1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021584051 MAPLE CREEK NEAR DUNCAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 083 LATITUDE 345555 LONGITUDE 0821000 NAD27 DRAINAGE AREA 10.2* CONTRIBUTING DRAINAGE AREA DATUM 870. NGVD29 Date Processed: 2004-08-20 15:06 By mishealy APPROVED DD #3, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1993 TO SEPTEMBER 1994 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 5.7 6.6 7.7 7.9 11 15 15 10 8.1 12 12 10 2 5.7 6.5 7.5 8.0 11 41 14 10 8.0 10 10 12 3 5.6 6.5 7.5 11 11 22 13 14 8.2 9.4 13 15 4 5.6 6.7 11 25 10 16 13 14 8.3 14 16 11 5 5.6 24 23 11 12 14 13 11 45 27 11 10 6 5.8 8.2 9.6 10 11 13 16 11 36 17 10 15 7 6.0 6.8 8.6 10 10 13 13 10 13 12 9.7 16 8 5.8 6.8 8.2 13 11 12 12 12 11 12 9.6 20 9 5.7 6.8 8.0 9.5 11 12 12 10 11 10 9.2 12 10 5.5 6.9 9.1 9.2 13 16 12 10 89 13 9.1 11 11 5.6 6.7 8.1 9.3 34 12 12 9.8 22 11 9.1 11 12 6.0 7.0 7.5 32 23 12 12 9.6 14 12 9.2 11 13 5.8 6.6 7.7 15 17 11 21 9.5 13 10 10 11 14 5.9 6.6 14 12 15 12 12 9.5 11 10 18 10 15 6.0 8.5 14 11 13 12 30 14 12 9.5 15 9.4 16 6.0 7.1 10 9.7 12 11 42 10 14 9.7 65 9.4 17 6.0 7.1 9.1 17 12 11 19 9.3 15 9.2 235 12 18 5.9 7.1 8.9 18 11 11 16 9.4 12 8.7 30 11 19 6.1 7.2 8.3 13 11 11 15 9.1 9.7 9.4 20 9.6 20 6.0 7.0 12 11 11 11 14 9.3 9.7 10 16 9.3 21 6.1 6.8 14 11 13 11 13 9.2 9.5 8.7 22 9.1 22 7.7 7.1 9.8 10 11 12 13 8.9 9.4 57 15 9.0 23 6.8 7.3 9.2 10 31 11 12 8.9 9.4 29 13 9.2 24 6.2 7.2 8.6 10 24 13 12 8.9 13 23 13 15 25 6.3 6.9 8.2 10 16 29 12 8.6 12 16 12 16 26 6.3 6.8 7.9 9.8 14 14 12 8.6 16 12 12 10 27 6.3 43 8.1 9.9 12 20 15 8.5 41 12 11 9.3 28 6.0 11 8.6 32 12 34 13 8.0 21 25 11 8.9 29 6.1 8.8 11 16 --- 41 11 8.2 22 13 11 8.6 30 26 8.1 8.5 13 --- 20 11 8.1 13 11 11 8.5 31 7.6 --- 8.2 12 --- 17 --- 8.1 --- 11 10 --- TOTAL 207.7 269.7 301.9 406.3 403 510 450 305.5 536.3 453.6 677.9 339.3 MEAN 6.70 8.99 9.74 13.1 14.4 16.5 15.0 9.85 17.9 14.6 21.9 11.3 MAX 26 43 23 32 34 41 42 14 89 57 235 20 MIN 5.5 6.5 7.5 7.9 10 11 11 8.0 8.0 8.7 9.1 8.5 CFSM 0.66 0.88 0.95 1.28 1.41 1.61 1.47 0.97 1.75 1.43 2.14 1.11 IN. 0.76 0.98 1.10 1.48 1.47 1.86 1.64 1.11 1.96 1.65 2.47 1.24 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1994 - 1994, BY WATER YEAR (WY) MEAN 6.70 8.99 9.74 13.1 14.4 16.5 15.0 9.85 17.9 14.6 21.9 11.3 MAX 6.70 8.99 9.74 13.1 14.4 16.5 15.0 9.85 17.9 14.6 21.9 11.3 (WY) 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 MIN 6.70 8.99 9.74 13.1 14.4 16.5 15.0 9.85 17.9 14.6 21.9 11.3 (WY) 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 SUMMARY STATISTICS FOR 1994 WATER YEAR ANNUAL TOTAL 4861.2 ANNUAL MEAN 13.3 HIGHEST DAILY MEAN 235 Aug 17 LOWEST DAILY MEAN 5.5 Oct 10 ANNUAL SEVEN-DAY MINIMUM 5.7 Oct 1 MAXIMUM PEAK FLOW 0.00 Aug 17 MAXIMUM PEAK STAGE 5.83 Aug 17 ANNUAL RUNOFF (CFSM) 1.31 ANNUAL RUNOFF (INCHES) 17.73 10 PERCENT EXCEEDS 20 50 PERCENT EXCEEDS 11 90 PERCENT EXCEEDS 6.8 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021584051 MAPLE CREEK NEAR DUNCAN, SC SOURCE AGENCY USGS STATE 45 COUNTY 083 LATITUDE 345555 LONGITUDE 0821000 NAD27 DRAINAGE AREA 10.2* CONTRIBUTING DRAINAGE AREA DATUM 870. NGVD29 Date Processed: 2004-08-20 15:06 By mishealy APPROVED DD #3, , PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1994 TO SEPTEMBER 1995 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 8.3 12 12 --- --- --- --- --- --- --- --- --- 2 8.7 11 12 --- --- --- --- --- --- --- --- --- 3 15 10 12 --- --- --- --- --- --- --- --- --- 4 9.1 10 26 --- --- --- --- --- --- --- --- --- 5 8.8 11 31 --- --- --- --- --- --- --- --- --- 6 8.8 11 16 --- --- --- --- --- --- --- --- --- 7 8.6 10 13 --- --- --- --- --- --- --- --- --- 8 8.5 11 13 --- --- --- --- --- --- --- --- --- 9 8.8 11 12 --- --- --- --- --- --- --- --- --- 10 12 11 13 --- --- --- --- --- --- --- --- --- 11 9.3 11 15 --- --- --- --- --- --- --- --- --- 12 15 10 12 --- --- --- --- --- --- --- --- --- 13 46 10 12 --- --- --- --- --- --- --- --- --- 14 18 10 11 --- --- --- --- --- --- --- --- --- 15 13 10 11 --- --- --- --- --- --- --- --- --- 16 11 11 11 --- --- --- --- --- --- --- --- --- 17 11 11 11 --- --- --- --- --- --- --- --- --- 18 10 10 11 --- --- --- --- --- --- --- --- --- 19 10 10 11 --- --- --- --- --- --- --- --- --- 20 11 10 10 --- --- --- --- --- --- --- --- --- 21 10 24 10 --- --- --- --- --- --- --- --- --- 22 12 12 83 --- --- --- --- --- --- --- --- --- 23 14 11 58 --- --- --- --- --- --- --- --- --- 24 11 10 22 --- --- --- --- --- --- --- --- --- 25 11 10 17 --- --- --- --- --- --- --- --- --- 26 10 12 15 --- --- --- --- --- --- --- --- --- 27 11 24 14 --- --- --- --- --- --- --- --- --- 28 11 20 14 --- --- --- --- --- --- --- --- --- 29 11 14 13 --- --- --- --- --- --- --- --- --- 30 11 13 13 --- --- --- --- --- --- --- --- --- 31 12 --- 15 --- --- --- --- --- --- --- --- --- TOTAL 374.9 361 549 --- --- --- --- --- --- --- --- --- MEAN 12.1 12.0 17.7 --- --- --- --- --- --- --- --- --- MAX 46 24 83 --- --- --- --- --- --- --- --- --- MIN 8.3 10 10 --- --- --- --- --- --- --- --- --- CFSM 1.19 1.18 1.74 --- --- --- --- --- --- --- --- --- IN. 1.37 1.32 2.00 --- --- --- --- --- --- --- --- --- STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1994 - 1995, BY WATER YEAR (WY) MEAN 9.40 10.5 13.7 13.1 14.4 16.5 15.0 9.85 17.9 14.6 21.9 11.3 MAX 12.1 12.0 17.7 13.1 14.4 16.5 15.0 9.85 17.9 14.6 21.9 11.3 (WY) 1995 1995 1995 1994 1994 1994 1994 1994 1994 1994 1994 1994 MIN 6.70 8.99 9.74 13.1 14.4 16.5 15.0 9.85 17.9 14.6 21.9 11.3 (WY) 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 1994 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR WATER YEARS 1994 - 1995 ANNUAL MEAN 13.3 HIGHEST ANNUAL MEAN 13.3 1994 LOWEST ANNUAL MEAN 13.3 1994 HIGHEST DAILY MEAN 235 Aug 17 1994 LOWEST DAILY MEAN 5.5 Oct 10 1993 ANNUAL SEVEN-DAY MINIMUM 5.7 Oct 1 1993 MAXIMUM PEAK FLOW 0.00 Aug 17 1994 MAXIMUM PEAK STAGE 5.83 Aug 17 1994 ANNUAL RUNOFF (CFSM) 1.31 ANNUAL RUNOFF (INCHES) 17.74 10 PERCENT EXCEEDS 20 50 PERCENT EXCEEDS 11 90 PERCENT EXCEEDS 7.1