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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 05387440 Upper Iowa River at Bluffton, IA


Winneshiek County, Iowa
Hydrologic Unit Code 07060002
Latitude  43°24'25", Longitude  91°53'56" NAD27
Drainage area 367  square miles
Gage datum 944.65 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 2002-10-01 -> 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
1 183 139 445 791 529 674 703 309 328 312 305 205
2 186 136 400 740 587 726 665 283 294 366 271 203
3 181 186 316 651 613 660 601 265 274 452 257 202
4 174 282 273 613 708 586 535 262 273 414 253 195
5 165 197 314 565 734 544 486 266 416 379 253 187
6 166 178 402 521 684 521 561 255 370 378 259 179
7 169 193 393 499 604 525 584 255 527 374 258 173
8 165 156 406 526 538 902 564 250 457 361 247 167
9 156 127 481 534 534 1,300 544 254 425 442 234 167
10 153 139 575 769 566 1,500 527 245 436 518 225 166
11 147 170 580 750 562 1,060 503 235 369 434 221 163
12 140 163 601 636 571 913 501 226 331 381 225 160
13 130 153 591 573 582 853 483 223 394 344 231 161
14 127 192 875 658 650 750 422 216 403 320 238 161
15 124 230 916 849 624 722 453 208 319 313 246 192
16 122 202 796 683 591 834 394 199 458 314 233 204
17 124 168 710 592 524 835 376 216 422 302 221 188
18 122 166 654 577 510 739 384 199 324 295 212 173
19 119 184 635 608 523 787 386 206 449 288 205 165
20 120 242 767 654 632 768 388 223 649 282 203 164
21 125 373 864 712 873 709 358 249 573 289 203 163
22 203 412 791 695 833 907 365 436 627 304 216 158
23 193 296 789 643 814 1,280 446 306 663 320 222 147
24 176 255 729 595 676 1,080 574 712 651 322 215 139
25 164 221 573 601 605 805 647 662 565 318 205 140
26 159 204 541 609 597 671 552 402 441 329 198 143
27 169 267 539 611 658 690 435 337 398 373 195 206
28 153 362 623 575 744 793 386 494 354 355 199 272
29 151 413 645 530 739 798 406 713 321 309 205 228
30 143   744 509 794 699 376 485 301 295 208 201
31 141   791   869   338 372   322   198