1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02166501 LAKE GREENWOOD TAILRACE NR CHAPPELLS, SC SOURCE AGENCY USGS STATE 45 COUNTY 071 LATITUDE 341010 LONGITUDE 0815410 NAD27 DRAINAGE AREA 1170.* CONTRIBUTING DRAINAGE AREA DATUM 370. NGVD29 Date Processed: 2005-04-11 11:54 By mishealy APPROVED DD #18, , PUBLISHED 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 6270 611 2170 1330 3060 6520 2270 4240 1980 699 3950 512 2 5290 621 4450 1290 3040 9040 264 4270 3380 986 1940 508 3 1570 694 4540 1840 2650 7180 1120 4530 3880 1040 1240 502 4 1150 701 4350 1630 1420 4560 1380 5010 3250 663 1220 497 5 580 676 4380 1680 973 3900 1050 4540 710 823 702 499 6 593 678 4350 2010 1100 3440 619 4010 518 538 516 463 7 1870 640 3660 1760 1380 3430 1870 2230 527 503 524 450 8 2180 2310 1360 1850 2420 3400 1210 1600 520 674 932 433 9 815 2580 1020 3970 2050 3380 1720 2150 1020 1080 585 590 10 611 1630 1490 5260 1430 3350 949 2810 1620 1500 584 901 11 824 1660 1150 4300 1410 3340 565 2340 979 449 583 1310 12 700 1100 1220 3990 1420 3360 1400 289 1120 470 744 469 13 813 760 2260 3920 3030 3370 1080 285 2160 489 1010 452 14 548 753 2460 2950 5710 3620 2280 1130 1310 489 1500 449 15 421 585 1700 1820 6500 3630 1360 1070 3260 504 523 914 16 689 537 1480 2930 5640 3430 1310 1410 1540 517 514 884 17 798 746 1290 2870 4430 3380 1680 1030 892 1520 510 950 18 539 1030 1150 2610 4180 3350 1300 610 1870 738 506 461 19 550 1270 1610 1970 4110 2260 1240 843 3240 519 508 452 20 567 1110 1800 1990 4060 1430 1080 1020 1260 508 513 459 21 547 502 1380 1870 4040 1900 1660 1090 526 503 505 686 22 519 588 1370 1780 4300 1630 1620 1080 904 711 550 668 23 515 767 1040 1430 2370 1420 2260 1100 1540 1210 516 761 24 635 1240 709 1950 1460 1420 2330 728 1180 3590 509 699 25 689 999 1130 2420 1180 994 2050 920 1040 4220 512 2220 26 663 1190 1340 3090 1040 2380 2610 1150 1120 3840 560 2170 27 645 886 1340 3100 1290 2950 2620 1050 758 3740 483 2420 28 639 565 1280 3050 3150 1560 4330 1630 987 3750 500 1140 29 615 1010 1240 3110 --- 1520 5520 1200 895 2020 510 978 30 596 857 786 3140 --- 2410 4550 1200 1360 1460 509 1230 31 611 --- 1050 3100 --- 2790 --- 1210 --- 3950 513 --- TOTAL 34052 29296 60555 80010 78843 100344 55297 57775 45346 43703 24771 25127 MEAN 1098 977 1953 2581 2816 3237 1843 1864 1512 1410 799 838 MAX 6270 2580 4540 5260 6500 9040 5520 5010 3880 4220 3950 2420 MIN 421 502 709 1290 973 994 264 285 518 449 483 433 CFSM 0.94 0.83 1.67 2.21 2.41 2.77 1.58 1.59 1.29 1.20 0.68 0.72 IN. 1.08 0.93 1.93 2.54 2.51 3.19 1.76 1.84 1.44 1.39 0.79 0.80 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 1997, BY WATER YEAR (WY) MEAN --- --- --- --- --- --- --- --- --- --- --- --- MAX --- --- --- --- --- --- --- --- --- --- --- --- (WY) --- --- --- --- --- --- --- --- --- --- --- --- MIN --- --- --- --- --- --- --- --- --- --- --- --- (WY) --- --- --- --- --- --- --- --- --- --- --- --- SUMMARY STATISTICS FOR 1997 WATER YEAR MAXIMUM PEAK FLOW 12500 Mar 2 MAXIMUM PEAK STAGE 22.60 Mar 2 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02166501 LAKE GREENWOOD TAILRACE NR CHAPPELLS, SC SOURCE AGENCY USGS STATE 45 COUNTY 071 LATITUDE 341010 LONGITUDE 0815410 NAD27 DRAINAGE AREA 1170.* CONTRIBUTING DRAINAGE AREA DATUM 370. NGVD29 Date Processed: 2005-04-11 11:54 By mishealy APPROVED DD #18, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1997 TO SEPTEMBER 1998 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1010 4100 1050 4000 4220 2910 2820 5010 2320 669 508 e350 2 481 3440 1270 3480 4200 2340 1940 5560 2050 969 482 1360 3 791 1780 1250 1950 4620 2650 2320 5200 1580 469 477 3410 4 481 1530 1240 1360 9340 2320 5790 4550 2000 451 475 4220 5 460 796 1310 1300 15700 1530 5030 4220 3250 697 682 1590 6 446 960 1730 1880 8490 1480 4210 4170 2080 805 649 961 7 439 1220 1390 2710 5710 2930 3950 4480 1030 796 571 746 8 440 733 1360 3670 4650 4860 3440 7050 1860 791 1320 983 9 439 491 1270 4520 4610 12500 5040 6270 1390 496 978 721 10 441 1090 1010 4440 4590 13300 10300 4790 1820 779 516 1070 11 449 1260 986 4430 4550 6520 5780 4660 2090 691 476 564 12 463 705 1140 4400 4530 4390 4440 4560 1820 861 972 598 13 469 1710 743 4390 4490 4350 4350 2500 1810 461 941 605 14 467 2770 1210 4370 4470 4280 4300 2050 909 454 470 975 15 485 2900 1120 4380 4450 4190 2880 2650 930 461 968 1150 16 503 1370 811 4700 4430 4180 1900 2270 1580 460 1180 979 17 485 515 925 4670 4590 4220 7830 1740 1210 1210 2140 532 18 476 511 927 4460 4610 4260 12800 2300 1240 482 2550 525 19 477 503 1040 4590 4530 5120 6270 2080 1030 976 1180 548 20 480 1020 505 4590 4480 4800 7320 1620 1240 914 466 567 21 484 1260 962 4440 4450 4410 7310 1400 1200 1150 472 949 22 786 2030 1900 4400 4420 4350 5120 1890 1170 505 739 1040 23 489 3660 2140 5280 4560 4030 4950 1380 1800 511 754 1510 24 467 3050 3920 4890 4460 2000 5950 2270 1620 818 493 559 25 457 1320 6820 4490 4440 1860 4620 1780 1230 499 492 969 26 2910 1290 5560 2440 3320 2380 4580 1320 1220 493 479 1180 27 4000 1010 4730 3470 2150 1930 4200 802 1220 1110 474 712 28 4390 1020 4640 5530 2920 1510 3430 1300 1070 996 494 496 29 4100 1270 4520 4690 --- 1890 2760 2210 470 470 461 785 30 4110 1020 4450 4240 --- 1510 3520 1380 473 1010 461 984 31 4050 --- 4370 4220 --- 1850 --- 1710 --- 837 e300 --- TOTAL 36425 46334 66299 122380 141980 120850 149150 95172 44712 22291 23620 31638 MEAN 1175 1544 2139 3948 5071 3898 4972 3070 1490 719 762 1055 MAX 4390 4100 6820 5530 15700 13300 12800 7050 3250 1210 2550 4220 MIN 439 491 505 1300 2150 1480 1900 802 470 451 300 350 CFSM 1.00 1.32 1.83 3.37 4.33 3.33 4.25 2.62 1.27 0.61 0.65 0.90 IN. 1.16 1.47 2.11 3.89 4.51 3.84 4.74 3.03 1.42 0.71 0.75 1.01 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 1998, BY WATER YEAR (WY) MEAN 1137 1260 2046 3264 3943 3568 3407 2467 1501 1064 780 946 MAX 1175 1544 2139 3948 5071 3898 4972 3070 1512 1410 799 1055 (WY) 1998 1998 1998 1998 1998 1998 1998 1998 1997 1997 1997 1998 MIN 1098 977 1953 2581 2816 3237 1843 1864 1490 719 762 838 (WY) 1997 1997 1997 1997 1997 1997 1997 1997 1998 1998 1998 1997 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1997 - 1998 ANNUAL TOTAL 900851 ANNUAL MEAN 2468 2104 HIGHEST ANNUAL MEAN 2468 1998 LOWEST ANNUAL MEAN 1740 1997 HIGHEST DAILY MEAN 15700 Feb 5 15700 Feb 5 1998 LOWEST DAILY MEAN 300 Aug 31 264 Apr 2 1997 ANNUAL SEVEN-DAY MINIMUM 431 Aug 26 431 Aug 26 1998 MAXIMUM PEAK FLOW 18400 Feb 5 0.00 Aug 28 1995 MAXIMUM PEAK STAGE 28.46 Feb 5 32.89 Aug 28 1995 ANNUAL RUNOFF (CFSM) 2.11 1.80 ANNUAL RUNOFF (INCHES) 28.64 24.43 10 PERCENT EXCEEDS 4690 4520 50 PERCENT EXCEEDS 1580 1360 90 PERCENT EXCEEDS 481 500 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02166501 LAKE GREENWOOD TAILRACE NR CHAPPELLS, SC SOURCE AGENCY USGS STATE 45 COUNTY 071 LATITUDE 341010 LONGITUDE 0815410 NAD27 DRAINAGE AREA 1170.* CONTRIBUTING DRAINAGE AREA DATUM 370. NGVD29 Date Processed: 2005-04-11 11:54 By mishealy APPROVED DD #18, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1998 TO SEPTEMBER 1999 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 826 508 603 1260 2980 610 1790 3790 548 536 570 285 2 574 513 625 1270 4660 959 2630 2430 549 562 570 285 3 550 520 626 2170 4110 1150 2530 809 550 549 568 284 4 544 498 613 2850 3930 1170 2450 936 532 548 565 283 5 912 481 617 3120 3880 764 1840 1230 521 541 565 282 6 1580 530 607 2790 1910 587 1310 1280 518 528 564 280 7 864 539 589 2240 1060 707 1230 1310 516 1200 564 280 8 1300 544 585 1940 1230 603 766 1300 516 871 535 279 9 1860 529 583 1290 1300 831 1090 1310 516 826 488 279 10 2020 522 834 1310 1250 931 1240 1270 514 517 462 278 11 1240 530 606 1310 1200 617 794 1250 514 514 462 278 12 722 549 607 1300 1200 620 626 962 513 527 345 277 13 540 570 836 1290 1280 766 665 581 513 1120 284 276 14 541 1110 1090 1020 872 1710 830 995 513 612 285 418 15 543 1110 1380 e1640 633 1590 631 953 514 597 283 631 16 545 1160 1150 1330 787 719 879 601 569 593 282 286 17 525 1900 984 2060 622 687 633 707 598 588 280 287 18 511 1470 780 2500 624 1080 1060 695 546 587 282 287 19 507 886 561 1340 1640 1120 986 563 526 494 280 277 20 503 575 548 1140 2150 648 837 619 518 1050 283 265 21 515 578 1110 1360 2110 597 748 776 517 910 283 271 22 520 610 852 2090 2290 959 730 624 515 694 282 273 23 529 612 637 1750 1730 1160 737 581 515 530 281 272 24 547 1070 1680 2290 1080 1170 596 689 515 526 279 273 25 563 945 2270 2750 764 808 605 606 517 515 395 272 26 536 615 2340 2680 611 1030 807 588 522 512 501 271 27 521 630 2250 2690 749 1280 582 678 1860 511 587 271 28 519 636 1810 1710 610 840 1030 576 1600 705 504 273 29 655 617 658 1720 --- 610 1200 557 537 572 502 275 30 642 592 1270 1360 --- 383 2980 656 545 574 453 860 31 516 --- 1560 1390 --- 953 --- 550 --- 572 261 --- TOTAL 23270 21949 31261 56960 47262 27659 34832 30472 18247 19981 12845 9408 MEAN 751 732 1008 1837 1688 892 1161 983 608 645 414 314 MAX 2020 1900 2340 3120 4660 1710 2980 3790 1860 1200 587 860 MIN 503 481 548 1020 610 383 582 550 513 494 261 265 CFSM 0.64 0.63 0.86 1.57 1.44 0.76 0.99 0.84 0.52 0.55 0.35 0.27 IN. 0.74 0.70 0.99 1.81 1.50 0.88 1.11 0.97 0.58 0.64 0.41 0.30 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 1999, BY WATER YEAR (WY) MEAN 1008 1084 1700 2789 3191 2676 2659 1972 1203 924 658 735 MAX 1175 1544 2139 3948 5071 3898 4972 3070 1512 1410 799 1055 (WY) 1998 1998 1998 1998 1998 1998 1998 1998 1997 1997 1997 1998 MIN 751 732 1008 1837 1688 892 1161 983 608 645 414 314 (WY) 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 1999 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1997 - 1999 ANNUAL TOTAL 334146 ANNUAL MEAN 915 1708 HIGHEST ANNUAL MEAN 2468 1998 LOWEST ANNUAL MEAN 915 1999 HIGHEST DAILY MEAN 4660 Feb 2 15700 Feb 5 1998 LOWEST DAILY MEAN 261 Aug 31 261 Aug 31 1999 ANNUAL SEVEN-DAY MINIMUM 271 Sep 20 271 Sep 20 1999 MAXIMUM PEAK FLOW 4910 Feb 2 0.00 Aug 28 1995 MAXIMUM PEAK STAGE 14.40 Feb 2 32.89 Aug 28 1995 ANNUAL RUNOFF (CFSM) 0.782 1.46 ANNUAL RUNOFF (INCHES) 10.62 19.83 10 PERCENT EXCEEDS 1820 4340 50 PERCENT EXCEEDS 619 1080 90 PERCENT EXCEEDS 285 489 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02166501 LAKE GREENWOOD TAILRACE NR CHAPPELLS, SC SOURCE AGENCY USGS STATE 45 COUNTY 071 LATITUDE 341010 LONGITUDE 0815410 NAD27 DRAINAGE AREA 1170.* CONTRIBUTING DRAINAGE AREA DATUM 370. NGVD29 Date Processed: 2005-04-11 11:54 By mishealy APPROVED DD #18, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1999 TO SEPTEMBER 2000 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1640 545 572 574 1530 869 572 1390 491 393 318 338 2 856 554 571 905 1890 524 571 1070 462 395 467 331 3 509 606 1350 1180 964 684 902 1250 491 391 521 325 4 499 589 985 1660 851 525 2470 1070 488 390 514 334 5 1140 858 584 1490 558 574 1630 1080 486 389 1090 325 6 2050 537 587 1230 551 649 1730 1260 488 368 976 375 7 1310 539 979 1220 545 536 1080 981 490 319 463 396 8 504 543 950 1220 541 531 613 622 488 316 380 401 9 505 543 587 1220 993 632 969 591 487 315 494 399 10 509 548 662 3180 536 521 1230 718 486 315 513 392 11 2260 749 596 3350 534 526 989 576 488 359 520 383 12 3610 554 599 2640 943 636 742 710 488 361 521 729 13 3660 544 1010 2230 549 534 961 575 488 290 522 954 14 3650 542 1230 1090 3180 910 1230 573 487 330 327 631 15 2670 549 1240 635 3730 1100 1260 893 460 310 339 357 16 525 552 1870 1390 2230 948 1950 511 387 295 286 839 17 523 553 1450 1910 1200 811 1560 550 386 288 308 717 18 525 555 764 1350 976 1430 1250 641 385 285 313 430 19 954 557 1090 1600 1220 1750 1250 517 367 284 313 423 20 813 554 1110 1760 768 2790 1250 504 310 284 313 430 21 528 553 1220 878 534 3430 1250 626 409 284 311 921 22 532 557 1300 551 531 4200 975 502 374 285 815 1920 23 532 560 1310 2730 529 3970 578 503 306 285 327 3190 24 532 561 1050 4370 779 3920 576 503 301 285 314 3520 25 533 564 595 3230 904 3900 2080 503 296 378 349 2650 26 532 574 585 2210 527 3880 1260 502 295 441 e378 2230 27 537 1610 583 1700 526 3310 1260 503 315 370 376 836 28 539 1550 580 1190 532 1800 844 501 313 381 237 450 29 538 1420 580 1280 953 789 600 497 308 368 336 916 30 543 805 924 2520 --- 577 613 495 360 364 263 826 31 543 --- 891 2330 --- 676 --- 492 --- 330 335 --- TOTAL 34601 20325 28404 54823 30104 47932 34245 21709 12380 10448 13539 26968 MEAN 1116 678 916 1768 1038 1546 1142 700 413 337 437 899 MAX 3660 1610 1870 4370 3730 4200 2470 1390 491 441 1090 3520 MIN 499 537 571 551 526 521 571 492 295 284 237 325 CFSM 0.95 0.58 0.78 1.51 0.89 1.32 0.98 0.60 0.35 0.29 0.37 0.77 IN. 1.10 0.65 0.90 1.74 0.96 1.52 1.09 0.69 0.39 0.33 0.43 0.86 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 2000, BY WATER YEAR (WY) MEAN 1035 983 1504 2534 2639 2393 2279 1654 1006 778 603 776 MAX 1175 1544 2139 3948 5071 3898 4972 3070 1512 1410 799 1055 (WY) 1998 1998 1998 1998 1998 1998 1998 1998 1997 1997 1997 1998 MIN 751 678 916 1768 1038 892 1142 700 413 337 414 314 (WY) 1999 2000 2000 2000 2000 1999 2000 2000 2000 2000 1999 1999 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1997 - 2000 ANNUAL TOTAL 335478 ANNUAL MEAN 917 1510 HIGHEST ANNUAL MEAN 2468 1998 LOWEST ANNUAL MEAN 915 1999 HIGHEST DAILY MEAN 4370 Jan 24 15700 Feb 5 1998 LOWEST DAILY MEAN 237 Aug 28 237 Aug 28 2000 ANNUAL SEVEN-DAY MINIMUM 285 Jul 18 271 Sep 20 1999 MAXIMUM PEAK FLOW 7530 Nov 5 0.00 Aug 28 1995 MAXIMUM PEAK STAGE 17.66 Nov 5 32.89 Aug 28 1995 ANNUAL RUNOFF (CFSM) 0.783 1.29 ANNUAL RUNOFF (INCHES) 10.67 17.53 10 PERCENT EXCEEDS 1900 3990 50 PERCENT EXCEEDS 572 948 90 PERCENT EXCEEDS 327 455 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02166501 LAKE GREENWOOD TAILRACE NR CHAPPELLS, SC SOURCE AGENCY USGS STATE 45 COUNTY 071 LATITUDE 341010 LONGITUDE 0815410 NAD27 DRAINAGE AREA 1170.* CONTRIBUTING DRAINAGE AREA DATUM 370. NGVD29 Date Processed: 2005-04-11 11:54 By mishealy APPROVED DD #18, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 493 326 596 518 560 588 3030 583 553 540 503 323 2 461 319 516 769 634 480 2990 574 1120 518 491 323 3 434 311 553 507 499 474 2980 794 1340 562 491 322 4 395 310 787 983 504 1180 2980 689 1770 574 489 318 5 367 312 527 1190 624 1140 1510 682 783 855 493 671 6 371 323 522 952 471 547 603 809 530 556 1000 1680 7 371 313 e509 725 434 821 591 682 568 530 797 1230 8 387 321 e504 1000 558 501 763 657 552 536 486 1180 9 398 319 e500 955 460 593 988 719 543 539 487 819 10 390 340 e483 827 457 463 896 563 554 533 531 512 11 359 360 e470 1020 596 459 619 557 531 524 511 500 12 354 367 449 1690 475 572 606 702 1050 520 480 818 13 384 412 485 1020 444 507 728 587 1690 531 474 513 14 361 438 465 637 566 1040 650 564 1100 542 469 485 15 355 472 436 1010 443 2510 970 674 572 543 470 477 16 328 479 449 1190 457 3190 1830 549 541 531 467 493 17 313 462 481 900 657 2690 970 544 526 503 461 1000 18 304 495 1810 942 583 2530 724 674 530 488 465 675 19 306 522 2190 1200 532 2200 663 572 555 505 463 470 20 310 524 1220 1230 603 2140 756 567 536 498 465 452 21 308 561 865 2100 440 3220 606 675 539 496 459 814 22 305 506 810 2550 500 2750 935 569 536 497 461 481 23 302 456 811 2510 699 2550 866 553 535 495 466 960 24 306 468 504 1960 534 2520 586 677 535 497 388 1990 25 308 474 493 797 472 2100 1230 562 523 783 431 1400 26 308 513 475 915 600 1330 966 566 517 3040 475 506 27 313 603 451 1210 495 1020 883 691 535 3040 365 1110 28 303 504 925 801 462 583 632 593 538 2740 313 1110 29 304 486 703 1250 --- 1830 620 1530 550 1300 306 847 30 313 774 503 1220 --- 3720 717 772 540 518 308 440 31 324 --- 525 934 --- 3330 --- 542 --- 508 308 --- TOTAL 10835 13070 21017 35512 14759 49578 33888 20472 21292 24842 14773 22919 MEAN 350 436 678 1146 527 1599 1130 660 710 801 477 764 MAX 493 774 2190 2550 699 3720 3030 1530 1770 3040 1000 1990 MIN 302 310 436 507 434 459 586 542 517 488 306 318 CFSM 0.30 0.37 0.58 0.98 0.45 1.37 0.97 0.56 0.61 0.68 0.41 0.65 IN. 0.34 0.42 0.67 1.13 0.47 1.58 1.08 0.65 0.68 0.79 0.47 0.73 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 2001, BY WATER YEAR (WY) MEAN 898 873 1339 2256 2219 2235 2049 1455 947 782 578 774 MAX 1175 1544 2139 3948 5071 3898 4972 3070 1512 1410 799 1055 (WY) 1998 1998 1998 1998 1998 1998 1998 1998 1997 1997 1997 1998 MIN 350 436 678 1146 527 892 1130 660 413 337 414 314 (WY) 2001 2001 2001 2001 2001 1999 2001 2001 2000 2000 1999 1999 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1997 - 2001 ANNUAL TOTAL 282957 ANNUAL MEAN 775 1363 HIGHEST ANNUAL MEAN 2468 1998 LOWEST ANNUAL MEAN 775 2001 HIGHEST DAILY MEAN 3720 Mar 30 15700 Feb 5 1998 LOWEST DAILY MEAN 302 Oct 23 237 Aug 28 2000 ANNUAL SEVEN-DAY MINIMUM 306 Oct 18 271 Sep 20 1999 MAXIMUM PEAK FLOW 4000 Mar 30 0.00 Aug 28 1995 MAXIMUM PEAK STAGE 12.99 Mar 30 32.89 Aug 28 1995 ANNUAL RUNOFF (CFSM) 0.663 1.16 ANNUAL RUNOFF (INCHES) 9.00 15.83 10 PERCENT EXCEEDS 1360 3430 50 PERCENT EXCEEDS 542 784 90 PERCENT EXCEEDS 357 434 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02166501 LAKE GREENWOOD TAILRACE NR CHAPPELLS, SC SOURCE AGENCY USGS STATE 45 COUNTY 071 LATITUDE 341010 LONGITUDE 0815410 NAD27 DRAINAGE AREA 1170.* CONTRIBUTING DRAINAGE AREA DATUM 370. NGVD29 Date Processed: 2005-04-11 11:54 By mishealy APPROVED DD #18, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 429 400 339 e442 2320 524 3390 2250 496 263 269 261 2 434 412 346 e937 1130 599 2650 1960 482 258 275 259 3 429 406 275 1080 729 1100 2120 651 472 257 e274 255 4 424 404 216 1590 421 1310 936 1050 464 258 272 250 5 350 331 260 835 528 1060 551 2130 459 254 267 250 6 306 287 314 527 632 711 550 2390 467 249 256 257 7 310 293 317 921 2690 519 666 1990 444 250 257 263 8 376 288 314 1110 3210 619 513 1090 451 251 259 263 9 429 288 311 1630 2910 526 729 957 460 249 265 246 10 381 292 319 1100 1370 531 814 897 456 252 271 240 11 290 288 705 e1050 501 670 530 555 458 257 269 241 12 333 284 511 e1120 544 586 818 530 446 267 259 244 13 427 286 1280 907 429 2220 1170 920 475 268 260 247 14 423 319 1110 444 431 2490 696 942 484 267 267 257 15 436 338 893 384 559 1380 473 638 493 254 265 347 16 445 346 514 873 453 1300 780 624 503 252 279 1250 17 446 395 e490 1110 440 1240 817 941 360 252 265 2120 18 449 438 510 1100 639 949 1060 579 267 251 265 2640 19 432 380 539 1100 503 532 666 597 268 251 254 2640 20 414 334 892 2050 470 510 561 652 263 252 259 1740 21 413 328 1070 2500 637 933 641 549 265 253 256 1400 22 401 334 678 2450 525 1230 762 525 264 255 252 860 23 416 328 463 2520 538 1250 551 628 269 258 258 646 24 428 350 459 2550 700 981 627 494 272 254 261 1120 25 418 352 482 2550 555 597 576 465 266 261 262 1300 26 426 334 488 2610 353 567 632 606 263 273 260 1300 27 421 330 452 2550 593 942 537 522 260 268 272 1030 28 447 326 436 e2550 520 862 532 513 267 265 267 965 29 440 343 430 2480 --- 472 768 653 268 260 263 1930 30 418 335 444 2450 --- 741 558 513 268 259 260 960 31 417 --- 469 2550 --- 2470 --- 504 --- 263 265 --- TOTAL 12608 10169 16326 48070 25330 30421 26674 28315 11330 7981 8183 25781 MEAN 407 339 527 1551 905 981 889 913 378 257 264 859 MAX 449 438 1280 2610 3210 2490 3390 2390 503 273 279 2640 MIN 290 284 216 384 353 472 473 465 260 249 252 240 CFSM 0.35 0.29 0.45 1.33 0.77 0.84 0.76 0.78 0.32 0.22 0.23 0.73 IN. 0.40 0.32 0.52 1.53 0.81 0.97 0.85 0.90 0.36 0.25 0.26 0.82 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 2002, BY WATER YEAR (WY) MEAN 816 784 1204 2138 2002 2026 1856 1365 852 695 525 788 MAX 1175 1544 2139 3948 5071 3898 4972 3070 1512 1410 799 1055 (WY) 1998 1998 1998 1998 1998 1998 1998 1998 1997 1997 1997 1998 MIN 350 339 527 1146 527 892 889 660 378 257 264 314 (WY) 2001 2002 2002 2001 2001 1999 2002 2001 2002 2002 2002 1999 SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1997 - 2002 ANNUAL TOTAL 277138 251188 ANNUAL MEAN 759 688 1250 HIGHEST ANNUAL MEAN 2468 1998 LOWEST ANNUAL MEAN 688 2002 HIGHEST DAILY MEAN 3720 Mar 30 3390 Apr 1 15700 Feb 5 1998 LOWEST DAILY MEAN 216 Dec 4 216 Dec 4 216 Dec 4 2001 ANNUAL SEVEN-DAY MINIMUM 287 Dec 3 248 Sep 8 248 Sep 8 2002 MAXIMUM PEAK FLOW 3490 Apr 1 0.00 Aug 28 1995 MAXIMUM PEAK STAGE 12.38 Feb 7 32.89 Aug 28 1995 ANNUAL RUNOFF (CFSM) 0.649 0.588 1.07 ANNUAL RUNOFF (INCHES) 8.81 7.99 14.52 10 PERCENT EXCEEDS 1310 1370 3080 50 PERCENT EXCEEDS 538 460 678 90 PERCENT EXCEEDS 334 258 325 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02166501 LAKE GREENWOOD TAILRACE NR CHAPPELLS, SC SOURCE AGENCY USGS STATE 45 COUNTY 071 LATITUDE 341010 LONGITUDE 0815410 NAD27 DRAINAGE AREA 1170.* CONTRIBUTING DRAINAGE AREA DATUM 370. NGVD29 Date Processed: 2005-04-11 11:54 By mishealy APPROVED DD #18, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 797 1000 864 3040 1890 2790 2620 2330 1190 1820 2260 1850 2 569 971 595 3060 1520 2790 2600 1620 1190 6950 2810 2300 3 566 534 561 3040 969 2740 2590 1250 1920 9060 3350 1970 4 546 514 866 3030 699 2710 2590 1250 2580 8310 3810 2060 5 546 801 1210 3020 713 2700 2590 2020 2560 4440 3870 1810 6 551 1220 2000 3000 1230 4550 2600 2410 2840 3860 3300 1760 7 553 1230 2390 3000 1570 10200 2860 2540 4230 3710 2640 1760 8 560 1800 2380 1960 1560 6010 3070 4690 4660 2840 1860 1240 9 556 1650 1910 2120 1520 2880 3320 4360 4130 1530 1300 1010 10 518 781 1200 2210 1600 2750 6880 2770 3760 2380 1310 1060 11 515 1150 1200 1280 1590 2720 6760 2370 3630 3270 1320 1010 12 510 2000 2000 1280 1530 2700 5220 2380 3150 2730 2050 1020 13 514 2720 2740 2070 1400 2690 3780 2380 2630 2710 2480 995 14 526 2740 3070 1050 1350 2680 2810 2370 2760 3040 2100 922 15 523 2350 2870 1300 1330 2720 2660 2380 2740 2670 1660 1110 16 988 2240 2790 1300 1390 2780 2650 2380 2270 1110 1630 1670 17 2060 2850 2760 2000 1610 2710 2640 2380 2170 1660 2530 1160 18 2310 2810 2750 2290 1470 2820 7600 2400 2500 2390 2470 840 19 2160 2750 1900 1180 1300 2830 6990 2420 2570 2390 2460 842 20 1490 2720 1450 689 1780 10100 2990 2430 3140 2390 3060 919 21 751 1880 2010 1240 2610 17000 2740 1650 2840 1170 2780 1070 22 555 1420 2610 1280 2930 12400 3810 3890 2480 1540 1560 1110 23 513 800 1870 1290 3660 5790 2880 14500 2000 2630 1160 1300 24 529 876 2630 1300 3010 4200 2670 10800 1410 2650 1160 1380 25 539 1230 4210 1290 2700 3160 2650 4880 1410 1720 1160 2200 26 508 861 3570 1290 2650 2580 2650 2980 1330 1440 1160 2550 27 510 544 3000 1280 2680 2570 2630 3060 1310 1430 1160 2530 28 515 572 2920 1290 2780 2580 2610 3720 1370 1660 1410 1660 29 1360 584 2940 1280 --- 2420 2600 3570 1700 1370 670 920 30 1020 953 3030 1990 --- 2560 2430 2970 1800 1750 676 640 31 582 --- 3040 2740 --- 2640 --- 1650 --- 1330 681 --- TOTAL 24740 44551 69336 58189 51041 132770 103490 102800 74270 87950 61847 42668 MEAN 798 1485 2237 1877 1823 4283 3450 3316 2476 2837 1995 1422 MAX 2310 2850 4210 3060 3660 17000 7600 14500 4660 9060 3870 2550 MIN 508 514 561 689 699 2420 2430 1250 1190 1110 670 640 CFSM 0.68 1.27 1.91 1.60 1.56 3.66 2.95 2.83 2.12 2.42 1.71 1.22 IN. 0.79 1.42 2.20 1.85 1.62 4.22 3.29 3.27 2.36 2.80 1.97 1.36 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 2003, BY WATER YEAR (WY) MEAN 814 884 1351 2101 1976 2348 2084 1644 1084 1001 735 879 MAX 1175 1544 2237 3948 5071 4283 4972 3316 2476 2837 1995 1422 (WY) 1998 1998 2003 1998 1998 2003 1998 2003 2003 2003 2003 2003 MIN 350 339 527 1146 527 892 889 660 378 257 264 314 (WY) 2001 2002 2002 2001 2001 1999 2002 2001 2002 2002 2002 1999 SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 1997 - 2003 ANNUAL TOTAL 350712 853652 ANNUAL MEAN 961 2339 1406 HIGHEST ANNUAL MEAN 2468 1998 LOWEST ANNUAL MEAN 688 2002 HIGHEST DAILY MEAN 4210 Dec 25 17000 Mar 21 17000 Mar 21 2003 LOWEST DAILY MEAN 240 Sep 10 508 Oct 26 216 Dec 4 2001 ANNUAL SEVEN-DAY MINIMUM 248 Sep 8 523 Oct 9 248 Sep 8 2002 MAXIMUM PEAK FLOW 17900 Mar 20 0.00 Aug 28 1995 MAXIMUM PEAK STAGE 27.92 Mar 20 32.89 Aug 28 1995 ANNUAL RUNOFF (CFSM) 0.821 2.00 1.20 ANNUAL RUNOFF (INCHES) 11.15 27.14 16.33 10 PERCENT EXCEEDS 2490 3640 3170 50 PERCENT EXCEEDS 579 2200 834 90 PERCENT EXCEEDS 259 736 354 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02166501 LAKE GREENWOOD TAILRACE NR CHAPPELLS, SC SOURCE AGENCY USGS STATE 45 COUNTY 071 LATITUDE 341010 LONGITUDE 0815410 NAD27 DRAINAGE AREA 1170.* CONTRIBUTING DRAINAGE AREA DATUM 370. NGVD29 Date Processed: 2005-04-11 11:54 By mishealy APPROVED DD #18, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2003 TO SEPTEMBER 2004 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 585 837 904 1120 849 1500 957 1060 498 2690 2360 563 2 588 785 1180 1160 783 1340 932 1310 527 1860 1950 569 3 597 773 1370 1280 822 972 915 2160 513 1300 1570 796 4 602 723 1160 1340 782 853 893 1430 747 1430 1540 1010 5 589 689 1260 1780 1100 888 726 728 540 1620 1210 1120 6 1030 699 1190 1860 3020 887 487 716 494 1250 957 1160 7 1250 940 1130 1890 4750 883 585 849 485 1250 578 3030 8 1170 799 1130 1320 4680 876 482 610 523 1240 591 4650 9 780 854 1140 2000 4420 883 609 598 814 1080 595 13100 10 659 1080 1130 2120 2430 880 456 815 787 836 593 13000 11 661 1010 1260 1510 1330 887 439 674 778 830 580 7650 12 657 864 2520 1180 3340 879 800 742 832 833 928 4220 13 1040 854 2390 1140 2670 732 966 874 1030 833 1270 4180 14 1130 870 3360 1120 1480 613 989 1010 805 903 1200 4180 15 1140 882 2410 1110 2930 797 1510 1000 675 919 1110 6480 16 815 876 1760 1120 4480 899 1270 716 1080 923 895 4450 17 690 849 2550 1120 3370 888 1260 592 1280 835 746 3230 18 679 650 1890 1320 1630 738 1070 804 1290 664 716 2400 19 683 1020 1310 1910 1170 695 898 846 1180 907 539 2360 20 612 2070 1300 1560 919 610 849 1190 1100 1240 528 2530 21 586 3350 1300 1410 909 612 803 1200 813 1210 530 2580 22 573 2280 1300 1230 1290 716 694 979 1100 947 535 1910 23 770 1280 1300 1230 1480 520 690 715 1350 656 549 1340 24 837 1280 1290 1230 1410 629 620 524 1300 628 575 1360 25 833 1190 1290 1320 1050 481 614 510 1100 628 577 1380 26 829 1050 1290 2180 906 624 845 776 985 626 577 1380 27 826 1040 1290 1840 1250 449 797 513 1260 607 573 3310 28 1050 1030 1180 1460 1600 430 585 608 2170 800 564 6030 29 1170 1060 1000 1350 1570 603 525 506 1240 825 562 13600 30 1170 1060 729 1720 --- 476 737 495 1840 1080 559 7840 31 1030 --- 978 1100 --- 819 --- 634 --- 1850 560 --- TOTAL 25631 32744 45291 45030 58420 24059 24003 26184 29136 33300 26617 121408 MEAN 827 1091 1461 1453 2014 776 800 845 971 1074 859 4047 MAX 1250 3350 3360 2180 4750 1500 1510 2160 2170 2690 2360 13600 MIN 573 650 729 1100 782 430 439 495 485 607 528 563 CFSM 0.71 0.93 1.25 1.24 1.72 0.66 0.68 0.72 0.83 0.92 0.73 3.46 IN. 0.81 1.04 1.44 1.43 1.86 0.76 0.76 0.83 0.93 1.06 0.85 3.86 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 2004, BY WATER YEAR (WY) MEAN 815 910 1365 2020 1981 2152 1923 1544 1070 1010 751 1275 MAX 1175 1544 2237 3948 5071 4283 4972 3316 2476 2837 1995 4047 (WY) 1998 1998 2003 1998 1998 2003 1998 2003 2003 2003 2003 2004 MIN 350 339 527 1146 527 776 800 660 378 257 264 314 (WY) 2001 2002 2002 2001 2001 2004 2004 2001 2002 2002 2002 1999 SUMMARY STATISTICS FOR 2003 CALENDAR YEAR FOR 2004 WATER YEAR WATER YEARS 1997 - 2004 ANNUAL TOTAL 818691 491823 ANNUAL MEAN 2243 1344 1398 HIGHEST ANNUAL MEAN 2468 1998 LOWEST ANNUAL MEAN 688 2002 HIGHEST DAILY MEAN 17000 Mar 21 13600 Sep 29 17000 Mar 21 2003 LOWEST DAILY MEAN 573 Oct 22 430 Mar 28 216 Dec 4 2001 ANNUAL SEVEN-DAY MINIMUM 646 Sep 29 527 Mar 24 248 Sep 8 2002 MAXIMUM PEAK FLOW 15800 Sep 9 0.00 Aug 28 1995 MAXIMUM PEAK STAGE 25.84 Sep 9 32.89 Aug 28 1995 ANNUAL RUNOFF (CFSM) 1.92 1.15 1.19 ANNUAL RUNOFF (INCHES) 26.03 15.64 16.24 10 PERCENT EXCEEDS 3590 2360 3060 50 PERCENT EXCEEDS 1820 982 876 90 PERCENT EXCEEDS 837 576 387