1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021603257 BRUSHY CREEK NEAR PELHAM, SC SOURCE AGENCY USGS STATE 45 COUNTY 045 LATITUDE 345147 LONGITUDE 0821503 NAD27 DRAINAGE AREA 13.8* CONTRIBUTING DRAINAGE AREA DATUM 782 NGVD29 Date Processed: 2004-08-20 15:07 By mishealy APPROVED DD #13, , published Discharge, cubic feet per second WATER YEAR OCTOBER 1995 TO SEPTEMBER 1996 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 13 17 19 20 23 18 50 22 22 15 27 12 2 13 81 18 22 272 19 27 20 21 15 83 13 3 13 25 18 19 112 19 24 19 21 14 107 13 4 110 19 18 18 32 18 23 18 25 14 38 41 5 125 18 18 21 27 19 22 17 22 14 25 32 6 50 18 21 25 25 206 22 17 21 15 22 14 7 25 142 29 36 24 263 21 17 21 14 22 12 8 20 40 19 24 25 44 21 17 27 66 19 12 9 18 26 38 22 22 29 21 16 25 29 16 10 10 17 23 21 24 21 26 21 16 20 20 14 9.7 11 16 215 20 20 21 24 20 16 19 18 15 12 12 16 52 19 23 20 24 20 15 18 18 120 17 13 20 32 19 20 20 22 22 15 21 18 50 9.8 14 100 29 19 20 20 21 21 15 21 17 29 9.4 15 50 24 19 20 20 23 20 16 58 55 18 9.3 16 30 22 18 19 20 89 19 15 22 20 16 73 17 25 22 18 18 20 72 19 15 21 18 14 118 18 20 21 24 24 20 29 18 15 21 17 14 18 19 19 21 36 110 20 131 22 14 50 16 13 15 20 18 20 23 29 90 35 48 14 24 19 12 13 21 18 20 20 24 25 28 32 14 19 23 12 19 22 17 20 20 22 22 26 22 14 17 16 12 16 23 16 20 19 21 20 25 20 14 17 16 11 12 24 16 27 19 29 20 25 19 17 16 16 17 12 25 16 21 18 20 19 28 18 250 16 32 20 12 26 16 20 18 20 19 25 33 31 16 23 55 11 27 19 19 18 414 19 26 21 29 16 20 40 11 28 20 20 18 37 20 55 19 56 15 20 35 22 29 15 20 17 26 19 29 20 24 15 16 15 14 30 15 19 17 25 --- 26 56 23 15 17 13 16 31 19 --- 18 25 --- 49 --- 22 --- 19 12 --- TOTAL 905 1073 636 1197 1037 1473 741 823 662 650 916 608.2 MEAN 29.2 35.8 20.5 38.6 35.8 47.5 24.7 26.5 22.1 21.0 29.5 20.3 MAX 125 215 38 414 272 263 56 250 58 66 120 118 MIN 13 17 17 18 19 18 18 14 15 14 11 9.3 CFSM 2.12 2.59 1.49 2.80 2.59 3.44 1.79 1.92 1.60 1.52 2.14 1.47 IN. 2.44 2.89 1.71 3.23 2.80 3.97 2.00 2.22 1.78 1.75 2.47 1.64 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1996 - 1996, BY WATER YEAR (WY) MEAN 29.2 35.8 20.5 38.6 35.8 47.5 24.7 26.5 22.1 21.0 29.5 20.3 MAX 29.2 35.8 20.5 38.6 35.8 47.5 24.7 26.5 22.1 21.0 29.5 20.3 (WY) 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 MIN 29.2 35.8 20.5 38.6 35.8 47.5 24.7 26.5 22.1 21.0 29.5 20.3 (WY) 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 SUMMARY STATISTICS FOR 1996 WATER YEAR ANNUAL TOTAL 10721.2 ANNUAL MEAN 29.3 HIGHEST DAILY MEAN 414 Jan 27 LOWEST DAILY MEAN 9.3 Sep 15 ANNUAL SEVEN-DAY MINIMUM 11 Sep 9 MAXIMUM PEAK FLOW 1150 Jan 27 MAXIMUM PEAK STAGE 8.60 Jan 27 ANNUAL RUNOFF (CFSM) 2.12 ANNUAL RUNOFF (INCHES) 28.90 10 PERCENT EXCEEDS 48 50 PERCENT EXCEEDS 20 90 PERCENT EXCEEDS 14 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021603257 BRUSHY CREEK NEAR PELHAM, SC SOURCE AGENCY USGS STATE 45 COUNTY 045 LATITUDE 345147 LONGITUDE 0821503 NAD27 DRAINAGE AREA 13.8* CONTRIBUTING DRAINAGE AREA DATUM 782 NGVD29 Date Processed: 2004-08-20 15:07 By mishealy APPROVED DD #13, , 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 14 11 300 14 15 124 17 23 62 12 7.7 4.1 2 12 19 37 13 15 38 18 20 22 11 6.9 4.3 3 11 11 22 13 15 36 17 234 15 10 6.5 4.7 4 11 11 19 13 16 24 16 34 14 9.8 6.3 4.2 5 11 12 19 22 26 30 15 23 14 11 6.0 4.1 6 11 14 18 14 16 40 45 20 13 10 5.5 4.3 7 13 11 20 14 15 23 28 19 13 10 5.4 4.2 8 18 88 16 15 26 22 20 17 13 10 5.3 4.6 9 14 18 15 135 17 22 20 16 13 16 5.3 5.3 10 11 15 15 29 17 20 18 15 12 26 5.4 25 11 11 14 14 21 16 20 19 14 12 64 5.2 32 12 11 14 35 17 15 20 40 14 69 14 4.9 9.2 13 10 13 31 16 76 21 20 14 118 11 23 8.5 14 10 13 17 16 78 36 19 14 51 11 14 7.5 15 10 13 15 15 98 19 19 13 42 10 12 7.7 16 10 13 15 46 30 18 19 13 15 13 10 6.6 17 10 13 18 21 23 18 19 13 14 11 5.7 6.5 18 10 20 16 20 20 18 19 13 13 9.7 5.2 7.2 19 10 18 23 18 18 27 18 13 12 9.0 5.1 6.1 20 9.9 14 15 18 17 21 17 13 12 9.8 4.9 5.2 21 10 43 14 16 26 18 17 12 12 9.9 5.0 5.3 22 10 21 14 15 22 16 67 12 22 9.8 4.9 5.4 23 11 14 14 16 20 16 47 12 13 198 4.8 5.5 24 10 14 15 104 17 15 25 12 11 305 5.0 58 25 11 16 14 77 16 17 19 19 10 99 5.7 81 26 10 54 13 26 17 21 18 16 10 16 5.7 14 27 12 15 14 24 38 18 41 13 39 11 4.8 9.6 28 11 14 14 27 401 21 211 26 18 9.6 4.2 46 29 11 13 16 18 --- 39 89 14 12 9.1 3.9 17 30 12 21 14 17 --- 19 31 14 11 13 3.9 11 31 11 --- 14 16 --- 18 --- 23 --- 20 4.0 --- TOTAL 346.9 580 836 846 1126 815 988 728 707 988.7 202.2 414.1 MEAN 11.2 19.3 27.0 27.3 40.2 26.3 32.9 23.5 23.6 31.9 6.52 13.8 MAX 18 88 300 135 401 124 211 234 118 305 23 81 MIN 9.9 11 13 13 15 15 15 12 10 9.0 3.9 4.1 CFSM 0.81 1.40 1.95 1.98 2.91 1.91 2.39 1.70 1.71 2.31 0.47 1.00 IN. 0.94 1.56 2.25 2.28 3.04 2.20 2.66 1.96 1.91 2.67 0.55 1.12 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1996 - 1997, BY WATER YEAR (WY) MEAN 20.2 27.5 23.7 33.0 37.9 36.9 28.8 25.0 22.8 26.4 18.0 17.0 MAX 29.2 35.8 27.0 38.6 40.2 47.5 32.9 26.5 23.6 31.9 29.5 20.3 (WY) 1996 1996 1997 1996 1997 1996 1997 1996 1997 1997 1996 1996 MIN 11.2 19.3 20.5 27.3 35.8 26.3 24.7 23.5 22.1 21.0 6.52 13.8 (WY) 1997 1997 1996 1997 1996 1997 1996 1997 1996 1996 1997 1997 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1996 - 1997 ANNUAL TOTAL 8577.9 ANNUAL MEAN 23.5 26.4 HIGHEST ANNUAL MEAN 29.3 1996 LOWEST ANNUAL MEAN 23.5 1997 HIGHEST DAILY MEAN 401 Feb 28 414 Jan 27 1996 LOWEST DAILY MEAN 3.9 Aug 29 3.9 Aug 29 1997 ANNUAL SEVEN-DAY MINIMUM 4.2 Aug 28 4.2 Aug 28 1997 MAXIMUM PEAK FLOW 1150 Jul 24 1150 Jan 27 1996 MAXIMUM PEAK STAGE 8.72 Jul 24 8.72 Jul 24 1997 ANNUAL RUNOFF (CFSM) 1.70 1.91 ANNUAL RUNOFF (INCHES) 23.12 25.99 10 PERCENT EXCEEDS 38 40 50 PERCENT EXCEEDS 15 18 90 PERCENT EXCEEDS 6.1 10