151 388 634 467 559 423 240 195 186 187 166
3 147 155 374 539 464 473 442 219 177 180 178 160
4 146 151 445 545 425 456 430 207 193 171 170 155
5 143 152 369 538 432 577 430 269 216 175 167 151
6 148 146 350 489 528 498 466 304 191 184 168 159
7 141 144 345 454 517 482 435 265 179 225 167 154
8 137 143 297 404 422 554 405 236 193 274 163 152
9 135 195 309 372 375 564 426 262 189 279 172 151
10 130 256 391 349 396 527 467 260 167 268 176 148
11 129 202 414 330 405 557 417 215 167 233 174 150
12 129 159 487 379 416 615 379 197 173 211 219 153
13 133 158 613 401 381 588 394 188 173 190 205 158
14 132 173 710 363 352 707 393 177 162 179 185 201
15 128 212 690 361 342 764 331 183 157 183 178 219
16 128 194 623 350 335 799 323 190 165 188 174 206
17 132 206 588 319 364 835 457 193 157 199 178 202
18 163 270 664 314 361 853 482 223 154 207 192 180
19 151 639 718 353 440 751 470 265 160 190 196 160
20 139 579 693 422 449 624 465 249 174 177 181 152
21 142 453 637 477 464 754 422 221 210 172 176 147
22 137 400 522 508 442 807 390 219 211 177 179 142
23 133 345 500 465 477 677 366 213 214 213 178 142
24 128 306 569 402 498 711 346 212 230 214 171 139
25 125 261 533 413 464 704 322 185 229 191 172 139
26 123 261 513 432 605 719 280 192 216 178 170 162
27 124 276 543 452 546 645 265 194 185 172 167 179
28 125 323 585 497 584 585 278 227 170 169 163 187
29 125 372 591 412 676 530 318 301 191 169 160 200
30 125   601 379 567 501 277 328 211 171 161 205
31 135   554   560   265 285   194   184