DURHAM, NORTH CAROLINA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(312515)

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
1899 ----- z ----- z 63.10 70.23 82.87 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 72.07
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 50.65 47.79 61.81 62.33 77.40 a 83.97 ----- z ----- z ----- z ----- z ----- z ----- z 63.99
1902 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1903 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1904 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1905 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1906 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z 100.00 z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1919 ----- z ----- z 67.25 g 74.77 86.48 91.73 93.37 a 91.19 85.97 78.55 59.00 49.71 78.97
1920 49.16 ----- z 62.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 49.16
1921 ----- z ----- z 71.65 k 73.43 74.61 87.10 89.77 89.84 91.87 74.97 57.80 43.70 h 79.92
1922 37.48 44.56 a 51.74 62.96 b 79.16 85.97 88.10 85.40 a 85.27 74.90 62.44 c 53.29 67.61
1923 52.23 48.29 61.97 b 68.20 77.13 a 88.33 88.90 87.52 83.37 74.29 g 58.03 59.19 70.29
1924 49.00 a 48.75 a 56.84 68.52 a 76.35 86.67 85.29 87.81 76.38 a 72.06 62.07 51.58 68.44
1925 46.63 a 60.43 63.84 73.10 a 74.63 a 90.57 92.94 87.77 89.57 68.61 56.60 48.68 71.11
1926 47.17 a 56.64 56.48 70.73 81.19 85.87 91.35 91.10 85.50 75.26 59.20 51.35 70.99
1927 49.23 60.14 62.81 69.70 81.29 81.90 87.58 83.87 83.80 74.10 64.13 53.06 70.97
1928 52.87 53.55 62.32 c 68.13 77.52 b 84.62 a 89.85 d 89.23 76.83 74.38 b 62.77 52.13 70.35
1929 52.61 49.74 a 66.48 74.80 80.26 84.27 87.13 85.81 80.63 69.48 60.67 53.26 70.43
1930 53.32 61.18 60.42 72.50 82.32 86.00 91.81 88.32 87.87 69.45 57.00 46.55 71.39
1931 52.16 57.71 55.90 70.07 79.61 89.53 93.35 85.84 88.53 77.70 a 68.83 59.97 73.27
1932 59.39 59.93 59.94 72.67 79.77 88.47 93.77 91.10 84.73 72.94 58.67 c 55.26 73.05
1933 58.71 54.64 62.84 72.86 a 85.55 91.47 90.10 87.35 89.57 75.74 62.27 58.10 74.10
1934 55.90 47.21 61.42 74.70 80.42 88.93 b 91.26 88.38 b 82.00 73.16 66.73 52.00 71.84
1935 49.97 55.57 68.39 68.53 77.81 88.20 87.77 88.58 80.80 73.94 63.20 44.61 70.61
1936 46.55 49.24 66.10 69.57 85.32 86.90 90.23 88.84 83.93 c 74.00 60.73 51.71 71.09
1937 57.58 ----- z 62.10 b 67.94 n ----- z 87.75 r 88.65 87.77 78.70 69.23 59.50 50.32 69.23
1938 50.97 59.04 69.03 72.83 79.84 83.57 86.39 90.68 81.10 72.71 66.17 52.55 72.07
1939 55.68 59.39 65.74 71.50 80.13 88.57 87.13 86.84 85.40 75.90 59.37 56.19 72.65
1940 40.35 53.55 59.81 70.40 79.16 88.00 89.03 85.74 81.50 73.29 61.77 56.13 69.89
1941 50.29 48.50 56.68 75.00 84.00 86.17 89.48 90.39 88.33 82.16 65.90 56.26 72.76
1942 51.16 49.96 64.77 76.27 80.48 88.53 89.77 85.90 83.50 72.71 62.60 48.39 71.17
1943 51.52 54.43 60.48 71.70 78.90 89.20 86.29 89.90 79.97 71.61 61.60 51.87 70.62
1944 51.35 53.83 59.23 72.17 83.90 89.37 86.68 85.61 81.60 72.23 58.83 48.29 70.26
1945 49.00 54.36 74.68 76.73 77.90 88.50 87.39 88.19 84.10 72.29 66.50 45.74 72.12
1946 51.42 57.61 68.61 74.53 79.03 86.20 86.23 84.42 81.57 72.45 66.80 58.58 72.29
1947 56.26 48.39 53.97 74.73 82.00 86.20 86.33 a 89.35 82.80 76.83 a 57.67 53.52 70.67
1948 46.03 53.28 67.03 75.30 80.17 a 86.57 90.97 88.45 82.23 71.65 67.53 55.81 72.08
1949 61.26 60.85 a 65.90 b 70.70 82.06 88.57 91.48 87.74 80.93 76.06 63.77 56.17 a 73.79
1950 63.42 57.21 61.97 b 72.57 80.61 87.33 86.48 87.77 80.73 75.65 63.70 49.33 a 72.23
1951 55.03 59.86 62.61 72.20 80.58 89.07 91.87 90.35 84.33 77.97 60.43 56.65 73.41
1952 58.26 57.17 61.87 72.77 82.45 93.63 95.00 88.77 82.37 71.90 65.30 53.13 73.55
1953 59.13 58.32 63.65 73.77 86.55 87.80 92.48 92.23 85.50 77.35 65.40 55.84 74.83
1954 55.71 62.14 64.74 78.60 76.80 a 90.33 93.87 91.16 90.63 79.13 a 58.50 51.71 74.44
1955 51.39 57.61 67.26 76.20 83.23 85.20 92.68 89.03 81.73 71.39 59.00 46.61 71.78
1956 49.65 56.28 60.74 69.83 79.94 87.77 88.87 87.32 79.07 69.55 59.47 61.68 70.85
1957 51.48 56.11 59.58 75.53 79.84 86.97 91.03 a 87.03 80.53 66.35 61.10 57.40 a 71.08
1958 45.87 46.39 56.48 72.37 80.29 86.77 90.74 88.58 83.53 71.97 66.13 49.94 69.92
1959 53.61 56.18 62.90 75.30 83.87 88.67 87.74 90.40 a 82.83 72.52 63.37 55.35 72.73
1960 52.55 52.52 50.16 77.40 80.03 87.90 88.10 88.81 81.70 73.16 66.43 50.68 70.79
1961 49.32 57.86 66.90 67.80 77.06 85.57 89.13 86.90 84.80 75.26 64.70 51.71 71.42
1962 51.33 a 56.82 57.52 70.67 86.03 84.47 87.42 87.35 80.87 75.52 59.07 49.13 70.52
1963 49.32 49.39 67.45 75.27 78.94 84.63 88.77 88.19 79.90 75.68 64.77 44.90 70.60
1964 52.90 51.93 63.77 71.37 80.13 87.70 86.35 85.58 81.57 68.71 67.57 55.77 71.11
1965 54.33 a 55.25 59.26 72.90 85.35 82.93 86.26 88.74 84.10 72.65 64.43 57.35 71.96
1966 46.73 a 51.93 64.45 70.20 78.94 86.00 91.73 a 87.27 a 82.97 71.39 63.87 52.26 70.64
1967 55.32 50.36 66.45 76.57 76.83 a 84.23 87.52 85.26 78.63 73.20 a 59.57 56.19 70.84
1968 48.90 50.31 68.55 73.07 79.16 87.40 89.48 93.10 85.87 75.16 63.30 49.84 72.01
1969 47.35 49.96 58.45 74.03 82.17 a 87.70 91.42 85.87 80.77 73.90 61.27 50.29 70.27
1970 47.67 a 55.82 60.42 75.00 83.03 88.40 89.71 87.19 88.53 73.32 61.57 55.97 72.22
1971 47.68 52.46 57.13 71.62 a 77.29 86.31 q 86.07 a 86.07 b 81.69 a 72.06 61.40 59.19 68.42
1972 54.42 48.21 61.10 68.93 74.65 83.00 a 88.94 86.94 82.17 69.06 60.47 54.19 69.34
1973 51.00 50.89 63.10 69.48 a 77.23 85.83 88.13 87.35 86.20 75.84 66.17 53.83 a 71.25
1974 58.19 53.79 65.77 73.03 77.90 82.30 88.45 84.58 78.40 71.68 63.60 53.42 70.93
1975 54.19 55.57 58.45 68.37 78.81 86.50 85.94 90.71 80.90 75.45 66.27 52.87 71.17
1976 48.94 62.86 67.65 76.23 76.94 83.47 90.23 87.45 81.90 66.97 56.77 48.42 70.65
1977 38.23 53.57 65.97 76.37 81.39 85.30 94.87 91.13 84.63 68.32 61.83 49.81 70.95
1978 41.55 43.25 56.61 72.00 76.06 86.50 88.29 89.68 83.87 71.83 a 64.30 54.68 69.05
1979 48.77 43.96 63.61 73.20 77.29 81.60 86.52 89.68 79.47 72.32 66.37 54.45 69.77
1980 49.26 49.03 57.61 73.33 79.94 84.60 90.19 92.55 86.03 68.48 59.77 52.52 70.28
1981 45.39 55.43 59.65 74.93 76.94 88.80 84.00 z 84.17 y 78.38 n 70.06 62.77 48.74 64.74
1982 42.71 54.75 60.65 68.70 83.00 83.37 87.74 85.03 76.67 z 71.32 71.44 u ----- z 70.81
1983 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1984 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1985 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 86.29 82.71 i ----- z ----- z ----- z 86.29
1987 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 93.29 84.87 70.29 67.53 56.00 74.40
1988 ----- z ----- z ----- z ----- z 81.77 86.53 87.48 87.39 74.10 ----- z ----- z ----- z 83.46
1989 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1990 ----- z ----- z ----- z ----- z 78.68 87.27 92.06 88.45 84.30 76.42 68.40 58.65 79.28
1991 51.87 57.14 65.42 72.83 83.45 87.80 92.03 87.45 84.13 74.16 61.73 58.35 73.03
1992 53.00 57.90 62.84 72.30 74.61 83.03 ----- z 84.42 83.53 72.13 61.80 50.71 68.75
1993 ----- z 52.04 57.65 70.90 82.07 a 89.13 96.16 90.71 86.40 71.61 62.03 50.77 73.59
1994 45.61 54.18 65.48 77.93 79.29 89.10 90.58 87.13 80.77 71.55 66.67 57.03 72.11
1995 51.16 51.36 66.29 74.00 80.87 84.23 91.90 91.29 79.93 75.84 56.23 48.74 70.99
1996 47.19 52.90 56.45 71.17 81.23 88.03 90.58 86.55 83.83 74.23 59.37 57.03 70.71
1997 54.58 59.36 70.58 72.38 n 80.97 84.90 92.42 90.68 i 81.88 n 73.42 58.20 49.87 69.37
1998 54.68 c 54.96 61.06 69.87 ----- z 86.43 88.61 86.10 83.80 71.87 62.03 54.65 70.37
1999 54.55 54.93 58.57 a 71.03 76.23 81.37 87.81 89.29 76.33 67.43 j 64.63 55.23 70.00
2000 48.13 57.11 a 64.84 66.83 79.84 84.43 83.23 83.06 75.55 a ----- z 57.20 45.10 a 67.76
2001 47.97 54.79 56.45 71.63 75.74 82.63 83.65 84.94 76.43 68.71 66.97 58.23 69.01
2002 50.55 55.18 62.74 74.07 75.81 88.00 88.90 86.74 78.43 66.87 56.10 48.03 69.29
2003 44.06 47.32 60.97 67.10 74.68 80.87 84.77 84.58 78.20 68.58 66.93 49.48 67.30
2004 46.48 47.76 63.16 71.30 80.90 85.40 87.45 81.13 77.60 68.26 62.43 53.48 68.78
2005 52.13 53.39 57.16 70.53 74.71 82.10 89.48 88.81 85.93 70.74 64.20 50.39 69.96
2006 56.10 53.57 62.52 74.30 74.94 82.40 87.10 89.68 76.30 71.16 61.70 60.74 70.87
2007 55.32 49.54 71.17 a 71.80 77.39 83.80 88.26 93.87 86.47 77.65 62.80 59.03 73.09
2008 49.00 a 58.76 63.90 69.90 74.81 89.60 85.77 85.77 80.67 69.58 59.40 54.52 70.14
2009 48.58 53.43 57.58 72.17 77.39 83.63 83.90 85.94 77.67 67.35 63.47 48.84 68.33
2010 45.42 44.14 60.03 75.00 78.06 88.33 89.61 85.77 84.28 l 73.70 k 60.43 41.05 i 69.65
2011 45.13 h 54.17 d 59.67 j 70.00 f 75.86 c 87.40 86.93 d 87.54 e 75.92 d 69.04 f 64.88 e 56.44 f 76.10
2012 55.57 j 56.53 n 73.17 s 70.14 i 80.12 w ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 50.88 53.73 62.14 72.22 79.60 86.45 89.16 87.94 82.48 72.76 62.38 53.04 71.16
S.D. 4.85 4.52 4.43 3.04 3.04 2.59 2.70 2.41 3.69 3.12 3.25 3.98 1.54
SKEW -0.17 -0.26 0.00 -0.58 0.30 -0.08 0.23 0.10 0.08 0.24 -0.01 -0.04 0.05
MAX 63.42 62.86 74.68 78.60 86.55 93.63 96.16 93.87 91.87 82.16 68.83 61.68 74.83
MIN 37.48 43.25 50.16 62.33 74.61 80.87 83.23 81.13 74.10 66.35 56.10 44.61 67.30
NO YRS 82 82 83 83 86 85 84 86 83 81 85 82 69