SUMMERVILLE, SOUTH CAROLINA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(388426)

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
1898 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 85.31 r 83.97 73.03 64.20 60.26 70.36
1899 59.13 58.52 a 71.68 71.87 84.13 88.23 87.16 88.71 81.90 73.94 66.47 58.81 74.21
1900 58.65 58.43 64.87 74.87 80.00 83.50 87.94 91.60 a 85.93 76.68 68.17 58.67 a 74.11
1901 58.71 55.75 67.60 a 68.53 82.10 b 83.97 87.21 g 84.26 82.50 75.33 a 61.63 57.97 70.76
1902 57.97 53.57 66.50 a 73.21 f 83.87 89.57 91.68 87.19 81.17 a 75.83 a 70.17 59.52 b 74.28
1903 55.29 62.96 72.68 72.97 a 78.58 83.23 86.68 87.90 81.47 71.48 62.83 a 55.55 72.63
1904 52.58 59.28 70.84 70.97 81.77 85.83 89.06 85.55 83.03 72.71 64.37 57.97 72.83
1905 54.32 52.43 71.13 76.31 a 83.10 87.33 87.90 85.90 84.40 75.45 70.17 57.52 73.83
1906 61.94 61.39 68.84 81.40 84.03 90.57 88.71 90.20 u 88.77 74.52 69.68 b 62.32 75.65
1907 69.10 60.86 81.16 71.50 84.03 88.67 92.61 89.52 88.23 75.39 67.83 61.00 77.49
1908 59.32 59.34 77.26 80.80 84.97 87.20 89.10 89.23 84.03 76.13 71.57 65.23 77.01
1909 64.74 67.93 70.68 78.17 82.23 89.03 87.90 88.10 82.13 75.23 72.27 57.81 76.35
1910 61.32 60.82 76.29 79.27 84.10 85.30 88.48 86.81 85.43 79.06 65.47 56.16 75.71
1911 66.03 68.18 71.65 76.50 87.29 94.20 89.87 89.61 88.13 77.39 65.00 63.58 78.12
1912 54.61 57.38 68.68 77.13 84.90 87.77 89.23 89.71 85.33 75.39 65.30 62.13 74.80
1913 68.94 62.75 70.45 74.13 85.45 88.67 94.23 90.39 82.50 72.94 67.53 60.94 76.58
1914 60.19 58.75 64.58 77.80 85.10 90.67 89.87 87.35 81.50 74.13 66.37 56.19 74.38
1915 58.77 63.14 61.55 76.60 84.68 86.53 90.68 88.58 85.60 77.39 69.37 57.32 75.02
1916 67.61 65.03 68.42 76.07 85.29 87.20 85.77 89.71 83.10 75.10 68.83 62.65 76.23
1917 64.68 65.11 71.29 78.80 80.03 87.97 89.61 88.19 80.37 76.23 65.13 52.58 75.00
1918 54.68 67.93 73.84 74.80 83.55 89.17 88.65 90.16 80.33 77.42 64.20 62.10 75.57
1919 63.06 60.32 69.58 76.03 81.90 84.43 87.77 86.39 82.13 82.58 70.90 a 62.03 75.60
1920 62.87 57.45 66.55 73.97 77.94 88.03 87.37 a 89.42 88.40 79.65 67.60 61.42 75.05
1921 63.74 65.18 78.10 77.77 81.55 92.57 88.48 89.74 93.17 76.74 72.03 66.74 78.82
1922 57.48 67.61 71.48 80.00 83.58 88.87 91.26 87.35 86.47 79.23 71.33 63.61 77.36
1923 64.74 61.07 71.32 77.30 80.29 88.10 89.06 89.84 87.40 76.48 64.87 65.68 76.35
1924 59.71 59.66 65.61 75.10 82.87 89.19 n 90.13 92.90 82.63 76.03 70.63 63.52 74.44
1925 60.39 68.71 71.68 80.97 84.61 91.50 93.81 92.42 g 96.17 a 79.65 65.87 63.38 r 79.33
1926 57.24 j 64.80 c 62.97 a 74.83 a 79.00 z 88.14 i 87.58 90.16 87.85 c 79.64 f 65.89 b 66.10 b 75.02
1927 61.55 b 71.00 a 67.90 a 77.50 b 85.24 b 88.44 n 83.27 p ----- z ----- z ----- z 72.43 p 62.10 b 70.88
1928 60.55 60.59 68.45 74.82 b 81.37 a 88.31 d 89.87 90.83 a 86.69 d 82.35 66.70 61.29 75.99
1929 63.23 59.46 72.35 78.90 82.26 86.17 88.61 91.57 a 84.00 77.00 70.88 e 60.68 76.26
1930 60.37 a 69.32 63.16 78.17 87.52 85.90 94.48 90.10 a 90.87 75.77 63.70 55.68 76.25
1931 58.65 64.82 62.93 b 74.07 82.74 90.50 94.06 90.52 90.47 84.03 74.93 71.16 78.24
1932 69.58 66.86 66.19 e 78.77 84.07 b 88.03 95.00 88.81 84.77 78.58 65.83 65.87 77.70
1933 65.58 63.75 68.42 76.40 90.03 91.00 89.52 91.00 90.70 78.10 67.00 69.10 78.38
1934 63.16 57.00 66.65 77.43 81.16 90.40 94.23 90.84 86.13 77.19 71.33 61.00 76.38
1935 61.84 62.54 74.52 78.00 83.74 88.13 86.13 87.90 82.37 76.90 67.86 a 52.23 75.18
1936 57.00 56.79 70.52 74.53 85.29 89.77 95.30 d 90.77 88.10 79.55 67.17 58.84 76.14
1937 69.06 60.43 67.39 75.93 84.84 89.87 89.52 88.39 83.93 74.06 65.17 56.87 75.45
1938 57.36 c 66.18 75.52 77.27 86.16 87.23 87.42 91.42 87.70 75.03 70.43 62.26 77.00
1939 64.87 67.89 73.77 76.07 80.97 89.80 90.10 88.10 85.90 82.42 64.47 63.13 77.29
1940 48.68 58.34 66.81 74.90 82.68 89.16 e 88.48 86.52 83.03 76.77 69.23 63.81 74.03
1941 59.35 57.50 61.77 77.90 86.45 87.27 89.13 91.87 87.93 83.68 71.40 63.77 76.50
1942 59.55 55.64 69.29 79.40 84.26 89.03 91.94 90.13 88.67 81.39 74.27 61.97 77.13
1943 60.81 64.18 67.32 75.50 83.81 92.90 90.39 89.93 a 82.67 76.77 69.57 62.00 76.32
1944 59.77 66.45 69.65 74.03 85.58 92.13 88.52 89.42 88.43 80.26 66.40 55.94 76.38
1945 61.00 65.61 80.67 a 80.23 79.77 91.17 89.16 88.16 88.23 77.00 72.40 55.81 77.43
1946 60.74 66.61 74.13 78.97 82.81 88.03 88.42 87.26 83.57 76.84 73.07 66.58 77.25
1947 64.61 57.46 59.68 77.17 83.29 86.67 88.71 88.16 84.70 79.68 62.47 59.26 74.32
1948 52.32 56.86 69.74 77.60 83.77 90.80 90.10 88.16 82.03 74.06 73.90 61.94 75.11
1949 68.00 66.18 68.81 75.13 83.45 86.03 89.42 88.00 84.38 a 79.19 68.27 62.90 a 76.65
1950 70.58 68.04 66.13 74.77 83.84 89.93 86.97 88.71 83.57 76.65 65.70 53.65 75.71
1951 60.42 62.93 67.74 73.30 83.29 89.17 90.39 90.65 84.07 78.42 64.47 63.55 75.70
1952 66.87 61.07 68.10 74.53 84.58 92.50 90.35 89.32 84.53 74.45 68.87 58.77 76.16
1953 61.74 62.89 70.00 75.67 88.68 89.03 90.65 89.35 85.73 78.58 67.83 59.71 76.66
1954 63.52 65.71 68.65 80.33 79.06 91.23 93.90 96.61 88.60 79.65 65.17 57.65 77.51
1955 57.42 61.75 73.19 78.00 85.61 85.70 89.23 90.23 82.23 76.94 68.00 55.87 75.35
1956 55.10 67.41 66.61 73.83 84.29 89.00 89.77 90.58 83.53 75.03 67.13 69.58 75.99
1957 59.61 68.89 65.58 76.93 81.10 84.90 88.03 88.39 85.27 71.84 68.50 61.03 75.01
1958 51.29 53.89 62.10 73.77 81.77 87.57 89.58 89.81 86.07 74.03 71.73 56.03 b 73.14
1959 57.19 62.21 65.35 76.67 85.61 88.97 88.23 89.74 83.30 78.06 66.87 58.39 75.05
1960 58.65 58.83 55.90 79.24 a 84.35 88.53 90.19 90.61 87.10 80.16 71.27 57.19 75.17
1961 55.77 63.64 74.19 71.57 79.71 85.90 89.90 87.77 87.20 76.68 72.53 63.26 75.68
1962 58.19 67.68 63.84 74.43 89.19 85.67 90.29 89.23 84.90 79.32 64.83 57.00 75.38
1963 54.68 56.00 73.65 77.77 82.39 87.43 89.26 91.23 82.53 78.61 69.37 53.19 74.68
1964 57.19 57.07 69.06 75.60 84.50 a 89.80 86.68 88.26 85.07 73.58 73.90 62.52 75.27
1965 61.71 61.18 66.00 76.47 88.13 85.23 89.52 90.52 85.07 75.83 a 70.07 62.00 75.98
1966 53.90 59.36 66.61 75.43 80.65 84.90 90.35 87.84 84.80 78.84 70.53 59.35 74.38
1967 61.00 57.68 72.42 80.23 81.52 84.27 87.42 87.00 80.53 76.13 67.93 66.29 75.20
1968 53.81 56.17 69.29 77.83 81.19 86.93 89.90 91.84 85.43 78.61 66.40 57.97 74.62
1969 55.29 56.96 62.94 76.23 80.94 89.50 92.71 86.45 81.07 77.19 65.17 57.35 73.48
1970 51.00 59.86 68.20 a 77.20 83.71 87.23 92.16 88.71 88.77 78.26 67.33 66.48 75.74
1971 58.45 62.11 63.00 76.03 79.19 89.33 88.19 88.03 85.53 78.65 69.33 67.71 75.46
1972 64.71 56.72 70.16 75.17 77.35 84.43 88.29 89.52 86.47 79.90 67.93 63.97 75.39
1973 57.97 58.54 70.74 73.27 82.29 86.30 90.48 88.35 87.50 80.06 73.00 60.97 75.79
1974 70.39 63.93 73.39 76.43 83.74 85.40 87.90 87.10 84.20 74.74 68.67 60.94 76.40
1975 63.52 65.68 68.48 72.97 84.35 87.43 87.00 90.48 84.07 79.29 71.10 62.39 76.40
1976 58.03 b 70.03 73.84 78.40 78.97 84.53 89.65 85.81 82.27 72.10 61.70 56.61 74.33
1977 47.33 a 60.07 71.19 79.83 84.23 90.83 94.90 89.29 87.40 73.81 70.53 59.19 75.72
1978 51.55 51.50 65.71 78.20 81.19 88.67 90.52 90.45 87.37 78.03 73.21 a 62.39 74.90
1979 57.45 55.32 69.19 78.00 80.87 a 83.90 87.97 90.32 82.03 77.71 71.37 61.23 74.61
1980 57.60 a 55.83 64.87 76.33 83.26 87.63 92.10 93.29 90.13 74.16 66.70 58.84 75.06
1981 53.52 60.68 66.23 79.83 83.19 93.00 90.55 85.03 83.47 74.42 66.73 55.90 74.38
1982 55.29 62.89 71.48 73.10 84.23 86.57 89.10 88.42 81.80 72.68 67.57 64.32 74.79
1983 51.10 57.96 65.52 71.00 81.77 85.73 92.42 91.90 83.87 76.45 65.77 57.71 73.43
1984 52.90 61.72 68.00 74.37 82.48 88.80 88.16 89.94 81.30 78.94 65.17 67.61 74.95
1985 52.68 60.32 72.68 78.63 84.68 90.17 88.23 87.68 83.87 80.35 75.60 58.58 76.12
1986 57.10 66.36 68.84 79.87 84.16 89.77 96.13 88.65 86.53 77.90 70.50 60.71 77.21
1987 56.10 57.21 66.58 73.10 83.61 88.30 91.90 92.23 85.93 72.77 71.57 63.90 75.27
1988 51.84 59.86 69.58 76.33 82.10 88.10 91.10 90.61 84.00 74.65 71.00 62.65 75.15
1989 65.90 65.25 68.55 76.57 82.48 90.50 90.68 87.45 84.13 77.00 72.23 52.10 76.07
1990 66.16 69.50 73.77 77.17 84.77 90.70 93.35 92.19 90.53 82.32 75.87 66.65 80.25
1991 60.45 67.21 72.45 79.77 85.94 87.93 91.06 90.03 87.80 80.00 67.90 66.32 78.07
1992 59.71 65.07 69.10 73.53 79.29 84.80 91.58 87.45 83.67 74.45 68.87 58.39 74.66
1993 60.33 a 57.46 65.13 72.50 82.42 90.20 96.35 92.29 87.07 75.06 68.20 58.03 75.42
1994 56.35 62.96 73.06 79.93 80.90 87.93 89.39 86.81 83.20 72.81 72.90 a 60.77 75.59
1995 58.33 a 58.68 71.74 78.29 b 87.03 a 85.63 91.10 89.39 81.33 78.42 64.93 58.42 75.27
1996 58.06 63.41 63.90 75.60 85.97 88.67 90.74 87.94 85.10 76.00 65.77 63.77 75.41
1997 59.65 64.46 76.03 73.97 79.84 82.97 90.48 88.48 84.67 75.94 64.63 59.26 75.03
1998 60.90 61.79 65.74 75.20 84.97 93.33 ----- z ----- z ----- z ----- z ----- z ----- z 73.66
1999 65.10 64.96 ----- z ----- z ----- z ----- z ----- z ----- z 83.87 75.83 b ----- z ----- z 72.44
2000 ----- z ----- z 72.97 72.87 86.87 88.50 90.81 ----- z ----- z 79.13 ----- z ----- z 81.86
2001 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2002 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2003 ----- z ----- z ----- z ----- z 81.03 ----- z ----- z ----- z ----- z ----- z ----- z 59.16 70.10
2004 57.42 60.27 g 72.42 77.07 84.94 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 72.96
2005 60.84 63.25 68.26 ----- z 84.38 e 86.57 92.23 90.13 89.43 78.26 70.03 58.71 76.55
2006 64.55 60.00 h 67.00 p ----- z ----- z ----- z 92.14 j 92.33 a 81.69 q 74.60 u 70.42 f ----- z 78.44
2007 64.43 a 61.07 74.33 a 78.13 83.26 88.33 90.00 e 94.71 j 87.23 80.77 71.10 68.90 a 77.05
2008 58.87 68.66 70.05 i 76.57 82.96 h 92.63 k 93.03 92.48 87.20 76.77 66.40 67.00 a 76.33
2009 58.00 a 62.36 67.35 k 74.43 83.06 91.46 f 90.88 f 92.06 86.80 ----- z 67.73 57.87 h 74.92
2010 53.97 49.18 63.19 75.43 85.08 g 93.33 f 93.92 e 92.50 e 89.87 80.03 69.97 55.08 g 74.23
2011 57.23 66.36 75.00 80.28 e 87.71 c 96.41 c 93.87 h 94.53 a ----- z 79.90 73.92 f 67.60 z 79.68
2012 68.75 o 66.78 f 79.81 j 80.21 b 84.56 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 80.21
Period of Record Statistics
MEAN 59.60 61.81 69.18 76.37 83.34 88.23 90.14 89.39 85.32 77.08 68.46 60.87 75.73
S.D. 4.89 4.52 4.33 2.55 2.44 2.55 2.29 2.05 2.92 2.69 3.17 4.01 1.33
SKEW 0.08 -0.17 0.03 -0.31 0.06 0.27 0.68 0.31 0.70 0.22 0.14 0.16 0.52
MAX 70.58 71.00 81.16 81.40 90.03 96.41 96.35 96.61 96.17 84.03 75.87 71.16 80.25
MIN 47.33 49.18 55.90 68.53 77.35 82.97 85.77 84.26 80.33 71.48 61.63 52.10 72.63
NO YRS 108 107 106 107 106 101 102 102 105 105 104 103 92