Water Data Report 1997
03234300 PAINT CREEK AT CHILLICOTHE, OHIO LOCATION.--Lat 39019'13", long 82058'42", Ross County, Hydrologic Unit 05060003, on left bank at downstream side of bridge on State Highway 772, 4.3 mi downstream from North Fork Paint Creek and 3.8 mi upstream from mouth. DRAINAGE AREA.--1,136 mi2. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--October 1985 to current year. REVISED RECORDS.--WDR-OH-88-1: 1986(M), 1987(M). GAGE.--Water-stage recorder. Datum of gage is 600 ft above sea level, from topographic map. REMARKS.--Records fair except for periods of estimated record, which are poor. Flow regulated by Paint Creek Lake, 35 mi upstream, capacity 145,000 acre-ft, and Rocky Fork Lake 41 mi upstream, capacity 34,100 acre-ft. 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 1 498 253 3380 1010 e1400 9380 1240 653 7760 3520 322 379 2 781 251 3000 977 e1000 23600 1100 633 5680 3430 313 367 3 777 249 5190 961 e1500 8210 1030 880 2810 6430 285 338 4 568 245 4900 931 e3200 4580 983 1340 1880 5010 289 280 5 518 188 2420 1170 e8200 2790 1010 1540 1910 2680 271 219 6 408 150 1710 1210 e6600 3410 1270 1470 757 868 227 195 7 137 164 1200 1090 e4500 7230 1140 1390 2660 739 194 182 8 90 395 1100 1010 e3300 7190 851 1430 4930 687 174 171 9 79 611 1010 e800 e2500 7040 786 1810 4940 652 210 168 10 72 883 742 e600 e2000 8410 746 1620 4780 538 301 166 11 66 739 704 e450 e1600 8050 728 1080 4790 492 289 162 12 60 299 888 e380 e1400 7200 796 945 4830 468 268 154 13 111 290 910 e330 e1200 7160 889 996 4880 452 239 147 14 125 284 1100 e540 e1100 6000 825 956 3180 438 329 142 15 74 266 1030 e450 e1000 5960 913 726 762 423 356 137 16 50 297 682 e400 e900 3780 805 659 618 410 466 133 17 42 310 5730 e700 e860 2990 929 623 1170 397 408 127 18 45 344 6920 e540 e840 2610 934 607 3030 386 3360 121 19 66 349 5010 e430 984 5180 809 607 4110 377 3720 115 20 397 346 4510 e330 1050 4490 743 703 4180 368 3380 130 21 628 339 4080 e400 1330 3870 723 756 3820 324 2230 129 22 418 336 1660 e560 1450 2480 772 645 4110 288 2140 129 23 402 255 849 e900 1230 2260 648 587 1860 309 2170 119 24 400 205 1560 e1600 1080 1760 597 568 985 312 1160 115 25 298 213 3420 e2800 926 1600 598 579 962 317 798 104 26 219 1160 2400 e2600 829 2340 659 819 721 312 698 99 27 198 1560 1530 e2500 1030 1970 897 1350 654 323 574 96 28 192 1250 1220 e4500 1060 1710 1030 1160 626 385 521 93 29 225 1130 1000 e4000 --- 2160 884 883 613 368 447 92 30 268 1200 968 e3500 --- 2330 762 846 861 362 407 85 31 258 --- 1140 e2000 --- 1850 --- 743 --- 335 390 --- TOTAL 8470 14561 71963 39669 54069 159590 26097 29604 84869 32400 26936 4894 MEAN 273 485 2321 1280 1931 5148 870 955 2829 1045 869 163 MAX 781 1560 6920 4500 8200 23600 1270 1810 7760 6430 3720 379 MIN 42 150 682 330 829 1600 597 568 613 288 174 85 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1997, BY WATER YEAR (WY) MEAN 364 812 1390 1715 2222 2480 2071 2308 1307 650 367 151 MAX 2106 3368 5202 3533 3781 5148 4375 6366 4266 1687 1156 463 (WY) 1991 1986 1991 1996 1994 1997 1994 1996 1996 1990 1990 1990 MIN 48.2 90.7 62.8 298 310 458 376 239 94.4 83.7 61.5 67.3 (WY) 1988 1988 1988 1988 1987 1987 1986 1988 1988 1988 1986 1993 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1986 - 1997 ANNUAL TOTAL 826627 553122 ANNUAL MEAN 2259 1515 1315 HIGHEST ANNUAL MEAN 2178 1996 LOWEST ANNUAL MEAN 483 1988 HIGHEST DAILY MEAN 12600 May 5 23600 Mar 2 25300 May 29 1990 LOWEST DAILY MEAN 39 Sep 26 42 Oct 17 39 Sep 26 1996 ANNUAL SEVEN-DAY MINIMUM 43 Sep 21 72 Oct 12 43 Sep 21 1996 INSTANTANEOUS PEAK FLOW 27200 Mar 2 30100 May 29 1990 INSTANTANEOUS PEAK STAGE 23.66 Mar 2 24.67 May 29 1990 INSTANTANEOUS LOW FLOW 42 Oct 17 39 Sep 26 1996 10 PERCENT EXCEEDS 6360 4140 3750 50 PERCENT EXCEEDS 1140 798 547 90 PERCENT EXCEEDS 71 167 75 e Estimated. 03234300 PAINT CREEK AT CHILLICOTHE, OHIO WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years October 1985 to current year. PERIOD OF DAILY RECORD.-- SPECIFIC CONDUCTANCE: October 1985 to current year. pH: October 1985 to current year. WATER TEMPERATURES: October 1985 to current year. DISSOLVED OXYGEN: October 1985 to current year. INSTRUMENTATION.--Water-quality monitor since Oct. 1985. Electronic data logger replaced digital recorder since March 19, 1991. Set for 1-hour intervals. REMARKS.--Interruptions in the water-quality record were due to malfunction of the instrument. EXTREMES FOR PERIOD OF DAILY RECORD.-- SPECIFIC CONDUCTANCE: Maximum, 980 microsiemens Dec. 9, 11, 1989; minimum, 110 microsiemens Oct. 17, 1989. pH: Maximum, 9.0 units May 24, 1986; minimum, 7.1 units July 26, 1992. WATER TEMPERATURES: Maximum, 31.5C July 17, Aug. 18, 1988; minimum 0.0C on many days during winters. DISSOLVED OXYGEN: Maximum, 19.2 mg/L Feb. 11, 13, 1987; minimum recorded, 3.8 mg/L Aug. 16, 1986. EXTREMES FOR CURRENT YEAR.-- SPECIFIC CONDUCTANCE: Maximum, 612 microsiemens Sept. 30; minimum, 180 microsiemens Mar. 2. pH: Maximum, 8.5 units Nov. 3, 4 and Mar. 2; minimum 7.3 units June 2 and July 28. WATER TEMPERATURE: Maximum, 30.0C July 27; minimum, 1.5C Feb. 17. DISSOLVED OXYGEN: Maximum, 13.7 mg/L Nov. 23 and Mar. 5; minimum, 4.5 mg/L July 14. 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 1 382 356 372 464 454 460 518 363 431 514 496 508 2 392 376 384 455 443 449 421 351 372 532 514 524 3 396 390 393 443 438 441 463 421 451 554 532 547 4 394 390 391 444 435 439 --- --- --- 567 554 560 5 401 388 395 457 443 449 --- --- --- 567 517 540 6 425 401 412 473 424 463 --- --- --- 519 505 509 7 453 425 441 493 421 470 --- --- --- --- --- --- 8 480 452 468 493 416 459 --- --- --- --- --- --- 9 479 466 476 470 412 448 --- --- --- --- --- --- 10 492 477 485 430 405 422 --- --- --- --- --- --- 11 506 491 498 434 399 419 544 532 535 --- --- --- 12 513 499 504 448 433 440 547 448 519 --- --- --- 13 511 493 503 470 447 461 546 471 496 --- --- --- 14 509 470 494 473 460 464 521 479 501 --- --- --- 15 481 465 472 477 459 467 544 519 528 --- --- --- 16 483 475 478 488 470 479 563 544 557 --- --- --- 17 502 483 492 492 477 487 555 253 364 --- --- --- 18 499 455 475 498 487 494 420 335 388 --- --- --- 19 500 460 476 500 493 497 362 320 335 --- --- --- 20 514 427 453 500 494 497 340 322 328 --- --- --- 21 443 422 435 504 487 493 393 330 357 --- --- --- 22 438 436 436 521 489 508 459 384 423 --- --- --- 23 --- --- --- 515 503 510 495 459 477 --- --- --- 24 --- --- --- 534 514 526 506 436 484 --- --- --- 25 --- --- --- 542 532 540 449 431 438 --- --- --- 26 --- --- --- 560 437 515 477 449 469 --- --- --- 27 --- --- --- 467 441 457 485 473 478 --- --- --- 28 496 491 494 561 461 527 495 477 484 --- --- --- 29 497 483 489 523 507 513 515 495 507 --- --- --- 30 483 471 477 516 497 504 506 494 502 --- --- --- 31 474 464 469 --- --- --- 501 486 493 --- --- --- MONTH 514 356 456 561 399 477 563 253 455 567 496 531 FEBRUARY MARCH APRIL MAY 1 --- --- --- 588 212 359 529 518 525 527 518 524 2 --- --- --- 251 180 197 533 499 518 554 523 533 3 --- --- --- 337 251 311 504 498 500 531 454 507 4 --- --- --- 376 329 353 502 489 493 455 436 448 5 --- --- --- 431 376 411 495 461 491 486 436 467 6 --- --- --- 431 337 392 527 425 472 499 486 493 7 --- --- --- 349 321 335 538 472 514 506 499 501 8 --- --- --- 347 335 342 551 538 547 532 506 512 9 --- --- --- 339 327 332 545 505 525 506 499 500 10 --- --- --- 355 322 331 511 505 509 506 490 494 11 --- --- --- 392 328 359 523 510 516 509 495 502 12 471 447 460 452 378 413 517 495 508 509 490 496 13 486 455 470 459 445 451 516 481 494 506 485 494 14 533 486 517 470 409 445 519 501 510 517 505 510 15 533 518 527 495 411 464 514 501 508 521 517 518 16 518 494 507 --- --- --- 540 511 533 524 509 519 17 478 494 505 478 453 458 540 511 525 511 500 506 18 549 510 527 489 384 471 532 520 529 536 504 520 19 565 549 556 405 353 369 544 530 539 547 514 528 20 565 533 548 451 405 436 554 537 548 532 489 515 21 580 541 560 467 437 454 537 523 531 500 474 491 22 588 525 552 485 465 479 523 507 510 532 500 521 23 588 525 565 496 483 486 544 510 533 541 523 534 24 596 573 582 527 496 515 557 542 552 533 509 524 25 588 573 582 522 502 510 565 546 555 526 505 516 26 588 573 579 510 435 453 546 489 528 542 507 525 27 596 573 582 478 453 466 540 483 511 530 494 513 28 596 580 584 490 478 485 525 499 510 544 529 537 29 --- --- --- 501 451 481 522 501 511 548 542 544 30 --- --- --- 452 437 446 524 515 520 558 542 549 31 --- --- --- 518 452 480 --- --- --- 560 517 553 MONTH 596 447 541 588 180 416 565 425 519 560 436 513 JUNE JULY AUGUST SEPTEMBER 1 533 292 377 407 183 314 535 527 532 520 506 515 2 331 213 278 350 219 288 534 525 530 519 497 511 3 400 285 368 384 309 349 539 528 534 513 496 506 4 459 400 429 346 326 336 539 450 505 511 496 505 5 488 459 477 347 325 331 530 478 521 525 504 515 6 507 487 500 398 347 381 533 522 525 537 523 531 7 510 397 431 405 398 403 546 533 540 547 526 538 8 401 360 375 436 403 413 558 544 551 554 533 547 9 369 355 360 461 436 454 561 550 556 577 545 559 10 372 358 364 494 460 479 561 517 545 588 577 583 11 378 370 373 504 476 494 517 486 498 589 576 584 12 390 375 382 491 474 484 509 484 495 587 581 585 13 407 376 394 505 471 491 505 485 490 587 576 582 14 414 389 400 497 468 483 521 444 486 596 583 589 15 455 414 440 494 452 477 504 474 496 588 575 584 16 477 446 467 500 452 477 476 357 407 589 568 581 17 464 427 452 544 469 509 469 432 457 582 574 579 18 427 292 345 532 518 525 432 197 285 587 579 584 19 356 250 303 536 521 529 402 331 380 594 577 586 20 361 340 352 537 523 530 400 319 372 587 556 573 21 352 336 344 539 527 534 351 300 324 589 569 578 22 339 326 332 551 533 545 397 351 374 604 589 595 23 365 338 354 574 545 559 407 397 401 604 597 601 24 408 365 394 554 542 550 427 407 421 606 586 598 25 404 401 402 565 550 555 452 427 440 599 578 591 26 439 404 425 564 547 557 465 452 457 591 576 584 27 450 439 444 552 473 534 486 463 476 589 570 581 28 449 442 446 518 377 478 503 486 494 589 566 578 29 457 437 451 529 493 510 512 498 505 584 572 579 30 447 365 416 531 526 529 524 512 520 612 575 583 31 --- --- --- 533 527 531 521 510 517 --- --- --- MONTH 533 213 396 574 183 472 561 197 472 612 496 567 YEAR 612 180 480 03234300 PAINT CREEK AT CHILLICOTHE, 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 8.2 7.8 8.0 8.3 8.0 8.1 8.1 7.8 7.9 8.1 8.1 8.1 2 8.1 7.9 8.0 8.4 8.0 8.2 8.0 7.8 7.9 8.1 8.1 8.1 3 8.1 7.9 7.9 8.5 8.1 8.3 --- --- --- 8.2 8.1 8.1 4 8.2 7.9 8.0 8.5 8.1 8.3 --- --- --- 8.2 8.1 8.1 5 8.2 8.0 8.1 8.4 8.1 8.2 --- --- --- 8.2 8.1 8.1 6 8.3 8.0 8.1 8.3 8.0 8.1 --- --- --- 8.2 8.2 8.2 7 8.3 7.9 8.1 8.3 7.9 8.1 --- --- --- --- --- --- 8 8.2 8.0 8.1 8.1 7.8 8.0 --- --- --- --- --- --- 9 8.1 7.9 8.0 8.2 7.9 8.0 --- --- --- --- --- --- 10 8.0 7.9 7.9 8.1 8.0 8.1 --- --- --- --- --- --- 11 8.2 7.9 8.0 8.2 8.0 8.1 8.1 8.1 8.1 --- --- --- 12 8.3 8.0 8.1 8.2 8.1 8.2 8.1 8.0 8.1 --- --- --- 13 8.4 8.0 8.2 8.3 8.1 8.2 8.1 8.0 8.1 --- --- --- 14 8.4 8.1 8.2 8.3 8.1 8.2 8.2 8.1 8.2 --- --- --- 15 8.3 8.1 8.2 8.3 8.2 8.2 8.2 8.2 8.2 --- --- --- 16 8.1 7.9 8.0 8.3 8.2 8.3 8.2 8.2 8.2 --- --- --- 17 8.1 7.8 7.9 8.3 8.2 8.2 8.2 7.8 8.0 --- --- --- 18 7.9 7.7 7.8 8.2 8.1 8.2 8.1 7.9 8.0 --- --- --- 19 7.8 7.6 7.7 8.4 8.1 8.2 8.0 7.9 7.9 --- --- --- 20 8.1 7.8 8.0 8.4 8.2 8.3 8.0 7.9 8.0 --- --- --- 21 8.2 7.9 8.1 8.4 8.2 8.3 8.0 8.0 8.0 --- --- --- 22 8.2 8.0 8.1 8.4 8.2 8.3 8.0 8.0 8.0 --- --- --- 23 --- --- --- 8.4 8.2 8.3 8.0 8.0 8.0 --- --- --- 24 --- --- --- 8.3 8.2 8.2 8.1 8.0 8.1 --- --- --- 25 --- --- --- 8.2 8.1 8.2 8.1 8.1 8.1 --- --- --- 26 --- --- --- 8.1 8.0 8.1 8.2 8.1 8.1 --- --- --- 27 --- --- --- 8.2 8.1 8.1 8.1 8.1 8.1 --- --- --- 28 8.3 7.9 8.0 8.3 8.2 8.2 8.1 8.1 8.1 --- --- --- 29 8.3 7.9 8.1 8.2 8.2 8.2 8.1 8.1 8.1 --- --- --- 30 8.3 7.9 8.1 8.2 8.1 8.1 8.1 8.1 8.1 --- --- --- 31 8.3 7.9 8.1 --- --- --- 8.1 8.1 8.1 --- --- --- MONTH 8.4 7.6 8.0 8.5 7.8 8.2 8.2 7.8 8.1 8.2 8.1 8.1 FEBRUARY MARCH APRIL MAY 1 --- --- --- 8.3 7.8 8.0 8.1 8.0 8.1 8.2 7.9 8.1 2 --- --- --- 8.5 7.6 7.9 8.1 8.0 8.0 8.1 8.0 8.1 3 --- --- --- 8.2 7.9 8.0 8.1 8.0 8.0 8.1 7.9 8.0 4 --- --- --- 7.9 7.8 7.8 8.1 8.0 8.0 8.1 7.9 8.0 5 --- --- --- 7.8 7.8 7.8 8.1 7.9 8.0 8.2 8.0 8.1 6 --- --- --- 8.0 7.8 7.9 8.2 8.0 8.1 8.3 8.1 8.2 7 --- --- --- 8.0 7.9 7.9 8.2 8.1 8.1 8.3 8.2 8.2 8 --- --- --- 7.9 7.9 7.9 8.1 8.0 8.1 8.2 8.1 8.1 9 --- --- --- 7.9 7.8 7.8 8.2 8.0 8.1 8.1 8.0 8.1 10 --- --- --- 7.9 7.8 7.9 8.2 8.0 8.1 8.2 8.0 8.1 11 --- --- --- 7.9 7.8 7.9 8.2 8.0 8.1 8.1 8.1 8.1 12 8.1 8.0 8.0 8.0 7.9 7.9 8.2 7.9 8.1 8.1 8.0 8.0 13 8.2 8.1 8.1 8.0 8.0 8.0 8.3 8.0 8.1 8.1 8.0 8.1 14 8.2 8.1 8.1 8.0 7.9 8.0 8.2 8.0 8.1 8.1 8.0 8.0 15 8.2 8.1 8.2 8.0 8.0 8.0 8.3 8.0 8.2 8.1 7.9 8.0 16 8.2 8.1 8.2 8.0 8.0 8.0 8.2 8.1 8.2 8.2 7.9 8.1 17 8.2 8.1 8.2 8.0 7.9 8.0 8.3 8.0 8.2 8.2 8.0 8.1 18 8.2 8.1 8.2 8.0 7.9 7.9 8.3 8.1 8.2 8.2 7.9 8.1 19 8.2 8.2 8.2 8.0 7.9 8.0 8.3 8.1 8.2 8.1 7.9 8.0 20 8.2 8.1 8.2 8.0 8.0 8.0 8.2 8.0 8.1 8.1 7.9 8.0 21 8.3 8.2 8.2 8.0 8.0 8.0 8.2 8.0 8.1 8.1 7.9 8.0 22 8.3 8.2 8.3 8.0 7.9 8.0 8.3 8.0 8.1 8.1 8.0 8.0 23 8.3 8.2 8.3 8.0 8.0 8.0 8.2 8.0 8.1 8.1 8.0 8.1 24 8.3 8.2 8.3 8.0 8.0 8.0 8.1 7.9 8.1 8.1 8.0 8.0 25 8.3 8.2 8.2 8.0 8.0 8.0 8.1 7.9 8.0 8.0 7.9 7.9 26 8.2 8.2 8.2 8.0 8.0 8.0 8.1 8.0 8.0 8.0 7.8 7.9 27 8.3 8.2 8.2 8.0 8.0 8.0 8.1 8.0 8.1 8.0 7.9 8.0 28 8.4 8.2 8.3 8.0 8.0 8.0 8.2 7.9 8.1 8.1 8.0 8.0 29 --- --- --- 8.1 8.0 8.1 8.2 8.0 8.1 8.0 7.9 8.0 30 --- --- --- 8.1 8.1 8.1 8.2 8.0 8.1 8.1 7.9 8.0 31 --- --- --- 8.1 8.0 8.1 --- --- --- 8.0 7.9 7.9 MONTH 8.4 8.0 8.2 8.5 7.6 8.0 8.3 7.9 8.1 8.3 7.8 8.0 JUNE JULY AUGUST SEPTEMBER 1 7.9 7.5 7.6 7.7 7.5 7.6 8.0 7.9 7.9 8.1 7.9 8.0 2 7.6 7.3 7.5 7.6 7.5 7.6 8.0 7.9 7.9 8.2 7.9 8.0 3 7.7 7.5 7.6 7.6 7.5 7.5 8.0 7.8 7.9 8.2 7.9 8.0 4 7.8 7.6 7.7 7.6 7.5 7.5 7.9 7.7 7.8 8.2 8.0 8.1 5 7.8 7.8 7.8 7.6 7.5 7.5 7.9 7.8 7.8 8.2 8.0 8.1 6 7.9 7.8 7.8 7.6 7.5 7.6 7.9 7.9 7.9 8.2 8.0 8.1 7 7.9 7.6 7.7 7.7 7.6 7.7 7.9 7.9 7.9 8.2 8.0 8.1 8 7.6 7.5 7.6 7.8 7.7 7.7 7.9 7.9 7.9 8.1 7.9 8.0 9 7.6 7.5 7.6 7.9 7.7 7.8 8.0 7.9 7.9 8.0 7.8 7.9 10 7.6 7.5 7.6 8.0 7.8 7.9 8.0 7.9 7.9 8.0 7.8 7.9 11 7.7 7.6 7.6 8.0 7.9 7.9 8.0 7.9 7.9 8.0 7.9 7.9 12 7.7 7.7 7.7 8.1 7.8 8.0 8.0 7.8 7.9 8.0 7.9 7.9 13 7.7 7.7 7.7 8.1 7.9 8.0 8.0 7.8 7.9 8.0 7.9 7.9 14 7.8 7.7 7.7 8.1 7.8 8.0 8.0 7.9 7.9 8.0 7.9 7.9 15 7.9 7.7 7.8 8.0 7.8 7.9 8.1 7.9 7.9 7.9 7.8 7.9 16 8.0 7.8 7.9 8.0 7.8 7.9 7.9 7.7 7.8 7.9 7.8 7.9 17 8.0 7.9 7.9 8.1 7.8 7.9 7.9 7.8 7.8 7.9 7.8 7.8 18 7.9 7.6 7.7 8.1 7.8 7.9 7.8 7.5 7.7 7.9 7.8 7.9 19 7.7 7.5 7.6 8.0 7.8 7.9 7.6 7.6 7.6 7.9 7.8 7.9 20 7.7 7.6 7.7 8.0 7.8 7.9 7.7 7.6 7.6 7.9 7.8 7.8 21 7.7 7.6 7.7 8.0 7.8 7.9 7.8 7.6 7.7 8.0 7.8 7.9 22 7.8 7.7 7.7 7.9 7.7 7.8 7.9 7.8 7.8 8.0 7.9 8.0 23 7.8 7.7 7.7 7.9 7.7 7.8 7.9 7.9 7.9 8.0 7.9 8.0 24 7.8 7.7 7.7 7.9 7.7 7.8 7.9 7.9 7.9 8.0 7.9 8.0 25 7.8 7.6 7.7 7.9 7.7 7.8 8.0 7.9 7.9 8.0 7.9 8.0 26 7.8 7.7 7.7 7.8 7.7 7.8 8.0 7.9 8.0 8.0 7.9 7.9 27 7.8 7.7 7.8 7.7 7.6 7.7 8.1 7.9 8.0 8.0 7.9 7.9 28 7.9 7.7 7.8 7.6 7.3 7.4 8.0 7.9 8.0 8.0 7.9 7.9 29 7.9 7.7 7.8 8.1 7.4 7.7 8.0 7.9 8.0 8.0 7.9 7.9 30 7.8 7.7 7.7 8.1 7.9 8.0 8.1 7.9 8.0 8.0 7.9 7.9 31 --- --- --- 8.0 7.9 8.0 8.1 7.9 8.0 --- --- --- MONTH 8.0 7.3 7.7 8.1 7.3 7.8 8.1 7.5 7.9 8.2 7.8 7.9 YEAR 8.5 7.3 8.0 03234300 PAINT CREEK AT CHILLICOTHE, 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 19.0 16.0 17.5 12.5 10.5 11.5 8.5 6.0 7.5 7.0 6.0 6.5 2 20.0 18.0 19.0 10.5 8.5 9.5 8.5 5.5 7.0 8.5 7.0 7.5 3 19.5 17.0 18.5 9.5 7.5 8.5 6.0 5.0 5.5 9.5 8.5 9.5 4 17.0 15.0 16.0 9.0 6.5 8.0 --- --- --- 11.0 9.5 10.0 5 16.5 13.5 15.0 10.5 8.0 9.0 --- --- --- 11.0 9.5 10.5 6 17.0 14.0 15.5 11.0 10.0 10.5 --- --- --- 9.5 6.0 7.5 7 17.0 14.0 15.5 13.5 11.0 12.5 --- --- --- --- --- --- 8 17.5 14.5 16.0 13.0 11.0 12.0 --- --- --- --- --- --- 9 16.5 14.0 15.5 11.0 9.0 10.0 --- --- --- --- --- --- 10 14.5 12.0 13.0 9.0 7.5 8.5 --- --- --- --- --- --- 11 15.0 12.0 13.0 8.0 6.0 7.5 8.0 7.0 7.5 --- --- --- 12 15.0 10.5 13.0 6.0 5.0 5.5 9.5 8.0 8.5 --- --- --- 13 15.0 12.5 14.0 5.5 4.5 5.0 9.0 7.0 8.0 --- --- --- 14 17.0 14.5 15.5 5.5 4.0 4.5 7.0 5.0 6.0 --- --- --- 15 17.5 14.5 16.0 5.0 3.0 4.0 5.5 4.0 5.0 --- --- --- 16 19.0 15.5 17.0 5.5 3.5 4.5 6.5 5.5 6.0 --- --- --- 17 19.5 15.0 17.0 6.5 4.5 5.5 6.5 6.0 6.5 --- --- --- 18 18.5 13.0 16.0 8.0 6.5 7.5 6.0 5.0 5.5 --- --- --- 19 13.5 10.5 12.0 7.5 6.5 7.0 5.0 4.0 4.5 --- --- --- 20 12.5 11.5 12.0 7.5 6.5 6.5 4.0 2.5 3.0 --- --- --- 21 15.0 12.0 13.5 6.5 5.0 5.5 2.5 1.5 2.0 --- --- --- 22 15.5 14.5 15.0 5.0 4.5 5.0 3.0 2.0 2.5 --- --- --- 23 --- --- --- 5.5 4.0 4.5 5.5 3.0 4.0 --- --- --- 24 --- --- --- 6.5 5.0 5.5 6.5 4.5 6.0 --- --- --- 25 --- --- --- 6.5 6.0 6.0 4.5 2.0 2.5 --- --- --- 26 --- --- --- 6.0 5.0 6.0 3.0 2.0 2.5 --- --- --- 27 --- --- --- 5.0 4.0 4.5 4.5 3.0 4.0 --- --- --- 28 17.5 15.5 16.0 4.0 3.0 3.5 7.5 4.5 6.0 --- --- --- 29 15.5 13.5 14.5 4.0 3.0 3.5 9.0 7.5 8.0 --- --- --- 30 16.5 15.0 15.5 6.0 4.0 5.0 8.0 6.5 7.0 --- --- --- 31 15.0 12.5 13.5 --- --- --- 6.5 6.0 6.5 --- --- --- MONTH 20.0 10.5 15.0 13.5 3.0 7.0 9.5 1.5 5.5 11.0 6.0 8.5 FEBRUARY MARCH APRIL MAY 1 --- --- --- 10.0 8.5 9.5 11.0 8.0 9.5 16.5 14.0 15.5 2 --- --- --- 11.0 9.0 10.5 12.5 9.0 10.5 15.0 12.5 14.0 3 --- --- --- 9.0 7.0 7.5 13.5 10.0 11.5 16.0 14.5 15.0 4 --- --- --- 8.5 7.0 7.5 15.5 12.0 13.5 16.0 13.5 14.5 5 --- --- --- 8.5 8.0 8.5 15.0 14.5 14.5 16.0 13.5 15.0 6 --- --- --- 8.0 7.0 7.5 16.5 14.5 15.5 17.0 14.5 15.5 7 --- --- --- 9.5 7.5 8.5 15.5 13.0 14.0 17.5 14.5 16.0 8 --- --- --- 10.0 9.0 9.5 14.0 11.0 12.5 17.0 15.5 16.5 9 --- --- --- 10.0 8.5 9.0 12.0 9.0 10.5 17.0 13.5 15.5 10 --- --- --- 9.0 8.0 8.5 12.0 8.0 10.0 14.0 12.5 13.0 11 --- --- --- 9.0 8.0 8.5 14.5 10.5 12.0 16.0 12.5 14.5 12 3.5 3.0 3.0 9.0 7.5 8.5 14.0 13.0 13.5 16.0 15.0 15.5 13 3.0 2.0 2.0 8.5 7.5 8.0 13.5 10.5 12.0 16.0 14.0 15.0 14 3.5 2.0 2.5 8.5 8.0 8.5 13.0 9.0 11.0 16.0 14.0 15.0 15 4.0 3.0 3.0 8.0 6.5 7.0 14.0 10.5 12.0 15.5 14.0 15.0 16 3.0 2.0 2.5 7.0 5.5 6.5 13.5 11.5 12.5 15.5 12.5 14.0 17 3.5 1.5 2.5 7.0 6.5 6.5 12.5 10.0 11.5 18.5 14.0 16.0 18 6.0 3.0 4.0 7.5 6.5 7.0 12.5 9.0 10.5 20.5 16.5 18.5 19 6.5 5.5 6.0 7.5 5.5 6.5 14.0 11.0 12.5 22.5 19.5 21.0 20 7.0 5.5 6.0 8.5 6.5 7.5 15.5 11.5 13.5 21.5 19.0 20.0 21 8.0 6.0 7.0 10.0 7.0 8.5 15.0 13.5 14.0 20.0 17.5 18.5 22 8.0 5.5 7.0 10.0 9.0 9.5 15.5 12.5 14.0 19.5 16.0 18.0 23 6.0 4.5 5.5 9.0 7.5 8.5 14.5 12.5 13.5 20.0 16.0 18.0 24 6.5 4.5 5.5 9.5 7.0 8.5 14.0 12.5 13.5 20.5 17.0 18.5 25 6.5 4.5 5.5 10.5 9.0 10.0 14.5 11.5 13.0 20.0 19.0 19.5 26 5.5 5.0 5.5 10.5 9.0 10.0 16.5 11.5 14.0 19.0 18.0 18.5 27 9.5 5.5 8.0 11.5 8.5 10.0 15.5 13.5 14.0 19.0 16.5 17.5 28 10.0 8.0 9.0 12.5 10.5 11.5 15.0 13.0 13.5 19.0 17.0 18.0 29 --- --- --- 12.0 11.5 12.0 16.0 12.5 14.5 18.5 17.0 17.5 30 --- --- --- 12.0 10.0 11.0 17.5 14.0 15.5 19.5 16.5 18.0 31 --- --- --- 10.0 8.5 9.5 --- --- --- 19.0 18.5 19.0 MONTH 10.0 1.5 5.0 12.5 5.5 8.5 17.5 8.0 13.0 22.5 12.5 16.5 JUNE JULY AUGUST SEPTEMBER 1 18.5 17.0 17.5 23.5 22.5 23.0 26.5 22.0 24.5 25.0 21.5 23.0 2 22.5 18.0 20.0 25.0 22.5 23.5 26.0 23.0 24.0 26.0 22.5 24.0 3 20.5 17.5 18.5 24.5 22.5 23.5 27.0 23.0 25.0 25.5 22.5 23.5 4 19.0 16.5 17.5 24.0 23.5 24.0 26.5 23.5 25.5 22.5 19.0 21.0 5 20.5 16.5 18.5 24.0 22.5 23.0 25.5 23.0 24.5 22.0 18.5 20.5 6 20.5 18.0 19.5 24.0 21.5 23.0 24.0 21.0 23.0 21.0 19.5 20.0 7 19.5 17.5 18.5 24.0 21.5 23.0 24.5 20.5 22.5 22.5 19.0 20.5 8 18.5 17.5 18.0 25.0 22.5 24.0 25.5 20.5 23.0 23.5 20.5 22.0 9 19.0 17.5 18.0 24.5 22.5 24.0 25.0 22.5 23.5 22.5 21.0 21.5 10 19.5 17.5 18.5 24.0 21.0 22.5 25.0 22.5 24.0 22.0 20.5 21.0 11 19.5 18.0 19.0 25.0 21.0 23.0 26.0 23.0 24.5 22.5 20.0 21.0 12 20.0 19.0 19.5 26.0 22.5 24.0 27.0 24.0 25.5 22.0 19.5 21.0 13 20.5 19.0 20.0 26.5 23.0 25.0 26.0 25.0 25.5 22.0 19.0 20.5 14 21.0 20.0 20.5 28.0 24.0 26.0 26.5 23.5 25.0 22.5 19.5 21.0 15 22.5 19.0 21.0 28.0 25.0 26.5 26.0 23.5 25.0 23.5 20.5 22.0 16 22.0 20.5 21.0 28.5 24.5 26.5 28.0 24.0 25.5 24.5 21.0 22.5 17 22.5 20.0 21.0 29.0 25.0 27.0 27.5 25.5 26.0 23.5 21.5 22.5 18 21.5 20.5 21.0 29.0 25.0 27.0 25.5 22.5 23.5 23.5 19.5 21.5 19 23.5 20.0 21.5 28.0 25.5 27.0 24.5 23.5 24.0 22.5 19.5 21.0 20 23.0 21.0 22.0 28.0 24.0 26.0 24.5 22.0 23.5 22.5 21.0 21.5 21 23.5 21.5 22.5 28.0 23.5 26.0 23.0 21.5 22.0 21.0 18.5 20.0 22 23.5 22.0 23.0 27.0 25.0 26.0 22.0 21.5 22.0 20.0 16.5 18.5 23 24.5 22.5 23.5 26.5 24.5 25.5 22.5 21.0 22.0 19.0 16.5 17.5 24 26.0 23.0 24.5 27.0 23.5 25.5 22.0 20.5 21.5 19.0 16.0 17.5 25 26.0 23.5 25.0 28.0 24.0 26.0 22.5 20.5 21.5 20.0 15.5 17.5 26 25.5 24.0 24.5 28.0 24.5 26.5 23.5 21.5 22.5 19.0 16.5 18.0 27 25.0 22.5 24.0 30.0 25.5 27.5 24.0 22.5 23.0 20.5 16.0 18.0 28 25.5 23.0 24.0 29.0 25.5 27.5 25.5 22.5 24.0 19.0 17.0 18.5 29 25.5 23.5 24.0 28.0 25.5 27.0 24.0 22.0 22.5 20.0 17.0 18.5 30 24.0 23.0 23.5 27.0 23.5 25.5 23.0 20.5 22.0 18.5 17.5 18.0 31 --- --- --- 26.5 22.0 24.5 23.5 20.5 22.0 --- --- --- MONTH 26.0 16.5 21.0 30.0 21.0 25.0 28.0 20.5 23.5 26.0 15.5 20.5 YEAR 30.0 1.5 15.0 03234300 PAINT CREEK AT CHILLICOTHE, 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 --- --- --- 10.3 7.8 8.8 12.3 10.2 11.7 11.5 11.4 11.4 2 --- --- --- 11.2 8.2 9.4 10.2 8.9 9.6 11.4 11.2 11.3 3 8.3 7.4 7.9 11.5 8.6 9.8 9.6 7.9 8.2 11.2 11.0 11.1 4 9.0 7.4 8.0 11.7 8.8 9.9 --- --- --- 11.3 11.0 11.1 5 9.3 7.7 8.3 11.2 8.5 9.5 --- --- --- 11.1 10.8 10.9 6 9.6 7.7 8.3 9.4 8.0 8.7 --- --- --- 11.8 11.0 11.4 7 10.1 7.4 8.5 10.6 7.6 8.6 --- --- --- --- --- --- 8 10.0 7.0 8.1 8.8 7.4 7.9 --- --- --- --- --- --- 9 7.6 6.5 6.9 9.1 7.8 8.4 --- --- --- --- --- --- 10 8.5 6.5 7.4 9.2 8.3 8.7 --- --- --- --- --- --- 11 9.5 7.3 8.1 9.7 8.7 9.1 10.6 10.2 10.5 --- --- --- 12 10.6 7.6 8.6 10.3 9.1 9.7 10.3 10.0 10.1 --- --- --- 13 11.2 7.0 8.8 10.9 9.4 10.3 10.7 10.0 10.3 --- --- --- 14 10.9 7.3 8.9 11.2 10.0 10.5 11.1 10.6 10.9 --- --- --- 15 9.2 7.0 8.1 11.7 10.2 10.8 11.2 10.9 11.1 --- --- --- 16 8.5 6.0 7.2 11.8 10.4 11.0 10.9 10.5 10.7 --- --- --- 17 8.7 5.6 6.6 11.4 10.3 10.8 11.0 10.4 10.7 --- --- --- 18 6.0 5.2 5.6 11.0 9.9 10.3 11.3 11.0 11.2 --- --- --- 19 6.6 5.2 5.7 11.8 10.0 10.8 11.4 11.2 11.3 --- --- --- 20 7.9 6.1 7.3 12.5 10.4 11.2 11.7 11.4 11.6 --- --- --- 21 8.8 7.0 7.8 12.5 10.7 11.4 12.0 11.7 11.8 --- --- --- 22 8.8 7.2 7.8 12.6 11.1 11.8 11.9 11.2 11.5 --- --- --- 23 --- --- --- 13.7 11.3 12.3 11.2 11.1 11.2 --- --- --- 24 --- --- --- 12.5 11.3 11.8 11.4 10.9 11.0 --- --- --- 25 --- --- --- 12.1 11.0 11.3 12.0 11.4 11.9 --- --- --- 26 --- --- --- 12.9 11.0 11.9 12.0 11.7 11.9 --- --- --- 27 --- --- --- 13.1 12.7 12.9 11.7 11.4 11.5 --- --- --- 28 10.8 7.7 8.7 12.9 12.2 12.5 11.5 11.2 11.4 --- --- --- 29 10.3 7.3 8.5 12.3 11.7 12.0 11.2 11.0 11.0 --- --- --- 30 10.2 7.2 8.3 12.3 11.3 11.5 11.4 11.0 11.2 --- --- --- 31 10.5 7.2 8.5 --- --- --- 11.5 11.4 11.5 --- --- --- MONTH 11.2 5.2 7.8 13.7 7.4 10.5 12.3 7.9 11.0 11.8 10.8 11.2 FEBRUARY MARCH APRIL MAY 1 --- --- --- 13.6 10.5 11.8 10.5 9.9 10.2 8.6 6.8 7.7 2 --- --- --- 13.5 12.5 13.0 10.4 9.8 10.0 8.9 7.4 8.1 3 --- --- --- --- --- --- 10.3 9.5 9.9 7.8 6.9 7.3 4 --- --- --- 13.5 12.1 12.8 10.2 8.9 9.5 7.9 6.9 7.4 5 --- --- --- 13.7 9.6 10.9 9.6 8.4 8.9 7.9 7.0 7.3 6 --- --- --- 10.9 9.8 10.4 9.8 8.6 9.1 10.5 6.8 8.6 7 --- --- --- 10.9 10.6 10.8 10.9 8.5 9.5 10.4 8.8 9.5 8 --- --- --- 10.7 10.4 10.6 10.6 8.9 9.6 8.9 6.9 8.0 9 --- --- --- 11.0 10.6 10.9 11.2 9.0 10.0 9.5 7.2 8.4 10 --- --- --- 11.0 10.7 10.8 11.6 9.5 10.4 10.1 9.1 9.5 11 --- --- --- 11.9 10.8 11.1 11.4 9.2 10.2 10.3 8.9 9.6 12 10.8 10.4 10.5 11.9 11.2 11.4 10.2 8.5 9.3 9.9 8.4 9.0 13 11.2 10.7 11.1 12.0 11.7 11.9 10.6 8.7 9.5 9.9 8.5 9.1 14 11.1 10.5 10.8 11.7 11.2 11.4 11.4 9.3 10.3 9.8 8.4 9.0 15 10.5 10.3 10.4 13.2 10.0 12.1 11.2 9.1 10.1 9.8 8.1 8.9 16 10.7 10.4 10.6 12.7 12.4 12.5 11.4 8.7 9.9 11.3 8.4 9.7 17 11.1 10.6 10.8 12.5 11.4 11.9 11.2 9.4 10.3 11.1 8.6 9.6 18 10.7 10.0 10.5 11.5 11.0 11.1 12.0 10.1 11.0 10.4 7.8 8.9 19 10.1 9.8 10.0 11.8 11.5 11.6 11.6 9.6 10.6 9.2 6.5 7.7 20 10.5 9.9 10.2 11.5 11.0 11.3 11.2 9.2 10.2 8.5 6.1 7.1 21 10.3 9.9 10.2 11.0 10.4 10.8 11.2 8.6 10.0 8.7 6.7 7.6 22 10.8 9.9 10.3 10.4 10.1 10.2 11.1 9.2 10.1 9.1 7.3 8.1 23 11.5 10.8 11.2 10.6 10.3 10.5 10.8 8.8 9.8 9.2 7.4 8.2 24 11.7 11.0 11.4 10.6 10.2 10.4 10.4 8.7 9.6 8.9 7.3 8.0 25 11.8 11.2 11.5 10.2 9.8 10.1 10.3 8.7 9.5 7.8 6.8 7.3 26 11.6 11.1 11.4 10.8 9.8 10.3 10.0 8.6 9.2 8.0 6.9 7.5 27 11.3 10.5 11.0 10.3 9.8 10.2 9.0 8.0 8.5 8.3 7.6 7.9 28 11.6 10.4 11.0 9.9 9.4 9.7 9.3 8.0 8.6 8.6 7.6 8.0 29 --- --- --- 9.5 9.3 9.5 9.3 8.0 8.6 8.4 7.8 8.0 30 --- --- --- 9.9 9.5 9.7 9.1 7.5 8.2 8.8 7.7 8.3 31 --- --- --- 10.5 9.9 10.2 --- --- --- 8.0 7.2 7.5 MONTH 11.8 9.8 10.8 13.7 9.3 11.0 12.0 7.5 9.7 11.3 6.1 8.3 JUNE JULY AUGUST SEPTEMBER 1 9.2 7.1 7.8 6.2 5.9 6.0 9.4 8.3 8.7 8.3 7.4 7.7 2 7.6 6.6 6.9 6.2 6.0 6.1 9.3 8.4 8.8 8.3 7.4 7.8 3 7.5 6.6 7.2 6.0 5.9 6.0 9.7 8.8 9.1 7.8 7.3 7.5 4 8.0 7.1 7.6 6.0 5.8 5.9 9.4 8.5 8.9 8.3 7.3 7.7 5 8.1 7.4 7.8 6.1 5.8 5.9 9.4 8.6 8.9 8.7 7.7 8.0 6 8.0 7.3 7.7 6.3 5.7 6.0 8.9 8.2 8.6 8.6 7.8 8.2 7 7.6 7.2 7.4 6.3 5.7 6.0 9.1 7.9 8.4 8.9 7.9 8.3 8 7.5 6.8 7.1 7.0 5.6 6.2 9.2 7.8 8.4 8.9 6.9 8.1 9 8.1 6.9 7.5 7.0 5.9 6.5 9.0 7.9 8.4 8.7 6.9 7.9 10 8.0 7.3 7.7 7.7 6.3 6.9 8.9 8.0 8.4 9.8 7.8 8.5 11 7.7 7.3 7.4 7.7 6.2 6.9 9.3 7.9 8.5 9.9 7.2 8.1 12 7.5 7.1 7.3 8.0 5.8 6.7 9.0 7.7 8.3 7.8 7.0 7.4 13 7.5 7.0 7.3 7.5 5.2 6.2 8.2 7.5 7.9 7.8 7.0 7.3 14 7.7 7.0 7.4 6.7 4.5 5.6 8.1 7.3 7.7 7.5 6.8 7.1 15 7.6 6.9 7.3 --- --- --- 8.3 7.4 7.7 7.2 6.4 6.8 16 7.8 6.9 7.4 --- --- --- 7.8 7.3 7.5 6.8 5.9 6.4 17 7.8 7.2 7.4 --- --- --- 7.8 7.2 7.4 --- --- --- 18 7.4 7.1 7.2 --- --- --- 8.0 7.2 7.6 --- --- --- 19 7.4 6.1 6.9 --- --- --- 7.9 7.4 7.6 --- --- --- 20 7.7 6.4 7.3 --- --- --- 7.8 7.5 7.6 --- --- --- 21 7.3 7.0 7.2 --- --- --- 7.8 7.4 7.6 --- --- --- 22 7.4 6.8 7.1 10.1 9.4 9.7 7.5 7.0 7.2 --- --- --- 23 7.4 6.7 7.1 10.1 9.2 9.5 7.6 6.8 7.1 --- --- --- 24 7.1 6.0 6.7 9.9 8.9 9.3 7.3 6.8 7.0 --- --- --- 25 6.6 5.9 6.3 9.6 8.8 9.1 7.5 6.9 7.2 --- --- --- 26 6.8 5.9 6.3 9.7 8.6 9.1 7.7 6.8 7.2 --- --- --- 27 7.0 6.2 6.6 9.8 8.7 9.2 7.9 6.9 7.3 --- --- --- 28 7.2 6.1 6.6 9.8 8.7 9.1 7.7 7.2 7.4 --- --- --- 29 7.5 6.0 6.6 9.3 8.2 8.7 7.4 6.9 7.2 --- --- --- 30 6.6 6.0 6.2 9.0 8.0 8.4 7.8 7.0 7.3 --- --- --- 31 --- --- --- 9.3 8.1 8.6 8.0 7.1 7.5 --- --- --- MONTH 9.2 5.9 7.1 10.1 4.5 7.4 9.7 6.8 7.9 9.9 5.9 7.7 YEAR 13.7 4.5 9.1