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USGS Surface-Water 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 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 945.50 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 2002-10-01 -> 2022-09-30)

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
1 197 143 334 833 527 702 752 301 332 330 323 219
2 200 138 331 737 593 764 711 277 299 390 294 217
3 196 197 271 657 620 693 642 259 278 485 278 215
4 187 309 244 626 721 612 567 258 280 444 274 208
5 176 212 286 576 745 568 510 263 439 405 273 199
6 177 190 325 525 694 542 550 254 389 404 280 190
7 180 207 348 505 610 544 554 250 563 399 279 184
8 176 164 389 536 542 945 524 241 487 385 267 177
9 165 130 481 549 540 1,370 491 246 451 474 252 177
10 163 143 594 811 576 1,600 491 239 462 558 242 175
11 157 179 604 793 574 1,120 488 230 389 465 235 171
12 150 172 629 667 586 965 498 219 347 407 229 166
13 140 160 624 597 576 896 487 213 417 366 226 170
14 137 205 940 662 634 779 425 206 428 339 239 170
15 134 212 986 864 563 742 388 198 335 332 252 201
16 131 172 846 697 510 817 362 191 489 333 240 216
17 131 147 728 605 484 819 357 211 450 321 228 198
18 125 161 670 592 489 738 375 194 342 313 219 182
19 122 187 663 624 515 803 383 202 480 305 213 174
20 124 257 812 648 643 793 390 222 702 299 212 172
21 130 409 921 677 914 735 360 249 618 306 212 170
22 220 441 840 660 875 960 371 456 678 323 227 165
23 209 314 830 621 858 1,370 463 313 715 341 235 153
24 189 268 761 575 709 1,160 483 764 703 342 227 143
25 176 230 586 589 629 855 573 709 609 338 216 145
26 171 211 555 605 610 709 486 422 472 351 210 150
27 183 230 559 614 657 733 400 351 425 399 207 224
28 164 256 654 579 753 848 361 522 377 378 214 300
29 160 413 682 532 757 850 392 757 341 327 220 249
30 149   792 510 825 746 366 491 319 312 223 218
31 145   844   914   329 376   343   215