1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 --- --- --- --- --- --- --- 1.9 1.7 1.7 1.3 2.1 2 --- --- --- --- --- --- 2.0 1.9 1.5 1.9 1.2 2.0 3 --- --- --- --- --- --- 2.0 1.9 1.5 2.2 1.3 2.0 4 --- --- --- --- --- --- 2.0 1.9 1.5 1.9 1.8 2.0 5 --- --- --- --- --- --- 2.0 1.9 11 2.1 1.4 2.1 6 --- --- --- --- --- --- 2.1 1.9 1.7 2.1 1.7 2.0 7 --- --- --- --- --- --- 2.1 1.9 1.4 2.1 1.6 2.0 8 --- --- --- --- --- --- 2.0 2.0 1.4 14 1.5 2.0 9 --- --- --- --- --- --- 2.0 1.8 1.4 80 1.6 2.0 10 --- --- --- --- --- --- 2.0 1.6 12 91 1.7 2.0 11 --- --- --- --- --- --- 2.0 1.6 14 93 1.6 2.0 12 --- --- --- --- --- --- 2.0 1.7 14 84 1.7 2.0 13 --- --- --- --- --- --- 2.0 2.1 15 80 1.9 2.0 14 --- --- --- --- --- --- 2.0 1.8 20 90 3.2 2.0 15 --- --- --- --- --- --- 2.0 1.8 11 79 1.9 1.9 16 --- --- --- --- --- --- 2.0 1.8 17 40 1.7 2.0 17 --- --- --- --- --- --- 2.0 1.8 11 11 1.7 2.0 18 --- --- --- --- --- --- 2.0 1.8 1.7 6.6 1.6 1.9 19 --- --- --- --- --- --- 1.9 1.8 1.9 3.5 2.4 1.9 20 --- --- --- --- --- --- 1.9 1.8 1.6 4.3 5.0 1.9 21 --- --- --- --- --- --- 1.8 1.8 1.5 3.5 2.5 1.9 22 --- --- --- --- --- --- 1.7 1.8 1.6 2.3 2.1 1.9 23 --- --- --- --- --- --- 1.7 1.8 1.6 1.7 1.8 1.9 24 --- --- --- --- --- --- 1.7 1.8 1.6 1.2 1.8 1.9 25 --- --- --- --- --- --- 1.8 1.8 1.6 1.2 2.0 1.9 26 --- --- --- --- --- --- 1.8 1.8 1.7 1.2 2.0 1.9 27 --- --- --- --- --- --- 1.8 1.8 1.7 1.2 2.0 1.9 28 --- --- --- --- --- --- 1.5 1.8 1.7 1.2 2.1 1.9 29 --- --- --- --- --- --- 1.5 1.8 1.6 1.2 2.0 1.9 30 --- --- --- --- --- --- 1.8 1.8 1.7 1.2 2.4 1.9 31 --- --- --- --- --- --- --- 1.8 --- 1.2 2.1 --- TOTAL --- --- --- --- --- --- --- 56.5 158.6 707.5 60.6 58.8 MEAN --- --- --- --- --- --- --- 1.82 5.29 22.8 1.95 1.96 MAX --- --- --- --- --- --- --- 2.1 20 93 5.0 2.1 MIN --- --- --- --- --- --- --- 1.6 1.4 1.2 1.2 1.9 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 1.9 1.5 1.8 5.0 2.1 6.4 2.9 3.5 2.3 2.8 3.3 2.6 2 1.9 1.4 1.8 2.7 2.4 5.8 2.8 3.1 2.3 2.8 2.9 2.7 3 1.9 1.3 1.8 2.4 2.3 4.5 2.7 2.9 2.3 2.8 2.6 2.7 4 1.9 1.3 1.8 2.4 2.3 4.0 2.5 2.7 2.5 3.4 2.5 2.7 5 1.9 1.4 1.7 2.0 2.3 3.7 2.4 2.6 2.4 2.6 2.5 2.7 6 2.2 1.4 1.7 1.9 2.6 3.5 45 2.5 2.6 2.6 3.9 8.0 7 1.9 1.4 1.6 1.9 4.5 3.3 76 2.4 2.5 2.6 2.8 3.4 8 1.7 1.4 1.6 1.9 3.1 5.4 78 2.3 2.3 2.6 2.6 2.9 9 2.5 1.4 1.7 2.0 2.7 4.2 76 2.3 2.3 2.6 2.6 2.8 10 3.0 1.4 1.7 2.1 2.5 3.9 70 2.5 2.3 2.6 4.2 2.7 11 1.7 1.6 1.9 2.0 2.5 3.6 64 2.5 2.5 4.0 3.3 2.7 12 1.6 1.7 2.7 2.0 2.4 3.4 74 2.6 2.5 2.9 2.6 6.0 13 1.6 1.7 1.8 2.0 2.4 3.2 68 2.6 2.6 2.6 2.5 3.6 14 1.7 1.7 1.8 2.0 2.3 3.1 54 4.0 2.9 2.6 2.5 3.1 15 1.6 1.7 1.7 2.0 2.2 2.9 48 2.7 2.7 2.5 2.5 2.9 16 1.7 1.7 1.7 2.2 5.6 2.8 46 2.6 3.5 2.5 2.6 2.8 17 1.7 1.8 1.7 2.2 3.4 2.7 46 2.5 2.8 2.5 2.5 2.7 18 1.6 1.7 1.7 3.7 2.7 2.7 46 2.5 5.0 2.5 2.6 2.7 19 1.6 1.6 1.7 4.6 2.6 4.3 46 2.6 4.5 2.5 2.6 2.8 20 45 2.8 1.7 3.0 2.4 3.1 60 2.5 2.9 2.5 2.5 2.8 21 72 1.4 1.7 3.0 2.5 2.9 88 2.4 2.8 2.5 2.5 2.7 22 58 1.1 1.7 7.0 2.7 2.8 98 2.4 2.8 2.5 2.5 2.7 23 1.5 1.1 1.8 3.5 2.6 2.7 98 2.3 2.8 2.5 2.5 2.7 24 1.3 1.1 2.2 2.8 2.5 2.7 98 2.3 2.8 2.6 2.5 2.7 25 1.3 1.1 1.8 3.5 2.4 6.6 90 2.2 3.1 2.6 2.5 2.7 26 1.2 1.6 1.7 2.7 2.4 4.2 88 2.2 2.9 2.6 2.5 2.7 27 1.0 1.5 1.7 2.5 6.6 3.4 94 2.3 2.9 2.5 2.5 2.7 28 1.1 1.5 1.7 2.4 5.4 3.1 92 2.7 2.8 2.5 2.5 2.7 29 1.3 1.6 1.7 2.3 --- 3.1 38 2.7 2.8 2.5 2.5 2.7 30 1.2 2.7 1.7 2.3 --- 3.5 7.0 2.4 2.8 2.5 2.6 2.8 31 1.4 --- 1.8 2.2 --- 3.5 --- 2.3 --- 2.5 2.8 --- TOTAL 221.9 46.6 55.1 84.2 82.4 115.0 1701.3 80.1 84.2 82.3 84.0 92.4 MEAN 7.16 1.55 1.78 2.72 2.94 3.71 56.7 2.58 2.81 2.65 2.71 3.08 MAX 72 2.8 2.7 7.0 6.6 6.6 98 4.0 5.0 4.0 4.2 8.0 MIN 1.0 1.1 1.6 1.9 2.1 2.7 2.4 2.2 2.3 2.5 2.5 2.6 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 2.7 2.7 2.3 2.3 2.1 2.0 1.9 1.3 1.1 1.1 0.95 1.1 2 2.7 2.7 2.3 2.7 2.0 2.0 1.4 1.3 1.1 1.0 1.3 1.1 3 2.7 2.8 2.3 2.8 2.2 2.0 1.3 1.3 1.2 1.0 1.0 1.1 4 2.7 2.8 2.3 2.5 2.3 2.2 1.3 1.3 1.2 1.0 1.3 1.3 5 2.7 2.8 2.3 2.3 2.3 2.0 1.3 1.3 1.1 1.0 1.0 1.2 6 2.6 2.8 2.3 2.3 2.3 2.0 1.8 1.3 1.1 1.0 0.99 1.2 7 2.6 2.8 2.3 2.4 2.3 2.0 1.3 1.2 1.1 1.0 1.0 1.1 8 2.6 2.8 2.3 2.3 2.3 2.0 1.3 1.2 1.6 1.0 0.96 1.2 9 2.6 2.9 2.3 2.3 2.3 2.2 1.3 1.2 1.7 1.0 0.95 2.4 10 2.5 2.9 2.3 2.4 2.3 3.7 1.3 1.2 1.9 0.98 0.95 1.2 11 2.6 2.8 2.3 2.3 2.3 2.2 1.3 1.3 1.1 0.96 0.99 1.2 12 2.6 2.8 2.3 2.3 2.3 2.2 1.4 1.2 1.1 0.96 0.97 67 13 2.5 2.8 2.3 2.3 2.3 2.1 1.3 1.2 1.0 0.94 0.96 157 14 2.6 2.8 2.4 2.3 2.3 2.1 1.3 1.2 1.0 0.94 0.99 159 15 2.6 2.8 2.5 2.3 2.3 2.2 1.3 1.2 1.0 0.94 0.97 164 16 2.6 2.9 2.3 2.3 2.3 2.2 1.3 1.2 1.1 2.0 0.96 108 17 2.5 3.4 2.3 2.4 2.3 2.1 1.3 1.2 1.1 1.0 0.96 110 18 2.4 2.4 2.3 2.4 2.3 2.2 1.3 1.2 1.1 0.94 1.1 110 19 2.4 2.4 2.4 2.4 2.8 2.2 3.3 1.2 1.1 0.90 0.96 98 20 2.4 2.5 2.4 2.5 2.3 2.1 1.3 1.2 1.1 0.89 0.93 86 21 2.4 2.5 2.4 2.3 2.1 2.0 1.3 1.2 1.1 0.90 0.99 85 22 2.4 2.4 2.4 2.3 2.0 2.0 1.3 1.2 1.0 0.90 1.1 96 23 2.5 2.4 2.3 2.3 2.0 2.0 2.0 1.1 1.0 0.94 1.1 111 24 2.5 2.4 2.3 2.2 2.0 2.0 1.5 1.2 1.0 0.93 1.1 94 25 2.5 2.4 2.3 2.2 2.0 2.1 1.4 1.2 1.0 0.89 1.1 120 26 2.6 2.4 2.3 2.1 2.0 2.1 1.4 1.1 4.3 0.89 1.0 92 27 2.8 2.8 2.3 2.1 2.0 2.1 1.3 1.1 3.3 0.90 1.0 86 28 2.7 2.3 2.4 2.1 2.0 2.1 1.3 1.1 1.1 0.94 1.2 78 29 2.7 2.3 2.3 2.2 2.0 2.1 1.3 1.1 1.1 0.92 1.2 23 30 2.6 2.3 2.3 2.2 --- 2.0 1.3 1.1 1.1 0.97 1.2 4.7 31 2.7 --- 2.3 2.2 --- 2.0 --- 1.1 --- 0.98 1.2 --- TOTAL 80.0 79.8 72.1 72.0 64.0 66.2 43.4 37.2 39.8 30.71 32.38 1862.8 MEAN 2.58 2.66 2.33 2.32 2.21 2.14 1.45 1.20 1.33 0.99 1.04 62.1 MAX 2.8 3.4 2.5 2.8 2.8 3.7 3.3 1.3 4.3 2.0 1.3 164 MIN 2.4 2.3 2.3 2.1 2.0 2.0 1.3 1.1 1.0 0.89 0.93 1.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 1.4 1.2 1.2 1.2 0.90 0.90 0.90 0.99 0.76 0.82 0.98 1.1 2 1.3 1.1 1.2 1.0 0.90 1.1 0.90 0.94 0.75 0.81 0.99 1.0 3 1.8 1.1 1.2 1.3 0.90 1.3 0.90 0.90 0.76 0.87 0.96 1.0 4 1.3 1.1 1.2 1.1 0.90 0.99 0.91 1.2 0.76 0.95 0.95 1.0 5 1.3 1.4 1.2 1.0 0.90 0.97 0.96 1.1 0.88 0.99 0.94 1.1 6 1.2 1.2 1.2 0.96 0.90 0.94 0.94 1.3 0.93 0.87 0.94 1.0 7 1.2 1.3 1.2 0.96 0.90 0.90 0.97 1.1 0.91 0.85 0.94 1.0 8 1.1 1.2 1.2 0.96 0.90 0.90 1.0 1.1 0.90 0.84 0.96 1.0 9 1.1 1.3 1.2 0.96 0.87 0.90 1.3 1.3 1.3 0.84 0.96 0.99 10 1.1 1.3 1.2 0.96 0.90 0.90 1.7 1.6 0.89 0.86 0.96 0.99 11 1.1 1.3 1.2 0.96 0.90 0.90 1.3 1.0 0.87 0.85 0.96 0.99 12 1.1 1.3 1.2 0.96 0.90 0.89 0.98 1.0 0.86 0.86 0.95 0.98 13 1.1 1.3 1.2 0.96 0.90 0.86 0.94 1.2 0.85 0.90 0.94 0.98 14 1.1 1.3 1.2 0.96 0.90 0.84 0.90 1.1 0.85 0.85 1.0 0.97 15 1.1 1.3 1.2 0.96 0.89 0.86 0.99 1.1 0.85 1.1 1.0 0.99 16 1.1 1.3 1.2 0.96 0.88 0.87 0.94 1.0 0.91 0.93 1.0 0.99 17 1.1 1.3 1.2 0.96 0.90 0.86 0.90 0.98 0.91 0.88 1.0 0.99 18 1.1 1.3 1.2 0.96 0.93 0.87 0.90 1.0 0.87 0.84 1.0 0.99 19 1.1 1.3 1.2 0.96 0.96 0.88 0.90 0.93 2.2 1.3 1.0 1.0 20 1.1 1.2 1.1 0.94 0.97 0.90 0.93 0.90 1.2 1.2 1.0 1.0 21 1.1 1.2 1.1 0.90 2.0 0.90 0.90 1.0 1.1 0.98 1.0 3.3 22 1.1 1.2 1.0 0.90 1.1 0.90 0.90 1.0 1.0 0.90 1.0 3.4 23 1.1 1.2 1.0 0.90 0.95 1.3 0.91 0.81 0.88 1.2 1.0 1.1 24 1.1 1.2 1.0 0.93 0.94 1.3 0.90 1.0 0.86 1.1 1.0 0.99 25 1.1 1.2 1.0 0.90 0.90 0.95 0.90 0.80 0.93 0.97 1.1 1.0 26 1.1 1.2 1.0 0.90 0.90 0.90 0.90 0.90 0.84 0.94 1.1 1.0 27 1.1 1.2 1.0 0.92 0.90 0.90 0.90 0.93 0.84 0.94 1.2 1.0 28 1.1 1.2 1.0 0.90 0.98 0.90 0.90 0.88 0.83 1.0 1.1 1.1 29 1.1 1.2 1.0 0.90 --- 0.90 0.90 0.78 0.84 0.94 1.0 1.3 30 1.1 1.2 1.0 0.91 --- 0.90 0.90 0.81 0.83 0.98 1.0 1.5 31 1.1 --- 1.1 0.90 --- 0.92 --- 0.78 --- 1.0 1.0 --- TOTAL 35.9 37.1 35.1 29.94 26.77 29.30 29.17 31.43 28.16 29.36 30.93 35.75 MEAN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 1.00 1.19 MAX 1.8 1.4 1.2 1.3 2.0 1.3 1.7 1.6 2.2 1.3 1.2 3.4 MIN 1.1 1.1 1.0 0.90 0.87 0.84 0.90 0.78 0.75 0.81 0.94 0.97 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 4.9 1.9 1.8 1.7 1.5 1.6 1.5 1.5 9.3 32 2.2 1.7 2 3.4 1.9 1.8 1.5 1.5 1.6 1.5 1.5 9.5 33 2.8 1.4 3 2.1 1.9 1.8 1.5 1.5 1.6 1.5 1.5 9.6 33 3.6 1.3 4 2.0 1.8 1.8 1.5 1.6 1.6 1.5 1.5 9.5 33 3.5 1.3 5 1.9 1.8 1.7 1.5 1.5 1.6 1.5 1.6 9.5 34 3.5 1.3 6 1.8 1.8 1.7 1.7 1.5 1.6 1.5 1.6 9.9 33 3.5 1.3 7 1.6 1.8 1.8 2.0 1.5 1.6 1.6 1.5 10 32 3.5 1.3 8 1.6 1.8 3.3 2.6 1.5 1.6 1.5 13 9.9 32 5.4 1.3 9 1.6 2.0 2.5 1.7 1.5 1.7 1.5 32 9.7 32 4.1 1.4 10 1.6 1.8 1.8 1.6 1.5 1.7 1.5 32 10 27 4.1 1.3 11 1.6 1.8 1.7 1.6 1.5 1.6 1.6 26 10 25 4.1 1.3 12 1.6 1.8 2.0 1.6 1.5 1.6 1.6 5.7 12 25 4.0 1.3 13 1.6 1.7 1.9 1.6 1.5 1.6 1.6 5.6 28 25 3.7 1.3 14 1.6 1.7 1.7 1.6 1.5 1.6 1.6 5.7 29 24 3.7 1.3 15 1.7 2.1 1.6 1.6 1.5 1.6 1.6 12 30 24 3.7 1.2 16 1.6 1.9 1.6 1.6 2.0 1.6 1.6 5.9 28 23 3.7 1.1 17 1.7 1.7 1.6 1.6 1.7 2.0 1.6 5.7 28 24 3.6 1.2 18 2.0 1.7 1.6 1.6 1.6 1.8 1.6 5.8 29 26 3.3 1.2 19 1.8 1.7 1.8 1.5 1.9 1.7 4.7 5.8 31 24 3.3 1.1 20 1.8 1.8 1.7 1.5 1.5 1.7 2.6 5.6 36 18 3.3 1.1 21 1.8 1.8 1.6 1.5 1.5 1.6 1.6 5.6 42 3.2 3.3 1.1 22 1.8 1.7 1.6 1.5 1.6 1.6 1.5 5.8 44 3.0 6.9 1.1 23 1.8 2.3 1.6 1.5 1.6 1.6 1.5 5.5 47 2.9 4.1 1.1 24 1.8 1.8 1.6 1.5 1.6 4.0 1.5 5.9 47 2.8 4.1 0.98 25 1.8 1.8 1.6 1.7 1.6 1.7 1.5 8.3 44 2.7 4.0 1.0 26 1.8 1.8 1.6 1.7 1.6 1.6 1.5 8.6 35 2.7 3.7 1.0 27 1.8 1.8 1.5 1.5 1.6 1.6 1.5 8.4 35 2.5 3.7 1.0 28 1.8 1.9 1.5 1.5 1.6 1.5 1.6 10 34 2.5 3.3 1.0 29 1.8 1.9 1.5 1.5 --- 1.6 1.6 8.7 33 2.5 2.7 1.1 30 1.9 1.8 1.5 1.5 --- 1.6 1.5 9.1 33 2.3 2.7 1.2 31 1.9 --- 1.7 1.5 --- 1.6 --- 9.3 --- 2.3 3.0 --- TOTAL 59.5 55.0 54.5 50.0 44.0 53.0 50.5 256.7 751.9 588.4 114.1 36.28 MEAN 1.92 1.83 1.76 1.61 1.57 1.71 1.68 8.28 25.1 19.0 3.68 1.21 MAX 4.9 2.3 3.3 2.6 2.0 4.0 4.7 32 47 34 6.9 1.7 MIN 1.6 1.7 1.5 1.5 1.5 1.5 1.5 1.5 9.3 2.3 2.2 0.98 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 2.9 1.1 1.6 4.2 3.2 110 1.4 2.0 103 174 8.5 2 1.1 1.7 1.2 2.1 3.4 6.1 115 1.4 1.8 92 220 8.4 3 1.1 1.4 1.3 1.5 3.1 16 122 1.4 1.6 101 161 8.6 4 1.2 1.2 1.3 1.4 3.0 9.7 120 2.0 1.3 101 157 8.3 5 1.1 1.1 1.2 1.4 2.8 6.5 116 4.4 1.1 100 147 14 6 1.2 1.2 1.3 1.3 2.8 5.5 118 5.1 0.90 99 149 15 7 1.2 1.5 0.90 1.5 7.4 5.1 116 2.8 1.0 99 149 14 8 1.2 1.7 2.4 1.3 5.6 4.8 115 2.3 1.2 70 154 14 9 1.2 3.0 1.0 1.6 4.4 4.8 112 1.8 1.5 5.5 157 14 10 12 2.5 0.90 2.2 3.7 4.6 110 1.6 1.7 6.4 165 14 11 12 2.0 1.3 3.7 3.4 4.5 108 1.8 1.3 3.9 164 13 12 38 1.5 1.4 2.5 3.2 4.4 106 2.0 1.2 53 164 13 13 7.9 1.3 1.5 2.2 3.2 5.5 104 2.4 2.0 132 164 14 14 4.6 1.3 1.4 2.2 3.1 5.1 97 2.3 2.7 143 172 14 15 3.9 1.2 1.2 2.2 2.9 4.8 95 1.7 1.9 145 177 14 16 3.7 1.2 1.3 2.4 2.9 4.5 91 1.4 1.2 134 172 15 17 3.6 1.1 1.5 2.0 2.8 4.7 80 1.2 0.90 141 174 15 18 3.4 1.3 1.6 2.0 2.8 4.8 23 1.1 1.6 153 103 15 19 3.5 1.5 1.7 3.8 2.8 4.5 18 1.3 1.6 147 29 15 20 3.5 1.8 2.4 3.1 3.0 4.5 14 1.5 2.8 90 22 15 21 3.5 1.5 1.8 2.5 3.0 4.6 10 1.8 74 98 9.2 13 22 13 1.4 1.7 2.4 2.9 11 5.0 1.5 8.1 105 5.7 11 23 28 1.6 1.5 2.3 3.1 52 3.0 1.0 103 127 6.0 2.4 24 6.9 1.5 1.4 4.4 3.1 51 2.2 0.80 102 135 4.8 2.3 25 6.1 1.3 1.5 3.2 3.0 45 1.9 1.7 93 147 6.1 3.9 26 6.1 1.2 1.6 2.7 3.0 80 1.7 1.9 80 142 5.2 1.6 27 5.9 1.4 1.4 2.5 3.0 105 1.6 1.5 82 157 4.5 1.4 28 5.4 2.3 1.4 2.6 3.1 104 1.6 1.1 91 136 4.3 1.4 29 4.6 1.5 1.3 2.3 --- 110 1.5 1.6 100 141 4.3 18 30 3.9 1.0 1.3 13 --- 113 1.5 1.9 103 144 4.4 18 31 3.7 --- 1.2 6.7 --- 109 --- 1.7 --- 136 4.2 --- TOTAL 193.8 47.1 44.00 86.6 94.7 898.2 1920.0 57.40 867.40 3386.8 3032.7 334.8 MEAN 6.25 1.57 1.42 2.79 3.38 29.0 64.0 1.85 28.9 109 97.8 11.2 MAX 38 3.0 2.4 13 7.4 113 122 5.1 103 157 220 18 MIN 1.1 1.0 0.90 1.3 2.8 3.2 1.5 0.80 0.90 3.9 4.2 1.4 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1991, BY WATER YEAR (WY) MEAN 3.81 1.77 1.68 2.08 2.21 7.49 25.0 2.79 10.7 25.9 18.0 13.4 MAX 7.16 2.66 2.33 2.79 3.38 29.0 64.0 8.28 28.9 109 97.8 62.1 (WY) 1987 1988 1988 1991 1991 1991 1991 1990 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 1.00 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 SUMMARY STATISTICS FOR 1990 CALENDAR YEAR FOR 1991 WATER YEAR WATER YEARS 1986 - 1991 ANNUAL TOTAL 723.50 10963.50 ANNUAL MEAN 1.98 30.0 10.2 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 38 Oct 12 220 Aug 2 220 Aug 2 1991 LOWEST DAILY MEAN 0.50 Jun 7 0.80 May 24 0.75 Jun 2 1989 ANNUAL SEVEN-DAY MINIMUM 1.1 Jun 1 1.2 Oct 2 0.77 May 29 1989 MAXIMUM PEAK STAGE 5.57 Aug 2 5.57 Aug 2 1991 10 PERCENT EXCEEDS 2.6 117 14 50 PERCENT EXCEEDS 1.4 3.4 1.8 90 PERCENT EXCEEDS 1.2 1.3 0.97 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 17 2.1 2.2 1.7 1.7 1.7 1.6 1.3 1.0 1.4 1.2 1.2 2 18 2.1 2.2 1.7 1.7 1.7 1.6 1.3 1.1 2.1 1.2 1.2 3 19 2.1 2.5 1.9 1.7 1.7 1.6 1.3 2.7 1.5 1.2 1.2 4 19 2.1 2.2 1.7 1.7 1.7 1.6 1.3 0.60 1.4 1.2 1.5 5 19 2.1 2.2 1.2 1.7 1.8 1.6 1.2 1.0 1.3 1.2 1.7 6 19 2.1 2.1 1.4 1.8 2.8 1.6 1.2 0.80 1.2 1.4 1.4 7 18 2.1 2.1 1.6 1.8 2.2 1.6 1.2 0.50 1.2 1.3 1.4 8 18 2.1 2.1 1.8 1.8 1.9 1.6 2.0 10 1.2 1.2 1.3 9 18 2.8 2.1 1.7 1.7 1.7 1.6 1.2 2.5 1.2 1.2 1.3 10 18 2.8 2.1 1.7 1.7 1.7 1.6 1.2 10 1.2 1.2 1.3 11 17 2.3 2.0 1.7 1.7 1.7 2.8 1.2 2.0 1.1 1.2 1.4 12 17 2.2 2.0 1.6 1.7 1.7 1.6 1.2 3.5 1.1 1.2 1.3 13 16 2.2 2.0 1.6 1.7 1.6 1.5 1.2 1.6 1.1 1.2 1.3 14 17 2.2 2.0 3.3 1.7 1.6 1.5 1.2 3.5 1.1 1.5 1.3 15 12 2.2 2.0 1.8 1.8 1.6 1.4 1.2 2.2 1.3 1.6 1.3 16 8.0 2.2 1.9 1.3 1.8 1.6 1.4 1.2 1.8 1.3 1.4 1.3 17 8.6 2.2 1.9 1.1 2.7 1.6 1.4 1.2 1.6 2.4 1.4 1.3 18 5.7 2.2 1.9 1.4 1.9 1.6 1.4 1.1 1.5 1.9 1.3 1.3 19 2.1 2.2 1.9 3.5 1.8 1.8 1.3 1.2 1.4 1.6 1.4 1.3 20 2.1 2.2 1.9 2.0 1.7 1.7 1.8 1.2 1.4 1.6 1.7 1.3 21 2.1 2.2 1.9 1.5 1.7 1.6 2.5 1.1 1.3 1.4 1.3 1.3 22 2.1 2.2 1.9 1.8 1.6 1.6 2.0 1.1 1.3 1.4 1.4 1.3 23 2.1 2.2 1.9 3.1 5.0 1.6 1.5 1.1 1.3 1.4 1.3 1.4 24 2.1 2.2 1.9 2.0 2.2 1.6 1.4 1.1 1.3 1.3 1.3 1.5 25 2.1 2.2 1.8 2.0 2.0 1.8 1.4 1.1 1.3 1.3 1.3 1.4 26 2.0 2.2 1.8 1.9 1.9 2.2 1.4 1.2 1.3 1.3 1.3 1.3 27 2.0 2.2 1.8 1.8 1.9 1.7 1.4 1.2 1.3 1.3 1.3 1.3 28 2.0 2.2 4.0 1.8 1.8 1.6 1.3 1.2 1.3 1.3 1.3 1.3 29 2.0 2.2 2.3 1.7 1.8 1.6 1.3 1.2 1.3 1.3 1.3 1.3 30 2.1 2.2 1.8 1.7 --- 1.6 1.3 1.1 1.4 1.3 1.3 1.3 31 2.1 --- 1.8 1.7 --- 1.6 --- 1.1 --- 1.3 1.2 --- TOTAL 311.2 66.5 64.2 56.7 55.7 53.9 47.6 37.6 63.80 42.8 40.5 40.0 MEAN 10.0 2.22 2.07 1.83 1.92 1.74 1.59 1.21 2.13 1.38 1.31 1.33 MAX 19 2.8 4.0 3.5 5.0 2.8 2.8 2.0 10 2.4 1.7 1.7 MIN 2.0 2.1 1.8 1.1 1.6 1.6 1.3 1.1 0.50 1.1 1.2 1.2 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1992, BY WATER YEAR (WY) MEAN 4.85 1.84 1.75 2.04 2.16 6.54 21.1 2.57 9.49 22.4 15.6 11.7 MAX 10.0 2.66 2.33 2.79 3.38 29.0 64.0 8.28 28.9 109 97.8 62.1 (WY) 1992 1988 1988 1991 1991 1991 1991 1990 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 1.00 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 SUMMARY STATISTICS FOR 1991 CALENDAR YEAR FOR 1992 WATER YEAR WATER YEARS 1986 - 1992 ANNUAL TOTAL 0.00 880.50 ANNUAL MEAN 0.000 2.41 8.92 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 126 Feb 17 19 Oct 3 220 Aug 2 1991 LOWEST DAILY MEAN 0.82 Aug 17 0.50 Jun 7 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 0.87 Aug 15 1.1 Jun 1 0.77 May 29 1989 MAXIMUM PEAK FLOW 54 Jun 8 MAXIMUM PEAK STAGE 1.99 Jun 8 5.57 Aug 2 1991 10 PERCENT EXCEEDS 19 2.4 10 50 PERCENT EXCEEDS 2.1 1.6 1.8 90 PERCENT EXCEEDS 1.1 1.2 1.0 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 1.3 1.4 1.5 1.6 8.3 108 12 1.7 1.7 1.5 0.99 1.1 2 1.3 1.6 1.5 1.6 8.4 106 2.5 1.7 3.4 1.5 0.99 1.1 3 1.3 1.6 1.5 1.6 8.3 111 1.8 1.7 1.8 1.4 0.99 1.1 4 2.5 1.6 1.5 1.6 8.3 113 2.0 1.9 1.7 1.4 0.97 1.1 5 1.4 1.6 1.5 1.6 8.6 110 6.0 1.6 1.7 1.4 0.96 6.0 6 1.3 1.6 1.6 2.1 65 109 2.5 1.6 1.6 1.4 0.93 1.8 7 1.3 1.6 1.6 3.6 113 109 2.1 1.2 1.6 1.4 1.5 1.2 8 1.5 1.6 1.6 14 68 108 2.1 1.1 1.6 1.4 1.2 1.2 9 6.4 1.6 1.6 4.7 7.8 107 2.3 3.2 1.6 1.4 1.1 1.1 10 1.4 1.6 2.0 3.4 7.6 107 2.4 4.2 1.6 1.4 1.0 1.1 11 1.3 1.6 1.6 3.4 39 107 2.0 4.7 1.9 1.3 0.93 1.1 12 1.3 2.5 1.6 6.1 11 107 2.2 4.9 2.6 1.3 0.92 1.1 13 1.3 2.2 1.5 4.5 11 115 3.0 6.5 2.5 1.3 0.87 1.1 14 1.3 1.5 1.5 3.4 11 109 4.3 6.7 1.9 1.3 0.94 1.1 15 1.3 1.4 1.5 2.9 64 101 3.2 6.4 1.7 1.3 0.98 1.1 16 1.3 1.4 1.5 2.8 116 100 3.2 5.0 1.7 1.3 0.91 1.1 17 1.3 1.4 1.5 2.6 126 108 3.2 4.1 1.6 1.3 0.82 1.3 18 1.3 1.4 1.6 2.5 98 34 3.2 2.2 1.6 1.6 0.82 1.5 19 1.3 1.4 1.6 2.4 10 5.0 3.0 2.3 1.6 1.6 0.82 1.3 20 1.3 1.4 1.5 2.3 10 15 2.9 1.6 1.5 1.5 0.82 1.3 21 1.3 3.5 1.5 3.8 11 14 2.9 1.5 1.5 1.4 0.90 3.9 22 1.3 2.9 1.5 2.9 12 13 2.9 1.3 1.5 1.3 1.1 1.6 23 1.3 2.4 1.5 5.1 10 15 2.9 1.2 1.5 1.4 0.84 1.4 24 1.3 1.6 1.5 83 60 14 2.9 12 1.5 2.9 0.82 1.4 25 1.3 1.6 1.5 21 46 14 2.9 1.2 1.5 1.4 0.84 1.3 26 1.3 2.7 1.5 8.1 37 17 2.9 1.2 1.7 1.2 0.99 1.3 27 1.3 1.6 1.5 7.9 107 15 7.6 1.1 1.7 1.2 0.93 1.3 28 1.3 1.6 1.8 14 108 14 3.5 1.1 1.6 1.1 1.0 1.3 29 1.3 1.5 1.6 38 --- 14 3.1 1.7 1.5 1.1 0.99 1.4 30 1.4 1.5 1.6 8.5 --- 14 3.1 1.6 1.5 1.0 0.99 1.4 31 1.4 --- 1.6 8.3 --- 16 --- 1.6 --- 0.99 1.0 --- TOTAL 47.2 52.9 48.4 269.3 1190.3 2049.0 100.6 89.8 52.4 42.99 29.86 45.1 MEAN 1.52 1.76 1.56 8.69 42.5 66.1 3.35 2.90 1.75 1.39 0.96 1.50 MAX 6.4 3.5 2.0 83 126 115 12 12 3.4 2.9 1.5 6.0 MIN 1.3 1.4 1.5 1.6 7.6 5.0 1.8 1.1 1.5 0.99 0.82 1.1 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1993, BY WATER YEAR (WY) MEAN 4.38 1.83 1.72 2.99 7.87 15.0 18.5 2.61 8.53 19.8 13.8 10.4 MAX 10.0 2.66 2.33 8.69 42.5 66.1 64.0 8.28 28.9 109 97.8 62.1 (WY) 1992 1988 1988 1993 1993 1993 1991 1990 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 0.96 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1993 1989 SUMMARY STATISTICS FOR 1992 CALENDAR YEAR FOR 1993 WATER YEAR WATER YEARS 1986 - 1993 ANNUAL TOTAL 3584.80 4017.85 ANNUAL MEAN 9.82 11.0 9.22 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 62 Mar 26 126 Feb 17 220 Aug 2 1991 LOWEST DAILY MEAN 1.3 Oct 1 0.82 Aug 17 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 1.3 Oct 11 0.87 Aug 15 0.77 May 29 1989 MAXIMUM PEAK FLOW 219 Jan 24 219 Jan 24 1993 MAXIMUM PEAK STAGE 3.46 Jan 24 5.57 Aug 2 1991 10 PERCENT EXCEEDS 23 15 12 50 PERCENT EXCEEDS 5.7 1.6 1.8 90 PERCENT EXCEEDS 1.5 1.1 1.0 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 1.4 1.5 1.8 14 22 17 25 8.1 5.8 5.0 5.2 4.3 2 1.4 1.5 1.8 13 22 20 26 5.7 5.7 4.9 4.4 6.2 3 1.4 1.4 1.8 15 21 16 25 5.3 5.9 5.1 4.3 4.6 4 1.4 1.4 1.8 14 21 16 25 6.4 6.1 5.1 4.3 4.5 5 1.3 1.7 1.9 14 23 16 25 6.4 5.8 5.1 4.3 4.3 6 1.3 1.4 1.9 14 22 16 26 6.3 5.7 5.0 4.4 4.3 7 1.3 1.4 1.8 14 22 16 25 6.2 4.2 4.9 4.4 4.3 8 1.3 1.4 1.7 14 23 16 26 6.3 3.4 4.9 4.3 4.3 9 1.4 1.5 1.7 14 23 15 27 6.7 4.8 4.9 4.3 4.3 10 1.4 1.5 1.8 14 22 15 29 7.0 4.9 4.8 4.9 4.3 11 1.5 1.5 1.9 14 22 14 28 7.0 4.6 5.0 5.6 4.3 12 1.5 1.4 1.9 21 22 15 29 7.0 5.0 6.0 5.8 4.3 13 1.4 1.4 1.9 23 22 15 29 6.8 4.7 6.6 6.5 4.5 14 1.4 1.6 2.2 23 22 16 29 6.7 4.6 5.9 5.8 4.6 15 1.4 1.6 2.0 21 22 17 28 6.9 4.8 5.5 5.8 4.6 16 1.5 1.7 1.9 22 22 16 28 7.3 5.7 5.5 6.5 4.7 17 1.6 1.7 1.9 23 22 17 28 6.7 5.7 5.6 4.7 4.7 18 1.5 1.8 5.6 23 22 22 27 6.5 5.8 5.6 4.5 4.9 19 1.5 1.9 14 23 20 17 27 6.5 5.6 5.6 4.4 4.8 20 1.4 1.9 14 23 15 17 32 6.5 5.6 6.7 4.3 4.7 21 1.4 1.9 14 23 15 17 33 6.5 5.6 5.7 5.0 4.7 22 1.4 1.9 13 23 15 24 33 6.5 5.8 6.9 4.5 4.7 23 1.4 1.9 13 22 16 37 33 6.3 6.0 5.9 4.3 4.7 24 1.4 1.9 13 22 17 39 33 6.3 6.1 5.7 4.3 5.0 25 1.5 2.0 13 22 16 56 12 6.3 6.2 5.7 4.2 4.6 26 1.5 1.9 13 22 16 62 9.4 6.3 6.0 5.7 4.1 4.5 27 1.5 3.0 13 22 16 58 9.2 6.2 7.7 6.4 4.1 4.4 28 0.76 1.8 13 23 15 26 11 6.1 4.6 6.3 4.1 4.3 29 1.4 1.7 13 22 --- 26 8.4 6.1 2.8 5.9 4.1 4.3 30 3.9 1.8 13 22 --- 26 8.3 6.1 4.4 5.9 4.1 4.3 31 1.6 --- 13 22 --- 26 --- 6.1 --- 5.8 4.2 --- TOTAL 46.06 51.0 209.3 601 558 726 734.3 201.1 159.6 173.6 145.7 137.0 MEAN 1.49 1.70 6.75 19.4 19.9 23.4 24.5 6.49 5.32 5.60 4.70 4.57 MAX 3.9 3.0 14 23 23 62 33 8.1 7.7 6.9 6.5 6.2 MIN 0.76 1.4 1.7 13 15 14 8.3 5.3 2.8 4.8 4.1 4.3 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1994, BY WATER YEAR (WY) MEAN 4.01 1.82 2.35 5.04 9.36 16.1 19.3 3.04 8.17 18.2 12.8 9.79 MAX 10.0 2.66 6.75 19.4 42.5 66.1 64.0 8.28 28.9 109 97.8 62.1 (WY) 1992 1988 1994 1994 1993 1993 1991 1990 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 0.96 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1993 1989 SUMMARY STATISTICS FOR 1993 CALENDAR YEAR FOR 1994 WATER YEAR WATER YEARS 1986 - 1994 ANNUAL TOTAL 1829.06 3742.66 ANNUAL MEAN 5.01 10.3 9.35 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 18 Jan 7 62 Mar 26 220 Aug 2 1991 LOWEST DAILY MEAN 0.76 Oct 28 0.76 Oct 28 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 1.3 Oct 2 1.3 Oct 2 0.77 May 29 1989 MAXIMUM PEAK FLOW 103 Apr 28 219 Jan 24 1993 MAXIMUM PEAK STAGE 2.44 Apr 28 5.57 Aug 2 1991 10 PERCENT EXCEEDS 8.5 23 17 50 PERCENT EXCEEDS 3.6 5.8 1.9 90 PERCENT EXCEEDS 1.5 1.5 1.0 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 4.1 6.5 4.4 4.7 2.5 6.5 2.8 8.1 8.0 7.4 6.9 2.9 2 5.0 4.5 4.4 4.6 2.5 5.1 7.5 8.3 8.4 7.3 6.6 2.9 3 6.8 4.3 4.4 9.0 2.4 8.3 8.2 8.4 7.5 7.2 5.6 2.9 4 4.6 4.3 4.6 5.5 2.6 4.4 8.0 8.4 7.3 7.1 2.9 2.9 5 4.4 4.2 4.6 4.6 2.4 3.9 8.0 8.5 12 7.0 3.0 2.8 6 4.3 4.1 4.4 5.1 2.4 3.7 8.1 8.5 10 8.3 3.0 2.9 7 4.1 4.2 4.4 18 2.4 3.7 8.0 8.6 8.5 7.1 3.0 2.9 8 4.2 4.4 4.4 5.1 2.3 9.5 8.0 8.6 8.0 7.2 2.9 2.9 9 4.2 4.4 3.5 4.5 2.3 5.0 8.0 8.5 8.0 7.1 2.9 3.1 10 4.3 4.4 4.4 2.7 2.4 3.6 11 8.5 8.0 7.0 2.9 3.0 11 4.4 4.7 5.0 2.4 3.3 3.4 9.0 8.6 7.6 6.9 2.9 2.9 12 6.9 4.5 4.6 2.3 2.9 3.4 8.2 8.4 8.2 6.5 2.9 2.9 13 11 4.6 4.6 2.3 2.5 3.3 8.1 8.2 8.0 6.6 2.8 3.0 14 5.0 4.5 4.5 7.1 2.4 3.3 8.1 8.2 8.0 6.7 2.8 3.1 15 4.4 4.4 4.4 11 2.4 3.3 8.2 7.8 7.8 6.6 2.8 3.0 16 4.2 4.5 4.4 4.6 2.7 3.3 8.4 7.7 7.6 6.8 2.8 3.0 17 4.1 4.4 4.4 5.6 3.3 3.3 8.7 7.7 7.5 6.8 2.8 2.9 18 4.1 4.4 4.4 3.4 16 3.3 8.8 7.8 7.5 6.6 2.9 2.9 19 4.1 4.4 4.4 2.9 8.3 3.3 8.9 8.3 7.6 7.0 3.0 2.9 20 4.1 4.4 4.4 3.8 5.6 3.2 8.9 7.6 7.6 7.0 3.1 2.9 21 4.1 4.7 4.4 3.0 4.7 3.1 9.0 7.5 7.6 7.0 3.0 2.9 22 4.7 4.4 12 2.9 4.3 3.1 9.2 7.5 7.6 7.0 2.9 2.9 23 4.7 4.4 10 3.5 4.1 3.0 9.0 7.4 7.5 7.7 3.0 2.9 24 4.3 4.3 7.0 4.3 4.0 2.9 8.9 7.3 7.9 7.3 3.1 5.0 25 4.2 4.3 5.6 2.9 3.9 2.9 8.6 7.3 7.4 7.3 3.6 3.2 26 4.2 4.5 5.2 2.7 3.8 2.9 8.4 7.4 7.2 7.4 8.2 3.3 27 4.3 4.9 5.0 2.6 3.7 2.9 8.4 7.5 7.2 6.9 3.7 3.1 28 4.4 4.5 4.9 2.8 4.0 2.9 8.5 7.6 7.6 7.1 3.7 3.0 29 4.4 4.9 4.7 2.9 --- 2.9 8.4 7.7 7.3 7.2 3.6 3.0 30 4.3 4.6 4.7 2.7 --- 2.8 8.2 7.6 7.4 7.2 3.6 3.0 31 4.4 --- 4.7 2.6 --- 2.8 --- 7.8 --- 7.1 3.6 --- TOTAL 146.3 135.6 156.8 142.1 106.1 119.0 249.5 247.3 237.8 219.4 110.5 91.0 MEAN 4.72 4.52 5.06 4.58 3.79 3.84 8.32 7.98 7.93 7.08 3.56 3.03 MAX 11 6.5 12 18 16 9.5 11 8.6 12 8.3 8.2 5.0 MIN 4.1 4.1 3.5 2.3 2.3 2.8 2.8 7.3 7.2 6.5 2.8 2.8 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1995, BY WATER YEAR (WY) MEAN 4.09 2.12 2.65 4.99 8.75 14.7 18.1 3.53 8.15 17.1 11.9 9.11 MAX 10.0 4.52 6.75 19.4 42.5 66.1 64.0 8.28 28.9 109 97.8 62.1 (WY) 1992 1995 1994 1994 1993 1993 1991 1990 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 0.96 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1993 1989 SUMMARY STATISTICS FOR 1994 CALENDAR YEAR FOR 1995 WATER YEAR WATER YEARS 1986 - 1995 ANNUAL TOTAL 2994.8 1961.4 ANNUAL MEAN 8.18 5.37 8.90 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 22 Sep 4 18 Jan 7 220 Aug 2 1991 LOWEST DAILY MEAN 2.7 Feb 21 2.3 Jan 12 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 2.8 Feb 20 2.4 Feb 3 0.77 May 29 1989 MAXIMUM PEAK FLOW 116 Jan 7 219 Jan 24 1993 MAXIMUM PEAK STAGE 2.63 Jan 7 5.57 Aug 2 1991 10 PERCENT EXCEEDS 12 8.4 15 50 PERCENT EXCEEDS 9.9 4.5 2.1 90 PERCENT EXCEEDS 3.5 2.9 1.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 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 2.1 3.8 3.8 5.0 3.0 9.9 11 9.9 9.7 11 15 11 2 3.6 3.7 3.8 3.8 3.3 9.7 11 9.6 9.5 11 11 11 3 3.6 3.7 3.8 3.8 3.2 9.7 11 10 9.6 10 20 11 4 3.9 3.8 3.8 3.8 3.0 9.6 11 10 9.5 10 12 22 5 3.8 3.8 3.7 3.7 3.0 9.7 11 10 9.4 19 13 13 6 3.7 3.8 3.8 3.6 3.1 11 11 9.9 9.3 11 12 12 7 3.5 3.7 5.8 3.9 3.1 11 11 10 9.4 10 11 12 8 3.5 3.6 3.8 3.8 3.1 9.7 10 10 10 10 12 12 9 3.5 3.5 4.1 3.8 3.1 9.3 10 10 9.3 10 12 12 10 3.5 3.4 3.7 3.8 3.0 9.4 10 10 9.1 10 11 13 11 3.5 3.9 3.7 3.8 2.9 9.3 10 10 10 10 12 12 12 3.5 3.5 3.6 3.9 3.0 9.4 11 9.9 11 11 12 12 13 3.5 3.5 3.6 3.8 3.0 9.4 11 9.8 11 11 15 12 14 3.9 3.5 3.6 3.8 2.9 9.5 10 9.7 11 11 14 12 15 3.6 3.5 3.6 3.7 2.9 9.9 10 9.8 11 11 11 12 16 3.6 3.6 3.6 3.6 2.9 9.8 10 9.7 11 11 11 12 17 3.5 3.6 3.6 3.5 2.9 12 10 9.5 11 11 11 12 18 3.4 3.6 3.7 3.5 2.8 10 10 9.5 11 11 11 12 19 3.5 3.6 6.7 3.5 2.9 10 10 9.6 11 10 11 12 20 3.5 3.6 3.8 3.5 2.9 10 10 9.6 11 11 11 12 21 3.5 3.6 3.8 3.4 2.7 10 10 9.8 11 11 12 13 22 3.5 3.7 3.7 3.3 2.7 10 10 9.8 11 11 12 12 23 3.5 3.7 3.7 3.2 2.8 10 10 9.8 11 10 12 12 24 3.5 3.7 3.8 3.1 2.8 10 10 11 11 10 12 12 25 3.5 3.7 3.8 3.0 2.8 10 10 11 11 11 11 12 26 3.5 3.7 3.7 3.0 2.8 10 10 11 11 11 11 12 27 4.2 3.7 3.6 4.7 6.2 11 10 12 10 11 11 13 28 4.4 3.7 3.6 3.1 12 14 9.8 12 10 11 11 14 29 3.8 3.9 3.6 3.1 9.9 11 9.8 10 11 11 11 14 30 3.8 4.0 3.6 3.1 --- 11 10 10 11 11 11 15 31 3.8 --- 3.9 3.2 --- 11 --- 10 --- 11 11 --- TOTAL 111.2 110.1 120.4 111.8 104.7 316.3 308.6 312.9 311.8 339 373 378 MEAN 3.59 3.67 3.88 3.61 3.61 10.2 10.3 10.1 10.4 10.9 12.0 12.6 MAX 4.4 4.0 6.7 5.0 12 14 11 12 11 19 20 22 MIN 2.1 3.4 3.6 3.0 2.7 9.3 9.8 9.5 9.1 10 11 11 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1996, BY WATER YEAR (WY) MEAN 4.04 2.27 2.77 4.85 8.22 14.3 17.3 4.13 8.35 16.5 11.9 9.43 MAX 10.0 4.52 6.75 19.4 42.5 66.1 64.0 10.1 28.9 109 97.8 62.1 (WY) 1992 1995 1994 1994 1993 1993 1991 1996 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 0.96 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1993 1989 SUMMARY STATISTICS FOR 1995 CALENDAR YEAR FOR 1996 WATER YEAR WATER YEARS 1986 - 1996 ANNUAL TOTAL 2897.8 ANNUAL MEAN 7.92 8.81 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 22 Sep 4 220 Aug 2 1991 LOWEST DAILY MEAN 2.1 Oct 1 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 2.8 Feb 20 0.77 May 29 1989 MAXIMUM PEAK FLOW 161 Aug 3 219 Jan 24 1993 MAXIMUM PEAK STAGE 2.49 Aug 3 5.57 Aug 2 1991 10 PERCENT EXCEEDS 12 14 50 PERCENT EXCEEDS 9.8 2.3 90 PERCENT EXCEEDS 3.4 1.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 By mishealy APPROVED DD #15, ,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 9.6 9.7 12 10 10 1.7 1.4 1.4 1.4 1.2 1.3 1.2 2 9.7 10 10 10 10 1.7 1.4 1.4 1.3 1.2 1.3 1.2 3 9.5 9.8 10 10 10 1.7 1.4 1.4 1.2 1.2 1.2 1.2 4 9.5 9.8 10 10 10 1.6 1.4 1.3 1.2 1.1 1.2 1.2 5 9.5 9.7 10 11 10 1.6 1.4 1.3 1.2 1.2 1.4 1.2 6 9.5 9.7 10 10 10 1.6 1.5 1.3 1.9 1.2 1.7 1.1 7 10 9.9 10 10 9.8 1.5 1.4 1.3 1.3 3.4 1.3 1.1 8 14 12 10 11 10 1.5 1.4 1.3 1.3 1.8 1.2 1.1 9 9.8 9.6 10 12 9.8 1.5 1.4 1.3 1.2 11 1.2 1.1 10 9.7 9.7 10 10 9.7 1.5 1.4 1.2 1.2 10 1.3 1.2 11 9.3 9.7 10 10 9.6 1.5 1.4 1.2 1.3 1.8 1.2 1.3 12 9.2 9.8 10 10 9.6 1.4 1.5 1.3 1.3 1.6 1.2 1.2 13 9.4 9.8 10 10 11 1.5 1.4 1.3 1.3 1.4 1.2 1.2 14 9.3 9.8 10 10 14 2.8 1.4 1.3 1.5 1.3 1.2 1.2 15 9.2 10 10 10 13 1.7 1.4 1.3 1.3 1.3 1.2 1.2 16 9.1 10 10 12 10 1.5 1.4 1.2 1.3 1.6 1.2 1.2 17 9.0 10 10 9.8 10 1.5 1.4 1.2 3.1 1.5 1.2 1.2 18 9.2 10 11 9.8 9.9 1.5 1.4 1.2 1.5 1.3 1.2 1.2 19 9.1 10 11 9.8 7.8 2.0 1.4 1.2 1.3 1.2 1.2 1.2 20 9.1 10 9.9 9.6 1.8 1.7 1.4 1.3 1.3 1.2 1.5 1.1 21 9.0 10 10 9.6 1.8 1.6 1.4 1.2 1.3 1.2 1.3 1.1 22 9.0 10 10 9.6 6.0 1.5 1.4 1.3 1.2 1.2 1.2 1.2 23 9.0 10 10 9.8 2.4 1.5 1.8 1.3 1.2 1.4 1.2 1.2 24 8.9 10 10 9.8 2.0 1.5 1.3 1.3 1.2 2.1 1.2 1.6 25 8.9 10 10 10 1.9 1.5 1.3 1.4 1.2 1.4 1.2 3.1 26 8.9 11 10 9.6 1.8 1.5 1.3 1.3 1.2 1.4 1.1 2.8 27 8.9 10 10 9.9 1.7 1.5 1.7 1.5 1.3 1.3 1.2 1.5 28 9.1 10 10 10 1.7 1.5 3.7 1.3 2.2 1.3 1.1 1.5 29 9.3 10 10 10 --- 1.5 1.8 1.3 1.2 1.2 1.1 1.2 30 9.5 10 10 11 --- 1.4 1.4 1.3 1.2 1.3 1.2 1.1 31 9.6 --- 10 10 --- 1.4 --- 1.4 --- 1.5 1.2 --- TOTAL 292.8 300.0 313.9 314.3 215.3 49.4 45.3 40.3 41.6 62.8 38.4 39.9 MEAN 9.45 10.0 10.1 10.1 7.69 1.59 1.51 1.30 1.39 2.03 1.24 1.33 MAX 14 12 12 12 14 2.8 3.7 1.5 3.1 11 1.7 3.1 MIN 8.9 9.6 9.9 9.6 1.7 1.4 1.3 1.2 1.2 1.1 1.1 1.1 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1997, BY WATER YEAR (WY) MEAN 4.53 2.97 3.44 5.33 8.17 13.1 15.8 3.89 7.77 15.3 11.0 8.76 MAX 10.0 10.0 10.1 19.4 42.5 66.1 64.0 10.1 28.9 109 97.8 62.1 (WY) 1992 1997 1997 1994 1993 1993 1991 1996 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 0.96 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1993 1989 SUMMARY STATISTICS FOR 1996 CALENDAR YEAR FOR 1997 WATER YEAR WATER YEARS 1986 - 1997 ANNUAL TOTAL 1754.0 ANNUAL MEAN 4.81 8.44 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 14 Oct 8 220 Aug 2 1991 LOWEST DAILY MEAN 1.1 Jul 4 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 1.1 Sep 3 0.77 May 29 1989 MAXIMUM PEAK FLOW 154 Jul 9 219 Jan 24 1993 MAXIMUM PEAK STAGE 2.48 Jul 9 5.57 Aug 2 1991 10 PERCENT EXCEEDS 10 13 50 PERCENT EXCEEDS 1.5 2.3 90 PERCENT EXCEEDS 1.2 1.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 By mishealy APPROVED DD #15, ,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 1.2 1.9 1.6 2.5 3.7 5.0 5.7 11 2.8 1.9 1.8 1.9 2 1.1 1.7 1.6 2.4 3.5 4.4 5.7 5.6 2.7 1.9 1.8 1.7 3 1.1 1.3 1.6 2.3 17 4.1 21 8.1 2.7 1.9 1.7 8.6 4 1.0 1.3 1.6 2.3 34 3.9 16 12 2.7 1.9 1.7 2.8 5 1.0 1.3 1.5 2.3 13 4.2 7.0 6.0 2.7 1.9 1.7 2.1 6 1.1 1.2 1.5 2.3 7.0 4.8 6.5 5.1 2.7 1.9 1.7 1.9 7 1.1 1.3 1.5 2.3 5.5 13 6.4 4.9 2.6 1.9 1.7 1.7 8 1.1 1.3 1.5 2.7 5.0 e55 6.7 12 2.5 1.9 2.1 1.7 9 1.1 1.3 3.7 2.3 4.4 e53 7.9 5.4 2.7 1.9 3.5 1.7 10 1.1 1.3 4.4 2.2 4.2 12 6.4 5.4 3.7 1.9 2.1 1.6 11 1.1 1.3 2.0 2.1 4.1 7.9 6.2 6.3 2.8 1.8 1.9 1.6 12 1.1 1.4 3.0 2.1 3.9 6.9 6.1 4.7 2.6 1.8 2.5 1.6 13 1.1 3.1 2.0 2.1 3.8 6.6 6.1 4.3 2.5 1.8 2.4 1.6 14 1.1 1.7 2.4 2.2 3.6 6.6 6.7 4.1 2.4 1.8 2.0 1.6 15 1.1 1.5 2.1 4.4 3.5 6.5 6.3 3.8 2.4 2.3 1.9 1.6 16 1.3 1.5 1.9 4.2 3.8 6.4 6.1 3.7 2.3 2.7 1.9 1.6 17 1.1 1.4 1.9 3.2 16 6.4 6.1 3.6 2.3 2.5 1.9 1.6 18 1.2 1.5 1.8 2.7 6.0 6.4 20 3.4 2.3 2.2 1.8 1.6 19 2.2 1.5 1.8 5.1 4.7 14 7.4 3.3 2.3 2.0 1.8 1.7 20 1.1 1.5 1.8 3.7 4.4 7.4 6.4 3.2 2.3 1.9 1.7 1.6 21 1.1 1.6 1.7 3.0 4.1 6.3 6.3 3.2 2.2 1.9 1.7 1.7 22 1.2 1.6 4.3 8.1 6.1 6.1 6.2 3.1 2.2 1.8 1.7 1.7 23 1.1 1.5 2.4 26 11 6.0 5.3 3.1 2.1 1.9 1.7 1.7 24 1.1 1.5 15 8.2 6.2 5.9 4.8 3.0 2.1 1.9 1.7 1.7 25 1.0 1.5 6.6 5.2 4.9 5.9 4.5 3.0 2.1 1.8 1.7 1.7 26 4.4 1.5 3.5 4.1 4.4 5.9 4.2 3.0 2.1 1.8 1.7 1.7 27 1.6 1.5 5.8 14 5.9 5.9 4.1 2.8 2.1 1.9 1.7 1.7 28 1.3 1.6 3.7 7.4 6.1 5.9 3.9 2.9 2.0 1.8 1.6 1.7 29 1.2 1.6 3.2 4.9 --- 5.9 3.8 2.9 2.0 1.8 1.6 1.7 30 1.2 2.7 3.0 4.3 --- 5.8 8.1 2.9 1.9 1.8 1.6 1.9 31 1.3 --- 2.7 4.0 --- 5.7 --- 2.8 --- 1.9 1.9 --- TOTAL 39.8 46.9 93.1 144.6 199.8 299.8 217.9 148.6 72.8 60.1 58.2 59.0 MEAN 1.28 1.56 3.00 4.66 7.14 9.67 7.26 4.79 2.43 1.94 1.88 1.97 MAX 4.4 3.1 15 26 34 55 21 12 3.7 2.7 3.5 8.6 MIN 1.0 1.2 1.5 2.1 3.5 3.9 3.8 2.8 1.9 1.8 1.6 1.6 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1998, BY WATER YEAR (WY) MEAN 4.26 2.86 3.41 5.28 8.09 12.8 15.1 3.96 7.36 14.3 10.3 8.23 MAX 10.0 10.0 10.1 19.4 42.5 66.1 64.0 10.1 28.9 109 97.8 62.1 (WY) 1992 1997 1997 1994 1993 1993 1991 1996 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 0.96 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1993 1989 SUMMARY STATISTICS FOR 1997 CALENDAR YEAR FOR 1998 WATER YEAR WATER YEARS 1986 - 1998 ANNUAL TOTAL 1440.6 ANNUAL MEAN 3.95 8.07 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 55 Mar 8 220 Aug 2 1991 LOWEST DAILY MEAN 1.0 Oct 4 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 1.1 Oct 2 0.77 May 29 1989 MAXIMUM PEAK FLOW 0.00 Mar 8 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 3.33 Mar 8 5.57 Aug 2 1991 10 PERCENT EXCEEDS 6.6 12 50 PERCENT EXCEEDS 2.3 2.3 90 PERCENT EXCEEDS 1.3 1.1 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 By mishealy APPROVED DD #15, ,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 1.8 1.4 1.7 1.3 3.0 1.4 1.5 1.6 1.1 2.0 1.4 1.4 2 1.7 1.4 1.7 1.3 1.9 1.4 1.4 1.3 1.1 1.7 1.4 1.3 3 1.7 1.5 1.6 1.9 1.6 1.4 1.4 1.3 1.1 1.6 1.4 1.3 4 2.0 1.6 1.6 1.4 1.5 1.4 1.4 1.3 1.1 1.4 1.4 1.3 5 1.8 1.6 1.5 1.3 1.4 1.4 1.4 1.4 1.1 1.4 1.4 1.3 6 1.8 1.5 1.5 1.3 1.4 1.4 1.3 1.3 1.1 1.5 1.4 1.3 7 1.9 1.6 1.5 1.3 1.4 1.4 1.3 1.3 1.1 2.2 1.4 1.3 8 1.9 1.6 1.4 1.3 1.4 1.4 1.3 1.2 1.1 1.5 1.3 1.3 9 1.7 1.6 1.4 1.3 1.4 1.6 1.3 1.2 1.1 1.4 1.3 1.4 10 1.7 1.6 1.4 1.2 1.4 1.5 1.3 1.2 1.1 1.3 1.3 1.4 11 1.7 1.6 1.4 1.2 1.4 1.5 1.3 1.2 1.2 3.9 1.3 1.3 12 1.7 1.6 1.4 1.2 1.4 1.5 1.3 1.2 1.1 5.1 1.3 1.3 13 1.7 1.5 1.5 1.2 1.4 1.5 1.2 1.3 1.1 4.7 1.3 1.3 14 1.6 1.6 1.4 1.3 1.4 2.0 1.2 1.3 1.1 2.4 1.4 1.3 15 1.6 1.6 1.4 2.0 1.3 1.5 1.4 1.2 1.1 2.0 1.3 1.5 16 1.6 1.7 1.4 1.2 1.3 1.5 1.3 1.2 6.6 2.8 1.4 1.4 17 1.6 1.7 1.3 1.2 1.3 1.5 1.2 1.2 2.6 2.3 1.3 1.3 18 1.6 1.7 1.3 2.3 1.4 1.5 1.3 1.2 1.5 1.9 1.3 1.3 19 1.6 1.7 1.3 1.4 1.4 1.4 1.3 1.2 1.3 1.8 1.3 1.4 20 1.6 1.7 1.3 1.3 1.4 1.4 1.3 1.2 1.3 1.7 2.1 1.5 21 1.5 1.7 1.3 1.2 1.4 1.5 1.3 1.2 1.3 1.6 1.5 1.5 22 1.5 1.7 1.3 1.2 1.4 1.4 1.3 1.2 1.3 1.7 1.4 1.4 23 1.5 1.7 1.3 3.1 1.4 1.4 1.3 1.2 1.2 1.6 1.4 1.4 24 1.5 1.7 1.3 3.3 1.4 1.4 1.3 1.2 1.3 1.4 1.5 1.4 25 1.5 1.6 1.6 1.7 1.4 1.6 1.3 1.2 1.3 1.4 1.5 1.4 26 1.5 1.6 1.7 1.5 1.4 2.0 1.3 1.2 1.3 1.4 1.4 1.8 27 1.5 1.6 1.4 1.5 1.4 1.5 1.3 1.2 1.3 1.4 1.4 1.9 28 1.5 1.6 1.4 1.4 1.4 1.4 1.3 1.2 1.5 1.4 1.5 3.6 29 1.5 1.6 1.3 1.4 --- 1.4 1.3 1.2 9.5 1.4 1.4 1.9 30 1.5 1.7 1.3 1.4 --- 1.4 2.1 1.2 2.9 1.4 1.4 1.6 31 1.5 --- 1.3 1.4 --- 1.4 --- 1.1 --- 1.4 1.4 --- TOTAL 50.8 48.3 44.2 47.0 41.3 46.0 40.2 38.4 52.8 60.7 43.5 44.8 MEAN 1.64 1.61 1.43 1.52 1.48 1.48 1.34 1.24 1.76 1.96 1.40 1.49 MAX 2.0 1.7 1.7 3.3 3.0 2.0 2.1 1.6 9.5 5.1 2.1 3.6 MIN 1.5 1.4 1.3 1.2 1.3 1.4 1.2 1.1 1.1 1.3 1.3 1.3 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 1999, BY WATER YEAR (WY) MEAN 4.06 2.76 3.25 4.99 7.58 12.0 14.1 3.77 6.96 13.4 9.66 7.75 MAX 10.0 10.0 10.1 19.4 42.5 66.1 64.0 10.1 28.9 109 97.8 62.1 (WY) 1992 1997 1997 1994 1993 1993 1991 1996 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.95 0.96 1.19 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 1989 1993 1989 SUMMARY STATISTICS FOR 1998 CALENDAR YEAR FOR 1999 WATER YEAR WATER YEARS 1986 - 1999 ANNUAL TOTAL 558.0 ANNUAL MEAN 1.53 7.57 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 9.5 Jun 29 220 Aug 2 1991 LOWEST DAILY MEAN 1.1 May 31 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 1.1 May 31 0.77 May 29 1989 MAXIMUM PEAK FLOW 89 Jun 29 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 2.00 Jun 29 5.57 Aug 2 1991 10 PERCENT EXCEEDS 1.7 11 50 PERCENT EXCEEDS 1.4 2.1 90 PERCENT EXCEEDS 1.2 1.1 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 By mishealy APPROVED DD #15, ,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 1.1 1.2 1.6 1.2 1.5 1.2 1.2 1.0 1.0 1.0 0.97 0.75 2 1.1 1.3 1.6 1.2 1.5 1.2 1.2 1.0 0.99 0.91 0.95 0.82 3 1.1 1.2 1.5 1.2 1.5 1.2 1.2 1.0 0.97 0.81 0.94 0.80 4 1.3 1.2 1.4 1.3 1.4 1.3 1.2 0.99 0.99 0.80 0.98 0.78 5 1.2 1.2 1.4 1.2 1.4 1.2 1.2 1.0 1.0 0.78 0.85 0.80 6 1.1 1.2 1.4 1.1 1.4 1.2 1.2 0.98 0.96 0.81 0.80 0.83 7 1.1 1.2 1.4 1.1 1.4 1.2 1.2 0.98 0.94 0.82 0.79 0.80 8 1.1 1.2 1.3 1.1 1.3 1.2 1.2 0.98 0.94 0.78 0.78 0.75 9 1.1 1.2 1.3 1.1 1.3 1.2 1.2 0.97 0.93 0.77 0.82 0.75 10 1.1 1.2 1.3 3.0 1.2 1.2 1.2 0.97 0.91 0.75 0.78 0.73 11 1.1 1.3 1.3 1.4 1.2 1.3 1.2 0.96 0.90 0.73 0.76 0.73 12 1.7 1.4 1.3 1.2 1.2 1.3 1.2 0.94 0.90 0.73 0.77 0.73 13 1.8 1.5 1.3 1.3 1.2 1.2 1.2 0.92 0.96 0.73 0.76 0.72 14 1.3 1.5 1.3 1.2 1.4 1.2 1.2 0.92 0.92 0.75 0.76 0.71 15 1.2 1.5 1.3 1.2 1.2 1.2 1.4 0.92 0.89 0.73 0.76 0.71 16 1.2 1.5 1.3 1.2 1.2 1.4 1.1 0.92 0.90 0.72 0.74 0.69 17 1.2 1.5 1.3 1.2 1.2 1.3 1.1 0.93 0.89 0.72 0.74 0.70 18 1.2 1.5 1.3 1.2 1.2 1.2 1.1 0.93 0.95 0.72 1.4 0.92 19 1.2 1.5 1.4 1.2 1.2 1.2 1.1 0.91 1.0 0.71 1.3 0.82 20 1.2 1.5 1.3 1.2 1.2 7.3 1.1 0.90 0.90 0.71 0.82 0.87 21 1.2 1.5 1.3 1.2 1.2 1.7 1.1 0.91 0.89 0.70 0.80 0.77 22 1.2 1.5 1.2 1.2 1.2 1.5 1.1 0.94 1.6 0.72 0.79 1.7 23 1.2 1.5 1.2 1.7 1.2 1.5 1.1 0.91 1.1 4.0 0.76 e10 24 1.2 1.6 1.2 4.3 1.2 1.4 1.1 0.90 0.89 1.6 0.74 1.1 25 1.2 1.5 1.2 2.1 1.2 1.4 1.1 0.90 0.84 1.0 1.1 0.97 26 1.2 2.0 1.2 1.6 1.2 1.4 1.1 2.6 0.84 0.91 0.80 0.98 27 1.2 1.7 1.1 1.5 1.2 1.4 1.1 1.3 0.86 0.86 0.78 0.86 28 1.2 1.6 1.1 1.4 1.2 1.3 1.1 1.0 0.83 0.85 0.76 0.82 29 1.2 1.6 1.2 1.5 1.2 1.3 1.1 0.99 1.1 0.82 0.75 0.81 30 1.1 1.5 1.2 2.2 --- 1.4 1.0 0.97 1.0 0.81 0.76 0.81 31 1.1 --- 1.2 1.6 --- 1.3 --- 0.99 --- 0.80 0.77 --- TOTAL 37.4 42.8 40.4 46.1 36.9 46.3 34.6 31.53 28.79 28.55 26.28 34.23 MEAN 1.21 1.43 1.30 1.49 1.27 1.49 1.15 1.02 0.96 0.92 0.85 1.14 MAX 1.8 2.0 1.6 4.3 1.5 7.3 1.4 2.6 1.6 4.0 1.4 10 MIN 1.1 1.2 1.1 1.1 1.2 1.2 1.0 0.90 0.83 0.70 0.74 0.69 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2000, BY WATER YEAR (WY) MEAN 3.86 2.67 3.11 4.74 7.12 11.2 13.1 3.58 6.56 12.6 9.08 7.31 MAX 10.0 10.0 10.1 19.4 42.5 66.1 64.0 10.1 28.9 109 97.8 62.1 (WY) 1992 1997 1997 1994 1993 1993 1991 1996 1991 1991 1991 1988 MIN 1.16 1.24 1.13 0.97 0.96 0.95 0.97 1.01 0.94 0.92 0.85 1.14 (WY) 1989 1989 1989 1989 1989 1989 1989 1989 1989 2000 2000 2000 SUMMARY STATISTICS FOR 1999 CALENDAR YEAR FOR 2000 WATER YEAR WATER YEARS 1986 - 2000 ANNUAL TOTAL 433.88 ANNUAL MEAN 1.19 7.11 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 10 Sep 23 220 Aug 2 1991 LOWEST DAILY MEAN 0.69 Sep 16 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 0.71 Sep 11 0.71 Sep 11 2000 MAXIMUM PEAK FLOW 0.00 Sep 23 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 3.33 Sep 23 5.57 Aug 2 1991 10 PERCENT EXCEEDS 1.5 11 50 PERCENT EXCEEDS 1.2 1.9 90 PERCENT EXCEEDS 0.77 1.1 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 By mishealy APPROVED DD #15, ,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 0.80 0.89 0.95 0.77 30 0.92 1.2 1.1 1.0 1.0 0.90 0.94 2 0.80 0.89 0.95 0.77 30 0.89 1.1 1.1 1.0 0.99 0.91 0.87 3 0.79 0.88 0.95 0.77 30 1.6 1.2 1.1 1.1 2.9 0.90 0.90 4 0.80 0.88 0.95 0.77 30 3.6 1.2 1.1 1.1 1.9 0.91 0.94 5 0.79 0.88 0.95 13 30 1.2 1.2 1.1 1.1 1.2 0.92 0.87 6 0.81 0.89 0.95 31 30 1.1 1.2 1.1 1.0 1.1 0.91 0.86 7 0.80 0.91 0.95 30 19 1.0 1.2 1.1 1.0 1.1 0.90 0.85 8 0.77 0.87 0.95 30 1.3 1.0 1.2 1.1 1.1 1.1 0.89 0.84 9 0.79 0.95 0.96 30 1.2 1.0 1.2 1.1 1.0 1.1 0.89 0.88 10 0.80 1.0 1.0 30 1.1 1.0 1.2 1.1 1.0 1.1 0.88 0.88 11 0.79 1.1 0.90 31 1.1 1.0 1.2 1.1 1.0 1.1 0.91 0.92 12 0.77 1.1 0.89 32 1.1 1.1 1.2 1.2 1.2 1.6 0.90 0.89 13 0.78 1.1 0.89 32 1.1 1.1 1.2 1.1 2.4 1.1 1.1 0.86 14 0.76 1.2 0.89 32 e1.0 1.0 1.2 1.1 1.3 0.94 1.4 0.86 15 0.76 1.1 0.89 33 e1.0 3.0 1.2 1.1 1.1 0.92 0.98 0.85 16 0.75 1.1 0.89 33 e1.0 1.2 1.2 1.0 1.1 0.91 0.93 0.85 17 0.74 1.1 1.0 33 e1.0 1.1 1.1 1.0 1.1 0.89 0.92 0.85 18 0.74 1.1 0.90 32 e0.96 1.0 1.2 1.0 1.0 0.88 1.0 0.85 19 0.73 1.6 0.89 32 e0.95 1.0 1.2 1.0 1.0 0.89 1.1 0.85 20 0.75 1.1 0.89 32 e0.95 1.8 1.2 1.1 0.99 0.92 0.99 0.87 21 0.77 0.95 0.89 31 e0.95 1.3 1.2 1.1 1.0 0.90 0.93 0.81 22 0.77 0.95 0.88 30 e1.8 1.2 1.2 1.1 1.0 0.87 0.91 0.80 23 0.77 0.95 0.82 30 e1.0 1.1 1.1 1.1 0.99 0.97 0.91 0.82 24 0.77 0.93 0.83 30 e0.96 1.1 1.1 1.0 0.98 0.94 0.90 0.95 25 0.80 2.2 0.80 30 e1.1 1.1 1.2 1.0 1.0 0.93 0.90 0.86 26 0.80 1.1 0.77 30 e1.0 1.1 1.1 1.0 0.99 0.97 0.89 0.85 27 0.81 0.95 0.79 30 e0.96 1.1 1.1 1.0 2.4 0.98 0.89 0.81 28 0.81 0.94 0.96 30 0.95 1.1 1.1 1.1 1.3 1.0 0.89 0.81 29 0.83 0.93 1.1 30 --- 1.6 1.1 2.2 1.1 0.97 0.90 0.81 30 0.87 0.93 0.79 30 --- 1.3 1.1 1.1 1.0 0.92 0.92 0.81 31 0.87 --- 0.77 30 --- 1.2 --- 1.0 --- 0.92 0.85 --- TOTAL 24.39 31.47 27.99 820.08 221.48 39.81 35.1 34.4 34.35 34.01 29.13 25.81 MEAN 0.79 1.05 0.90 26.5 7.91 1.28 1.17 1.11 1.15 1.10 0.94 0.86 MAX 0.87 2.2 1.1 33 30 3.6 1.2 2.2 2.4 2.9 1.4 0.95 MIN 0.73 0.87 0.77 0.77 0.95 0.89 1.1 1.0 0.98 0.87 0.85 0.80 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2001, BY WATER YEAR (WY) MEAN 3.65 2.56 2.97 6.18 7.17 10.6 12.4 3.43 6.22 11.9 8.57 6.91 MAX 10.0 10.0 10.1 26.5 42.5 66.1 64.0 10.1 28.9 109 97.8 62.1 (WY) 1992 1997 1997 2001 1993 1993 1991 1996 1991 1991 1991 1988 MIN 0.79 1.05 0.90 0.97 0.96 0.95 0.97 1.01 0.94 0.92 0.85 0.86 (WY) 2001 2001 2001 1989 1989 1989 1989 1989 1989 2000 2000 2001 SUMMARY STATISTICS FOR 2000 CALENDAR YEAR FOR 2001 WATER YEAR WATER YEARS 1986 - 2001 ANNUAL TOTAL 1358.02 ANNUAL MEAN 3.72 6.88 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 1.04 1989 HIGHEST DAILY MEAN 33 Jan 15 220 Aug 2 1991 LOWEST DAILY MEAN 0.73 Oct 19 0.50 Jun 7 1992 ANNUAL SEVEN-DAY MINIMUM 0.75 Oct 14 0.71 Sep 11 2000 MAXIMUM PEAK FLOW 37 Jan 19 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 1.54 Jan 19 5.57 Aug 2 1991 10 PERCENT EXCEEDS 2.9 11 50 PERCENT EXCEEDS 1.0 1.8 90 PERCENT EXCEEDS 0.81 1.0 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 021973515 STEEL CK ABOVE RD B AT SAVANNAH RIVER SITE, SC SOURCE AGENCY USGS STATE 45 COUNTY 011 LATITUDE 331258 LONGITUDE 0813613 NAD27 DRAINAGE AREA CONTRIBUTING DRAINAGE AREA DATUM 208 NGVD29 Date Processed: 2004-08-20 15:19 By mishealy APPROVED DD #15, ,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 0.83 0.93 1.0 0.83 0.95 0.77 0.75 0.68 0.54 0.53 0.53 0.87 2 0.83 1.0 1.0 0.89 0.95 1.1 0.74 0.69 0.52 0.50 0.46 0.61 3 0.81 1.0 1.0 0.92 0.95 0.90 0.72 0.71 0.51 0.55 0.46 0.53 4 0.82 1.0 1.0 0.94 0.95 0.78 0.72 0.75 0.52 0.51 0.45 0.50 5 0.83 1.0 0.99 0.89 0.95 0.77 0.72 0.75 0.51 0.49 0.45 0.50 6 0.85 1.0 0.92 1.0 1.1 0.72 0.72 0.69 0.52 0.49 0.44 0.50 7 0.85 1.0 0.89 0.95 2.4 0.73 0.71 0.65 0.56 0.50 0.40 0.53 8 0.84 1.1 0.88 0.90 0.90 0.72 0.70 0.64 0.54 0.50 0.40 0.53 9 0.81 1.1 0.87 0.89 0.80 0.72 0.72 0.64 0.56 0.54 0.38 0.53 10 0.83 1.1 0.89 0.89 0.77 0.72 0.94 0.62 0.54 0.54 0.36 0.51 11 0.81 1.1 0.89 0.89 0.72 0.72 0.75 0.61 0.53 0.68 0.36 0.50 12 0.83 1.1 0.89 1.0 0.72 0.79 0.77 0.59 0.52 0.66 0.36 0.51 13 0.82 1.2 0.89 1.2 0.72 1.3 0.75 0.61 0.51 0.71 0.36 0.55 14 0.92 1.2 0.89 0.95 0.72 0.81 0.72 0.61 0.54 0.63 0.38 0.70 15 0.86 1.2 0.88 0.90 0.72 0.77 0.70 0.56 0.56 0.58 0.37 0.82 16 0.86 1.2 0.88 0.89 0.72 0.77 0.69 0.56 0.52 0.55 0.37 0.77 17 0.86 1.2 0.88 0.89 0.72 0.76 0.69 0.57 0.51 0.53 0.41 0.60 18 0.81 1.1 0.87 0.89 0.72 0.77 0.73 0.65 0.62 0.53 0.41 0.70 19 0.80 1.1 0.84 0.90 0.72 0.74 0.69 0.59 0.56 0.51 0.44 0.79 20 0.80 1.1 0.83 0.93 0.74 0.75 0.67 0.59 0.54 0.50 0.41 0.73 21 0.80 1.1 0.83 0.91 0.77 0.84 0.65 0.58 0.54 0.69 0.39 0.67 22 0.80 1.0 0.82 0.89 0.77 0.74 0.64 0.57 0.57 1.1 0.39 0.64 23 0.81 1.1 0.83 0.89 0.77 0.73 0.62 0.57 0.60 0.80 0.37 0.66 24 0.81 1.2 0.80 0.89 0.77 0.72 0.63 0.55 0.58 0.61 0.36 0.73 25 0.83 1.1 0.77 0.93 0.77 0.72 0.65 0.54 0.59 0.58 0.46 0.67 26 0.87 1.1 0.78 0.92 0.77 0.74 0.61 0.55 0.58 0.59 0.43 0.74 27 0.92 1.1 0.79 0.89 0.77 0.75 0.65 0.54 0.55 0.55 0.79 0.73 28 0.95 1.1 0.82 0.89 0.77 0.72 0.65 0.54 0.52 0.52 0.83 0.69 29 0.93 1.1 0.82 0.94 --- 0.72 0.64 0.54 0.52 0.52 0.63 0.74 30 0.93 1.1 0.82 0.95 --- 0.76 0.64 0.54 0.53 0.51 0.60 0.73 31 0.93 --- 0.83 0.95 --- 0.72 --- 0.59 --- 0.49 0.57 --- TOTAL 26.25 32.73 27.09 28.59 24.10 24.27 20.98 18.87 16.31 17.99 14.02 19.28 MEAN 0.85 1.09 0.87 0.92 0.86 0.78 0.70 0.61 0.54 0.58 0.45 0.64 MAX 0.95 1.2 1.0 1.2 2.4 1.3 0.94 0.75 0.62 1.1 0.83 0.87 MIN 0.80 0.93 0.77 0.83 0.72 0.72 0.61 0.54 0.51 0.49 0.36 0.50 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1986 - 2002, BY WATER YEAR (WY) MEAN 3.48 2.47 2.84 5.86 6.78 9.94 11.6 3.26 5.89 11.2 8.09 6.54 MAX 10.0 10.0 10.1 26.5 42.5 66.1 64.0 10.1 28.9 109 97.8 62.1 (WY) 1992 1997 1997 2001 1993 1993 1991 1996 1991 1991 1991 1988 MIN 0.79 1.05 0.87 0.92 0.86 0.78 0.70 0.61 0.54 0.58 0.45 0.64 (WY) 2001 2001 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002 SUMMARY STATISTICS FOR 2001 CALENDAR YEAR FOR 2002 WATER YEAR WATER YEARS 1986 - 2002 ANNUAL TOTAL 1360.24 270.48 ANNUAL MEAN 3.73 0.74 6.50 HIGHEST ANNUAL MEAN 30.0 1991 LOWEST ANNUAL MEAN 0.74 2002 HIGHEST DAILY MEAN 33 Jan 15 2.4 Feb 7 220 Aug 2 1991 LOWEST DAILY MEAN 0.77 Jan 1 0.36 Aug 10 0.36 Aug 10 2002 ANNUAL SEVEN-DAY MINIMUM 0.80 Dec 24 0.37 Aug 10 0.37 Aug 10 2002 MAXIMUM PEAK FLOW 8.1 Feb 7 0.00 Aug 2 1991 MAXIMUM PEAK STAGE 0.86 Feb 7 5.57 Aug 2 1991 10 PERCENT EXCEEDS 2.9 1.0 11 50 PERCENT EXCEEDS 1.0 0.73 1.7 90 PERCENT EXCEEDS 0.83 0.51 0.90