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USGS Daily Statistics for Iowa

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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 05416900 Maquoketa River at Manchester, IA


Delaware County, Iowa
Hydrologic Unit Code 07060006
Latitude  42°28'12.0", Longitude  91°26'54.84" NAD27
Drainage area 275  square miles
Gage datum 900.41 feet above NGVD29
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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 1999-10-01 -> 2021-09-30)

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
1 176 113 220 504 395 851 438 187 202 336 221 209
2 171 109 207 449 401 610 392 192 191 1,070 193 204
3 172 113 186 478 400 503 356 209 244 604 187 184
4 176 163 186 507 443 747 302 174 299 362 239 189
5 170 134 248 415 418 873 282 166 304 331 248 188
6 162 121 265 374 370 691 300 215 311 458 219 173
7 182 127 307 422 369 511 353 226 205 344 203 165
8 194 130 430 419 343 676 420 177 176 592 190 157
9 168 138 472 399 328 971 445 171 181 476 188 152
10 152 221 714 405 339 897 446 178 187 435 202 146
11 151 224 941 492 338 704 394 182 194 306 202 140
12 143 146 665 476 404 575 346 176 229 248 192 140
13 133 152 605 406 488 687 295 170 214 225 183 143
14 127 208 963 458 473 569 251 169 174 218 174 251
15 120 188 937 439 369 617 233 149 154 221 168 293
16 116 146 681 403 327 604 214 143 163 212 161 204
17 126 136 555 391 300 567 198 148 182 199 158 176
18 127 141 493 555 285 490 203 156 160 224 158 159
19 119 181 550 595 297 545 202 150 192 238 165 153
20 161 310 675 523 310 748 223 181 411 210 160 149
21 176 347 665 466 320 615 222 221 414 201 163 150
22 178 260 547 396 409 748 364 199 301 215 164 161
23 164 223 507 354 995 817 960 184 742 358 160 159
24 147 228 489 344 616 639 1,470 177 486 437 160 162
25 143 232 448 746 469 511 749 174 297 294 160 180
26 128 240 489 700 1,150 583 389 160 255 245 164 218
27 115 263 465 678 664 520 306 162 221 233 199 223
28 111 224 455 548 514 484 287 168 201 217 215 229
29 190 320 420 443 566 436 302 158 187 208 222 208
30 120   400 395 1,600 403 246 145 177 268 208 191
31 115   456   1,140   211 138   274   181