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USGS 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 04185318 Tiffin River near Evansport OH


Defiance County, Ohio
Hydrologic Unit Code 04100006
Latitude  41°22'57", Longitude  84°24'58" NAD83
Drainage area 563  square miles
Gage datum 657.75 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 2013-10-01 -> 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
1 910 537 1,230 1,370 697 646 917 277 88 178 558 454
2 868 463 1,270 1,390 851 765 791 206 78 165 622 477
3 813 423 1,280 1,340 1,060 763 637 145 69 155 634 452
4 829 425 1,220 1,440 1,350 660 472 115 59 144 594 397
5 742 472 1,130 1,460 1,400 601 378 97 53 187 584 355
6 612 493 1,010 1,340 1,290 569 343 85 49 194 570 360
7 489 521 909 1,300 1,130 548 325 78 46 184 507 346
8 377 610 827 1,200 956 614 272 110 45 182 432 284
9 316 651 727 1,110 840 553 317 181 45 197 358 243
10 337 676 751 999 798 482 475 135 49 180 309 235
11 420 655 839 929 662 539 517 98 99 149 275 265
12 700 618 906 938 559 501 464 83 111 120 225 300
13 910 589 932 852 503 450 483 87 91 100 174 279
14 931 536 960 730 527 579 555 90 93 95 153 250
15 855 477 1,070 737 622 533 564 131 80 151 142 251
16 760 464 1,130 764 689 599 484 170 66 249 137 257
17 697 565 1,060 691 775 621 431 150 57 251 142 257
18 656 652 941 598 886 550 463 138 55 203 196 245
19 625 664 963 565 1,170 471 401 225 51 158 323 248
20 643 710 1,060 616 1,280 415 309 224 46 128 348 227
21 619 889 994 751 1,130 474 267 207 52 122 333 251
22 549 1,080 868 741 975 480 356 204 57 116 316 382
23 513 1,290 813 653 835 567 338 169 89 127 316 457
24 556 1,400 819 568 726 569 324 119 134 120 360 438
25 659 1,360 830 490 646 461 370 96 133 235 374 405
26 747 1,260 795 498 602 380 391 97 118 384 366 403
27 769 1,160 818 500 577 464 380 89 106 440 426 514
28 723 1,230 910 504 551 943 370 94 119 445 458 572
29 701 417 1,000 505 521 1,110 371 85 142 473 490 628
30 677   1,050 548 478 969 353 90 182 499 478 759
31 612   1,230   558   317 102   520   852