SULLIVANS ISLAND, SOUTH CAROLINA

Monthly Average Minimum 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 74.07 c 75.23 70.17 63.45 46.97 46.29 62.70
1952 47.10 45.69 50.19 55.83 66.65 75.87 74.90 74.23 68.40 55.90 50.70 41.97 58.95
1953 45.29 46.89 51.71 57.30 70.19 72.43 73.71 72.77 70.03 60.55 48.57 44.48 59.49
1954 43.03 46.39 47.71 59.97 63.06 72.50 75.32 75.61 71.67 60.16 48.47 39.96 c 58.66
1955 40.97 42.89 51.55 59.30 66.94 69.17 75.29 75.10 b 71.10 60.03 49.50 40.29 58.51
1956 38.16 48.72 48.48 55.43 66.26 71.07 74.84 74.55 66.83 61.45 48.93 49.42 58.68
1957 43.10 48.82 48.90 58.53 66.94 73.00 73.61 72.26 72.07 56.35 51.60 43.00 59.02
1958 36.48 34.32 45.23 56.20 65.71 71.57 76.26 74.68 70.60 57.42 54.50 40.13 56.92
1959 39.00 46.07 48.16 57.80 68.32 71.73 75.27 a 74.94 69.41 a 65.32 50.17 43.77 59.16
1960 42.55 41.59 38.97 57.50 63.97 70.83 74.97 74.39 70.50 62.55 51.07 36.84 57.14
1961 38.48 44.29 52.94 52.80 63.84 71.13 74.81 73.39 70.20 57.39 53.40 44.71 58.11
1962 39.61 45.96 45.68 54.57 67.55 70.67 75.06 73.16 68.53 60.77 47.60 39.16 57.36
1963 38.45 37.32 51.23 58.43 63.90 71.50 73.00 74.84 66.10 58.97 50.83 36.97 56.80
1964 39.29 40.79 49.13 57.40 65.19 73.50 72.35 72.77 a 68.38 a 56.39 53.97 45.87 57.92
1965 41.45 42.79 46.90 56.77 67.29 69.97 73.26 74.00 71.23 59.68 52.30 43.19 58.24
1966 38.42 41.61 46.94 57.33 65.29 68.60 73.74 72.94 70.17 60.10 48.90 41.81 57.15
1967 43.52 41.14 49.74 59.80 64.32 68.96 b 73.06 72.45 64.40 56.84 47.73 47.00 57.41
1968 35.65 35.69 46.65 58.03 64.84 71.63 74.13 75.16 68.07 61.26 48.47 39.52 56.59
1969 38.29 39.71 44.19 56.00 w ----- z ----- z ----- z 70.58 63.70 56.77 40.93 35.94 48.77
1970 31.23 a ----- z ----- z 55.07 63.00 ----- z 70.52 ----- z 69.53 57.00 42.40 39.52 53.53
1971 33.90 34.85 a 38.26 50.80 56.06 67.67 73.35 73.66 b ----- z 64.19 46.03 51.13 53.63
1972 46.71 41.07 48.74 ----- z 63.32 67.67 l 73.11 m 72.29 68.00 56.42 49.00 d 44.07 d 54.40
1973 37.04 c 34.93 ----- z 54.53 59.32 ----- z 70.94 ----- z 71.23 60.96 c 48.17 f ----- z 55.56
1974 53.71 38.32 c 46.61 50.50 60.00 65.27 71.97 71.45 68.70 52.77 a 46.67 40.21 c 55.51
1975 43.22 d 44.43 43.45 b 51.52 c ----- z 70.82 s 73.19 74.03 71.44 c 58.77 a ----- z 41.56 f 57.51
1976 35.96 g 44.93 a 54.06 54.30 61.32 68.87 71.94 ----- z ----- z 52.14 j 42.05 i 38.81 56.32
1977 29.97 34.82 50.00 a 56.19 d 62.94 70.07 73.87 73.26 70.50 53.23 51.77 40.90 55.63
1978 33.32 32.43 44.52 56.08 d 62.71 69.30 72.96 f 72.94 70.37 58.63 a 58.53 47.26 55.10
1979 ----- z ----- z 51.97 a 60.25 b 65.62 o 69.10 t ----- z 72.13 p 64.50 56.57 c 41.10 j ----- z 58.32
1980 39.94 32.12 e 42.54 e 53.22 g 60.81 e ----- z ----- z ----- z ----- z 58.52 47.42 d 40.11 c 45.92
1981 33.06 40.44 a 44.17 b 57.18 h 60.71 c 72.96 c 73.08 e 70.26 h 63.36 h 55.08 f 49.48 g 41.14 j 54.07
1982 37.48 b 44.93 52.93 p 55.65 j 68.00 l 73.77 76.40 a 74.35 69.07 60.10 54.47 49.74 60.03
1983 39.71 41.86 49.65 53.43 65.10 69.93 76.03 76.84 68.93 62.87 50.23 43.58 58.18
1984 39.06 43.72 49.45 57.03 64.61 72.80 74.48 74.87 66.57 66.35 49.00 48.35 58.86
1985 36.97 41.93 50.58 57.13 66.19 72.83 75.58 73.16 69.77 66.90 61.70 40.87 59.47
1986 37.94 47.04 48.97 57.60 66.90 75.33 76.65 74.06 72.60 62.39 56.69 a 46.58 60.23
1987 40.10 39.75 47.90 52.97 65.42 72.90 74.00 74.29 64.11 u 52.68 51.20 43.65 55.90
1988 34.84 37.90 46.77 54.77 61.97 66.37 73.03 72.94 68.03 54.13 49.53 39.32 54.97
1989 44.00 43.79 46.19 ----- z 60.55 70.07 72.19 70.19 ----- z 59.30 u 51.97 35.61 54.95
1990 46.03 50.48 a 54.13 57.63 67.48 73.30 74.81 74.55 70.30 62.06 51.37 47.77 60.83
1991 42.87 a 43.64 50.23 60.60 68.61 69.95 j 73.91 i 74.30 k 68.33 58.39 46.70 44.00 53.71
1992 40.58 44.59 46.03 53.37 60.19 68.73 73.74 71.58 67.97 55.19 50.47 40.10 56.04
1993 43.87 39.18 43.84 49.63 62.32 69.53 73.94 71.16 68.47 57.10 47.63 36.55 55.27
1994 33.77 40.14 47.97 55.20 57.42 70.87 74.26 71.52 69.37 59.68 56.27 48.90 57.11
1995 42.81 40.64 51.61 59.28 a 68.48 71.80 75.58 75.23 70.83 64.13 47.53 42.15 r 60.72
1996 39.30 a 40.69 44.47 a 54.57 66.55 70.43 75.16 72.35 69.97 59.87 48.17 44.39 57.16
1997 41.10 45.48 a 56.06 53.14 i 60.16 66.67 72.48 71.35 68.90 60.74 49.30 43.71 57.81
1998 44.13 43.00 45.00 a 56.63 65.61 73.97 75.48 73.61 71.20 60.74 54.80 48.23 59.37
1999 44.57 c ----- z 46.15 e 58.96 b 63.41 d 70.93 c 76.72 b 76.30 d 69.70 g 59.36 f 52.90 a 45.04 f 61.24
2000 37.33 g 42.64 d 46.24 n 51.64 e 68.20 a 73.17 f 73.39 c ----- z ----- z 55.09 h 45.71 m 29.21 b 53.02
2001 29.17 g 42.62 g 46.21 g 55.65 g 64.25 c 72.21 f 73.08 e 74.30 h 67.88 f 55.73 e 53.33 f 50.31 e 60.84
2002 42.42 42.57 49.81 59.90 63.19 ----- z 76.35 74.29 73.47 64.06 49.43 40.68 57.83
2003 35.90 41.43 e 52.11 c 57.33 66.71 71.88 e 74.38 j 75.61 67.70 59.26 53.08 e ----- z 58.10
2004 36.94 39.83 e 49.90 55.93 69.08 e 75.00 75.74 72.03 66.74 k 60.78 d 50.83 f 38.43 h 59.47
2005 38.88 e 40.86 f 42.04 e 47.70 55.64 f 70.00 f 74.84 74.08 e 69.20 58.03 49.12 f 39.30 d 55.51
2006 43.52 39.50 b 45.77 57.30 63.62 e 69.08 e 73.68 f 75.32 66.08 e 54.10 46.90 44.68 55.08
2007 42.35 37.43 48.83 b 51.75 b 61.06 69.73 d 71.19 72.77 65.96 e 60.90 44.23 43.11 c 55.78
2008 35.39 39.18 g 44.52 51.50 59.20 f 69.40 70.39 70.10 63.83 f 51.16 40.92 e 40.10 52.61
2009 33.76 f 33.47 i 42.19 47.96 e 60.55 66.74 g 70.32 74.35 67.73 57.39 50.17 40.52 56.80
2010 34.06 33.68 44.00 55.63 63.58 74.43 73.52 d 74.45 70.60 57.32 48.73 35.03 55.42
2011 37.33 d 44.50 b 49.75 c 59.67 c 67.14 b 75.54 d 77.10 a 75.68 71.30 c 57.66 b 49.20 e 47.00 b 59.32
2012 43.43 c 46.00 a 56.36 f 59.66 a 68.50 u ----- z ----- z ----- z ----- z ----- z ----- z ----- z 49.69
Period of Record Statistics
MEAN 39.83 41.58 47.68 55.79 64.24 71.14 74.02 73.61 69.16 59.07 49.98 42.52 57.74
S.D. 4.39 4.29 3.66 3.20 3.07 2.41 1.68 1.57 2.11 3.46 3.92 4.48 1.54
SKEW 0.26 -0.34 -0.24 -0.69 -0.40 -0.11 -0.31 -0.42 -0.58 0.04 0.29 -0.26 -0.09
MAX 53.71 50.48 56.06 60.60 70.19 75.87 77.10 76.84 73.47 66.90 61.70 51.13 60.83
MIN 29.97 32.12 38.26 47.70 56.06 65.27 70.32 70.10 63.70 51.16 40.92 29.21 54.97
NO YRS 56 54 55 53 54 47 53 52 50 56 52 53 33