Water Data Report 1997
03234500 SCIOTO RIVER AT HIGBY, OHIO
LOCATION.--Lat 39012'44", long 82051'50", in sec. 6, T.7 N., R.20 W., Ross County, Hydrologic Unit 05060002, on left
bank at downstream side of highway bridge, 0.8 mi downstream from Walnut Creek, 1.2 mi north of Higby, 3 mi
northwest of Richmondale and 5.0 mi upstream from Salt Creek.
DRAINAGE AREA.--5,131 mi2.
WATER-DISCHARGE RECORDS
PERIOD OF RECORD.--October 1930 to current year. Monthly discharge only for some periods, published in WSP 1305.
REVISED RECORDS.--WSP 893: 1937(M). WSP 1908: Drainage area.
GAGE.--Water-stage recorder. Datum of gage is 567.28 ft above sea level. Prior to Nov. 7, 1930, nonrecording gage at
same site and datum.
REMARKS.--Records good except periods of estimated records, which are poor. U.S. Army Corps of Engineers satellite
telemeter at station.
EXTREMES OUTSIDE PERIOD OF RECORD.--A stage of 31.6 ft occurred Mar. 26, 1913.
DISCHARGE, CUBIC FEET PER SECOND, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAILY MEAN VALUES
DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP
1 2710 1610 10900 6090 6230 19600 4990 1880 15100 5740 1460 1570
2 3200 1470 18400 5610 4840 45100 4090 2090 28400 8270 1330 1480
3 2560 1370 20100 5160 4240 38500 3500 2510 31900 9680 1260 1400
4 1920 1350 15400 4230 7630 26800 3180 6170 37900 8240 1380 1260
5 1740 1320 11100 4360 23300 15100 2760 7570 40600 5650 2440 1140
6 1500 1310 8440 5090 26900 12400 3410 6810 24800 3220 1910 1090
7 1390 1470 5940 5590 25900 19600 3290 5840 17400 2690 1420 1050
8 1440 2100 4920 5520 19200 23000 2650 4590 19600 2370 1260 1030
9 1240 2680 4240 4740 12000 22600 2440 5310 17700 2210 1140 1040
10 1150 2660 3520 e3500 8840 23100 2300 5270 16200 2140 1140 1040
11 1480 2400 3200 e2900 e7000 24000 2160 4190 15200 2090 1120 1070
12 1180 1930 5380 e2500 e5600 20600 2330 3480 12300 1940 1260 1350
13 1050 1860 6910 e2000 e5000 16000 2620 3310 10200 1910 1300 1230
14 1030 1870 9640 e1800 e4500 13300 2990 3070 11600 1810 2860 1090
15 987 1840 10300 e1600 e4000 19000 3010 2840 7630 1690 2030 1010
16 984 1660 9540 e2000 e3500 17900 2820 3030 5000 1600 4170 970
17 1080 1600 14900 e2400 e3200 12700 2680 2500 6650 1430 4470 955
18 1170 1880 23800 e1900 e2700 10300 2560 2090 14000 1330 20200 959
19 1390 2100 24900 e1700 e2600 15300 2340 2600 17800 1280 17600 937
20 2080 1840 22500 e1500 e3100 12900 2150 3330 14200 1540 10600 982
21 1800 1780 16900 e1800 5190 10200 2110 2940 9510 1390 11500 1140
22 1550 1750 9500 2350 7060 7380 2110 2960 8100 1210 8760 1140
23 1500 1740 6370 3230 7500 6420 1850 3050 5340 1210 7320 980
24 1550 1650 7230 5720 6680 5670 1780 2350 3870 2440 4860 962
25 1600 1590 16300 10900 5580 5100 1750 2100 3390 2440 3590 915
26 1530 3120 15700 10500 4170 5760 1800 3380 2860 1810 3060 904
27 1430 10400 11500 7580 4060 5350 2060 5360 2630 1720 2650 894
28 1610 11600 10200 16000 4660 4700 2560 7230 2510 6460 2320 872
29 1720 9020 7430 15900 --- 5000 2800 5790 2310 4230 2090 857
30 1530 7270 6580 11600 --- 5740 2350 4590 2620 2430 1850 848
31 1510 --- 6550 9390 --- 5250 --- 3690 --- 1750 1670 ---
TOTAL 48611 86240 348290 165160 225180 474370 79440 121920 407320 93920 130020 32165
MEAN 1568 2875 11240 5328 8042 15300 2648 3933 13580 3030 4194 1072
MAX 3200 11600 24900 16000 26900 45100 4990 7570 40600 9680 20200 1570
MIN 984 1310 3200 1500 2600 4700 1750 1880 2310 1210 1120 848
STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1931 - 1997, BY WATER YEAR (WY)
MEAN 1198 2431 4358 6741 7813 9772 8339 6006 4219 2864 2002 1351
MAX 6524 15460 17190 39500 18620 28220 19610 25070 13580 11430 10070 13230
(WY) 1991 1973 1991 1937 1951 1963 1957 1996 1997 1992 1980 1979
MIN 263 304 349 433 518 1375 1485 809 718 518 457 301
(WY) 1931 1935 1935 1931 1954 1941 1941 1941 1934 1944 1936 1953
SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1931 - 1997
ANNUAL TOTAL 3215466 2212636
ANNUAL MEAN 8785 6062 4742
HIGHEST ANNUAL MEAN 8178 1996
LOWEST ANNUAL MEAN 1364 1954
HIGHEST DAILY MEAN 41200 May 2 45100 Mar 2 127000 Jan 23 1959
LOWEST DAILY MEAN 909 Sep 15 848 Sep 30 244 Oct 23 1930
ANNUAL SEVEN-DAY MINIMUM 954 Aug 31 893 Sep 24 255 Oct 19 1930
INSTANTANEOUS PEAK FLOW 48300 Mar 2 177000 Jan 23 1937
INSTANTANEOUS PEAK STAGE 19.54 Mar 2 26.40 Jan 23 1937
INSTANTANEOUS LOW FLOW 848 Sep 30 244 Oct 23 1930
10 PERCENT EXCEEDS 23800 16000 12200
50 PERCENT EXCEEDS 4940 3030 2080
90 PERCENT EXCEEDS 1140 1210 530
e Estimated.
03234500 SCIOTO RIVER AT HIGBY, OHIO
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1954 to 1993, 1996.
PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: March 1967 to September 1993, October 1995 to September 1996.
pH: March 1967 to September 1993, October 1995 to September 1996.
WATER TEMPERATURES: March 1967 to September 1993, October 1995 to September 1996.
DISSOLVED OXYGEN: March 1967 to September 1993, October 1995 to September 1996.
INSTRUMENTATION.--Water-quality monitor since March 1967. Digital recorder set for 1-hour interval punch since
May 1972. Electronic data logger since April 30, 1991, set for 1-hour interval.
REMARKS.--Samples were collected quarterly as part of the National Stream Quality Accounting Network.
Interruptions in the water-quality record were due to malfunction of the instrument. Daily sediment data
collected 1954-1974, 1979-1982.
EXTREMES FOR PERIOD OF DAILY RECORD.--
SPECIFIC CONDUCTANCE: Maximum, 1,070 microsiemens Sept. 29, 1984; minimum, 113 microsiemens Sept. 16, 1975.
pH: Maximum, 9.3 units July 21, 1982, July 19, Aug. 21, 1984; minimum, 5.9 units Mar. 8, 1980.
WATER TEMPERATURES: Maximum, 34.0C June 29, 1966; minimum, 0.0C on many days during winter.
DISSOLVED OXYGEN: Maximum, >20.0 mg/L on several days from 1982 to 1989; minimum, 0.0 mg/L on many
days during 1968, Sept. 13, 1969.
EXTREMES FOR CURRENT YEAR.--
SPECIFIC CONDUCTANCE: Maximum, 950 microsiemens Sept. 11; minimum, 121 microsiemens Mar. 2.
pH: Maximum, 9.1 units Nov. 30, Dec. 1, and Mar. 20; minimum 7.4 units June 3, 4 and Aug. 18.
WATER TEMPERATURE: Maximum, 29.0C Jul. 18; minimum, 0.0C on many days during winter.
DISSOLVED OXYGEN: Maximum, 18.1 mg/L Apr. 26; minimum, 4.6 mg/L Aug. 16.
03234500 SCIOTO RIVER AT HIGBY, OHIO
SPECIFIC CONDUCTANCE, US/CM @ 25 DEGREES CELSIUS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 540 476 510 701 656 683 537 470 494 --- --- ---
2 604 540 572 682 656 669 472 412 428 --- --- ---
3 610 579 594 693 679 686 446 428 436 --- --- ---
4 630 597 610 706 689 697 462 433 447 --- --- ---
5 637 616 629 703 696 699 461 447 455 --- --- ---
6 676 636 655 718 693 703 462 448 455 --- --- ---
7 749 676 716 713 685 700 509 462 486 --- --- ---
8 791 749 773 685 624 650 529 509 520 614 604 607
9 832 788 811 674 645 659 564 527 539 630 614 622
10 836 792 818 649 561 591 565 402 510 633 625 628
11 792 759 779 606 526 552 630 479 540 662 633 647
12 771 740 755 628 565 585 639 546 619 708 662 684
13 826 771 801 649 590 623 546 490 515 749 708 730
14 827 775 794 646 615 628 559 514 532 775 742 761
15 783 756 767 791 630 673 564 538 556 775 757 768
16 804 763 777 788 656 693 538 430 487 762 751 755
17 837 803 816 704 671 689 435 327 377 793 750 773
18 845 820 831 713 688 703 407 327 382 795 778 787
19 831 748 781 769 708 734 377 357 368 825 795 811
20 751 711 727 786 740 760 378 353 365 834 823 828
21 750 683 716 741 717 723 359 342 348 852 822 838
22 684 644 664 717 692 698 414 351 382 837 761 799
23 647 641 643 737 695 717 460 414 435 798 753 768
24 680 647 665 758 737 749 484 457 467 809 685 760
25 712 678 694 758 751 754 477 387 431 685 539 583
26 725 712 720 782 654 711 431 385 401 598 549 580
27 767 725 747 685 495 585 477 431 459 600 501 586
28 772 749 763 581 495 553 471 447 456 501 395 432
29 793 750 774 607 581 594 494 449 474 533 433 489
30 803 772 788 609 537 578 --- --- --- 479 455 466
31 781 693 732 --- --- --- --- --- --- 458 455 457
MONTH 845 476 723 791 495 668 639 327 461 852 395 673
FEBRUARY MARCH APRIL MAY
1 520 455 488 669 261 423 --- --- --- 706 686 694
2 567 519 544 293 121 200 --- --- --- 711 688 699
3 585 567 576 357 286 332 --- --- --- 691 632 675
4 585 334 478 382 357 367 690 627 657 639 568 611
5 423 324 366 422 382 402 651 643 645 568 540 548
6 425 391 403 445 422 431 675 604 631 596 545 575
7 417 398 410 446 419 431 698 667 677 618 596 612
8 398 390 393 422 407 412 698 682 692 616 550 607
9 428 393 409 411 393 404 722 698 712 605 510 552
10 501 428 468 393 366 375 729 690 710 628 599 613
11 524 501 514 398 376 386 714 698 704 619 601 610
12 551 522 538 435 398 415 705 672 693 622 609 615
13 564 547 554 480 435 466 694 671 678 616 599 607
14 588 561 577 --- --- --- 703 683 692 622 604 614
15 597 582 589 --- --- --- 694 643 672 649 611 625
16 612 583 594 --- --- --- 672 644 664 666 648 658
17 646 612 634 --- --- --- 677 668 672 708 652 679
18 668 643 661 --- --- --- 680 656 669 666 640 650
19 683 668 672 --- --- --- 673 657 666 676 490 652
20 692 677 687 --- --- --- 686 666 674 665 491 617
21 685 677 681 --- --- --- 687 674 681 670 647 658
22 685 624 653 --- --- --- 697 664 679 651 628 638
23 624 593 611 --- --- --- 690 673 682 658 646 652
24 649 601 625 792 588 672 704 686 695 665 648 656
25 649 627 640 682 463 523 713 695 703 668 651 665
26 628 627 627 596 478 535 732 702 715 651 579 614
27 643 620 625 --- --- --- 724 654 688 627 588 605
28 668 643 657 --- --- --- 728 686 700 606 559 575
29 --- --- --- --- --- --- 747 704 731 602 588 598
30 --- --- --- --- --- --- 722 706 714 606 593 598
31 --- --- --- --- --- --- --- --- --- 618 573 609
MONTH 692 324 560 792 121 423 747 604 685 711 490 625
JUNE JULY AUGUST SEPTEMBER
1 573 347 459 652 328 570 643 594 620 742 639 698
2 386 345 361 512 328 471 672 643 662 712 553 627
3 395 341 379 471 374 412 705 672 693 771 572 721
4 341 292 306 453 421 434 724 656 698 783 755 775
5 355 299 316 500 448 471 765 667 724 810 781 799
6 418 355 387 592 500 558 772 734 759 821 806 816
7 444 418 429 627 592 614 734 658 691 829 816 823
8 419 402 408 643 627 635 679 661 672 828 801 818
9 418 405 410 662 643 656 718 678 702 820 809 816
10 419 405 412 683 660 672 757 718 742 830 820 826
11 423 412 416 696 683 689 778 749 766 950 830 842
12 470 423 457 698 671 687 767 740 757 858 848 853
13 482 468 476 673 656 668 767 746 759 857 844 851
14 523 451 496 676 654 668 770 535 716 853 845 850
15 495 437 464 669 638 658 707 641 679 851 827 839
16 541 495 514 664 628 652 641 407 547 830 813 825
17 609 534 561 639 611 627 541 406 488 813 797 802
18 534 383 409 612 555 592 494 233 326 831 806 820
19 417 315 368 564 501 538 419 293 370 843 831 836
20 454 342 402 581 540 564 489 419 457 846 827 836
21 485 454 472 575 530 562 485 402 435 835 821 826
22 505 472 483 579 553 571 488 465 476 848 834 842
23 558 505 544 604 562 581 529 488 514 867 847 860
24 611 558 598 665 546 586 578 517 547 857 844 847
25 619 611 614 689 563 638 614 578 596 849 819 836
26 647 619 636 566 559 562 646 614 629 835 822 826
27 664 646 656 604 558 582 679 646 663 847 833 838
28 668 663 666 604 409 538 686 679 684 850 843 846
29 675 667 671 421 367 384 708 685 694 854 845 851
30 674 627 656 510 421 459 713 674 704 863 853 858
31 --- --- --- 594 510 563 720 658 702 --- --- ---
MONTH 675 292 481 698 328 576 778 233 628 950 553 817
YEAR 950 121 617
03234500 SCIOTO RIVER AT HIGBY, OHIO
PH, WATER, WHOLE, FIELD, STANDARD UNITS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 8.3 8.0 8.1 8.4 8.3 8.4 9.1 8.1 8.8 8.0 7.9 7.9
2 8.3 8.1 8.2 8.4 8.2 8.3 8.3 7.9 8.0 7.9 7.9 7.9
3 8.2 8.0 8.1 8.6 8.2 8.4 --- --- --- 7.9 7.9 7.9
4 8.3 8.0 8.1 8.8 8.3 8.5 --- --- --- 7.9 7.8 7.9
5 8.5 8.1 8.2 8.8 8.5 8.6 --- --- --- 7.9 7.7 7.8
6 8.6 8.2 8.3 8.7 8.5 8.6 --- --- --- 8.0 7.7 7.8
7 8.6 8.2 8.4 8.8 8.4 8.6 --- --- --- 8.2 7.8 8.0
8 8.7 8.2 8.4 8.4 8.2 8.3 --- --- --- 8.2 8.0 8.2
9 8.5 8.2 8.3 8.3 8.2 8.2 --- --- --- 8.3 8.2 8.2
10 8.4 8.1 8.2 8.3 8.2 8.2 --- --- --- 8.2 8.0 8.1
11 8.7 8.3 8.4 8.3 8.2 8.2 --- --- --- 8.3 8.0 8.1
12 8.8 8.3 8.5 8.5 8.2 8.3 --- --- --- 8.2 8.1 8.1
13 8.8 8.4 8.6 8.4 8.1 8.3 8.0 7.8 7.9 8.2 8.1 8.1
14 8.9 8.5 8.6 8.2 8.0 8.1 8.1 7.9 8.0 8.3 8.1 8.2
15 8.9 8.4 8.6 8.4 8.0 8.1 8.1 7.9 8.1 8.5 8.2 8.2
16 8.8 8.4 8.6 8.7 8.1 8.3 8.1 8.0 8.0 8.2 8.1 8.1
17 8.8 8.4 8.6 8.8 8.2 8.4 8.0 7.8 7.9 8.3 8.1 8.2
18 8.7 8.3 8.4 8.6 8.1 8.3 8.0 7.8 7.9 8.2 8.1 8.2
19 8.4 8.1 8.3 8.4 8.0 8.2 8.0 7.8 7.9 8.2 8.1 8.2
20 8.5 8.3 8.4 8.3 8.0 8.2 8.1 7.8 7.9 8.2 8.1 8.2
21 8.6 8.3 8.4 8.3 8.1 8.2 8.1 8.0 8.0 8.2 8.1 8.1
22 8.6 8.3 8.4 8.3 8.1 8.2 8.1 8.0 8.0 8.2 8.1 8.2
23 8.5 8.3 8.4 8.7 8.1 8.4 8.1 8.0 8.1 8.3 8.1 8.2
24 8.6 8.3 8.4 8.6 8.3 8.5 8.1 7.9 7.9 8.3 8.2 8.3
25 8.6 8.3 8.4 8.4 8.1 8.3 8.1 7.8 8.0 8.2 8.1 8.1
26 8.5 8.4 8.4 8.4 8.0 8.1 8.1 8.0 8.0 8.2 8.1 8.1
27 8.7 8.4 8.5 8.1 7.9 8.0 8.2 8.0 8.1 8.3 8.2 8.2
28 8.5 8.3 8.4 8.6 8.0 8.2 8.1 8.1 8.1 8.2 8.0 8.1
29 8.6 8.1 8.4 8.8 8.2 8.5 8.1 7.9 8.0 8.1 8.0 8.1
30 8.6 8.4 8.5 9.1 8.7 8.9 8.0 7.8 7.9 8.1 8.1 8.1
31 8.6 8.2 8.4 --- --- --- 7.9 7.8 7.9 8.1 8.0 8.1
MONTH 8.9 8.0 8.4 9.1 7.9 8.3 9.1 7.8 8.0 8.5 7.7 8.1
FEBRUARY MARCH APRIL MAY
1 8.1 8.0 8.0 8.2 7.9 8.0 8.2 8.0 8.1 8.4 8.1 8.2
2 8.1 8.0 8.0 --- --- --- 8.2 8.0 8.1 8.5 7.9 8.2
3 8.1 7.9 8.0 --- --- --- 8.1 8.0 8.1 8.4 8.1 8.2
4 8.1 7.9 8.0 --- --- --- 8.1 7.9 8.0 8.1 7.8 7.9
5 7.9 7.9 7.9 --- --- --- 8.0 7.8 7.9 7.9 7.7 7.8
6 8.0 7.9 7.9 --- --- --- 8.2 7.8 8.0 8.2 7.8 8.0
7 8.1 7.9 8.0 8.0 7.8 7.9 8.3 7.8 8.1 8.3 7.8 8.1
8 8.0 7.9 8.0 8.1 7.7 7.8 8.3 7.9 8.2 8.2 8.0 8.2
9 8.1 7.9 8.0 --- --- --- 8.4 8.0 8.2 8.1 8.0 8.1
10 8.1 8.0 8.0 --- --- --- 8.5 8.0 8.3 8.2 7.9 8.0
11 8.1 8.0 8.1 --- --- --- 8.4 8.1 8.3 8.3 8.0 8.1
12 8.1 8.0 8.0 --- --- --- 8.4 8.1 8.2 8.3 7.9 8.1
13 8.2 8.0 8.1 8.1 7.8 8.0 8.2 7.9 8.1 8.4 8.0 8.2
14 8.1 8.1 8.1 7.8 7.6 7.7 8.5 7.9 8.2 8.4 8.0 8.2
15 8.2 8.0 8.1 8.0 7.6 7.8 8.5 7.9 8.2 8.4 8.0 8.2
16 8.2 8.0 8.1 7.8 7.6 7.7 8.6 8.2 8.4 8.5 8.0 8.3
17 8.2 8.0 8.1 8.6 7.7 8.0 8.5 8.2 8.3 8.4 8.1 8.2
18 8.2 8.1 8.1 8.9 7.8 8.5 8.7 8.2 8.4 8.5 8.0 8.3
19 8.2 8.0 8.1 8.9 8.4 8.7 8.7 8.3 8.5 8.5 8.0 8.3
20 8.2 8.0 8.1 9.1 8.5 8.9 8.8 8.3 8.6 8.5 7.9 8.1
21 8.2 8.2 8.2 8.8 8.5 8.7 8.7 8.3 8.6 8.6 7.9 8.2
22 8.2 8.1 8.1 8.9 8.6 8.8 8.8 8.3 8.6 8.5 8.1 8.3
23 8.3 8.1 8.2 9.0 8.8 8.8 8.8 8.4 8.6 8.4 8.0 8.3
24 8.3 8.1 8.2 8.8 8.5 8.7 8.7 8.4 8.6 8.4 8.1 8.3
25 8.3 8.2 8.2 8.7 8.1 8.3 8.7 8.3 8.5 8.3 8.1 8.2
26 8.2 8.1 8.2 8.4 8.0 8.2 8.8 8.3 8.6 8.2 7.9 8.1
27 8.2 8.1 8.2 8.1 7.9 8.0 8.6 8.3 8.5 8.1 7.8 8.0
28 8.2 8.1 8.2 8.1 7.9 8.0 8.6 8.2 8.4 8.1 7.8 8.0
29 --- --- --- 8.1 7.9 8.0 8.5 8.2 8.4 8.1 7.9 8.0
30 --- --- --- 8.1 7.9 8.0 8.5 8.1 8.3 8.2 8.0 8.1
31 --- --- --- 8.2 7.8 8.0 --- --- --- 8.1 7.9 8.0
MONTH 8.3 7.9 8.1 9.1 7.6 8.2 8.8 7.8 8.3 8.6 7.7 8.1
JUNE JULY AUGUST SEPTEMBER
1 8.0 7.6 7.9 8.3 7.9 8.1 8.8 8.2 8.5 8.7 8.2 8.4
2 7.7 7.5 7.6 8.0 7.9 7.9 8.7 8.3 8.5 8.8 8.3 8.5
3 7.6 7.4 7.5 8.0 7.9 8.0 8.8 8.3 8.5 8.6 8.3 8.4
4 7.7 7.4 7.6 8.1 8.0 8.0 8.6 8.3 8.4 8.8 8.2 8.5
5 7.7 7.5 7.6 8.1 8.0 8.1 8.6 8.3 8.4 8.8 8.4 8.6
6 7.8 7.6 7.7 8.3 8.1 8.1 8.4 7.9 8.0 8.6 8.3 8.5
7 7.9 7.7 7.8 8.4 8.1 8.2 8.5 7.8 8.1 8.6 8.3 8.5
8 7.8 7.6 7.7 8.5 8.2 8.3 8.7 7.9 8.4 8.6 8.3 8.5
9 7.9 7.7 7.8 8.4 8.2 8.3 8.8 8.3 8.5 8.5 8.3 8.3
10 7.9 7.7 7.8 8.5 8.2 8.3 8.7 8.3 8.5 8.3 8.1 8.2
11 7.9 7.7 7.8 8.6 8.3 8.4 8.6 8.3 8.5 8.4 8.1 8.2
12 7.9 7.8 7.9 8.7 8.3 8.5 8.6 8.2 8.4 8.4 8.1 8.2
13 7.9 7.8 7.9 8.7 8.3 8.5 8.4 8.0 8.2 8.3 8.0 8.2
14 7.9 7.7 7.8 8.8 8.4 8.6 8.2 7.7 7.9 8.3 8.0 8.2
15 7.9 7.5 7.7 8.8 8.4 8.6 8.0 7.6 7.9 8.3 8.1 8.2
16 7.9 7.7 7.8 8.7 8.3 8.5 7.9 7.7 7.8 8.3 8.0 8.2
17 8.0 7.7 7.8 8.4 8.1 8.2 7.8 7.6 7.7 8.2 8.1 8.2
18 7.8 7.6 7.7 8.2 7.9 8.0 7.7 7.4 7.5 8.3 8.0 8.2
19 7.7 7.5 7.6 7.9 7.7 7.8 7.8 7.5 7.6 8.4 8.1 8.2
20 7.8 7.6 7.7 8.0 7.6 7.8 7.9 7.7 7.8 8.3 8.0 8.1
21 7.9 7.7 7.8 8.0 7.8 7.9 8.0 7.7 7.9 8.2 7.9 8.0
22 8.0 7.7 7.8 8.0 7.9 8.0 8.1 7.8 7.9 8.3 8.0 8.1
23 8.1 7.7 7.9 8.1 8.0 8.1 8.1 7.9 8.0 8.1 8.0 8.0
24 8.3 8.0 8.1 8.2 8.0 8.1 8.1 7.9 8.1 8.2 8.0 8.1
25 8.4 8.1 8.2 8.0 7.8 7.9 8.3 8.0 8.1 8.2 8.0 8.1
26 8.5 8.3 8.4 7.8 7.8 7.8 8.3 8.0 8.1 8.3 8.0 8.1
27 8.6 8.3 8.4 7.9 7.8 7.9 8.3 8.1 8.2 8.3 8.1 8.2
28 8.5 8.3 8.4 7.9 7.8 7.8 8.4 8.1 8.2 8.4 8.1 8.2
29 8.6 8.3 8.5 7.9 7.8 7.9 8.3 8.1 8.2 8.5 8.2 8.3
30 8.5 8.3 8.4 8.0 7.7 7.8 8.5 8.1 8.3 8.4 8.2 8.3
31 --- --- --- 8.6 7.8 8.1 8.6 8.2 8.4 --- --- ---
MONTH 8.6 7.4 7.9 8.8 7.6 8.1 8.8 7.4 8.1 8.8 7.9 8.3
YEAR 9.1 7.4 8.2
03234500 SCIOTO RIVER AT HIGBY, OHIO
WATER TEMPERATURE, DEGREES CELSIUS, WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 18.5 17.0 18.0 14.0 11.5 13.0 7.5 5.0 6.5 6.5 6.0 6.5
2 20.0 18.0 19.0 11.5 10.0 11.0 7.5 6.5 7.0 7.5 6.5 7.0
3 19.5 18.0 18.5 10.5 9.0 10.0 6.5 5.5 6.0 8.5 7.5 8.0
4 18.0 16.0 17.0 10.0 8.5 9.5 6.0 5.5 5.5 10.5 8.5 9.5
5 17.0 15.0 16.0 10.5 9.5 10.0 5.5 5.0 5.0 11.0 10.0 11.0
6 17.0 15.0 16.0 11.0 10.5 10.5 5.0 5.0 5.0 10.0 7.0 8.5
7 17.5 15.0 16.5 13.0 11.0 12.0 5.5 5.0 5.0 7.0 4.5 6.0
8 17.5 15.5 16.5 13.0 11.5 12.0 5.5 4.5 5.0 4.5 3.5 4.0
9 17.0 15.5 16.5 11.5 10.0 11.0 4.5 4.0 4.0 4.0 3.5 3.5
10 15.5 14.5 15.0 10.0 8.5 9.0 4.5 1.5 3.5 3.5 2.0 3.0
11 15.5 14.0 14.5 8.5 7.0 7.5 8.0 3.5 5.5 2.0 .5 1.0
12 15.5 13.0 14.5 7.0 5.5 6.5 9.0 8.0 8.5 .5 .0 .0
13 16.5 14.0 15.0 6.0 5.5 6.0 8.5 7.0 7.5 .5 .0 .0
14 17.5 15.5 16.5 6.0 5.5 5.5 7.0 5.5 6.5 .5 .0 .0
15 18.0 16.0 17.0 6.0 4.5 5.0 6.0 5.0 5.5 1.0 .0 .5
16 18.5 16.5 17.5 6.5 5.0 5.5 6.5 6.0 6.0 1.5 .0 1.0
17 18.5 16.5 17.5 7.0 5.5 6.0 6.5 6.5 6.5 .0 .0 .0
18 18.0 15.5 17.0 7.5 7.0 7.5 6.5 5.5 6.0 .0 .0 .0
19 15.5 14.0 14.5 7.5 7.0 7.5 5.5 3.5 4.5 .5 .0 .0
20 14.0 13.0 13.0 8.0 7.5 7.5 3.5 2.0 3.0 2.0 .5 1.0
21 15.0 13.0 14.0 7.5 6.5 6.5 2.0 1.5 2.0 2.5 .0 1.0
22 15.5 14.5 15.0 6.5 5.5 6.0 2.5 1.5 2.0 2.5 1.5 2.0
23 15.5 14.0 15.0 6.5 5.0 6.0 4.5 2.5 3.5 3.0 2.0 2.5
24 15.0 13.5 14.5 7.0 6.0 6.5 5.0 4.5 5.0 3.0 2.0 2.5
25 14.5 13.0 13.5 7.5 6.5 7.0 4.5 2.5 3.5 2.0 1.0 1.5
26 14.0 13.5 14.0 7.5 6.0 7.0 2.5 1.5 2.0 1.0 .0 .5
27 15.5 14.0 15.0 6.5 4.5 5.5 3.0 1.5 2.5 1.0 .5 1.0
28 17.0 15.5 16.0 4.5 3.5 4.0 5.0 3.0 4.0 1.0 .5 1.0
29 16.0 14.5 15.5 4.0 3.0 3.5 7.0 5.0 6.5 .5 .0 .5
30 17.5 16.0 16.5 5.0 4.0 4.5 6.5 6.5 6.5 1.0 .0 .5
31 16.0 14.0 14.5 --- --- --- 6.5 6.5 6.5 2.0 1.0 1.5
MONTH 20.0 13.0 16.0 14.0 3.0 7.5 9.0 1.5 5.0 11.0 .0 2.5
FEBRUARY MARCH APRIL MAY
1 3.0 2.0 2.5 9.5 8.0 9.0 12.5 9.5 11.0 17.5 15.5 16.5
2 4.0 3.0 3.5 11.5 9.5 11.0 13.5 10.0 12.0 16.0 14.0 15.0
3 5.0 3.5 4.0 10.5 8.0 9.0 15.5 11.0 13.0 16.5 15.0 16.0
4 5.0 4.5 4.5 10.5 7.5 9.0 15.0 12.0 13.5 16.0 14.0 15.0
5 5.0 3.5 4.5 10.5 7.5 9.0 15.0 14.5 14.5 15.5 13.5 14.5
6 3.5 2.5 3.0 10.0 5.5 7.5 16.5 14.5 15.5 16.5 14.0 15.0
7 3.0 2.0 2.5 10.0 5.5 8.0 16.5 14.0 15.0 17.0 14.0 15.5
8 2.5 2.0 2.5 10.5 8.0 9.0 14.5 12.5 13.5 16.5 15.0 15.5
9 3.0 2.0 2.5 9.5 6.0 8.0 13.0 10.5 11.5 15.0 14.0 14.5
10 3.5 2.5 3.0 12.0 7.0 9.0 12.5 9.5 11.0 14.0 13.0 13.5
11 3.5 3.0 3.0 11.0 5.5 8.5 14.5 8.0 12.5 16.0 12.5 14.0
12 3.5 3.0 3.0 11.0 4.5 7.0 14.0 13.0 13.5 15.5 14.5 14.5
13 3.0 2.5 2.5 9.5 6.0 7.5 13.5 11.5 12.5 16.0 14.0 15.0
14 3.5 2.5 3.0 11.0 6.5 9.5 13.5 10.0 11.5 16.5 14.0 15.5
15 4.0 3.0 3.5 8.0 3.5 5.5 14.0 11.0 12.5 16.0 14.5 15.0
16 3.5 3.0 3.0 7.5 3.5 5.0 13.5 12.0 13.0 16.0 13.5 14.5
17 4.0 2.0 3.0 8.5 4.5 7.0 13.0 11.0 11.5 17.5 14.0 15.5
18 5.5 3.0 4.5 9.5 6.5 8.0 13.0 10.0 11.0 19.5 16.5 18.0
19 6.5 5.5 6.0 10.0 5.5 7.5 14.0 11.5 12.5 21.5 19.0 20.0
20 7.5 5.5 6.5 11.0 4.5 7.5 15.0 12.0 13.5 21.5 18.5 20.0
21 8.5 7.5 8.0 16.5 4.5 9.5 15.0 13.5 14.0 20.5 18.0 19.5
22 8.5 6.5 7.5 15.5 6.5 10.5 15.5 13.0 14.0 20.5 17.5 19.0
23 6.5 5.0 6.0 10.0 5.0 7.5 15.0 13.5 14.5 20.0 17.5 19.0
24 6.0 4.5 5.5 11.0 6.5 8.5 15.0 13.5 14.0 20.5 18.0 19.0
25 5.5 4.0 5.0 12.5 9.5 11.0 15.0 13.0 14.0 20.5 20.0 20.0
26 5.5 4.5 4.5 11.0 8.0 10.0 17.0 13.0 15.0 20.0 18.5 19.0
27 9.0 5.5 7.5 14.5 10.0 12.0 16.0 14.5 15.0 20.0 17.5 18.5
28 9.5 7.5 8.5 14.5 11.5 13.0 16.0 14.0 15.0 19.0 18.0 18.5
29 --- --- --- 15.0 13.0 14.0 17.5 14.0 15.5 18.5 18.0 18.0
30 --- --- --- 14.0 11.5 13.0 18.0 15.0 16.5 19.5 17.5 18.5
31 --- --- --- 12.0 10.5 11.5 --- --- --- 19.0 18.5 18.5
MONTH 9.5 2.0 4.5 16.5 3.5 9.0 18.0 8.0 13.5 21.5 12.5 17.0
JUNE JULY AUGUST SEPTEMBER
1 18.5 17.5 17.5 25.0 23.5 24.0 26.5 23.5 25.0 24.5 22.0 23.5
2 18.5 17.5 18.0 25.5 23.5 24.5 25.5 24.0 24.5 25.5 23.0 24.5
3 18.0 17.5 18.0 25.0 23.0 24.0 26.5 24.0 25.0 25.0 23.0 24.0
4 18.5 17.0 17.5 24.5 23.5 24.0 26.5 24.5 25.5 23.0 20.5 22.0
5 19.0 17.5 18.0 24.0 22.5 23.5 26.5 24.5 25.5 22.5 20.0 21.5
6 19.0 18.0 18.5 24.5 22.0 23.0 25.5 23.0 24.0 22.0 20.5 21.0
7 18.5 17.5 18.0 25.0 22.0 23.5 25.0 22.0 23.5 22.5 20.0 21.0
8 17.5 17.5 17.5 25.5 23.0 24.0 25.0 22.0 23.5 23.5 21.0 22.0
9 19.0 17.0 18.0 25.5 24.0 24.5 24.5 23.5 24.0 22.5 21.5 22.0
10 20.0 18.0 18.5 24.5 22.0 23.0 25.0 24.0 24.5 22.0 21.0 21.5
11 19.5 19.0 19.0 25.5 22.0 23.5 25.5 24.0 24.5 22.0 21.0 21.5
12 20.0 19.0 19.5 25.5 23.0 24.5 26.5 24.5 25.5 22.5 20.5 21.5
13 20.5 19.5 20.0 26.5 24.0 25.0 26.0 25.0 25.5 22.5 20.0 21.5
14 21.0 20.0 20.5 28.0 24.5 26.0 26.5 24.0 25.0 23.0 20.5 21.5
15 22.0 19.5 20.5 28.0 26.0 27.0 26.0 24.0 25.0 23.5 21.5 22.5
16 21.0 20.0 20.5 28.5 25.5 27.0 26.5 25.0 25.5 24.0 21.5 22.5
17 21.5 20.0 21.0 29.0 26.5 27.5 25.5 24.5 25.0 23.0 22.0 22.5
18 21.0 20.5 21.0 29.0 26.5 27.5 24.5 23.0 23.0 23.5 21.0 22.0
19 21.5 20.0 20.5 28.5 26.5 27.5 23.5 23.0 23.0 22.5 21.0 22.0
20 23.0 21.0 21.5 28.5 25.5 27.0 23.5 22.5 23.0 22.5 21.5 22.0
21 24.0 22.0 23.0 28.0 25.5 27.0 22.5 21.0 22.0 21.5 20.0 20.5
22 24.0 22.5 23.0 27.5 26.5 26.5 21.5 21.0 21.0 21.0 18.5 20.0
23 25.0 22.5 24.0 26.5 25.5 26.0 22.0 20.0 21.0 20.0 18.5 19.0
24 26.0 23.5 24.5 27.0 25.5 26.0 21.5 20.0 20.5 20.0 18.0 18.5
25 27.0 24.5 25.5 27.0 25.0 26.0 22.0 20.0 21.0 20.0 17.5 18.5
26 26.5 25.0 25.5 27.5 25.0 26.0 23.0 21.0 22.0 20.0 18.0 19.0
27 26.0 23.5 24.5 29.0 26.0 27.0 23.5 22.0 22.5 20.5 17.5 19.0
28 26.0 23.5 25.0 28.5 26.0 26.5 24.5 22.5 23.5 19.5 18.5 19.0
29 25.5 24.0 25.0 27.0 25.0 26.0 24.0 22.5 23.0 20.0 17.5 19.0
30 25.0 24.0 24.5 26.5 24.0 25.5 23.5 21.5 22.5 19.5 18.0 19.0
31 --- --- --- 26.5 23.5 25.0 23.5 21.5 22.5 --- --- ---
MONTH 27.0 17.0 21.0 29.0 22.0 25.5 26.5 20.0 23.5 25.5 17.5 21.0
YEAR 29.0 .0 14.0
03234500 SCIOTO RIVER AT HIGBY, OHIO
OXYGEN DISSOLVED (MG/L), WATER YEAR OCTOBER 1996 TO SEPTEMBER 1997
DAY MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN
OCTOBER NOVEMBER DECEMBER JANUARY
1 7.7 7.3 7.5 10.1 8.9 9.5 11.3 10.4 10.8 11.5 11.2 11.4
2 7.6 7.3 7.5 10.9 9.4 10.1 10.5 10.0 10.2 11.2 10.9 11.1
3 8.0 7.2 7.5 11.5 10.0 10.8 11.3 10.5 11.0 10.9 10.3 10.6
4 8.6 7.2 8.0 12.0 10.5 11.3 11.4 11.3 11.3 10.3 9.7 10.1
5 9.1 7.9 8.4 11.8 10.3 11.0 11.4 11.2 11.3 9.9 9.4 9.6
6 9.3 8.0 8.6 11.2 9.9 10.3 11.2 11.0 11.1 10.6 9.9 10.2
7 9.9 8.1 8.9 10.1 9.1 9.7 11.0 10.6 10.8 10.8 10.3 10.6
8 10.6 8.2 9.3 9.8 9.0 9.4 10.7 10.6 10.7 11.0 10.7 10.9
9 9.7 7.7 8.2 10.0 9.1 9.5 11.1 10.7 10.9 11.0 10.7 10.8
10 9.2 7.4 8.3 10.6 9.8 10.2 11.1 10.6 10.9 11.1 10.7 10.9
11 10.6 8.5 9.5 11.0 10.3 10.7 10.6 10.0 10.3 11.5 11.1 11.3
12 10.9 8.8 9.9 12.1 10.8 11.4 10.1 9.7 9.9 11.6 11.5 11.5
13 11.0 8.9 10.0 12.2 11.1 11.8 10.5 10.0 10.2 11.7 11.5 11.6
14 12.2 9.0 10.5 12.3 11.3 11.9 11.2 10.5 11.0 11.7 11.6 11.7
15 12.4 9.1 10.8 12.6 11.4 12.1 11.5 11.2 11.4 11.8 11.5 11.6
16 11.5 9.0 10.5 12.9 11.5 12.3 11.2 10.8 10.9 11.7 11.3 11.4
17 11.2 8.6 10.1 12.8 11.5 12.1 10.9 10.4 10.7 11.9 11.7 11.8
18 11.0 7.7 8.5 12.0 10.6 11.2 11.0 10.4 10.8 11.8 11.5 11.6
19 9.3 7.3 8.3 12.0 10.6 11.3 11.7 11.0 11.3 11.5 11.2 11.4
20 9.1 8.3 8.5 12.4 10.4 11.4 12.3 11.7 12.0 11.4 11.3 11.3
21 9.0 7.9 8.5 12.2 10.7 11.6 12.6 12.3 12.4 11.5 11.1 11.3
22 8.9 7.9 8.4 12.9 11.2 12.1 12.5 12.1 12.3 11.1 10.9 11.0
23 8.9 7.9 8.4 13.6 11.3 12.5 12.1 11.6 11.9 11.3 10.9 11.1
24 9.5 7.9 8.7 13.1 11.3 11.9 11.8 11.5 11.6 11.6 11.3 11.4
25 9.4 8.4 9.0 11.3 10.2 10.6 12.5 11.8 12.0 12.1 11.6 11.9
26 9.1 8.1 8.5 10.8 9.8 10.2 13.1 12.5 12.8 12.4 12.1 12.3
27 8.8 7.8 8.3 10.8 9.5 10.0 13.1 12.5 12.8 12.5 12.2 12.4
28 8.9 7.7 8.3 11.9 10.8 11.5 12.5 11.7 12.1 12.6 12.2 12.4
29 9.2 7.7 8.5 12.0 11.8 11.9 11.7 10.9 11.2 12.9 12.5 12.7
30 9.7 8.1 8.9 11.9 11.3 11.6 11.4 10.9 11.2 12.9 12.8 12.8
31 10.5 8.5 9.6 --- --- --- 11.4 11.3 11.4 12.8 12.3 12.6
MONTH 12.4 7.2 8.8 13.6 8.9 11.1 13.1 9.7 11.3 12.9 9.4 11.4
FEBRUARY MARCH APRIL MAY
1 12.3 11.7 12.0 10.8 9.7 10.4 8.4 6.5 7.8 12.3 8.9 10.5
2 11.7 11.5 11.6 9.8 7.7 8.6 8.5 7.4 7.9 13.5 9.2 11.1
3 11.6 11.4 11.5 --- --- --- 9.3 7.2 7.9 11.4 8.9 10.1
4 11.4 11.2 11.3 --- --- --- 10.6 8.8 9.7 9.5 8.1 8.9
5 11.4 8.0 9.5 --- --- --- 10.0 9.0 9.5 8.7 8.0 8.4
6 11.7 8.3 10.3 --- --- --- 10.6 8.9 9.7 9.1 8.3 8.7
7 12.3 11.1 11.9 --- --- --- 11.5 9.0 10.1 10.0 8.5 9.1
8 12.1 12.0 12.1 --- --- --- 12.2 9.8 11.0 9.4 8.4 8.7
9 12.1 11.8 11.9 --- --- --- 13.3 10.2 11.6 9.1 8.5 8.8
10 11.9 11.8 11.8 --- --- --- 14.2 11.0 12.5 9.5 8.6 9.0
11 11.8 11.7 11.8 --- --- --- 14.8 10.8 12.7 10.2 8.8 9.4
12 11.7 11.5 11.5 --- --- --- 13.3 10.2 11.3 9.7 8.5 9.1
13 11.8 11.5 11.7 --- --- --- 12.3 9.6 10.9 10.5 8.7 9.5
14 11.8 11.6 11.7 --- --- --- 14.3 10.3 12.1 10.6 8.5 9.5
15 11.7 11.6 11.6 --- --- --- 14.5 10.4 12.3 10.6 8.5 9.5
16 11.8 11.6 11.7 --- --- --- 14.1 10.8 12.6 11.5 8.9 10.0
17 12.0 11.8 11.9 --- --- --- 13.7 10.5 12.1 11.0 8.4 9.7
18 12.0 11.7 11.9 --- --- --- 16.1 10.5 13.1 12.3 8.4 10.1
19 11.7 11.1 11.5 --- --- --- 16.5 11.0 13.7 11.4 7.9 9.3
20 11.3 11.1 11.2 --- --- --- 17.6 11.0 14.2 10.7 7.6 8.8
21 11.2 11.0 11.1 --- --- --- 15.5 10.8 13.2 12.1 7.3 9.5
22 11.4 11.0 11.2 --- --- --- 16.2 10.2 13.0 11.5 8.4 9.8
23 11.6 11.4 11.5 --- --- --- 16.6 10.5 13.4 10.6 8.2 9.3
24 11.9 11.6 11.8 --- --- --- 15.7 10.4 13.0 10.9 8.1 9.4
25 12.1 11.8 12.0 8.6 7.0 7.7 16.1 10.2 13.0 9.4 7.7 8.3
26 11.9 11.4 11.7 9.6 8.8 9.4 18.1 10.7 14.0 8.7 7.4 8.0
27 11.4 11.0 11.1 8.9 6.2 7.3 14.3 10.1 11.4 7.9 7.4 7.6
28 11.0 10.7 10.9 7.0 4.7 5.7 13.8 8.9 11.1 7.9 7.1 7.6
29 --- --- --- 7.5 5.0 6.4 13.9 9.7 11.6 8.0 7.7 7.9
30 --- --- --- 6.6 4.7 5.4 13.8 9.5 11.4 8.6 7.7 8.1
31 --- --- --- 6.5 5.1 5.8 --- --- --- 8.2 7.6 7.8
MONTH 12.3 8.0 11.5 10.8 4.7 7.4 18.1 6.5 11.6 13.5 7.1 9.1
JUNE JULY AUGUST SEPTEMBER
1 7.8 7.3 7.6 8.8 7.0 7.6 10.4 7.1 8.4 13.5 8.1 10.4
2 7.3 7.1 7.2 7.1 6.7 6.9 9.5 7.2 8.2 13.4 8.1 10.6
3 7.1 6.9 7.0 6.9 6.7 6.8 10.6 7.3 8.7 14.1 7.8 10.4
4 7.3 7.0 7.2 7.4 6.9 7.1 8.7 6.9 7.9 14.9 8.4 11.0
5 7.4 7.1 7.2 8.0 7.2 7.5 8.6 6.8 7.6 14.7 8.5 11.4
6 7.3 7.1 7.2 8.9 5.8 7.6 8.4 6.2 7.3 12.2 8.7 10.4
7 8.0 7.3 7.7 9.9 6.4 8.1 10.0 5.2 7.7 12.5 8.5 10.3
8 8.1 8.0 8.1 9.8 6.6 8.0 10.6 6.9 8.2 12.5 8.1 10.1
9 8.2 7.9 8.1 9.2 7.6 8.4 10.3 7.4 8.7 10.6 7.9 8.5
10 8.1 7.9 8.0 11.2 7.6 9.1 9.9 7.3 8.5 9.0 6.8 7.8
11 7.9 7.8 7.8 11.5 8.0 9.5 9.5 7.2 8.2 8.9 7.3 8.1
12 7.8 7.6 7.7 11.8 8.0 9.9 9.3 6.1 7.6 10.0 7.7 8.6
13 7.6 7.5 7.6 13.0 8.0 10.1 8.0 5.6 6.8 9.7 7.6 8.5
14 7.5 6.6 7.3 12.0 7.9 10.1 6.7 5.3 6.0 9.4 7.5 8.4
15 7.0 6.5 6.7 13.5 8.1 10.7 7.1 5.3 5.9 9.2 7.4 8.3
16 7.1 7.0 7.0 13.6 8.0 10.6 6.6 4.6 6.0 9.6 7.5 8.4
17 7.7 6.7 7.2 12.9 7.7 9.1 6.3 5.6 5.9 8.7 7.4 7.9
18 6.8 6.1 6.4 12.5 7.5 10.2 6.4 5.6 6.0 9.8 7.2 8.3
19 7.0 6.4 6.7 12.9 7.5 9.6 6.7 6.0 6.4 9.6 7.6 8.6
20 6.8 6.4 6.6 11.8 7.3 9.5 7.0 6.4 6.7 8.7 6.7 7.3
21 7.0 6.6 6.9 11.5 7.0 9.4 7.6 6.8 7.1 8.7 6.6 7.4
22 7.4 6.9 7.1 10.5 7.2 9.0 7.7 7.4 7.6 9.2 7.3 8.1
23 8.6 7.0 7.6 10.9 6.9 9.0 7.7 5.1 7.3 8.2 6.9 7.3
24 9.6 7.1 8.1 9.6 7.3 8.7 7.3 7.1 7.2 8.2 6.8 7.4
25 11.0 7.3 8.9 8.1 6.2 7.1 7.2 6.8 7.0 8.3 7.1 7.6
26 12.1 8.1 9.7 8.7 5.9 6.8 8.0 6.1 7.2 8.3 7.1 7.6
27 13.3 8.3 10.3 9.9 6.6 7.6 8.4 6.6 7.5 9.8 7.7 8.5
28 12.4 8.4 10.1 7.8 5.2 6.0 9.6 6.7 7.7 9.3 7.7 8.5
29 13.9 8.4 10.6 6.1 5.8 6.0 9.8 7.6 8.6 10.3 7.6 8.7
30 10.3 7.8 8.9 6.4 5.8 6.1 11.4 7.9 9.3 9.3 7.2 8.3
31 --- --- --- 9.4 5.7 7.0 10.9 7.6 8.5 --- --- ---
MONTH 13.9 6.1 7.8 13.6 5.2 8.4 11.4 4.6 7.5 14.9 6.6 8.8
YEAR 18.1 4.6 9.7
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://pubsdata.usgs.gov/pubs/wdr/1997/oh-97-2/sw97/03234500.html
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Page Last Modified: Thursday, 08-Nov-2018 15:20:41 EST