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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 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
1 179 143 360 651 439 473 485 241 236 204 191 166
2 160 151 393 640 472 565 423 240 195 186 187 166
3 147 156 379 543 469 476 442 219 177 180 178 160
4 146 152 451 550 429 457 430 207 193 171 170 155
5 143 154 373 543 437 581 430 269 216 175 167 151
6 148 147 354 494 535 501 466 304 191 184 168 159
7 141 144 349 458 523 486 435 265 179 225 167 154
8 137 144 297 408 426 559 405 236 193 274 163 152
9 135 196 310 375 379 569 426 262 189 279 172 151
10 130 259 394 352 400 532 467 260 167 268 176 148
11 129 204 417 333 409 563 417 215 167 233 174 150
12 129 160 491 382 420 621 379 197 173 211 219 153
13 133 159 619 405 385 595 394 188 173 190 205 158
14 132 174 718 366 356 716 393 177 162 179 185 201
15 128 214 698 365 345 774 331 183 157 183 178 219
16 128 196 630 353 339 809 323 190 165 188 174 206
17 132 208 595 322 368 845 457 193 157 199 178 202
18 163 272 671 317 365 863 482 223 154 207 192 180
19 151 648 727 357 445 758 470 265 160 190 196 160
20 139 586 702 426 452 629 465 249 174 177 181 152
21 142 459 644 483 468 761 422 221 210 172 176 147
22 137 405 528 513 447 816 390 219 211 177 179 142
23 133 349 504 470 482 684 366 213 214 213 178 142
24 128 310 574 406 503 719 346 212 230 214 171 139
25 125 264 538 417 469 711 322 185 229 191 172 139
26 123 263 518 437 612 724 280 192 216 178 170 162
27 124 279 548 456 552 649 265 194 185 172 167 179
28 125 326 591 502 591 589 278 227 170 169 163 187
29 125 372 597 416 684 533 318 301 191 169 160 200
30 125   608 383 573 502 277 328 211 171 161 205
31 135   559   566   265 285   194   184