SUMMERVILLE, SOUTH CAROLINA

Monthly Average Minimum 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 72.15 r 67.43 55.29 44.17 40.87 51.94
1899 37.97 37.19 a 46.61 50.10 62.65 67.97 70.39 72.19 64.37 57.29 46.87 37.97 54.30
1900 36.58 41.29 43.35 54.43 59.19 67.30 71.77 71.94 67.33 60.13 46.20 39.32 54.90
1901 36.68 35.93 44.87 46.60 61.37 a 67.87 72.38 b 70.66 b 66.27 52.03 37.37 37.32 52.44
1902 35.68 35.29 47.55 49.35 d 63.06 64.97 a 71.52 69.39 63.93 54.39 c 51.50 40.19 53.90
1903 38.19 43.29 53.06 49.27 61.42 65.83 70.28 b 72.03 64.20 52.19 42.63 31.65 53.67
1904 33.90 38.41 48.45 48.80 57.97 65.87 69.48 68.77 64.47 53.39 42.03 37.48 52.42
1905 33.29 34.14 46.52 b 52.33 64.52 67.53 71.10 68.68 67.30 56.13 44.27 39.10 53.74
1906 40.55 37.14 44.06 51.27 58.87 68.53 70.39 71.73 e 68.57 54.13 42.10 37.52 53.74
1907 44.58 38.36 51.13 46.83 59.81 64.80 71.26 70.71 68.87 51.61 44.47 38.84 54.27
1908 36.58 37.00 50.90 57.23 60.55 66.87 70.48 69.26 63.77 51.97 46.17 41.87 54.39
1909 41.77 40.64 45.32 53.70 58.58 68.93 68.48 70.13 63.97 49.68 46.90 33.77 53.49
1910 36.58 37.39 47.32 50.47 59.45 65.77 70.16 70.39 66.13 57.32 40.80 32.74 52.88
1911 41.26 42.36 43.97 52.50 59.65 68.70 69.16 69.87 69.33 60.16 44.90 43.13 55.42
1912 34.45 34.14 45.10 55.00 63.26 67.27 70.00 70.03 70.20 56.16 40.67 42.39 54.05
1913 48.16 42.21 50.29 49.57 58.26 64.67 71.71 68.97 63.07 52.97 42.07 40.84 54.40
1914 37.55 36.39 39.10 53.30 59.39 69.83 69.74 70.81 62.80 57.97 42.77 40.45 53.34
1915 38.45 40.29 36.52 49.90 65.16 66.63 71.39 71.13 68.47 59.74 47.90 34.65 54.18
1916 45.06 40.48 43.29 50.93 62.42 66.47 71.10 71.39 63.13 57.29 44.73 40.48 54.73
1917 43.33 a 39.39 48.00 53.77 56.13 66.93 71.13 70.13 64.03 50.10 38.47 31.84 52.77
1918 30.03 44.11 51.10 53.03 61.19 67.00 67.48 70.48 61.27 60.16 43.33 44.42 54.47
1919 37.94 40.07 48.32 50.90 62.84 67.14 a 71.10 70.81 64.17 65.97 48.38 a 38.29 55.49
1920 39.45 37.24 43.00 a 53.40 58.97 67.07 69.43 a 69.87 66.83 51.97 43.67 38.32 53.27
1921 38.65 40.32 51.84 51.30 57.58 66.52 a 71.03 70.32 68.57 52.68 49.47 39.90 54.85
1922 37.39 46.86 46.65 54.37 62.55 68.07 71.16 68.42 66.07 56.74 44.90 45.00 55.68
1923 40.58 38.57 46.81 50.73 59.00 66.57 69.06 71.42 66.67 53.65 41.47 46.10 54.22
1924 37.74 36.28 41.71 51.30 57.35 67.12 n 69.32 69.65 63.53 52.32 43.33 41.29 51.26
1925 38.06 41.89 45.87 52.63 55.29 68.57 70.90 65.17 h 69.34 a 54.87 43.03 a 35.85 e 52.39
1926 36.76 b 40.26 a 39.28 b 48.64 b 57.57 c 66.58 k 70.96 f 71.74 68.43 55.28 b 43.25 b 41.71 c 50.29
1927 37.67 a 48.54 46.74 52.64 b 59.89 c 68.76 m 68.61 c 69.10 a ----- z ----- z 42.93 p 37.30 a 52.56
1928 31.71 37.38 45.03 52.89 b 57.68 66.69 d 71.55 72.16 66.19 c 58.03 41.00 37.90 53.18
1929 40.10 39.36 49.84 54.87 60.42 65.60 68.40 a 69.32 68.48 c 53.35 48.64 b 35.19 54.46
1930 38.42 39.25 42.29 51.97 61.55 65.17 72.13 67.84 68.87 49.48 43.93 33.81 52.89
1931 32.68 34.25 40.06 50.60 58.35 65.70 72.61 69.32 65.73 51.65 44.00 45.48 52.54
1932 44.84 45.59 39.77 50.13 59.18 c 69.93 72.68 71.10 65.07 55.58 43.47 43.23 55.05
1933 42.19 39.18 43.74 51.67 64.48 66.13 69.61 71.90 68.80 54.87 40.73 40.84 54.51
1934 36.94 30.50 41.71 53.57 59.84 69.37 72.13 71.65 67.73 53.35 42.77 35.84 52.95
1935 38.48 36.61 49.06 52.83 60.94 67.33 71.35 71.42 66.53 53.74 46.43 29.77 53.71
1936 33.23 35.69 47.35 51.80 58.68 65.47 71.11 d 71.13 67.37 58.71 40.83 40.35 53.48
1937 53.55 38.14 41.35 51.37 59.42 69.47 70.77 70.74 63.93 52.23 40.47 33.84 53.77
1938 36.39 43.39 48.45 52.20 63.45 66.70 69.16 71.87 65.77 50.48 45.13 33.94 53.91
1939 35.81 42.79 48.06 51.13 58.68 71.30 72.06 70.71 68.37 55.90 36.93 33.94 53.81
1940 25.65 34.90 41.84 49.53 57.16 69.96 e 70.77 71.35 63.00 50.48 43.33 40.48 51.54
1941 34.13 30.61 38.16 53.73 57.55 69.50 73.23 73.32 66.80 60.26 41.40 39.61 53.19
1942 33.68 33.11 45.10 49.23 59.90 68.47 73.39 70.26 66.03 54.48 45.27 35.32 52.85
1943 37.94 37.14 42.74 49.10 62.10 71.37 72.32 70.90 61.83 50.65 39.03 34.03 52.43
1944 37.19 42.34 46.48 51.97 60.87 68.77 69.29 69.68 68.53 51.23 40.90 30.45 53.14
1945 36.06 40.61 49.20 a 56.60 57.61 68.87 72.52 70.26 69.67 52.84 44.23 32.74 54.27
1946 39.26 37.18 50.32 50.93 62.42 66.27 70.13 68.16 63.97 55.19 51.17 39.10 54.51
1947 43.87 30.46 39.16 55.97 61.87 66.47 68.16 70.74 66.17 61.81 46.40 38.26 54.11
1948 32.03 37.83 50.23 54.97 61.61 68.03 72.77 69.16 65.40 49.29 49.70 43.52 54.55
1949 46.52 46.71 44.48 53.17 59.97 68.20 71.71 71.65 66.28 a 60.84 41.23 38.33 a 55.76
1950 47.52 40.89 42.58 49.20 62.87 69.47 70.87 67.71 65.00 57.58 39.60 32.06 53.78
1951 36.16 36.25 46.90 51.20 55.81 67.33 69.87 71.16 66.23 59.23 40.63 41.52 53.52
1952 43.81 39.10 44.61 51.20 61.32 72.67 71.71 70.94 65.07 49.58 43.57 35.77 54.11
1953 40.45 41.11 47.35 50.57 65.06 68.73 71.03 69.29 65.13 54.87 41.07 37.03 54.31
1954 38.58 40.46 43.35 55.57 56.97 67.33 71.55 70.71 66.57 53.00 41.10 34.00 53.27
1955 35.10 38.89 48.03 55.60 61.97 63.80 71.52 71.77 68.97 52.65 41.43 35.52 53.77
1956 31.23 44.41 43.42 51.43 62.77 66.80 71.55 69.58 63.63 59.55 42.40 43.94 54.23
1957 39.19 45.79 44.58 53.70 62.77 69.60 70.19 68.90 68.07 52.74 47.30 37.35 55.02
1958 31.00 30.14 42.03 52.93 61.42 68.37 72.58 71.71 66.43 50.65 47.07 32.62 b 52.25
1959 33.30 a 43.79 41.97 52.63 62.77 66.93 71.23 70.77 67.33 60.03 44.83 36.48 54.34
1960 36.52 35.21 33.55 50.90 a 58.42 66.87 70.58 70.61 65.77 54.84 42.20 26.42 50.99
1961 29.26 39.75 46.10 46.37 58.58 65.97 70.35 69.84 66.00 49.61 46.73 36.35 52.08
1962 34.23 41.14 41.87 47.47 62.06 66.80 70.48 68.97 63.10 53.35 41.43 32.52 51.95
1963 31.48 32.18 44.65 51.67 58.29 68.17 68.35 68.90 62.07 50.81 41.77 29.13 50.62
1964 32.23 32.76 43.61 52.77 60.10 a 69.20 69.03 69.48 64.07 50.52 45.40 39.29 52.37
1965 33.52 37.46 42.26 52.17 60.81 66.00 69.55 70.26 66.00 52.57 a 43.33 32.81 52.23
1966 30.65 35.82 39.16 50.03 61.42 61.70 70.97 69.03 63.47 52.71 40.90 34.48 50.86
1967 36.03 33.96 45.29 53.43 58.45 64.87 68.32 68.23 58.03 46.61 37.27 39.13 50.80
1968 31.32 27.17 38.81 53.30 57.84 66.57 69.13 70.71 62.80 54.97 41.20 32.35 50.51
1969 30.71 34.18 37.58 51.60 57.10 68.20 71.68 68.16 64.93 56.23 38.63 30.48 50.79
1970 27.39 32.82 44.13 a 52.80 57.58 65.33 69.55 71.29 65.07 55.68 38.33 37.16 51.43
1971 35.77 34.96 39.16 46.80 56.90 66.97 70.00 69.97 66.33 59.81 42.23 47.87 53.07
1972 42.58 37.07 42.26 50.80 58.61 60.30 68.32 69.10 64.03 52.58 43.23 41.65 52.54
1973 35.48 32.89 49.65 48.20 57.81 67.57 70.19 69.00 66.37 53.26 44.63 36.45 52.62
1974 49.16 36.04 46.74 48.93 61.00 64.73 66.29 68.71 64.67 44.29 38.70 35.97 52.10
1975 41.32 42.18 42.61 49.60 63.13 67.50 68.81 69.32 65.67 54.97 42.77 34.10 53.50
1976 31.52 b 38.66 48.55 47.17 57.61 64.90 69.71 66.81 62.97 47.19 37.20 34.48 50.56
1977 25.43 a 29.93 46.29 49.03 56.74 65.73 69.39 69.19 66.10 48.29 46.83 35.32 50.69
1978 30.03 29.11 41.32 50.10 58.19 65.73 70.00 69.35 65.17 49.16 50.33 36.55 51.25
1979 31.71 33.07 42.87 51.70 60.37 a 63.43 69.65 67.94 67.73 50.13 39.81 c ----- z 52.58
1980 37.10 a 31.55 42.32 50.43 56.77 66.13 70.68 70.29 67.07 49.65 39.37 31.58 51.08
1981 25.61 36.07 38.68 52.97 56.58 70.97 72.23 69.90 61.70 49.55 41.67 33.26 50.76
1982 31.94 40.25 46.26 50.53 60.48 68.67 71.94 71.03 64.43 54.68 48.87 44.32 54.45
1983 33.84 36.46 42.61 45.43 58.55 65.23 71.71 72.10 64.43 56.81 41.13 37.29 52.13
1984 33.39 37.21 42.03 50.17 58.61 67.33 69.29 69.87 62.10 59.90 39.50 42.42 52.65
1985 29.71 37.86 44.13 50.83 59.77 68.27 69.97 69.48 63.27 61.13 55.79 a 32.00 53.52
1986 28.58 39.50 42.45 47.50 58.19 69.53 72.61 69.65 66.47 54.94 53.20 40.39 53.58
1987 32.81 35.32 42.35 45.63 57.94 67.90 69.48 71.52 66.67 44.87 43.93 37.26 51.31
1988 29.71 33.52 39.68 47.47 55.19 60.33 68.84 71.35 66.23 46.81 44.63 32.29 49.67
1989 39.61 39.29 46.26 47.60 54.58 68.13 70.32 68.39 66.23 54.10 44.67 28.90 52.34
1990 38.42 43.71 46.52 48.00 58.39 65.80 71.39 70.48 62.33 56.06 43.27 43.81 54.01
1991 40.10 40.00 46.68 56.77 65.94 68.27 71.94 71.19 64.73 52.00 39.93 39.06 54.72
1992 34.29 40.21 40.87 48.73 56.65 66.87 72.29 70.52 65.43 49.42 48.23 37.94 52.62
1993 41.10 a 36.00 41.61 44.87 60.32 67.73 73.13 69.71 65.93 55.06 46.07 34.71 53.02
1994 32.45 39.71 45.39 52.10 57.61 68.57 71.35 68.52 62.80 54.55 50.72 a 42.90 53.89
1995 35.47 a 35.29 45.29 54.07 62.07 a 67.80 71.77 72.19 65.70 58.48 39.23 32.06 53.29
1996 32.71 34.55 38.87 46.17 59.32 64.47 70.94 67.68 63.13 50.87 39.23 35.74 50.31
1997 36.71 39.50 48.90 45.50 53.26 65.07 69.94 66.68 64.13 53.23 41.10 37.06 51.76
1998 39.16 38.79 41.94 51.00 60.84 68.13 ----- z ----- z ----- z ----- z ----- z ----- z 49.98
1999 36.65 36.48 a ----- z ----- z ----- z ----- z ----- z ----- z 61.79 b 52.63 a ----- z ----- z 46.89
2000 ----- z ----- z 43.97 b 47.38 a 60.53 a 66.45 a 71.17 a ----- z ----- z 46.83 b ----- z ----- z 56.05
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 60.67 d ----- z ----- z ----- z ----- z ----- z ----- z 29.61 45.14
2004 30.23 37.68 g 42.74 50.67 64.10 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.93
2005 35.75 c 38.88 d 41.29 ----- z 57.15 e 69.00 d 73.97 73.87 68.33 56.48 43.03 32.57 c 53.67
2006 37.81 d 34.81 g 42.73 p ----- z ----- z ----- z 70.33 j 72.65 67.45 s 47.10 u 40.96 f ----- z 55.23
2007 40.90 a 33.33 a 44.47 a 45.57 58.97 68.37 69.42 e 74.24 j 66.87 60.03 36.27 40.32 51.32
2008 36.68 40.90 42.70 h 49.73 56.30 h 69.05 j 69.77 71.45 64.70 49.58 39.97 40.07 a 51.43
2009 36.14 b 32.50 d 43.95 k 43.37 61.97 69.75 f 70.00 f 70.39 63.83 ----- z 42.47 35.65 h 50.09
2010 28.73 a 26.29 36.42 45.87 62.58 g 70.71 f 71.38 e 73.42 e 64.57 51.29 40.52 e 26.17 g 48.72
2011 28.00 a 40.04 42.45 49.92 d 58.29 c 67.41 c 71.78 h 71.17 a ----- z 46.90 40.75 f 36.00 z 50.52
2012 38.12 o 39.48 f 52.71 j 50.75 b 60.56 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 50.75
Period of Record Statistics
MEAN 36.35 37.75 44.31 50.86 59.77 67.15 70.64 70.25 65.51 53.88 43.36 37.19 53.15
S.D. 5.16 4.25 3.75 2.81 2.47 2.03 1.40 1.39 2.19 4.04 3.68 4.34 1.38
SKEW 0.43 -0.12 -0.09 -0.21 0.14 -0.57 -0.09 -0.07 -0.24 0.18 0.71 0.05 -0.43
MAX 53.55 48.54 53.06 57.23 65.94 72.67 73.97 73.87 70.20 65.97 55.79 47.87 55.76
MIN 25.43 26.29 33.55 43.37 53.26 60.30 66.29 66.68 58.03 44.29 36.27 26.42 49.67
NO YRS 109 107 106 108 107 101 103 104 105 106 104 103 94