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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 03270000 Mad River near Dayton OH


Greene County, Ohio
Hydrologic Unit Code 05080001
Latitude  39°47'50", Longitude  84°05'19" NAD27
Drainage area 635  square miles
Contributing drainage area 635  square miles
Gage datum 776.26 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 1973-10-01 -> 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 1,090 857 1,050 1,020 954 845 750 466 411 459 507 826
2 963 813 1,150 1,040 1,110 976 828 469 469 448 569 782
3 866 900 1,090 1,110 1,130 998 767 480 467 409 474 736
4 1,060 890 1,250 1,360 1,080 925 747 487 426 457 452 692
5 1,110 906 1,300 1,190 1,090 889 699 486 390 519 465 722
6 1,020 955 1,210 1,010 1,020 1,010 653 526 365 471 574 769
7 897 983 1,100 932 975 834 673 459 342 445 496 652
8 861 979 1,150 1,070 1,070 826 674 481 376 430 452 600
9 833 822 1,090 1,070 1,040 827 675 511 441 425 449 614
10 752 794 1,120 1,060 1,020 812 623 444 420 432 495 621
11 864 834 1,170 1,040 1,050 800 615 431 374 405 556 638
12 1,030 818 1,170 1,120 1,090 829 784 454 399 387 552 674
13 962 780 1,260 1,060 1,040 889 799 411 408 387 557 628
14 916 778 1,310 1,190 996 1,010 773 384 480 398 504 684
15 852 786 1,250 1,130 1,010 954 719 403 476 410 559 739
16 804 934 1,140 1,090 1,010 895 609 391 391 385 616 759
17 791 1,010 1,030 1,010 1,030 880 672 412 386 431 588 815
18 905 1,050 1,020 897 1,140 819 715 411 365 459 583 834
19 970 962 1,190 933 1,190 828 656 420 367 424 607 758
20 864 920 1,280 1,090 1,080 764 629 409 363 448 564 719
21 810 998 1,210 1,070 944 760 606 432 377 434 523 797
22 851 1,130 1,040 951 976 707 646 412 392 405 527 891
23 951 1,260 1,030 952 926 702 626 401 398 419 570 908
24 997 1,330 1,100 993 878 683 561 416 409 447 561 883
25 852 1,280 1,030 961 822 647 526 387 415 487 603 782
26 905 1,050 1,040 1,040 938 635 523 353 468 477 793 747
27 905 970 952 948 960 666 563 366 517 466 796 764
28 885 1,060 964 900 919 672 533 394 505 551 856 803
29 791 758 1,090 969 849 820 546 423 441 502 808 805
30 784   1,170 986 816 746 525 437 418 479 754 847
31 866   1,140   849   498 446   455   1,020