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USGS Surface-Water 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 05416900 Maquoketa River at Manchester, IA


Delaware County, Iowa
Hydrologic Unit Code 07060006
Latitude  42°28'12", 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 -> 2023-09-30)

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
1 171 112 215 500 421 794 414 181 198 315 224 206
2 167 107 205 447 420 573 371 184 187 983 196 202
3 168 111 184 478 418 475 337 201 235 560 189 182
4 172 159 183 509 464 696 288 168 288 338 238 186
5 166 132 244 416 434 810 270 161 293 311 246 186
6 158 119 324 381 383 652 287 206 297 426 218 171
7 178 124 331 426 377 497 336 231 199 322 202 162
8 189 127 429 421 350 644 402 209 172 549 190 155
9 164 135 465 400 334 911 438 194 176 443 188 152
10 149 214 692 404 347 841 431 186 181 408 200 146
11 148 217 906 486 346 663 379 184 187 290 203 140
12 140 142 642 469 407 545 332 176 218 242 201 139
13 131 148 585 402 486 645 284 169 205 224 192 143
14 125 200 926 450 470 537 243 167 168 220 181 245
15 118 181 901 432 369 579 240 148 149 221 174 286
16 114 142 657 397 327 566 225 142 157 209 166 200
17 124 132 537 384 301 530 203 146 175 196 163 173
18 124 136 488 540 286 459 204 153 155 218 161 157
19 117 175 605 577 296 509 200 147 184 229 167 151
20 156 298 685 509 309 694 218 175 384 203 161 147
21 171 334 660 456 317 575 215 212 388 195 164 147
22 172 251 544 400 401 694 345 192 289 207 165 157
23 158 215 558 398 960 758 889 178 690 337 161 156
24 143 220 552 375 598 595 1,350 174 455 424 160 158
25 139 224 479 746 461 480 695 174 282 293 160 176
26 125 232 503 695 1,070 557 366 158 243 254 163 213
27 114 254 473 670 632 499 290 158 211 239 197 217
28 109 218 459 559 493 462 272 169 193 222 213 223
29 185 320 422 486 540 415 286 186 180 215 219 203
30 118   403 423 1,470 383 234 159 170 274 205 186
31 113   456   1,060   202 144   278   177