CHESTERTOWN, MARYLAND

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(181750)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 201105
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 48.19 d 44.79 b 46.49
1894 43.41 b 38.81 a ----- z ----- z 72.94 80.90 85.65 80.81 77.77 64.77 ----- z 43.29 65.37
1895 38.48 31.46 47.06 60.97 71.06 82.73 80.81 ----- z ----- z 61.35 54.37 45.13 57.34
1896 ----- z 41.79 45.39 63.33 75.68 79.27 84.32 83.68 76.17 61.42 57.43 40.97 64.49
1897 36.84 42.29 51.71 62.10 70.00 76.47 82.68 79.13 74.83 62.29 50.37 ----- z 62.61
1898 ----- z 41.68 57.90 58.47 71.65 81.10 86.10 83.16 78.43 66.19 50.20 41.74 65.15
1899 38.81 32.96 48.35 62.17 72.97 82.93 85.29 82.68 74.77 65.77 52.97 43.97 61.97
1900 ----- z ----- z ----- z ----- z 74.74 80.70 87.67 a ----- z 79.30 67.77 56.97 43.74 70.13
1901 39.03 35.89 52.23 57.60 68.97 ----- z 86.90 82.77 76.27 64.06 48.00 41.10 59.35
1902 36.93 a 34.50 55.42 60.87 72.84 80.10 84.35 80.65 74.90 64.90 58.33 40.52 62.03
1903 38.32 43.93 57.06 61.17 73.55 75.10 84.10 79.39 74.87 64.87 49.80 38.94 61.76
1904 34.57 a 34.31 47.61 58.30 74.26 78.33 82.39 80.74 74.87 61.52 50.13 35.58 59.38
1905 35.71 32.21 51.45 61.20 73.39 79.80 83.45 80.74 75.90 66.94 52.20 45.06 61.50
1906 45.97 43.14 44.84 64.03 73.52 81.00 82.94 83.10 78.67 63.39 53.47 43.94 63.17
1907 43.55 35.36 55.03 56.30 67.58 74.60 83.10 80.00 76.03 61.42 52.63 45.45 60.92
1908 40.94 38.21 54.84 65.70 73.23 80.90 86.90 80.03 75.60 68.29 53.77 43.97 63.53
1909 43.42 52.82 49.71 63.27 72.77 80.87 82.68 81.32 75.27 62.23 58.30 41.29 63.66
1910 39.90 42.39 58.55 67.73 72.97 78.60 86.77 82.10 a 79.40 69.16 49.83 38.74 63.85
1911 45.35 42.70 a 52.13 59.93 82.06 83.53 88.97 84.84 78.27 65.29 53.83 50.52 65.62
1912 36.87 40.86 50.06 66.27 75.87 80.97 85.77 82.77 78.60 69.97 57.17 46.87 64.34
1913 52.19 44.93 59.84 65.87 76.65 84.43 88.74 85.77 80.43 68.42 60.23 50.81 68.19
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1924 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1925 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1927 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 54.57 x 9999.00
1937 50.48 45.36 49.32 63.87 83.03 83.83 86.42 86.68 76.67 64.71 54.73 42.90 65.67
1938 41.71 48.68 58.81 67.70 73.16 83.10 88.90 88.32 75.17 a 69.48 59.03 43.90 66.50
1939 42.19 48.57 52.83 a 62.53 78.42 84.03 85.61 88.26 80.80 68.10 53.76 a 45.32 65.87
1940 31.23 40.45 45.68 57.10 71.87 82.80 88.06 81.61 77.17 63.03 55.47 48.87 61.94
1941 38.65 39.86 46.97 69.90 78.45 81.30 86.32 86.39 84.17 73.90 60.77 48.65 66.28
1942 40.94 39.89 54.16 67.80 78.55 83.07 87.55 82.74 81.03 68.45 57.10 40.03 65.11
1943 40.55 47.07 55.55 60.80 76.48 87.40 87.52 89.58 79.63 66.10 56.80 45.39 66.07
1944 44.10 44.62 50.71 62.73 80.55 83.90 89.42 86.52 80.13 67.61 55.97 41.52 65.65
1945 36.58 45.07 65.87 69.07 71.87 83.90 85.19 84.48 81.63 68.77 58.57 39.48 65.87
1946 44.65 47.68 62.58 65.10 74.74 81.53 87.00 81.94 81.87 72.06 61.37 50.10 67.55
1947 48.55 39.89 47.48 64.67 74.29 81.07 85.48 87.90 79.27 75.61 52.77 43.42 65.03
1948 34.90 44.45 56.29 63.50 73.90 82.87 86.94 85.23 79.67 64.90 61.37 47.35 65.11
1949 49.13 51.04 a 55.35 64.77 75.68 85.37 90.65 86.30 a 76.87 71.71 57.97 49.52 67.86
1950 54.29 43.36 49.61 61.20 72.19 83.13 85.26 85.52 74.03 69.81 58.03 42.39 64.90
1951 46.39 46.75 53.03 65.47 75.60 a 82.60 88.00 86.58 81.60 70.84 53.13 48.74 66.56
1952 46.32 47.69 51.16 65.30 73.55 85.70 90.74 85.35 79.87 66.03 56.03 46.23 66.16
1953 47.71 49.68 55.13 64.20 77.55 85.30 90.45 87.00 82.33 72.55 58.40 49.71 68.33
1954 43.06 52.39 53.42 69.23 73.77 85.37 90.23 85.35 82.37 72.42 54.37 44.31 b 67.19
1955 41.29 46.50 56.16 66.30 78.10 81.10 92.13 87.61 78.80 71.39 56.07 40.03 66.29
1956 40.06 47.79 50.65 62.97 73.81 83.33 85.23 85.87 77.30 69.13 56.67 52.55 65.45
1957 39.16 47.07 52.55 67.97 77.45 87.27 90.35 85.48 80.27 65.00 58.17 48.45 66.60
1958 40.42 37.82 48.19 65.27 73.77 80.67 88.26 84.35 80.00 68.42 58.83 39.42 63.79
1959 43.35 45.36 54.39 67.73 80.00 86.17 87.45 87.81 83.23 70.94 57.20 48.81 67.70
1960 43.13 45.52 42.97 71.07 73.10 83.73 84.55 86.42 78.90 67.52 58.83 39.81 64.63
1961 37.19 45.57 53.74 60.80 70.81 81.70 86.71 85.45 84.60 71.23 58.03 42.77 64.88
1962 42.42 39.54 51.97 64.87 77.35 82.77 83.61 86.35 76.13 70.06 52.93 39.16 63.93
1963 38.45 37.86 56.65 67.70 74.26 83.03 88.48 84.90 75.57 73.68 60.27 38.48 64.94
1964 45.19 43.10 55.74 61.90 78.58 84.97 86.55 84.39 80.97 66.71 62.50 47.71 66.53
1965 40.81 45.93 49.58 61.13 78.81 81.77 86.00 85.23 80.93 66.61 56.73 49.00 65.21
1966 38.00 43.50 55.97 59.40 73.13 84.03 89.71 87.32 75.43 66.77 58.07 44.10 64.62
1967 47.16 41.93 50.52 64.90 67.97 83.67 84.32 82.48 76.57 68.06 52.40 46.42 63.87
1968 38.13 41.48 58.52 66.47 70.87 82.73 87.13 87.48 81.37 69.77 56.27 42.26 65.21
1969 39.45 40.39 50.13 66.67 75.90 83.60 85.10 84.42 78.23 67.68 54.37 41.55 63.96
1970 36.03 43.79 47.65 62.40 76.03 81.00 85.90 86.74 83.40 70.39 56.30 44.77 64.53
1971 36.97 44.54 49.68 63.47 70.29 82.83 85.87 83.90 79.43 70.84 54.67 51.39 64.49
1972 43.61 42.17 51.03 61.53 72.45 76.83 84.71 84.10 78.17 63.00 52.57 47.52 63.14
1973 43.58 42.86 56.68 63.60 71.00 82.97 86.06 86.32 81.13 70.55 57.60 46.58 65.74
1974 45.19 42.57 53.52 66.60 71.90 78.33 86.39 84.65 76.60 66.42 56.57 47.39 64.68
1975 45.19 44.04 51.13 58.67 75.84 82.03 84.90 86.42 75.47 70.16 61.73 44.94 65.04
1976 37.87 53.17 56.90 68.83 72.77 85.07 85.55 85.10 78.33 61.87 49.77 39.90 64.60
1977 30.77 45.32 59.06 68.60 78.03 81.20 89.29 87.58 80.70 66.06 55.20 43.35 65.43
1978 37.23 34.25 48.55 63.93 71.52 83.57 83.77 86.55 79.23 67.87 56.57 48.43 a 63.46
1979 40.29 31.50 58.19 61.23 74.13 79.63 84.61 84.00 77.70 64.94 60.60 48.00 63.74
1980 40.39 39.48 50.00 65.50 76.23 81.63 87.94 88.87 83.20 65.45 53.43 43.16 64.61
1981 35.45 49.36 51.13 66.87 73.87 83.57 86.32 83.29 77.10 64.90 55.17 42.23 64.10
1982 33.94 43.29 52.06 62.07 77.00 79.53 86.71 83.61 78.00 68.00 59.23 50.71 64.51
1983 42.03 43.93 53.03 61.73 73.16 83.90 89.77 89.06 82.57 67.26 58.57 41.94 65.58
1984 35.87 48.72 45.94 61.57 72.42 85.17 84.00 85.32 77.23 72.10 55.00 52.39 64.64
1985 36.87 44.50 56.06 69.70 76.19 81.00 87.26 85.16 81.23 69.16 60.17 42.71 65.83
1986 42.19 39.04 56.42 64.13 78.58 86.40 90.03 84.13 78.80 68.81 53.50 46.29 65.69
1987 38.97 41.68 56.84 62.57 75.81 85.80 91.26 88.00 79.17 64.87 59.73 47.68 66.03
1988 37.71 44.43 a 56.13 61.47 75.32 84.97 90.97 88.77 78.17 63.42 57.73 44.74 65.32
1989 45.42 43.11 52.84 63.17 73.03 84.37 85.35 83.65 79.07 69.68 55.13 33.16 64.00
1990 50.19 52.61 57.58 65.20 72.00 84.80 87.42 83.52 77.83 72.10 60.47 51.65 67.95
1991 44.94 50.75 55.71 66.53 82.55 86.33 88.10 88.45 79.17 70.23 56.13 48.84 68.14
1992 45.16 47.45 51.68 64.50 71.61 81.77 86.84 82.97 77.30 65.74 55.43 45.81 64.69
1993 45.29 41.14 48.55 64.87 77.10 84.70 90.48 89.03 79.90 67.10 58.07 43.94 65.85
1994 34.32 42.32 52.23 71.50 72.68 87.57 90.13 83.94 78.30 67.94 62.23 50.61 66.15
1995 45.94 41.93 57.71 65.50 73.94 82.23 89.97 88.52 80.03 72.71 51.13 39.97 65.80
1996 38.55 43.14 49.42 65.17 71.55 84.83 84.68 84.90 78.77 67.74 51.10 47.61 63.95
1997 41.32 50.36 56.19 63.37 73.29 83.10 89.10 86.71 78.53 69.16 53.07 46.81 65.92
1998 49.58 50.36 55.45 67.87 77.74 82.13 88.26 88.23 84.13 68.84 60.10 51.48 68.68
1999 46.48 48.00 53.29 66.20 77.65 83.50 91.42 87.84 79.30 67.77 61.77 49.00 67.68
2000 42.35 48.76 61.06 64.30 77.06 83.87 83.13 83.03 77.07 70.32 55.37 38.84 65.43
2001 41.03 47.68 51.29 67.07 75.19 85.50 84.26 88.29 78.40 71.19 64.97 53.13 67.33
2002 48.74 51.86 56.81 69.73 76.84 87.17 92.16 93.06 83.23 66.03 55.13 44.13 68.74
2003 36.77 39.50 56.77 64.97 68.68 80.77 86.65 88.06 80.13 68.19 63.10 47.55 65.10
2004 36.61 47.52 56.55 66.50 81.77 84.00 88.94 85.74 81.73 67.42 59.10 49.03 67.08
2005 42.55 46.82 51.68 68.40 73.48 85.30 90.32 89.55 87.87 68.90 62.63 44.58 67.67
2006 51.65 47.14 57.52 71.60 78.32 84.17 91.32 91.10 75.87 66.03 58.77 52.23 68.81
2007 46.52 35.82 55.19 60.97 76.35 82.37 86.68 86.13 82.33 74.19 53.57 44.10 65.35
2008 43.42 46.34 55.10 65.60 70.81 85.20 86.45 83.87 78.70 65.90 52.37 46.97 65.06
2009 35.71 46.39 51.52 65.30 72.52 79.33 83.55 85.42 74.47 64.26 57.13 42.48 63.17
2010 38.94 37.00 57.00 67.40 74.55 86.07 88.61 84.84 80.03 65.94 55.57 38.74 64.56
2011 36.03 a 46.19 a 51.96 f 65.63 c 75.94 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 55.95
Period of Record Statistics
MEAN 41.45 43.54 53.28 64.42 74.65 82.73 86.92 85.25 78.93 67.69 56.25 44.99 65.21
S.D. 4.81 5.00 4.18 3.28 3.15 2.60 2.53 2.70 2.70 3.19 3.59 4.14 1.81
SKEW 0.31 -0.38 0.04 -0.11 0.37 -0.66 0.12 -0.05 0.45 0.03 -0.09 -0.17 -0.39
MAX 54.29 53.17 65.87 71.60 83.03 87.57 92.16 93.06 87.87 75.61 64.97 53.13 68.81
MIN 30.77 31.46 42.97 56.30 67.58 74.60 80.81 79.13 74.03 61.35 48.00 33.16 59.38
NO YRS 92 94 92 93 95 93 94 92 93 94 94 94 87