DOVER, DELAWARE

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(072730)

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
1893 32.23 42.61 49.23 62.90 70.84 80.17 83.84 81.71 73.73 65.39 52.07 46.71 61.78
1894 46.10 41.68 57.48 ----- z ----- z 83.20 85.61 79.48 h 77.03 63.15 d 48.00 h 44.35 62.33
1895 39.68 32.96 48.65 61.67 70.84 82.23 80.35 84.74 78.60 60.81 54.33 46.61 61.79
1896 38.52 43.79 45.90 64.40 78.10 b 77.77 83.45 83.63 a 74.53 60.42 59.33 41.52 62.61
1897 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1898 43.16 43.61 57.48 59.53 70.06 80.80 85.29 84.19 78.70 65.50 a 51.87 43.84 63.67
1899 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 75.44 d 83.59 c 84.31 b 84.47 a 80.97 65.17 b 55.43 45.06 71.81
1907 46.39 37.82 55.87 56.87 69.35 75.60 86.32 82.71 81.20 j 63.16 51.69 d 49.61 61.40
1908 44.10 40.00 57.42 68.83 76.03 86.20 89.52 83.55 79.80 72.97 59.13 46.97 67.04
1909 47.10 54.00 51.45 65.60 75.48 82.63 85.19 83.74 78.07 65.77 60.03 41.45 65.88
1910 40.68 45.64 61.97 70.50 74.13 80.10 89.10 85.13 83.20 72.00 52.43 38.48 66.11
1911 47.81 43.04 51.32 60.27 81.58 81.73 90.19 85.94 79.20 67.35 54.93 50.13 66.12
1912 35.26 39.55 49.10 63.77 75.71 81.77 85.71 84.26 80.40 71.87 58.40 50.81 64.72
1913 54.94 45.64 59.39 64.70 75.29 83.87 88.61 84.90 78.77 68.61 59.90 49.03 67.80
1914 46.45 40.50 48.13 64.43 78.74 87.30 87.19 88.39 77.67 70.77 57.97 40.13 65.64
1915 44.87 47.32 47.48 70.30 72.06 78.87 86.10 82.97 81.00 67.97 58.13 42.42 64.96
1916 49.16 42.46 a 44.61 61.67 75.40 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z 54.66
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 ----- z ----- z ----- z ----- z 87.56 v 82.71 79.73 73.68 56.93 41.84 66.98
1920 36.26 38.83 54.94 63.37 70.52 82.57 85.29 83.00 78.60 72.81 54.97 47.19 64.03
1921 47.32 48.43 69.35 71.00 72.97 86.60 90.00 84.74 85.57 70.39 58.47 45.45 69.19
1922 39.71 46.82 54.55 64.17 76.06 82.37 84.68 81.29 78.63 70.61 57.27 45.13 65.11
1923 44.10 b 40.75 55.17 a 63.17 74.10 85.83 83.52 81.90 77.33 66.45 53.47 53.45 64.94
1924 46.39 40.52 b 51.29 61.30 70.13 78.60 83.55 84.29 73.50 68.90 56.87 46.35 63.47
1925 41.65 53.79 58.00 66.37 72.48 89.40 86.35 83.65 82.23 62.10 53.83 44.48 66.19
1926 43.71 44.07 50.13 62.90 75.55 81.07 86.35 86.00 78.70 67.55 55.57 39.87 64.29
1927 42.55 50.18 56.42 61.40 71.97 79.07 85.97 79.07 a 79.97 69.70 a 62.40 49.03 65.64
1928 46.23 45.31 52.13 63.23 72.32 80.00 87.68 86.32 73.27 69.94 57.90 46.71 65.09
1929 43.81 44.64 59.65 66.90 74.65 83.33 86.26 84.35 80.57 65.52 55.73 46.61 66.00
1930 44.55 51.61 54.71 61.33 78.52 86.00 89.97 86.06 84.13 66.52 55.83 42.90 66.84
1931 44.87 46.89 47.77 62.70 72.74 82.97 89.90 a 85.61 84.53 72.97 62.90 54.03 67.32
1932 54.90 51.31 49.90 63.67 74.10 83.03 87.61 88.35 80.83 68.68 55.28 a 49.48 67.26
1933 51.97 48.14 51.10 63.23 77.39 85.63 85.06 84.94 81.10 67.32 53.40 46.06 66.28
1934 47.45 32.25 51.29 62.67 76.26 86.90 88.45 82.19 77.73 65.39 59.00 45.26 64.57
1935 41.71 42.71 59.65 60.37 71.81 81.37 86.23 82.87 75.43 68.87 57.97 38.06 63.92
1936 38.52 35.66 58.29 61.70 78.52 82.14 a 87.16 87.39 78.63 68.45 53.97 47.97 64.87
1937 51.06 44.46 47.29 62.00 75.81 81.80 85.35 86.39 76.23 65.06 55.90 44.10 64.62
1938 42.74 49.75 59.00 67.24 a 72.35 81.43 87.23 88.06 77.00 68.90 60.90 46.03 66.72
1939 43.60 a 51.25 56.55 63.37 77.77 85.77 86.10 86.13 79.97 69.61 53.47 47.32 66.74
1940 32.06 43.52 47.42 58.13 73.13 84.50 87.77 81.65 77.43 64.68 55.97 50.74 63.08
1941 40.81 41.25 47.39 69.07 79.65 81.97 86.77 86.39 85.70 76.13 61.90 50.71 67.31
1942 43.23 41.57 55.58 69.00 78.90 83.73 88.32 82.97 81.07 68.97 59.83 42.65 66.32
1943 43.29 48.82 57.06 63.10 76.19 88.57 ----- z 88.45 80.50 66.35 57.10 46.39 65.08
1944 45.00 45.48 51.55 63.50 79.45 84.83 89.13 86.58 79.77 67.52 55.43 41.97 65.85
1945 37.74 46.29 66.90 67.83 72.03 83.57 84.29 83.81 82.17 67.65 60.63 38.39 65.94
1946 46.03 48.82 63.00 65.30 72.84 81.90 83.94 80.52 80.13 71.23 62.60 52.39 67.39
1947 52.06 40.54 ----- z 67.20 75.23 81.17 84.61 85.55 78.03 73.29 53.37 44.13 66.83
1948 35.48 44.10 58.48 62.63 74.00 82.07 86.55 84.90 79.90 65.10 61.47 48.77 65.29
1949 51.97 52.59 f 56.10 64.23 74.68 84.57 90.61 86.70 a 77.87 71.06 58.86 b 50.39 69.73
1950 57.11 c 45.07 a 52.03 62.27 72.03 82.40 85.70 a 84.74 74.53 70.13 59.17 43.11 d 65.69
1951 47.13 48.68 54.16 65.90 76.78 d 82.93 87.71 85.58 80.83 70.97 55.27 51.39 67.28
1952 48.16 47.86 51.90 66.13 74.52 86.87 89.68 85.03 80.96 e 67.35 57.20 46.97 66.89
1953 48.76 j 51.57 55.55 64.00 77.77 83.87 89.48 85.61 81.97 71.06 58.33 50.58 69.98
1954 45.06 55.04 54.93 d 70.10 72.84 85.27 89.81 86.65 81.23 72.06 54.43 45.94 67.78
1955 41.35 47.61 57.52 67.40 78.06 80.07 92.00 87.45 78.90 71.39 56.57 40.61 66.58
1956 40.39 49.62 52.32 62.23 76.32 84.97 84.87 84.10 77.67 69.17 a 56.22 g 54.10 66.89
1957 40.55 48.21 52.61 70.27 77.94 86.33 89.90 86.97 81.93 66.74 59.28 a 50.03 67.56
1958 41.42 38.64 48.55 66.03 74.55 81.73 87.35 83.84 79.87 69.13 59.97 40.61 64.31
1959 44.81 47.21 57.03 a 68.87 79.87 85.97 87.61 86.90 82.67 73.13 58.17 50.63 a 68.57
1960 44.13 46.62 44.20 a 73.17 73.94 84.43 86.19 86.74 80.30 69.16 60.73 41.68 65.94
1961 38.32 48.61 56.90 61.50 71.65 83.17 86.68 85.23 83.97 71.03 58.80 44.29 65.84
1962 44.77 42.36 52.13 66.57 78.90 83.23 85.85 d 85.87 76.63 70.52 53.53 39.84 65.02
1963 40.42 41.25 59.52 67.63 75.81 84.43 88.13 84.52 75.77 74.55 59.93 38.65 65.88
1964 46.52 43.48 58.10 62.00 78.55 86.10 87.39 84.74 81.20 67.55 62.33 49.94 67.32
1965 42.13 47.93 51.87 62.77 82.23 84.33 87.71 86.74 82.40 68.80 a 59.30 50.16 67.20
1966 38.77 44.11 57.94 59.33 74.97 85.53 90.52 87.81 77.67 69.23 59.13 46.39 65.95
1967 49.45 44.00 51.68 68.00 70.55 85.23 84.61 83.23 78.13 68.74 53.67 47.90 65.43
1968 39.45 42.45 58.74 67.73 73.32 84.00 87.71 88.84 82.37 70.03 57.77 44.48 66.41
1969 41.00 41.07 51.42 69.23 75.81 84.93 84.58 85.35 79.63 68.65 55.47 41.94 64.92
1970 37.19 46.04 48.84 63.97 76.45 82.80 85.90 87.42 85.37 69.74 57.37 45.77 65.57
1971 39.19 47.32 51.55 65.77 72.06 83.17 87.45 84.32 78.87 72.52 56.77 53.84 66.07
1972 46.48 44.00 52.23 62.60 73.52 78.77 86.16 85.48 79.47 65.42 54.10 50.87 64.92
1973 46.45 45.54 58.32 64.27 71.77 83.90 87.16 86.87 82.57 ----- z 61.43 50.97 67.20
1974 49.35 46.64 57.84 69.30 74.65 79.40 87.65 85.19 79.20 68.65 60.17 51.35 67.45
1975 50.29 47.46 53.29 59.63 76.55 82.57 85.94 88.52 77.30 72.29 63.80 48.74 67.20
1976 41.48 56.62 61.16 69.43 75.42 87.13 86.16 85.52 79.90 63.65 53.13 43.71 66.94
1977 33.65 48.61 62.26 70.83 79.48 82.80 90.32 88.35 82.43 67.71 58.77 47.42 67.72
1978 39.45 35.68 52.42 66.77 73.48 84.40 86.03 86.77 ----- z 70.74 60.60 51.71 64.37
1979 ----- z 34.46 60.10 63.07 76.45 78.63 85.10 85.87 78.90 67.42 62.53 50.48 67.55
1980 43.65 41.97 52.55 67.33 78.29 82.83 89.74 88.97 84.07 ----- z 56.60 46.19 66.56
1981 37.48 51.00 52.90 69.53 73.61 84.33 87.68 84.45 78.00 66.03 56.40 42.87 65.36
1982 36.90 46.25 54.61 64.70 76.77 79.90 87.42 84.68 79.37 69.35 61.90 53.90 66.31
1983 44.68 45.18 55.74 63.33 73.94 83.80 90.74 88.16 82.60 69.52 59.87 45.26 66.90
1984 38.84 51.28 48.48 63.07 74.68 86.50 86.03 86.45 79.10 73.48 58.03 56.26 66.85
1985 38.48 47.18 59.32 71.27 78.55 81.87 87.29 84.81 81.90 72.32 63.63 45.55 67.68
1986 46.58 42.25 58.87 65.50 80.19 86.87 88.16 84.94 80.80 72.26 57.60 48.97 67.75
1987 41.94 42.43 57.67 a 63.43 77.16 87.67 92.32 87.68 81.07 67.58 62.67 50.90 67.71
1988 40.32 48.66 57.42 62.73 74.74 85.87 92.84 89.03 79.13 64.90 61.23 48.58 67.12
1989 48.58 47.50 53.31 b 63.90 73.68 85.10 87.00 84.19 80.20 70.35 57.43 36.26 65.63
1990 51.29 56.71 58.39 65.83 70.42 82.27 89.42 86.19 79.03 74.16 62.67 53.87 69.19
1991 47.23 53.89 57.71 67.57 82.65 86.57 88.35 87.23 80.20 70.90 59.20 53.32 69.57
1992 47.90 49.07 49.87 61.93 70.48 78.10 85.03 81.03 76.23 65.48 54.77 46.03 63.83
1993 46.65 42.36 48.55 62.93 74.52 82.10 88.32 85.00 78.10 67.84 58.70 44.26 64.94
1994 36.65 43.39 52.26 70.57 72.52 85.27 87.03 82.06 77.50 67.16 63.40 52.00 65.82
1995 46.65 43.07 56.26 66.90 73.06 80.30 88.42 86.84 78.53 71.10 52.87 40.84 65.40
1996 42.10 44.24 50.23 64.47 70.03 81.30 82.65 82.26 77.93 67.90 51.33 49.06 63.63
1997 43.26 51.07 55.55 61.97 71.03 79.50 86.48 83.74 77.20 67.90 53.07 48.16 64.91
1998 50.74 49.93 54.71 66.63 74.68 80.77 85.65 84.32 82.00 67.35 59.77 51.68 67.35
1999 48.61 48.68 53.16 65.23 73.74 81.77 89.16 86.00 76.60 68.00 62.50 49.55 66.92
2000 43.26 50.34 58.68 61.77 74.81 83.17 80.45 81.06 75.37 70.10 54.67 38.94 64.38
2001 41.13 49.14 49.90 66.23 74.48 82.50 82.87 86.00 76.57 70.61 63.27 53.32 66.34
2002 48.55 53.36 58.23 68.07 74.35 83.87 88.48 87.94 80.43 66.13 55.07 44.10 67.38
2003 38.00 39.86 56.29 63.07 67.52 78.97 85.77 86.13 78.63 67.29 63.43 46.71 64.31
2004 36.81 45.90 56.13 64.73 79.97 81.43 84.61 83.35 78.27 64.97 58.43 49.55 65.35
2005 43.55 45.36 48.87 67.53 70.03 82.20 86.55 86.74 82.87 68.26 62.30 ----- z 67.66
2006 53.26 47.93 56.10 69.43 74.94 82.37 88.55 87.19 77.30 67.52 61.23 56.16 68.50
2007 50.94 38.71 59.52 61.67 77.52 84.13 85.71 86.77 81.77 75.13 57.50 47.94 67.27
2008 46.48 51.90 57.52 66.27 72.90 86.57 88.48 84.65 80.90 68.42 54.93 52.13 67.60
2009 39.19 ----- z ----- z 66.50 74.26 80.27 84.42 86.71 76.07 67.35 59.80 45.32 67.99
2010 42.58 38.71 58.74 71.40 78.42 89.70 90.48 86.84 84.33 69.87 57.77 39.65 67.37
2011 38.68 52.14 55.74 70.97 78.45 87.07 92.43 a 85.68 79.33 68.06 62.40 55.26 68.85
2012 51.77 52.66 64.03 66.83 80.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 58.82
Period of Record Statistics
MEAN 43.82 45.61 54.63 65.12 74.95 83.20 87.03 85.24 79.55 68.75 57.90 46.89 66.05
S.D. 5.07 4.94 4.68 3.30 3.03 2.68 2.36 2.04 2.62 3.01 3.24 4.51 1.56
SKEW 0.12 -0.21 0.19 0.18 0.18 -0.09 -0.03 -0.31 0.04 -0.17 -0.05 -0.13 -0.33
MAX 57.11 56.71 69.35 73.17 82.65 89.70 92.84 89.03 85.70 76.13 63.80 56.26 69.57
MIN 32.06 32.25 44.20 56.87 67.52 75.60 80.35 79.07 73.27 60.42 51.33 36.26 61.78
NO YRS 106 106 106 107 107 107 106 107 106 106 106 107 93