SULLIVANS ISLAND, SOUTH CAROLINA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(388405)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201205
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1951 ----- z ----- z ----- z ----- z ----- z ----- z 87.43 c 88.87 83.57 76.81 64.40 62.84 77.32
1952 63.68 60.97 65.65 72.33 82.00 91.60 89.00 87.48 82.40 73.68 67.33 57.71 74.49
1953 60.48 61.93 67.87 72.23 85.68 85.57 88.10 86.26 82.90 76.16 66.73 60.13 74.50
1954 61.68 64.14 64.10 75.20 78.29 87.70 89.52 91.71 84.90 77.26 65.27 58.29 c 74.84
1955 57.06 59.79 68.97 74.77 81.74 84.67 88.94 88.72 b 83.40 76.81 68.20 56.42 74.12
1956 54.68 64.17 66.03 72.00 82.26 86.73 90.19 89.70 a 82.80 75.58 67.80 67.48 74.95
1957 60.19 63.64 63.77 74.87 80.90 86.77 87.71 87.29 85.40 72.26 67.77 61.26 74.32
1958 52.23 52.18 60.03 71.03 79.48 86.17 89.45 89.58 85.17 74.39 71.53 57.52 72.40
1959 57.29 60.61 63.52 73.80 82.55 86.97 87.70 a 88.84 83.66 a 77.74 67.07 58.74 74.04
1960 56.81 57.31 54.16 73.00 80.55 85.27 87.29 88.48 84.33 78.32 69.27 56.87 72.64
1961 54.87 59.71 69.29 68.87 77.35 83.80 89.65 86.55 85.93 75.90 69.80 61.45 73.60
1962 55.52 63.46 60.74 70.73 84.58 84.07 89.00 87.84 83.33 78.42 63.63 56.58 73.16
1963 55.90 54.00 68.68 73.73 79.65 85.90 88.13 89.32 81.23 76.87 67.20 52.90 72.79
1964 56.13 55.52 64.68 73.13 81.10 88.37 84.81 86.33 a 83.14 a 72.45 70.63 60.90 73.10
1965 58.71 59.39 62.13 71.97 84.03 83.93 88.03 89.74 84.10 75.10 69.00 60.84 73.91
1966 53.55 57.82 63.84 71.30 77.29 82.87 88.19 86.68 85.25 b 77.19 67.77 57.39 72.43
1967 58.90 56.71 67.35 75.30 79.55 82.57 86.90 86.16 79.70 75.19 65.03 63.68 73.09
1968 53.77 52.86 64.39 74.07 79.77 84.63 88.84 90.32 82.97 76.58 64.83 56.16 72.43
1969 53.45 54.86 60.48 72.71 w ----- z ----- z ----- z 86.19 82.40 78.32 66.70 59.68 67.76
1970 52.40 a ----- z ----- z 75.77 83.23 ----- z 89.61 ----- z 89.31 a 79.32 68.47 66.87 75.62
1971 54.87 58.64 63.10 73.80 79.65 87.47 89.55 89.00 ----- z 80.43 a 70.43 70.16 74.28
1972 64.35 59.14 69.81 ----- z 78.58 84.70 89.55 88.97 85.60 76.52 67.90 65.55 75.51
1973 58.13 58.46 ----- z 70.87 80.23 ----- z 87.29 ----- z 85.93 79.16 73.27 61.67 a 72.78
1974 69.58 65.08 b 71.52 73.83 82.71 84.50 87.39 85.61 82.53 73.84 67.40 59.17 a 75.26
1975 62.06 63.50 66.00 e 70.30 ----- z 84.55 s 85.48 88.45 84.00 79.03 a ----- z 59.06 73.10
1976 55.69 b 64.25 e 68.94 74.50 78.42 82.03 88.77 ----- z ----- z 74.25 g 63.88 e 57.87 70.48
1977 49.71 58.36 70.68 77.53 83.29 90.53 91.47 a 87.45 85.47 74.71 70.40 59.00 74.88
1978 53.13 50.25 61.06 74.23 d 79.26 84.77 86.48 d 89.58 86.33 79.63 a 74.77 68.77 74.02
1979 ----- z 63.15 b 74.13 a 79.56 c 80.81 82.29 b 87.19 87.81 d 82.13 78.68 66.53 k 55.08 g 79.53
1980 55.47 a ----- z 62.86 b 73.26 c 79.03 b ----- z ----- z ----- z ----- z 75.97 67.07 c 60.04 c 67.67
1981 53.29 62.15 a 65.41 b 77.00 g 80.54 c 90.33 c 90.04 e 86.12 g 84.13 g 76.04 e 69.60 e 60.74 h 73.42
1982 58.65 63.21 68.94 72.81 i 82.11 l 86.40 88.03 a 87.68 82.73 75.71 70.17 66.29 74.78
1983 53.90 57.64 65.61 69.57 78.10 84.40 90.39 90.00 84.03 77.74 68.73 60.81 73.41
1984 53.81 62.59 66.23 72.10 j 81.19 86.70 86.97 88.42 81.93 80.55 66.90 66.42 74.70
1985 55.68 59.82 68.39 75.80 81.74 87.90 87.65 86.87 84.37 80.00 73.80 61.39 75.28
1986 57.23 63.82 67.71 75.77 80.87 86.73 91.39 86.32 83.43 78.32 70.33 61.61 75.29
1987 56.19 58.04 64.97 72.17 81.39 87.67 89.26 90.32 83.89 u 73.32 70.20 63.77 73.39
1988 52.35 59.31 66.32 74.07 79.84 85.53 87.32 87.87 82.63 74.03 71.87 60.58 73.48
1989 64.23 63.18 65.52 ----- z 79.87 86.50 88.87 87.74 ----- z 78.20 u 72.43 54.55 73.65
1990 64.06 68.25 70.19 74.90 82.87 90.10 91.35 89.13 86.07 o 79.74 71.13 65.00 76.98
1991 60.77 64.04 69.29 76.30 84.61 85.80 j 91.00 k 90.74 l 85.43 79.06 66.97 64.63 a 72.35
1992 59.26 63.90 68.52 71.43 80.71 84.67 92.52 87.68 85.20 75.77 69.50 60.42 74.96
1993 62.42 59.68 63.84 71.10 81.81 87.93 93.35 90.29 85.97 77.35 69.03 59.52 75.19
1994 56.68 62.61 70.74 77.83 81.10 87.43 88.32 87.10 83.60 75.06 72.30 63.19 75.50
1995 59.74 59.25 68.06 77.63 84.58 86.00 89.77 89.29 82.37 78.06 68.20 62.46 r 76.63
1996 58.06 61.00 62.39 73.40 83.55 87.20 90.13 87.23 85.43 77.16 65.73 63.29 74.55
1997 57.74 61.21 72.84 72.04 g 78.29 81.30 88.74 87.32 84.27 76.32 65.53 59.96 d 73.96
1998 60.48 59.71 65.03 72.45 a 82.71 91.47 90.55 88.97 86.60 78.52 71.93 65.77 76.18
1999 64.16 ----- z 65.13 76.67 79.43 a 84.67 90.39 91.97 83.73 75.04 f 71.43 61.81 76.94
2000 59.03 a 62.45 70.88 o 72.50 83.68 86.67 90.97 ----- z ----- z 77.03 b 67.06 m 53.65 73.25
2001 56.71 63.11 65.52 73.70 81.35 86.97 88.29 88.68 83.57 76.68 73.13 68.94 75.55
2002 60.39 61.79 68.29 78.13 80.45 ----- z 91.06 88.68 85.77 79.77 66.50 57.68 74.41
2003 54.23 57.96 e 67.06 73.10 82.03 87.28 e 89.33 j 88.94 83.87 77.32 73.36 e ----- z 74.51
2004 56.84 56.21 e 69.84 74.90 83.65 e 88.77 90.29 87.03 83.96 f 77.62 e 71.17 f 60.09 h 76.13
2005 58.69 e 60.68 f 64.27 e 72.67 79.44 f 84.88 f 92.23 89.71 86.90 77.71 73.33 f 59.13 75.16
2006 62.65 59.93 66.32 77.77 82.35 e 87.84 e 91.84 f 90.97 84.56 e 76.68 68.20 65.35 74.78
2007 62.29 58.50 70.38 b 74.57 80.45 86.03 88.97 89.87 84.72 e 80.23 69.40 66.06 75.96
2008 59.10 65.32 g 67.84 74.17 80.79 g 91.03 90.42 89.48 85.96 f 75.39 65.96 e 64.37 d 75.31
2009 60.80 f 62.26 i 65.84 74.12 e 80.58 90.92 f 89.45 90.61 84.33 77.48 68.97 61.55 76.99
2010 54.65 55.82 65.00 75.63 83.06 92.13 92.45 91.10 89.47 80.65 70.03 51.39 75.11
2011 53.81 d 62.92 b 70.20 a 76.48 c 82.60 a 91.58 d 91.10 a 92.77 a 85.27 77.00 70.41 c 65.66 b 76.65
2012 64.68 c 66.64 a 74.08 e 77.69 a 84.30 u ----- z ----- z ----- z ----- z ----- z ----- z ----- z 70.77
Period of Record Statistics
MEAN 57.83 60.27 66.44 74.01 81.19 86.57 89.14 88.61 84.28 77.05 68.84 61.21 74.31
S.D. 3.97 3.66 3.64 2.35 1.98 2.60 1.76 1.62 1.80 2.03 2.65 4.15 1.16
SKEW 0.51 -0.49 -0.44 0.14 0.03 0.28 0.16 0.27 0.46 -0.33 0.12 -0.02 -0.04
MAX 69.58 68.25 74.13 79.56 85.68 92.13 93.35 92.77 89.47 80.65 74.77 70.16 76.65
MIN 49.71 50.25 54.16 68.87 77.29 81.30 84.81 85.61 79.70 72.26 63.63 51.39 72.40
NO YRS 59 55 58 54 55 51 56 54 51 58 56 56 33