SULLIVANS ISLAND, SOUTH CAROLINA

Monthly Average 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 80.75 c 82.05 76.87 70.13 55.68 54.56 70.01
1952 55.39 53.33 57.92 64.08 74.32 83.73 81.95 80.85 75.40 64.79 59.02 49.84 66.72
1953 52.89 54.41 59.79 64.77 77.94 79.00 80.90 79.52 76.47 68.35 57.65 52.31 67.00
1954 52.35 55.27 55.90 67.58 70.68 80.10 82.42 83.66 78.28 68.71 56.87 49.24 d 66.76
1955 49.02 51.34 60.26 67.03 74.34 76.92 82.11 81.91 b 77.25 68.42 58.85 48.35 66.32
1956 46.42 56.45 57.26 63.72 74.26 78.90 82.52 82.17 a 74.82 68.52 58.37 58.45 66.82
1957 51.65 56.23 56.34 66.70 73.92 79.88 80.66 79.77 78.73 64.31 59.68 52.13 66.67
1958 44.35 43.25 52.63 63.62 72.60 78.87 82.85 82.13 77.88 65.90 63.02 48.82 64.66
1959 48.15 53.34 55.84 65.80 75.44 79.35 81.33 b 81.89 76.53 a 71.53 58.62 51.26 66.59
1960 49.68 49.45 46.56 65.25 72.26 78.05 81.13 81.44 77.42 70.44 60.17 46.85 64.89
1961 46.68 52.00 61.11 60.83 70.60 77.47 82.23 79.97 78.07 66.65 61.60 53.08 65.86
1962 47.56 54.71 53.21 62.65 76.06 77.37 82.03 80.50 75.93 69.60 55.62 47.87 65.26
1963 47.18 45.66 59.95 66.08 71.77 78.70 80.56 82.08 73.67 67.92 59.02 44.94 64.79
1964 47.71 48.16 56.90 65.27 73.15 80.93 78.58 79.55 a 75.76 a 64.42 62.30 53.39 65.51
1965 50.08 51.09 54.52 64.37 75.66 76.95 80.65 81.87 77.67 67.39 60.65 52.02 66.08
1966 45.98 49.71 55.39 64.32 71.29 75.73 80.97 79.81 77.68 b 68.65 58.33 49.60 64.79
1967 51.21 48.93 58.55 67.55 71.94 75.93 b 79.98 79.31 72.05 66.02 56.38 55.34 65.26
1968 44.71 44.28 55.52 66.05 72.31 78.13 81.48 82.74 75.52 68.92 56.65 47.84 64.51
1969 45.87 47.29 52.34 64.36 w ----- z ----- z ----- z 78.39 73.05 67.55 53.82 47.81 58.26
1970 41.82 a ----- z ----- z 65.42 73.11 ----- z 80.06 ----- z 79.33 a 68.16 55.43 53.19 64.57
1971 44.39 46.67 a 50.68 62.30 67.85 77.57 81.45 81.41 b ----- z 72.23 a 58.23 60.65 63.95
1972 55.53 50.10 59.27 ----- z 70.95 76.17 l 81.11 m 80.63 76.80 66.47 59.19 d 54.69 d 63.74
1973 47.41 c 46.70 ----- z 62.70 69.77 ----- z 79.11 ----- z 78.58 70.12 c 60.71 f ----- z 64.91
1974 61.65 51.72 e 59.06 62.17 71.35 74.88 79.68 78.53 75.62 63.27 a 57.03 49.11 d 65.34
1975 52.63 d 53.96 54.78 f 60.81 c ----- z 77.68 s 79.34 81.24 77.87 c 68.83 b ----- z 50.38 f 67.81
1976 45.84 i 54.65 e 61.50 64.40 69.87 75.45 80.35 ----- z ----- z 62.88 j 52.59 m 48.34 64.94
1977 39.84 46.59 60.43 a 67.06 d 73.11 80.30 82.67 a 80.35 77.98 63.97 61.08 49.95 65.28
1978 43.23 41.34 52.79 65.45 h 70.98 77.03 80.05 j 81.26 78.35 69.21 b 66.65 58.02 63.89
1979 ----- z ----- z 63.05 a 69.82 e 73.16 o 75.50 t ----- z 80.23 p 73.32 67.57 c 53.46 p ----- z 68.44
1980 47.78 a ----- z 52.46 f 63.46 g 69.81 e ----- z ----- z ----- z ----- z 67.24 57.31 f 50.83 e 58.91
1981 43.18 51.35 b 54.79 b 67.07 h 70.62 c 81.67 d 81.56 e 78.17 h 73.73 h 65.48 h 59.45 h 51.22 k 63.86
1982 47.78 b 54.07 62.73 p 64.15 j 75.05 l 80.08 82.22 a 81.02 75.90 67.90 62.32 58.02 67.70
1983 46.81 49.75 57.63 61.50 71.60 77.17 83.21 83.42 76.48 70.31 59.48 52.19 65.80
1984 46.44 53.16 57.84 64.05 j 72.90 79.75 80.73 81.65 74.25 73.45 57.95 57.39 66.86
1985 46.32 50.88 59.48 66.47 73.97 80.37 81.61 80.02 77.07 73.45 67.75 51.13 67.38
1986 47.58 55.43 58.34 66.68 73.89 81.03 84.02 80.19 78.02 70.35 63.52 a 54.10 67.76
1987 48.15 48.89 56.44 62.57 73.40 80.28 81.63 82.31 74.00 u 63.00 60.70 53.71 64.64
1988 43.60 48.60 56.55 64.42 70.90 75.95 80.18 80.40 75.33 64.08 60.70 49.95 64.22
1989 54.11 53.48 55.85 ----- z 70.21 78.28 80.53 78.97 ----- z 69.22 v 62.20 45.08 64.30
1990 55.05 59.43 a 62.16 66.27 75.18 81.70 83.08 81.84 79.33 o 70.90 61.25 56.39 68.48
1991 51.87 a 53.84 59.76 68.45 76.61 77.82 k 82.45 k 82.61 l 76.88 68.73 56.83 54.40 a 63.04
1992 49.92 54.24 57.27 62.40 70.45 76.70 83.13 79.63 76.58 65.48 59.98 50.26 65.50
1993 53.15 49.43 53.84 60.37 72.06 78.73 83.65 80.73 77.22 67.23 58.33 48.03 65.23
1994 45.23 51.38 59.35 66.52 69.26 79.15 81.29 79.31 76.48 67.37 64.28 56.05 66.31
1995 51.27 49.95 59.84 68.41 a 76.53 78.90 82.68 82.26 76.60 71.10 57.87 52.31 r 68.67
1996 48.77 a 50.84 53.42 a 63.98 75.05 78.82 82.65 79.79 77.70 68.52 56.95 53.84 65.86
1997 49.42 53.37 a 64.45 62.33 i 69.23 73.98 80.61 79.34 76.58 68.53 57.42 51.59 d 65.87
1998 52.31 51.36 54.87 a 64.45 a 74.16 82.72 83.02 81.29 78.90 69.63 63.37 57.00 67.75
1999 54.88 c ----- z 55.71 e 67.77 b 71.54 d 77.81 c 83.67 b 84.33 d 76.98 g 67.20 f 62.21 a 53.64 f 69.74
2000 47.90 g 52.24 d 59.12 o 61.90 e 75.93 a 79.96 f 82.14 c ----- z ----- z 65.96 h 56.38 m 41.66 b 62.77
2001 43.35 g 52.93 g 56.38 g 64.83 g 72.62 c 79.56 f 80.71 e 81.26 h 75.83 f 66.60 e 63.08 f 59.63 e 69.89
2002 51.40 52.18 59.05 69.02 71.82 ----- z 83.71 81.48 79.62 71.92 57.97 49.18 66.12
2003 45.06 49.70 e 59.62 c 65.22 74.37 79.58 e 81.86 j 82.27 75.78 68.29 63.22 e ----- z 66.31
2004 46.89 48.02 e 59.87 65.42 76.37 e 81.88 83.02 79.53 75.18 k 69.10 e 61.00 f 49.26 h 67.79
2005 48.79 e 50.77 f 53.15 e 60.18 67.54 f 77.44 f 83.53 82.10 e 78.05 67.87 61.23 f 49.20 d 65.36
2006 53.08 49.79 b 56.05 67.53 72.98 e 78.46 e 82.76 f 83.15 75.32 e 65.39 57.55 55.02 64.94
2007 52.32 47.96 59.60 b 63.16 b 70.76 77.88 d 80.08 81.32 75.34 e 70.56 56.82 55.07 c 65.91
2008 47.24 52.25 g 56.18 62.83 69.92 g 80.22 80.40 79.79 74.90 f 63.27 53.44 e 52.41 d 63.98
2009 47.28 f 47.87 i 54.02 61.04 e 70.56 78.89 g 79.89 82.48 76.03 67.44 59.57 51.03 66.90
2010 44.35 44.75 54.50 65.63 73.32 83.28 83.06 d 82.77 80.03 68.98 59.38 43.21 65.27
2011 45.57 d 53.71 b 59.79 c 68.07 c 75.05 b 83.54 e 84.10 a 84.30 a 78.54 c 67.45 b 59.74 e 56.33 b 68.02
2012 54.05 c 56.32 a 65.18 f 68.67 a 76.40 u ----- z ----- z ----- z ----- z ----- z ----- z ----- z 59.68
Period of Record Statistics
MEAN 48.85 50.96 57.10 64.89 72.72 78.92 81.62 81.13 76.73 68.07 59.43 51.89 65.94
S.D. 4.10 3.67 3.32 2.48 2.25 2.26 1.37 1.44 1.71 2.48 2.96 4.14 1.01
SKEW 0.45 -0.33 -0.46 -0.09 0.19 0.16 0.05 0.09 -0.48 -0.09 0.54 -0.11 0.44
MAX 61.65 59.43 64.45 69.82 77.94 83.73 84.10 84.33 80.03 73.45 67.75 60.65 68.02
MIN 39.84 41.34 46.56 60.18 67.85 73.98 78.58 78.39 72.05 63.00 53.44 41.66 64.22
NO YRS 56 53 53 51 54 47 53 52 49 56 51 53 31