1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1983 TO SEPTEMBER 1984 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 --- --- --- 7.9 9.4 15 12 14 22 22 14 5.2 2 --- --- --- 7.3 8.8 13 11 13 18 25 17 4.9 3 --- --- --- 6.5 8.4 12 26 21 15 12 19 4.7 4 --- --- --- 7.0 9.6 12 43 78 13 9.4 12 4.6 5 --- --- --- 6.9 8.6 15 58 21 12 7.9 9.9 4.7 6 --- --- --- 7.1 7.8 41 20 15 11 7.3 8.4 4.6 7 --- --- --- 7.0 7.2 28 15 176 11 6.5 7.3 4.5 8 --- --- --- 6.3 7.2 16 12 33 10 6.3 6.6 4.4 9 --- --- --- 6.2 7.2 13 16 20 9.5 6.0 6.4 4.5 10 --- --- --- 9.5 7.1 12 15 16 9.1 5.8 6.2 4.8 11 --- --- --- 15 6.9 11 12 14 8.0 5.7 6.8 4.8 12 --- --- --- 10 7.2 11 11 12 8.2 5.5 9.1 4.4 13 --- --- --- 8.0 74 34 9.9 11 8.3 6.2 19 4.3 14 --- --- --- 7.5 83 18 10 11 9.9 6.1 8.5 4.2 15 --- --- --- 7.2 20 13 23 9.2 8.1 5.5 6.4 4.2 16 --- --- 7.2 8.4 14 12 11 8.6 7.4 4.7 5.5 4.0 17 --- --- 6.9 7.9 12 11 9.9 8.2 7.0 5.7 5.3 4.0 18 --- --- 6.7 11 11 11 9.5 7.2 6.5 8.8 5.5 3.9 19 --- --- 7.1 23 10 11 8.5 6.8 6.2 22 7.9 3.9 20 --- --- 6.6 11 10 18 35 6.6 6.0 26 50 4.0 21 --- --- 7.7 8.7 9.6 40 17 6.0 6.0 13 9.9 3.9 22 --- --- 12 8.0 11 15 14 6.3 9.0 10 11 3.9 23 --- --- 9.6 8.0 29 12 76 7.1 10 7.0 7.7 3.9 24 --- --- 7.1 13 14 11 21 9.7 7.6 7.0 23 4.0 25 --- --- 6.6 19 11 76 13 6.8 6.9 7.2 9.1 3.9 26 --- --- 6.2 12 9.5 23 11 31 6.4 10 7.1 3.9 27 --- --- 6.4 27 101 15 13 40 6.3 18 7.0 3.8 28 --- --- 11 16 46 39 43 108 7.8 40 6.8 4.0 29 --- --- 30 11 20 36 18 162 23 75 5.6 5.3 30 --- --- 12 10 --- 17 30 152 26 27 5.8 6.1 31 --- --- 8.3 9.5 --- 13 --- 33 --- 28 5.5 --- TOTAL --- --- --- 322.9 580.5 624 623.8 1063.5 315.2 446.6 329.3 131.3 MEAN --- --- --- 10.4 20.0 20.1 20.8 34.3 10.5 14.4 10.6 4.38 MAX --- --- --- 27 101 76 76 176 26 75 50 6.1 MIN --- --- --- 6.2 6.9 11 8.5 6.0 6.0 4.7 5.3 3.8 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1984 TO SEPTEMBER 1985 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 12 4.6 4.7 4.4 6.1 6.5 4.8 1.9 3.0 3.5 3.1 3.6 2 5.0 4.3 5.2 4.3 12 7.3 5.0 2.1 2.6 2.5 5.2 3.5 3 4.1 7.6 8.3 23 7.4 6.5 5.1 3.6 2.7 2.3 3.1 2.7 4 4.1 5.3 5.9 25 6.0 6.8 8.1 2.7 2.4 2.2 2.4 2.1 5 4.1 4.8 11 11 56 6.3 5.1 1.9 2.2 2.6 18 2.1 6 4.2 4.8 9.2 6.4 99 6.2 11 1.8 2.1 4.6 1.3 2.1 7 4.0 4.5 6.3 6.1 18 6.2 6.3 1.7 6.5 3.1 1.2 2.1 8 4.0 4.5 5.7 5.5 12 6.1 4.7 2.3 15 2.6 2.0 2.1 9 3.8 4.7 5.3 5.0 10 6.4 4.7 2.7 3.8 2.2 2.7 1.7 10 3.9 4.8 5.2 5.2 8.9 6.5 4.9 2.9 1.6 2.1 2.8 1.1 11 3.9 5.7 5.3 5.6 8.4 5.7 4.8 2.9 2.1 1.9 2.4 1.2 12 3.9 5.1 5.2 5.3 10 5.3 4.2 2.8 3.8 2.1 2.1 1.2 13 3.9 4.8 5.2 5.3 8.3 5.0 3.8 2.6 2.8 2.1 2.2 1.2 14 3.8 4.7 5.1 5.2 7.9 4.9 4.0 2.5 2.2 2.2 1.8 1.5 15 3.8 4.8 5.0 5.4 7.5 5.6 4.0 2.7 7.6 1.9 1.8 1.8 16 3.9 4.9 5.0 5.2 7.5 6.4 4.5 2.6 24 1.9 1.9 2.0 17 3.8 4.9 5.1 6.1 7.4 10 4.3 2.5 9.1 4.7 1.9 2.0 18 4.6 4.9 5.0 6.0 6.8 6.8 5.1 2.4 5.9 2.6 2.0 1.9 19 4.3 5.1 4.9 5.6 6.9 5.8 3.9 2.4 2.0 2.1 1.9 1.9 20 4.0 5.0 4.9 5.2 9.5 5.6 3.5 2.3 1.7 1.9 1.8 1.9 21 4.1 4.9 4.7 4.5 8.1 7.0 3.4 2.4 2.2 1.9 1.6 1.9 22 4.2 4.6 4.7 4.8 7.0 9.1 3.1 4.7 2.3 1.9 1.6 2.0 23 4.2 4.7 4.6 5.1 6.9 6.2 3.0 6.2 2.2 2.5 1.5 2.0 24 4.1 4.8 4.5 5.4 6.7 5.9 3.2 2.6 2.1 2.2 1.9 2.1 25 4.1 4.8 4.5 5.5 6.6 21 3.2 2.6 2.1 3.5 3.3 2.2 26 3.9 4.8 4.4 5.2 7.8 5.9 2.3 2.6 2.2 3.9 3.8 2.2 27 3.9 4.9 4.4 4.9 12 5.3 1.8 2.5 2.4 2.8 2.5 1.9 28 4.5 7.5 4.4 5.3 8.0 4.6 1.8 2.4 2.2 2.7 2.1 1.9 29 6.8 6.1 4.5 5.2 --- 4.6 1.9 3.9 2.6 3.8 2.3 2.0 30 5.2 4.6 4.5 5.1 --- 5.0 2.0 5.9 6.4 3.3 3.3 2.0 31 4.9 --- 4.3 6.7 --- 4.8 --- 3.6 --- 2.7 4.4 --- TOTAL 139.0 151.5 167.0 208.5 378.7 205.3 127.5 88.7 129.8 82.3 89.9 59.9 MEAN 4.48 5.05 5.39 6.73 13.5 6.62 4.25 2.86 4.33 2.65 2.90 2.00 MAX 12 7.6 11 25 99 21 11 6.2 24 4.7 18 3.6 MIN 3.8 4.3 4.3 4.3 6.0 4.6 1.8 1.7 1.6 1.9 1.2 1.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1985 TO SEPTEMBER 1986 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 2.1 8.1 10 5.5 4.8 4.5 5.6 3.1 2.3 0.90 0.83 3.7 2 6.0 4.8 7.3 5.3 4.8 4.7 5.1 3.0 2.2 0.80 0.76 2.6 3 3.9 4.1 5.6 5.5 4.8 6.6 5.1 2.9 2.3 1.2 0.70 2.3 4 3.2 5.5 5.4 5.6 4.8 4.7 5.1 2.8 2.6 1.1 3.8 2.2 5 3.9 6.4 5.7 5.6 7.2 5.0 5.1 2.8 2.6 0.98 4.5 2.3 6 3.2 2.7 6.3 5.3 14 4.8 5.1 2.7 2.3 0.93 2.7 3.1 7 3.2 2.6 5.3 5.0 10 4.7 5.1 2.8 2.2 0.90 7.1 3.1 8 3.0 2.8 5.1 4.8 6.9 4.7 5.3 2.9 2.2 0.91 2.3 2.9 9 3.0 3.0 4.8 4.7 5.9 4.8 6.0 3.0 1.9 0.93 1.7 3.0 10 2.9 3.1 4.8 5.7 16 5.6 5.2 2.8 8.9 0.95 1.9 3.0 11 3.0 3.2 5.1 8.1 33 5.2 5.1 2.7 60 1.0 1.4 2.1 12 2.9 5.0 12 5.4 10 5.4 4.9 3.4 4.9 1.1 1.2 1.7 13 2.8 6.1 45 4.8 7.7 8.8 4.7 17 3.2 1.2 1.9 1.8 14 2.2 4.3 12 4.6 6.9 26 4.2 5.1 2.5 1.2 17 1.6 15 1.9 4.0 8.3 4.5 6.8 12 3.7 4.2 2.0 1.1 7.4 1.7 16 1.8 3.9 7.1 4.5 6.4 7.8 3.6 3.6 2.2 1.2 2.6 2.3 17 1.8 4.0 6.7 4.7 6.2 6.6 3.4 3.2 2.2 1.3 1.4 2.2 18 1.8 3.8 6.3 4.6 6.2 6.7 4.2 2.7 2.0 1.2 1.4 2.7 19 2.2 3.9 6.0 5.3 6.2 11 4.2 2.9 1.5 1.1 2.4 2.7 20 2.6 4.4 5.9 4.8 6.0 17 4.0 2.8 4.8 0.97 44 2.3 21 2.6 7.5 5.8 4.7 8.0 11 4.1 2.3 1.9 1.1 47 1.3 22 3.0 153 5.7 5.0 5.8 7.7 4.0 2.5 1.5 1.3 5.4 1.3 23 3.3 12 5.8 5.7 5.0 6.9 3.9 2.5 1.5 1.2 3.4 1.3 24 5.5 7.0 5.6 5.1 6.6 6.6 4.0 2.5 1.4 1.1 2.5 1.6 25 2.1 5.8 5.3 5.2 5.2 6.3 3.9 2.3 2.3 1.7 2.1 2.5 26 2.1 5.5 4.8 6.3 5.0 6.1 3.8 2.4 1.7 1.8 2.1 2.1 27 2.6 5.0 5.2 5.8 7.6 6.2 3.2 1.7 1.3 1.2 1.8 2.7 28 3.4 4.7 5.5 5.0 5.3 5.9 3.0 1.7 1.2 1.1 2.4 3.2 29 3.3 6.8 5.8 5.3 --- 5.7 3.0 2.4 1.1 1.0 3.6 3.2 30 2.7 14 5.1 5.5 --- 5.7 2.5 2.0 1.0 0.96 4.3 3.3 31 8.1 --- 5.3 5.0 --- 5.5 --- 2.4 --- 0.89 5.2 --- TOTAL 96.1 307.0 234.6 162.9 223.1 230.2 130.1 101.1 129.7 34.32 186.79 71.8 MEAN 3.10 10.2 7.57 5.25 7.97 7.43 4.34 3.26 4.32 1.11 6.03 2.39 MAX 8.1 153 45 8.1 33 26 6.0 17 60 1.8 47 3.7 MIN 1.8 2.6 4.8 4.5 4.8 4.5 2.5 1.7 1.0 0.80 0.70 1.3 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1986 TO SEPTEMBER 1987 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 3.7 5.2 11 84 11 226 19 7.6 2.5 3.1 2.2 20 2 4.4 4.8 11 36 13 48 18 4.6 2.2 4.6 3.9 4.1 3 4.7 4.6 7.5 17 13 26 17 4.4 2.1 7.9 3.1 3.6 4 3.9 4.5 5.7 10 11 21 17 4.9 4.6 4.9 2.7 3.4 5 3.8 4.5 5.2 12 11 19 15 11 6.9 4.2 2.4 3.8 6 4.0 4.7 5.1 11 17 18 14 6.0 3.9 4.2 2.5 20 7 4.4 6.1 5.4 8.9 47 17 14 4.9 3.0 4.0 2.5 14 8 4.6 6.9 5.3 9.0 25 49 13 4.0 3.0 3.7 2.7 8.3 9 7.4 7.9 5.3 9.0 15 30 12 3.6 2.8 3.3 2.8 5.1 10 12 9.1 6.0 9.0 12 20 12 3.7 2.8 3.1 2.8 3.4 11 6.2 11 7.8 8.9 12 17 11 5.1 2.7 4.8 9.5 3.7 12 4.7 11 15 8.6 12 16 10 7.8 3.7 14 4.5 34 13 5.1 12 9.7 8.3 10 16 9.6 12 3.5 6.2 3.4 32 14 5.3 12 5.9 8.0 10 16 8.5 20 11 3.9 3.1 7.5 15 4.4 15 5.4 8.0 10 14 13 12 6.2 3.2 2.8 5.1 16 3.9 15 5.3 9.2 55 13 14 7.0 4.2 3.0 3.5 4.2 17 4.1 19 5.2 16 27 12 11 5.1 6.9 3.0 3.2 3.9 18 4.0 15 5.4 34 15 12 10 4.6 5.1 3.0 2.7 3.6 19 3.7 12 5.4 122 13 31 11 4.5 14 2.9 2.7 3.9 20 3.9 35 5.3 43 11 19 9.2 4.5 6.1 2.9 2.6 4.6 21 4.2 11 5.4 20 11 14 8.4 4.6 4.3 2.0 2.5 3.9 22 4.1 5.2 5.5 192 13 12 8.2 4.7 3.7 2.5 2.4 3.5 23 4.1 5.1 7.2 58 15 14 7.4 4.3 3.0 2.4 2.3 3.3 24 4.2 5.1 25 22 11 12 6.8 3.8 2.8 2.4 2.3 3.2 25 5.0 5.9 9.0 23 10 62 6.6 3.5 3.6 2.6 2.5 3.2 26 5.1 11 6.8 26 10 42 6.9 3.9 6.3 2.6 2.4 3.1 27 4.8 13 6.3 19 36 21 6.3 4.4 4.5 2.4 2.4 3.1 28 4.6 14 6.4 16 108 20 6.0 4.7 3.5 2.4 2.3 3.1 29 4.5 16 6.5 14 --- 18 5.7 3.7 2.9 2.4 2.3 3.1 30 4.4 36 10 13 --- 40 5.8 3.2 2.6 2.4 3.0 5.2 31 4.8 --- 13 12 --- 32 --- 2.9 --- 2.3 4.9 --- TOTAL 148.0 337.6 239.0 886.9 564 927 326.4 181.0 134.4 116.3 94.9 222.9 MEAN 4.77 11.3 7.71 28.6 20.1 29.9 10.9 5.84 4.48 3.75 3.06 7.43 MAX 12 36 25 192 108 226 19 20 14 14 9.5 34 MIN 3.7 4.5 5.1 8.0 10 12 5.7 2.9 2.1 2.0 2.2 3.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1987 TO SEPTEMBER 1988 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4.5 4.0 3.4 3.5 4.5 3.3 3.5 3.0 0.89 5.8 0.82 1.4 2 3.9 3.9 3.4 8.2 3.5 3.2 3.6 3.4 0.80 3.2 2.3 1.6 3 3.8 3.9 3.3 8.7 3.8 3.1 3.5 3.2 0.77 2.6 3.8 1.7 4 3.7 4.0 3.3 8.2 4.4 6.0 3.3 2.9 0.93 2.4 1.6 1.6 5 3.6 4.0 3.2 4.9 4.9 4.9 3.3 3.6 0.89 2.1 1.7 2.7 6 3.4 4.0 3.2 4.2 4.1 4.3 6.6 2.7 13 1.6 1.3 1.8 7 3.3 4.1 3.2 4.2 3.5 3.4 6.6 2.3 1.6 4.1 1.4 1.8 8 3.2 4.1 3.3 4.6 3.3 3.3 3.8 2.2 3.9 1.6 1.1 2.0 9 3.2 4.2 3.3 4.4 3.3 4.0 3.2 1.8 8.9 1.4 1.1 18 10 3.2 8.6 3.4 5.0 3.2 27 3.1 1.9 18 1.2 0.95 5.6 11 3.0 4.7 3.4 5.2 3.1 7.3 4.1 5.4 3.3 1.2 2.4 2.8 12 3.0 4.2 3.3 4.9 3.6 5.2 9.5 3.0 2.1 1.7 2.3 1.7 13 2.9 4.0 3.2 5.0 3.5 4.7 6.3 2.2 1.7 0.87 1.3 1.5 14 2.8 4.0 3.3 5.1 3.4 4.4 4.5 2.8 1.4 1.3 1.2 2.8 15 2.7 3.8 3.8 4.4 3.6 4.2 3.9 2.2 1.4 0.98 1.3 1.5 16 2.6 3.8 4.2 4.2 3.9 4.1 3.6 1.9 1.8 1.0 1.0 1.5 17 2.5 12 3.6 4.5 3.5 4.0 3.2 1.9 1.8 1.0 0.82 1.9 18 2.5 9.2 3.4 6.3 3.4 4.4 4.2 2.1 1.1 0.79 0.82 3.1 19 2.5 5.1 3.4 5.4 12 5.5 41 1.8 2.4 0.73 3.0 2.2 20 2.3 4.2 3.4 8.0 7.2 4.6 25 1.7 1.1 0.69 0.72 1.5 21 2.3 3.9 3.7 5.0 5.8 3.9 5.2 1.5 0.97 0.61 0.58 1.4 22 2.3 4.2 5.0 17 4.4 3.8 3.5 1.3 0.97 0.65 0.59 1.2 23 2.9 3.7 4.1 6.0 4.2 3.7 11 1.4 0.96 1.4 0.81 1.3 24 3.7 3.3 3.5 4.8 3.8 3.8 15 1.7 0.87 1.1 1.0 1.1 25 3.6 3.6 3.6 9.0 3.4 3.8 6.9 2.5 0.98 0.73 0.76 2.1 26 2.9 4.0 3.5 8.0 3.4 4.6 9.6 2.2 1.2 0.72 0.58 4.2 27 3.9 5.4 3.5 5.5 3.4 4.4 5.9 1.4 32 0.76 0.55 2.5 28 4.0 8.4 4.0 5.5 3.3 3.7 3.9 1.3 4.8 0.97 1.3 1.8 29 4.0 5.3 4.8 5.0 3.2 3.6 3.0 1.3 2.2 1.6 4.4 3.3 30 4.0 3.8 3.8 4.8 --- 3.6 2.9 1.3 3.6 1.5 2.9 1.7 31 4.0 --- 3.5 5.5 --- 3.5 --- 1.2 --- 0.84 2.1 --- TOTAL 100.2 145.4 111.0 185.0 120.6 153.3 212.7 69.1 116.33 47.14 46.50 79.3 MEAN 3.23 4.85 3.58 5.97 4.16 4.95 7.09 2.23 3.88 1.52 1.50 2.64 MAX 4.5 12 5.0 17 12 27 41 5.4 32 5.8 4.4 18 MIN 2.3 3.3 3.2 3.5 3.1 3.1 2.9 1.2 0.77 0.61 0.55 1.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1988 TO SEPTEMBER 1989 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1.8 4.3 6.5 7.3 2.5 4.6 2.6 7.5 4.1 2.2 3.1 1.5 2 1.8 4.1 2.3 3.7 2.4 5.8 2.2 6.7 1.9 1.8 2.9 1.4 3 4.5 3.2 1.9 6.0 2.3 17 2.4 2.2 1.1 1.6 2.6 1.4 4 7.9 3.3 1.8 6.8 2.2 7.9 2.3 3.3 0.88 4.9 2.4 1.4 5 2.7 5.3 1.9 3.9 2.1 6.9 2.2 2.1 1.0 14 2.2 1.3 6 2.5 4.4 3.5 3.1 2.3 4.8 2.9 3.1 1.2 2.6 2.2 1.3 7 2.4 3.4 2.0 2.7 2.6 3.8 2.6 1.9 1.1 2.2 2.2 1.3 8 2.2 3.0 1.8 2.6 2.4 3.7 3.3 1.8 0.94 1.9 2.2 1.3 9 2.2 3.9 2.1 4.8 2.1 3.7 15 2.4 10 1.8 2.2 1.3 10 2.0 2.6 2.7 3.3 4.1 3.4 24 9.2 3.4 1.7 2.2 1.3 11 1.9 3.0 2.7 2.3 2.1 3.2 21 3.8 1.8 1.7 2.2 1.3 12 1.9 3.0 4.1 2.3 2.1 2.9 9.1 2.2 1.4 2.4 2.2 1.3 13 1.8 3.1 2.3 2.3 1.9 3.8 6.7 1.8 1.3 5.7 2.2 1.3 14 2.0 3.1 2.2 2.4 1.9 2.9 5.5 1.7 1.2 2.1 2.2 1.3 15 2.0 3.2 2.3 2.4 1.9 3.2 7.9 2.1 1.1 3.9 2.9 1.4 16 1.8 4.6 3.4 2.4 2.1 3.6 7.4 1.9 1.3 11 3.3 1.6 17 1.8 3.0 3.4 2.4 2.2 3.3 5.1 1.7 1.5 2.2 2.5 1.4 18 1.9 3.3 2.9 2.4 2.2 2.7 4.2 1.7 1.5 1.8 2.3 1.2 19 1.8 3.1 2.5 4.0 2.4 2.9 3.8 1.6 11 12 2.3 1.2 20 1.8 2.9 5.7 2.2 2.8 3.1 3.9 3.8 22 32 2.3 1.2 21 2.9 2.7 2.9 2.0 13 5.6 4.0 1.4 12 14 2.3 19 22 2.8 9.6 2.5 2.1 12 4.4 3.3 1.2 13 5.5 2.3 30 23 2.2 3.3 2.2 2.1 5.6 9.7 3.0 1.2 4.4 10 2.3 5.4 24 2.4 2.6 1.9 2.1 5.1 20 2.7 1.2 3.2 13 1.8 1.7 25 2.1 1.8 1.8 2.2 4.3 7.0 2.5 1.2 12 5.1 1.6 1.6 26 2.1 2.0 1.7 2.2 3.4 2.8 2.3 1.1 3.4 3.0 1.5 1.6 27 2.5 2.2 4.4 2.4 4.1 3.1 1.9 1.1 2.5 2.1 1.5 1.6 28 2.8 2.6 2.6 2.6 4.8 4.7 1.7 1.1 2.2 5.2 1.5 1.6 29 3.1 2.5 1.9 2.5 --- 2.8 1.6 1.1 2.9 3.4 1.5 1.5 30 3.1 2.3 1.7 2.5 --- 4.3 1.8 1.0 3.0 2.8 1.5 1.5 31 3.8 --- 2.6 2.7 --- 2.2 --- 0.97 --- 5.1 1.5 --- TOTAL 78.5 101.4 84.2 94.7 98.9 159.8 158.9 75.07 128.32 178.7 67.9 92.2 MEAN 2.53 3.38 2.72 3.05 3.53 5.15 5.30 2.42 4.28 5.76 2.19 3.07 MAX 7.9 9.6 6.5 7.3 13 20 24 9.2 22 32 3.3 30 MIN 1.8 1.8 1.7 2.0 1.9 2.2 1.6 0.97 0.88 1.6 1.5 1.2 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1989 TO SEPTEMBER 1990 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 3.1 1.7 4.5 8.9 4.8 4.3 4.3 1.7 0.93 0.27 0.58 2.0 2 10 1.6 4.5 6.9 4.8 4.3 3.6 1.5 0.98 0.29 0.66 1.9 3 5.8 2.1 4.6 5.7 4.7 4.2 3.3 1.5 1.0 0.37 0.99 1.8 4 3.0 2.1 4.4 4.5 5.2 4.3 3.0 5.9 1.0 0.28 0.78 1.5 5 1.6 2.1 4.2 4.5 6.2 4.1 3.0 1.9 0.88 0.23 0.68 1.5 6 1.7 2.1 4.2 7.5 4.7 3.9 2.9 2.3 0.88 0.21 0.72 1.5 7 1.4 2.2 4.9 9.1 4.6 3.9 3.7 1.8 0.94 0.22 1.2 1.4 8 1.5 2.2 19 16 4.4 4.0 3.0 1.6 3.6 0.21 2.9 1.3 9 1.4 3.7 16 13 4.3 4.3 2.9 1.7 2.1 0.21 4.9 1.3 10 1.4 2.7 9.5 6.4 4.6 5.1 2.9 3.8 0.97 0.22 2.7 1.2 11 1.3 2.3 6.8 5.4 4.5 4.4 3.5 2.2 0.96 0.23 1.5 2.6 12 1.3 2.0 7.8 5.9 4.5 4.1 2.8 1.7 0.89 0.61 0.94 1.3 13 1.3 1.9 12 5.7 4.4 3.9 2.7 1.5 0.87 0.95 0.80 1.2 14 1.3 1.9 7.4 5.7 4.3 3.8 2.7 1.5 0.79 1.2 0.74 1.5 15 1.6 4.9 6.3 5.4 4.5 3.8 2.8 1.4 1.0 0.68 0.68 1.5 16 1.8 5.2 5.7 5.3 8.0 3.8 2.7 1.2 2.7 0.60 0.67 1.3 17 1.7 3.5 5.1 4.9 5.0 7.4 2.7 1.3 1.4 0.51 0.70 1.2 18 2.5 2.7 5.3 5.1 5.2 8.4 2.6 1.5 1.0 4.7 0.73 1.2 19 3.7 2.6 8.7 4.7 5.4 4.9 2.6 1.3 0.81 3.1 0.67 1.8 20 2.5 2.4 9.0 4.8 4.6 4.2 9.4 1.2 0.74 1.3 0.65 1.1 21 1.9 2.2 6.0 6.0 4.9 3.8 2.1 1.1 0.73 0.90 0.62 1.1 22 1.7 2.2 5.4 5.5 5.2 3.7 1.7 1.1 0.73 0.86 200 1.2 23 1.6 5.5 5.4 4.9 4.7 4.0 1.6 3.2 0.64 1.1 24 1.2 24 1.4 3.7 5.3 4.6 4.5 5.7 1.4 2.9 0.66 0.91 8.0 1.1 25 1.3 3.0 5.3 5.4 4.5 3.7 1.3 0.67 0.64 2.6 4.5 1.2 26 1.3 3.0 5.3 8.4 4.5 3.1 1.3 0.54 0.64 6.4 3.5 1.1 27 1.3 3.0 5.2 5.6 4.5 3.2 1.2 0.52 4.8 0.78 2.9 1.2 28 1.3 6.2 5.0 5.0 4.4 3.1 1.5 1.7 0.51 0.64 2.7 1.1 29 1.3 7.0 4.8 5.0 --- 4.2 2.8 1.8 0.34 0.68 2.2 1.2 30 1.5 5.0 4.7 5.1 --- 4.5 1.9 1.0 0.27 0.63 2.1 1.6 31 1.5 --- 6.7 5.0 --- 5.1 --- 0.89 --- 0.60 2.4 --- TOTAL 66.0 92.7 209.0 195.9 135.9 135.2 83.9 53.92 34.40 32.49 277.11 42.1 MEAN 2.13 3.09 6.74 6.32 4.85 4.36 2.80 1.74 1.15 1.05 8.94 1.40 MAX 10 7.0 19 16 8.0 8.4 9.4 5.9 4.8 6.4 200 2.6 MIN 1.3 1.6 4.2 4.5 4.3 3.1 1.2 0.52 0.27 0.21 0.58 1.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1990 TO SEPTEMBER 1991 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 1.3 5.7 5.5 5.2 15 8.3 12 12 6.0 3.5 216 9.2 2 1.3 5.3 5.5 6.8 13 9.4 11 9.2 5.2 3.4 372 8.6 3 1.4 5.0 5.2 5.8 12 9.4 10 8.1 4.7 3.4 100 7.7 4 1.4 4.9 5.2 5.8 11 9.5 9.8 7.3 4.4 10 46 8.7 5 1.6 4.9 5.0 5.4 11 9.8 25 12 4.0 22 31 6.9 6 1.4 4.9 5.1 5.2 10 9.8 24 30 3.6 7.3 22 6.3 7 1.4 4.8 5.0 5.4 43 9.8 13 12 3.6 14 18 12 8 1.3 4.6 7.9 6.8 26 9.8 12 9.4 3.6 6.8 15 9.1 9 1.2 8.2 6.1 5.8 18 9.8 18 7.9 3.6 5.5 25 5.3 10 52 18 5.2 5.3 14 9.8 12 7.9 3.6 6.2 26 4.9 11 84 8.1 5.0 12 12 9.8 10 7.1 3.1 6.1 25 4.8 12 249 6.1 5.0 14 11 9.8 9.8 6.4 3.1 4.9 27 4.8 13 56 5.5 5.0 8.1 11 9.8 9.8 8.4 3.1 4.4 27 5.4 14 13 5.2 5.0 5.7 11 9.9 9.7 10 7.8 4.4 26 4.6 15 8.4 5.2 5.0 7.1 9.7 10 9.6 7.0 10 4.4 30 4.8 16 6.6 5.2 5.1 7.2 9.6 10 9.8 6.1 4.3 6.5 16 6.2 17 5.6 5.3 5.0 5.5 9.5 10 9.2 6.2 4.5 9.8 13 9.2 18 5.8 5.2 4.8 4.5 9.3 10 9.6 6.0 3.8 45 13 6.3 19 5.9 5.3 5.1 12 8.9 10 11 9.0 3.4 94 9.6 4.8 20 4.6 5.4 6.5 19 8.8 10 10 7.1 3.5 20 9.0 4.8 21 4.3 5.3 7.0 9.3 8.6 10 9.2 6.7 4.7 12 8.0 4.8 22 25 5.1 5.9 7.1 8.6 9.6 9.0 6.1 3.5 12 7.3 4.6 23 201 5.1 5.5 6.5 15 9.7 8.7 6.0 3.2 9.3 7.2 4.6 24 26 5.3 5.3 17 11 9.7 8.7 5.5 3.2 7.7 20 4.4 25 13 4.9 4.9 26 9.3 9.6 8.7 5.3 3.4 14 73 48 26 11 4.9 4.8 15 8.8 9.7 8.7 4.9 3.1 9.8 73 23 27 8.7 5.0 4.8 13 8.7 9.6 24 6.0 6.7 17 24 8.1 28 7.9 5.4 4.8 15 8.7 9.4 38 7.3 5.9 64 16 5.0 29 7.1 5.7 5.0 14 --- 37 15 5.8 5.4 85 13 4.3 30 6.4 4.9 5.0 78 --- 49 21 5.1 4.2 135 11 4.1 31 6.1 --- 5.2 33 --- 15 --- 6.7 --- 146 10 --- TOTAL 819.7 174.4 165.4 386.5 352.5 373.0 396.3 254.5 132.2 793.4 1329.1 245.3 MEAN 26.4 5.81 5.34 12.5 12.6 12.0 13.2 8.21 4.41 25.6 42.9 8.18 MAX 249 18 7.9 78 43 49 38 30 10 146 372 48 MIN 1.2 4.6 4.8 4.5 8.6 8.3 8.7 4.9 3.1 3.4 7.2 4.1 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1991, BY WATER YEAR (WY) MEAN 6.67 6.24 5.58 9.85 10.9 11.3 8.58 7.61 4.67 6.98 9.76 3.94 MAX 26.4 11.3 7.71 28.6 20.1 29.9 20.8 34.3 10.5 25.6 42.9 8.18 (WY) 1991 1987 1987 1987 1987 1987 1984 1984 1984 1991 1991 1991 MIN 2.13 3.09 2.72 3.05 3.53 4.36 2.80 1.74 1.15 1.05 1.50 1.40 (WY) 1990 1990 1989 1989 1989 1990 1990 1990 1990 1990 1988 1990 SUMMARY STATISTICS FOR 1990 CALENDAR YEAR FOR 1991 WATER YEAR WATER YEARS 1984 - 1991 ANNUAL TOTAL 5422.3 ANNUAL MEAN 14.9 6.81 HIGHEST ANNUAL MEAN 14.9 1991 LOWEST ANNUAL MEAN 3.61 1989 HIGHEST DAILY MEAN 372 Aug 2 372 Aug 2 1991 LOWEST DAILY MEAN 1.2 Oct 9 0.21 Jul 6 1990 ANNUAL SEVEN-DAY MINIMUM 1.4 Oct 3 0.22 Jul 5 1990 MAXIMUM PEAK FLOW 697 Aug 1 697 Aug 1 1991 MAXIMUM PEAK STAGE 9.62 Aug 1 9.62 Aug 1 1991 INSTANTANEOUS LOW FLOW 1.2 Oct 2 0.21 Jul 6 1990 10 PERCENT EXCEEDS 25 13 50 PERCENT EXCEEDS 8.1 4.5 90 PERCENT EXCEEDS 4.4 1.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1991 TO SEPTEMBER 1992 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4.0 6.4 6.9 6.2 6.2 6.7 7.0 4.9 3.4 3.6 2.3 4.2 2 4.4 6.8 7.3 5.6 6.2 6.7 6.8 4.8 2.9 16 2.3 4.2 3 5.5 6.8 11 7.9 5.8 6.8 6.3 4.8 9.8 11 2.3 3.9 4 5.1 8.5 12 6.8 6.1 6.6 6.0 4.3 21 6.1 2.2 3.9 5 6.6 6.3 7.8 6.2 5.9 6.5 6.0 4.2 6.7 4.2 2.0 5.7 6 6.5 6.1 7.0 5.6 7.2 15 6.0 5.4 4.0 3.2 3.3 6.6 7 4.9 6.1 6.5 5.6 9.5 15 6.7 8.1 3.3 3.2 2.9 7.9 8 4.7 6.3 6.5 5.3 6.6 9.1 6.7 9.8 18 2.7 2.5 5.5 9 4.6 14 6.7 5.6 6.8 7.2 6.2 7.0 54 2.7 2.3 4.4 10 4.6 22 6.1 5.8 8.2 7.2 6.2 5.0 10 2.5 2.0 3.8 11 4.8 9.4 6.0 5.3 6.2 7.5 12 4.3 6.7 2.6 2.5 4.3 12 4.8 6.9 6.0 5.3 5.3 7.1 16 4.2 16 2.6 2.3 5.5 13 4.9 6.8 5.6 28 5.9 7.0 9.7 4.1 12 2.2 15 4.2 14 5.0 6.9 5.6 33 5.4 6.7 8.8 3.8 29 2.4 22 3.6 15 5.4 6.5 5.3 10 6.9 6.5 6.3 3.6 13 2.2 13 3.3 16 6.1 6.5 5.8 7.9 8.1 6.5 6.5 3.6 8.6 2.3 11 3.3 17 5.3 6.6 5.3 7.3 15 6.4 6.2 3.6 11 3.4 8.3 2.9 18 5.5 6.7 5.3 6.8 14 6.4 6.0 3.6 6.4 6.8 7.2 2.8 19 5.5 6.8 5.3 23 8.9 11 6.0 4.4 4.9 7.6 15 2.8 20 5.5 6.8 5.3 14 7.0 8.4 13 4.4 4.6 6.9 47 2.8 21 5.5 7.4 5.6 12 6.3 6.9 14 4.9 3.9 4.4 11 2.8 22 5.6 7.9 5.3 7.8 6.0 6.8 21 3.5 3.6 4.8 9.0 2.7 23 5.8 7.5 6.0 24 48 7.3 9.8 3.0 3.3 8.5 7.7 3.4 24 6.2 7.0 8.8 12 18 6.8 7.1 2.6 3.3 6.7 6.9 5.7 25 6.1 6.9 6.1 8.0 12 9.1 5.9 2.5 3.1 3.8 6.3 4.8 26 6.0 6.5 6.0 7.2 13 18 5.8 4.1 2.9 3.3 8.4 4.0 27 6.2 6.6 9.2 7.3 9.0 9.1 5.8 3.7 2.9 2.9 6.8 3.8 28 6.6 6.7 27 7.3 7.8 7.9 5.6 3.9 3.8 2.8 6.4 3.5 29 6.3 6.8 28 7.3 7.7 7.0 5.8 3.9 3.6 2.5 5.9 3.2 30 6.2 6.7 9.3 7.0 --- 7.9 5.4 6.6 3.5 2.3 5.3 2.7 31 6.2 --- 7.0 7.0 --- 8.2 --- 4.7 --- 2.3 4.6 --- TOTAL 170.4 229.2 251.6 308.1 279.0 255.3 240.6 141.3 279.2 138.5 245.7 122.2 MEAN 5.50 7.64 8.12 9.94 9.62 8.24 8.02 4.56 9.31 4.47 7.93 4.07 MAX 6.6 22 28 33 48 18 21 9.8 54 16 47 7.9 MIN 4.0 6.1 5.3 5.3 5.3 6.4 5.4 2.5 2.9 2.2 2.0 2.7 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1992, BY WATER YEAR (WY) MEAN 6.52 6.41 5.89 9.86 10.7 11.0 8.52 7.27 5.18 6.70 9.56 3.95 MAX 26.4 11.3 8.12 28.6 20.1 29.9 20.8 34.3 10.5 25.6 42.9 8.18 (WY) 1991 1987 1992 1987 1987 1987 1984 1984 1984 1991 1991 1991 MIN 2.13 3.09 2.72 3.05 3.53 4.36 2.80 1.74 1.15 1.05 1.50 1.40 (WY) 1990 1990 1989 1989 1989 1990 1990 1990 1990 1990 1988 1990 SUMMARY STATISTICS FOR 1991 CALENDAR YEAR FOR 1992 WATER YEAR WATER YEARS 1984 - 1992 ANNUAL TOTAL 2661.1 ANNUAL MEAN 7.27 6.87 HIGHEST ANNUAL MEAN 14.9 1991 LOWEST ANNUAL MEAN 3.61 1989 HIGHEST DAILY MEAN 54 Jun 9 372 Aug 2 1991 LOWEST DAILY MEAN 2.0 Aug 5 0.21 Jul 6 1990 ANNUAL SEVEN-DAY MINIMUM 2.2 Jul 30 0.22 Jul 5 1990 MAXIMUM PEAK FLOW 137 Jun 9 697 Aug 1 1991 MAXIMUM PEAK STAGE 3.71 Jun 9 9.62 Aug 1 1991 10 PERCENT EXCEEDS 12 13 50 PERCENT EXCEEDS 6.2 4.7 90 PERCENT EXCEEDS 2.9 1.5 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 1992 TO SEPTEMBER 1993 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 2.6 4.4 9.1 7.7 12 11 39 6.9 4.2 3.9 2.3 1.4 2 3.1 5.4 9.1 7.2 11 10 22 6.5 35 3.6 2.3 1.4 3 3.0 6.2 9.1 6.8 10 18 18 6.5 12 3.0 2.1 1.4 4 14 6.5 9.1 6.8 10 60 17 11 6.2 2.8 2.4 1.4 5 9.2 7.3 9.1 7.4 11 20 44 15 4.5 2.6 2.3 7.2 6 6.2 7.2 9.1 17 19 16 31 7.8 4.1 2.5 2.1 117 7 4.4 5.9 12 39 29 14 21 6.6 3.8 3.3 5.9 12 8 8.7 5.5 12 179 35 13 18 6.3 3.3 3.3 7.1 8.1 9 60 5.0 9.6 53 17 12 18 6.1 3.3 2.6 4.0 6.1 10 11 5.1 17 27 18 12 22 5.8 3.3 2.7 3.2 5.0 11 8.5 5.2 13 25 15 11 16 5.3 16 2.7 2.8 4.2 12 7.4 19 10 53 15 11 14 5.3 6.0 2.7 2.5 3.8 13 5.1 25 9.1 37 14 49 13 7.6 61 2.7 2.2 3.3 14 4.6 9.5 9.1 23 12 23 12 9.7 12 2.4 2.2 3.2 15 4.5 6.8 8.1 20 11 15 12 6.2 7.5 2.4 3.2 3.1 16 4.3 6.5 7.9 19 19 13 11 5.4 5.8 2.1 2.2 2.9 17 4.4 5.8 11 16 19 18 10 5.2 4.5 2.1 1.9 14 18 4.2 5.5 11 15 13 15 9.4 4.8 4.4 2.2 1.9 32 19 4.0 6.2 8.5 14 12 12 9.4 5.5 3.6 6.1 1.8 6.6 20 3.7 6.0 8.3 14 12 11 8.9 6.5 3.6 4.7 1.6 7.1 21 3.8 36 8.6 35 12 11 8.6 5.3 3.7 3.1 1.7 30 22 3.8 43 10 24 20 11 8.6 5.1 3.6 2.6 3.1 14 23 3.7 24 8.9 17 14 27 8.2 4.3 3.1 2.3 2.1 6.4 24 3.8 16 8.1 23 11 40 8.2 4.2 3.1 4.9 1.8 4.6 25 3.8 15 7.9 27 10 18 7.6 3.8 5.4 10 1.7 4.1 26 3.5 35 7.4 17 21 56 7.8 3.9 6.1 4.2 1.5 3.5 27 3.8 13 8.1 15 15 82 7.8 3.8 14 3.3 1.5 3.4 28 3.7 12 14 14 12 29 7.0 3.8 5.8 2.8 1.5 3.5 29 3.8 12 17 13 --- 21 7.0 3.8 5.9 2.6 1.5 3.4 30 4.9 12 11 12 --- 18 7.0 3.8 5.8 2.4 1.4 3.1 31 4.5 --- 8.7 12 --- 58 --- 3.9 --- 2.3 1.4 --- TOTAL 216.0 372.0 310.9 795.9 429 735 443.5 185.7 260.6 100.9 75.2 317.2 MEAN 6.97 12.4 10.0 25.7 15.3 23.7 14.8 5.99 8.69 3.25 2.43 10.6 MAX 60 43 17 179 35 82 44 15 61 10 7.1 117 MIN 2.6 4.4 7.4 6.8 10 10 7.0 3.8 3.1 2.1 1.4 1.4 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1993, BY WATER YEAR (WY) MEAN 6.57 7.08 6.35 11.4 11.2 12.3 9.15 7.14 5.53 6.36 8.85 4.61 MAX 26.4 12.4 10.0 28.6 20.1 29.9 20.8 34.3 10.5 25.6 42.9 10.6 (WY) 1991 1993 1993 1987 1987 1987 1984 1984 1984 1991 1991 1993 MIN 2.13 3.09 2.72 3.05 3.53 4.36 2.80 1.74 1.15 1.05 1.50 1.40 (WY) 1990 1990 1989 1989 1989 1990 1990 1990 1990 1990 1988 1990 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1984 - 1993 ANNUAL TOTAL 4241.9 ANNUAL MEAN 11.6 7.39 HIGHEST ANNUAL MEAN 14.9 1991 LOWEST ANNUAL MEAN 3.61 1989 HIGHEST DAILY MEAN 179 Jan 8 372 Aug 2 1991 LOWEST DAILY MEAN 1.4 Aug 30 0.21 Jul 6 1990 ANNUAL SEVEN-DAY MINIMUM 1.4 Aug 29 0.22 Jul 5 1990 MAXIMUM PEAK FLOW 300 Sep 6 697 Aug 1 1991 MAXIMUM PEAK STAGE 5.47 Sep 6 9.62 Aug 1 1991 10 PERCENT EXCEEDS 23 14 50 PERCENT EXCEEDS 7.4 4.8 90 PERCENT EXCEEDS 2.5 1.6 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,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 3.1 6.8 22 7.2 10 12 7.2 1.9 1.8 3.1 2.0 3.7 2 3.1 5.6 6.4 13 8.9 90 6.8 1.9 1.7 2.5 2.3 47 3 3.2 5.0 5.7 13 8.5 28 6.3 1.9 1.6 2.7 1.6 15 4 3.1 5.0 4.7 24 8.0 20 5.9 1.9 2.2 7.4 1.3 4.3 5 2.8 11 8.2 9.5 22 13 5.7 2.1 2.2 4.3 1.2 2.2 6 3.0 9.9 6.2 7.7 21 11 5.3 1.9 3.1 3.1 1.2 2.1 7 3.2 6.6 7.9 7.2 12 11 6.4 1.9 2.7 2.5 1.1 2.1 8 3.4 6.0 5.6 7.7 12 10 5.2 1.7 1.7 2.1 1.1 1.9 9 3.4 5.5 5.5 6.8 11 9.7 4.8 1.6 1.2 2.0 0.97 2.2 10 2.9 5.5 6.1 6.8 12 25 4.8 1.6 1.2 1.3 0.85 2.3 11 3.1 5.5 8.0 6.4 13 15 4.4 1.6 1.1 1.4 0.91 2.2 12 3.4 5.5 6.3 19 12 11 4.4 1.6 0.84 1.6 1.8 1.6 13 3.4 5.5 5.8 12 9.1 9.8 6.7 2.0 0.77 3.3 5.8 1.5 14 3.1 5.5 9.6 8.5 8.5 13 5.3 1.3 0.84 2.3 4.5 1.3 15 3.1 5.7 9.8 7.5 7.9 9.9 4.4 1.5 0.85 1.9 2.1 1.2 16 3.5 6.0 7.1 6.8 7.9 9.3 4.4 6.2 0.81 1.5 9.1 1.8 17 4.2 6.0 6.3 9.2 6.9 7.9 3.8 3.1 0.72 1.4 12 1.9 18 4.1 6.0 5.8 17 6.8 7.9 3.6 2.7 0.72 1.2 4.6 2.9 19 3.8 6.0 5.8 9.2 6.8 7.9 3.3 2.4 0.83 1.2 5.8 4.4 20 3.8 6.1 6.6 7.9 6.8 7.3 3.1 2.2 0.73 2.2 2.8 2.3 21 4.1 6.7 11 7.9 6.1 7.3 2.9 2.1 0.69 2.7 14 1.8 22 3.8 7.6 7.2 7.4 6.3 8.7 3.3 2.2 1.3 6.1 13 1.5 23 4.1 7.7 12 7.5 9.4 7.3 5.2 2.0 1.4 18 3.5 1.3 24 4.1 8.0 10 7.1 55 10 3.5 1.9 0.71 5.7 2.3 2.2 25 3.8 8.2 7.3 6.9 16 95 2.9 1.7 0.84 2.6 1.6 2.2 26 4.3 8.2 6.6 6.8 10 18 2.7 1.8 1.0 1.5 1.2 1.7 27 4.6 39 5.9 6.8 8.7 9.8 2.6 1.8 21 3.5 1.2 1.4 28 4.1 15 5.8 14 7.9 8.3 2.3 1.8 8.3 10 1.1 1.3 29 4.1 8.0 8.6 13 --- 22 2.1 1.6 4.0 5.2 1.0 1.2 30 49 6.7 5.9 20 --- 13 1.9 1.6 4.1 3.5 1.0 1.2 31 13 --- 5.8 15 --- 10 --- 1.8 --- 3.0 0.94 --- TOTAL 165.7 239.8 235.5 318.8 330.5 538.1 131.2 63.3 70.95 110.8 103.87 119.7 MEAN 5.35 7.99 7.60 10.3 11.8 17.4 4.37 2.04 2.37 3.57 3.35 3.99 MAX 49 39 22 24 55 95 7.2 6.2 21 18 14 47 MIN 2.8 5.0 4.7 6.4 6.1 7.3 1.9 1.3 0.69 1.2 0.85 1.2 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1994, BY WATER YEAR (WY) MEAN 6.45 7.17 6.48 11.3 11.2 12.7 8.71 6.68 5.25 6.10 8.35 4.56 MAX 26.4 12.4 10.0 28.6 20.1 29.9 20.8 34.3 10.5 25.6 42.9 10.6 (WY) 1991 1993 1993 1987 1987 1987 1984 1984 1984 1991 1991 1993 MIN 2.13 3.09 2.72 3.05 3.53 4.36 2.80 1.74 1.15 1.05 1.50 1.40 (WY) 1990 1990 1989 1989 1989 1990 1990 1990 1990 1990 1988 1990 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1984 - 1994 ANNUAL TOTAL 2428.22 ANNUAL MEAN 6.65 7.32 HIGHEST ANNUAL MEAN 14.9 1991 LOWEST ANNUAL MEAN 3.61 1989 HIGHEST DAILY MEAN 95 Mar 25 372 Aug 2 1991 LOWEST DAILY MEAN 0.69 Jun 21 0.21 Jul 6 1990 ANNUAL SEVEN-DAY MINIMUM 0.76 Jun 15 0.22 Jul 5 1990 MAXIMUM PEAK FLOW 212 Sep 2 697 Aug 1 1991 MAXIMUM PEAK STAGE 4.55 Sep 2 9.62 Aug 1 1991 10 PERCENT EXCEEDS 12 14 50 PERCENT EXCEEDS 4.7 4.8 90 PERCENT EXCEEDS 1.3 1.6 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,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 1.0 11 7.3 6.5 12 50 8.5 3.9 5.9 2.8 3.2 9.1 2 5.2 6.4 6.1 6.5 12 27 8.2 3.9 4.3 2.5 4.2 9.9 3 25 5.1 5.8 6.6 12 19 8.2 3.5 5.5 2.5 10 9.0 4 12 5.1 7.0 6.9 15 16 8.0 3.1 5.2 2.5 6.2 8.4 5 3.8 5.1 15 7.0 12 15 7.9 3.1 32 2.3 4.2 8.2 6 2.3 5.4 8.4 7.0 12 16 8.8 3.0 50 2.4 3.3 8.3 7 1.7 5.4 6.7 80 11 15 9.0 3.0 12 7.9 3.4 8.5 8 1.7 5.1 6.3 30 11 18 7.8 3.0 8.3 3.0 5.7 8.9 9 3.1 5.2 6.0 25 11 16 7.5 2.8 5.3 2.3 3.8 8.3 10 5.0 5.6 5.9 20 13 13 6.9 2.6 6.7 2.1 2.8 7.7 11 4.4 8.5 12 14 23 13 10 2.6 4.6 2.0 2.4 7.4 12 20 7.4 8.1 13 20 13 6.1 2.5 4.4 3.0 2.1 7.4 13 104 6.0 6.8 12 14 12 6.6 2.5 4.9 2.2 1.9 7.5 14 20 5.4 6.7 25 13 12 5.9 3.0 4.0 2.0 1.7 8.9 15 11 5.4 6.2 76 13 12 5.9 3.4 2.9 2.0 1.8 17 16 7.5 5.4 6.1 26 18 12 5.9 3.0 2.8 1.9 2.6 16 17 5.9 5.9 6.3 18 24 12 5.9 2.5 2.5 2.0 1.8 10 18 4.8 5.9 6.2 15 139 12 5.9 2.4 2.0 2.1 1.7 9.0 19 4.6 5.5 5.7 15 53 12 5.5 6.4 1.7 2.1 1.5 8.7 20 4.3 5.4 5.6 16 26 11 5.1 6.5 1.9 2.2 1.5 8.3 21 4.2 8.5 5.7 13 22 11 4.4 3.8 2.2 2.2 1.4 7.1 22 9.3 7.4 79 13 19 11 4.0 2.6 2.2 2.4 1.5 6.8 23 17 5.6 12 19 17 10 4.3 3.0 2.2 2.4 1.7 6.7 24 7.1 5.6 8.7 18 17 10 4.6 2.8 5.1 2.5 1.7 28 25 5.4 5.4 8.0 14 15 10 4.3 2.4 14 2.6 7.0 16 26 4.7 6.3 7.3 13 15 9.3 3.9 2.0 4.2 11 85 14 27 4.0 14 7.0 12 15 9.2 3.9 1.8 2.5 10 21 11 28 4.1 9.4 6.7 17 15 9.2 3.9 1.8 2.7 9.1 15 8.3 29 4.1 12 6.6 19 --- 8.8 3.9 2.0 4.6 7.4 13 7.0 30 4.1 11 6.5 14 --- 9.0 3.9 2.8 4.0 5.3 11 6.1 31 4.2 --- 6.5 13 --- 8.7 --- 3.3 --- 3.5 9.6 --- TOTAL 315.5 205.4 298.2 590.5 599 432.2 184.7 95.0 210.6 110.2 233.7 297.5 MEAN 10.2 6.85 9.62 19.0 21.4 13.9 6.16 3.06 7.02 3.55 7.54 9.92 MAX 104 14 79 80 139 50 10 6.5 50 11 85 28 MIN 1.0 5.1 5.6 6.5 11 8.7 3.9 1.8 1.7 1.9 1.4 6.1 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1995, BY WATER YEAR (WY) MEAN 6.79 7.14 6.76 12.0 12.1 12.8 8.50 6.38 5.39 5.89 8.28 5.00 MAX 26.4 12.4 10.0 28.6 21.4 29.9 20.8 34.3 10.5 25.6 42.9 10.6 (WY) 1991 1993 1993 1987 1995 1987 1984 1984 1984 1991 1991 1993 MIN 2.13 3.09 2.72 3.05 3.53 4.36 2.80 1.74 1.15 1.05 1.50 1.40 (WY) 1990 1990 1989 1989 1989 1990 1990 1990 1990 1990 1988 1990 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1984 - 1995 ANNUAL TOTAL 3572.5 ANNUAL MEAN 9.79 7.54 HIGHEST ANNUAL MEAN 14.9 1991 LOWEST ANNUAL MEAN 3.61 1989 HIGHEST DAILY MEAN 139 Feb 18 372 Aug 2 1991 LOWEST DAILY MEAN 1.0 Oct 1 0.21 Jul 6 1990 ANNUAL SEVEN-DAY MINIMUM 1.6 Aug 18 0.22 Jul 5 1990 MAXIMUM PEAK FLOW 242 Feb 18 697 Aug 1 1991 MAXIMUM PEAK STAGE 5.38 Feb 18 9.62 Aug 1 1991 10 PERCENT EXCEEDS 17 15 50 PERCENT EXCEEDS 6.6 4.9 90 PERCENT EXCEEDS 2.3 1.7 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973471 PEN BRANCH AT RD B, AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331212 LONGITUDE 0813851 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 160. NGVD29 Date Processed: 2004-08-20 15:18 By mishealy APPROVED DD #15, ,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 3.1 3.7 5.2 16 7.1 6.6 14 6.5 2.5 1.3 11 2.5 2 3.0 3.6 4.7 8.5 7.7 5.8 11 4.8 2.1 1.2 14 2.7 3 2.8 3.8 4.7 6.7 12 4.6 8.7 4.0 2.0 1.2 14 2.6 4 3.1 4.1 4.7 5.9 8.3 4.5 8.4 3.7 2.1 1.2 11 15 5 3.2 3.9 4.7 5.4 7.1 4.6 7.7 3.5 2.2 15 8.9 19 6 3.0 4.3 4.8 5.4 6.5 10 8.9 3.2 1.9 11 5.3 5.7 7 2.9 11 28 7.7 6.3 26 9.3 2.7 1.7 4.8 3.8 3.5 8 2.6 16 9.6 7.1 6.9 15 7.7 3.1 3.2 3.0 3.7 2.9 9 2.6 5.7 10 6.0 6.7 10 6.8 2.7 4.1 2.7 3.4 2.4 10 2.6 4.1 8.4 5.3 6.3 8.9 6.6 2.2 2.2 2.1 4.7 9.6 11 2.8 7.3 6.6 5.3 5.7 8.4 6.3 2.1 2.1 1.9 3.8 11 12 2.9 8.7 6.1 6.7 5.9 8.2 6.3 2.2 1.8 1.8 9.9 4.7 13 3.1 5.6 5.2 5.8 5.6 7.8 6.1 2.1 6.3 1.6 6.7 3.6 14 5.6 4.9 5.5 5.9 5.6 7.5 5.9 2.1 12 1.9 21 3.0 15 9.5 4.8 5.6 4.9 5.5 8.4 5.9 2.1 6.4 3.5 6.4 2.7 16 3.5 4.8 5.2 4.9 5.3 13 5.7 2.4 3.7 4.7 4.1 3.1 17 3.5 4.7 5.0 5.4 5.8 22 5.2 2.1 3.2 2.6 3.3 3.0 18 3.5 4.7 4.7 5.8 5.5 18 4.9 1.9 2.7 2.3 4.3 2.7 19 3.3 4.7 28 6.4 5.4 13 5.0 1.8 2.5 1.8 4.3 2.3 20 3.2 4.7 11 5.9 7.6 10 5.9 1.7 2.3 1.7 3.3 3.3 21 2.6 4.8 7.3 5.9 6.4 9.4 6.0 1.6 2.0 2.7 2.7 2.6 22 2.4 4.6 6.3 5.4 5.4 9.0 4.8 1.8 1.9 2.3 2.4 3.3 23 2.4 4.7 5.9 4.9 5.3 8.3 4.5 2.0 1.7 2.8 2.1 2.2 24 2.7 5.3 5.8 6.3 4.6 8.3 4.3 1.7 1.7 1.9 2.3 2.1 25 2.8 6.3 5.5 6.7 4.2 8.2 3.9 5.7 1.8 3.2 19 2.0 26 2.5 6.0 5.4 5.6 4.1 8.2 3.8 3.5 1.7 3.2 5.6 2.0 27 3.6 5.7 5.3 17 4.2 11 4.0 8.0 1.4 2.2 3.7 1.9 28 12 6.1 4.9 9.7 14 33 3.7 8.2 1.4 2.2 3.3 2.5 29 6.2 6.1 4.9 9.0 11 15 4.4 6.9 1.4 2.1 3.0 3.7 30 3.6 5.8 4.9 7.8 --- 12 12 4.4 1.4 1.7 2.7 5.4 31 3.5 --- 6.1 7.7 --- 11 --- 2.8 --- 1.6 2.5 --- TOTAL 114.1 170.5 230.0 217.0 192.0 345.7 197.7 103.5 83.4 93.2 196.2 133.0 MEAN 3.68 5.68 7.42 7.00 6.62 11.2 6.59 3.34 2.78 3.01 6.33 4.43 MAX 12 16 28 17 14 33 14 8.2 12 15 21 19 MIN 2.4 3.6 4.7 4.9 4.1 4.5 3.7 1.6 1.4 1.2 2.1 1.9 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1984 - 1996, BY WATER YEAR (WY) MEAN 6.53 7.02 6.82 11.6 11.6 12.7 8.35 6.14 5.19 5.67 8.13 4.96 MAX 26.4 12.4 10.0 28.6 21.4 29.9 20.8 34.3 10.5 25.6 42.9 10.6 (WY) 1991 1993 1993 1987 1995 1987 1984 1984 1984 1991 1991 1993 MIN 2.13 3.09 2.72 3.05 3.53 4.36 2.80 1.74 1.15 1.05 1.50 1.40 (WY) 1990 1990 1989 1989 1989 1990 1990 1990 1990 1990 1988 1990 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1984 - 1996 ANNUAL TOTAL 2076.3 ANNUAL MEAN 5.67 7.39 HIGHEST ANNUAL MEAN 14.9 1991 LOWEST ANNUAL MEAN 3.61 1989 HIGHEST DAILY MEAN 33 Mar 28 372 Aug 2 1991 LOWEST DAILY MEAN 1.2 Jul 2 0.21 Jul 6 1990 ANNUAL SEVEN-DAY MINIMUM 1.3 Jun 28 0.22 Jul 5 1990 MAXIMUM PEAK FLOW 91 Jun 14 697 Aug 1 1991 MAXIMUM PEAK STAGE 3.89 Jun 14 9.62 Aug 1 1991 10 PERCENT EXCEEDS 11 14 50 PERCENT EXCEEDS 4.8 4.9 90 PERCENT EXCEEDS 2.0 1.7