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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 03225500 Olentangy River near Delaware OH


Delaware County, Ohio
Hydrologic Unit Code 05060001
Latitude  40°21'18", Longitude  83°04'02" NAD27
Drainage area 393  square miles
Contributing drainage area 393  square miles
Gage datum 877.67 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 1950-10-01 -> 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
1 533 639 775 454 469 392 374 95 76 94 199 507
2 578 643 743 367 499 418 376 98 68 95 210 505
3 615 735 739 377 512 386 336 133 64 112 178 479
4 675 774 713 474 470 342 346 128 76 91 160 460
5 652 673 770 548 463 362 398 113 88 93 209 418
6 527 580 883 667 525 458 344 74 79 120 216 399
7 500 435 1,030 725 498 418 278 86 54 115 215 478
8 464 451 992 683 472 402 286 94 59 113 214 486
9 507 513 946 662 459 386 314 120 71 87 213 444
10 598 574 1,010 656 415 368 310 152 84 72 213 409
11 533 608 1,080 629 347 347 270 136 60 87 186 445
12 500 596 1,070 646 350 374 308 140 39 77 221 429
13 572 568 969 727 518 365 347 159 38 69 338 501
14 579 491 854 741 591 367 359 134 44 62 317 532
15 578 460 855 727 545 439 348 131 60 72 326 489
16 491 541 852 663 544 400 393 112 53 69 383 479
17 490 650 889 560 579 281 382 81 45 60 399 437
18 547 675 884 509 498 297 349 84 56 67 380 419
19 573 686 823 479 457 359 355 78 73 74 406 431
20 537 737 723 485 442 336 280 108 91 91 402 402
21 462 823 673 524 428 303 181 131 86 97 397 411
22 428 863 705 552 381 302 162 141 61 96 394 407
23 490 810 792 592 439 319 206 148 82 97 394 364
24 569 712 836 629 452 334 224 151 99 141 380 417
25 643 641 728 590 447 352 191 119 81 166 381 461
26 839 664 665 629 449 349 140 86 66 128 379 557
27 837 749 608 593 446 317 141 78 76 117 394 636
28 699 758 541 573 443 333 147 70 117 116 393 643
29 620 504 597 567 395 344 115 67 138 152 446 573
30 661   682 549 358 319 90 72 145 199 484 535
31 638   650   346   86 75   187   544