CHESTERTOWN, MARYLAND

Monthly Average 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 40.73 f 37.29 b 37.29
1894 36.93 b 32.80 a ----- z ----- z 63.76 71.42 76.42 71.87 69.67 56.85 ----- z 36.47 57.35
1895 31.08 23.64 39.24 51.65 61.47 72.93 72.05 ----- z ----- z 51.35 46.05 38.55 48.80
1896 ----- z 34.31 37.32 54.57 66.58 70.12 76.32 75.35 66.95 53.50 49.50 33.52 56.19
1897 29.81 35.55 43.08 51.63 61.35 67.58 75.18 71.65 65.93 55.66 44.40 ----- z 54.71
1898 ----- z 33.71 47.82 49.23 62.58 70.97 77.60 75.97 69.57 58.48 43.20 35.71 56.80
1899 31.71 26.00 41.31 51.83 63.02 73.62 76.21 74.05 65.88 58.05 44.83 37.08 53.63
1900 ----- z ----- z ----- z ----- z 64.02 71.35 78.60 a ----- z 72.17 60.79 49.17 36.08 61.74
1901 32.16 28.39 43.71 50.08 59.92 ----- z 78.98 75.63 67.38 55.15 39.73 33.39 51.32
1902 30.50 a 28.32 45.87 51.62 63.29 70.30 75.53 72.37 66.30 56.48 50.55 33.84 53.75
1903 31.97 35.89 48.61 52.30 63.23 66.78 75.10 71.50 66.67 57.39 41.23 31.40 53.51
1904 26.87 a 26.34 a 39.71 49.38 64.21 69.68 73.65 72.02 66.27 52.61 41.92 28.63 50.94
1905 28.03 24.07 42.45 51.73 64.05 70.77 75.47 73.11 67.35 56.94 43.25 37.92 52.93
1906 39.19 34.46 37.97 53.52 63.10 72.55 74.77 76.24 70.57 56.47 45.78 36.40 55.09
1907 35.40 27.77 45.23 47.07 58.35 65.72 74.71 71.73 68.60 51.95 45.10 38.40 52.50
1908 33.85 30.52 45.79 54.80 64.16 71.35 78.21 c 72.32 66.87 58.97 45.17 36.87 54.91
1909 35.61 43.21 40.85 53.55 63.29 72.57 b 73.56 72.06 66.50 53.10 49.23 32.08 54.64
1910 32.77 34.61 48.58 56.88 62.18 69.48 78.26 b 73.38 a 70.07 59.13 41.88 30.13 54.78
1911 36.68 34.59 a 41.21 49.60 69.18 73.08 78.39 75.58 70.10 57.26 44.88 41.81 56.03
1912 26.95 31.07 40.95 55.53 64.78 a 70.88 75.69 72.85 70.13 59.58 47.52 a 37.66 54.47
1913 43.12 a 35.59 49.11 55.50 63.68 72.00 77.00 74.84 69.20 59.23 a 49.37 41.02 57.47
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 44.14 x 9999.00
1937 42.69 36.11 39.58 a 52.90 67.27 73.62 76.16 77.31 66.29 a 55.31 46.00 35.42 55.72
1938 34.69 39.68 47.50 56.50 63.00 72.13 78.52 78.34 66.45 a 58.03 47.90 36.15 56.57
1939 34.32 38.93 a 42.98 a 51.75 65.73 73.22 74.87 a 77.95 69.28 a 57.24 43.50 a 37.58 55.61
1940 22.16 32.43 37.06 47.02 61.45 71.70 75.94 72.18 65.17 52.82 46.18 39.74 51.99
1941 31.65 31.46 36.66 56.85 64.05 70.95 76.48 73.63 71.03 62.21 47.95 a 39.55 55.21
1942 31.71 31.38 44.27 55.22 66.82 72.93 77.11 73.55 69.68 58.40 46.78 32.05 54.99
1943 33.48 37.12 44.24 49.70 65.61 77.52 76.94 77.71 67.98 55.66 45.60 35.65 55.60
1944 35.52 36.19 41.11 52.20 69.00 73.32 77.92 75.69 70.48 56.55 47.05 33.66 55.72
1945 29.61 36.41 53.89 57.70 61.85 73.17 76.34 74.00 72.40 56.97 b 49.28 32.16 56.15
1946 36.39 37.66 51.29 53.47 64.45 70.72 75.60 72.03 70.30 60.68 51.38 39.89 56.99
1947 39.89 30.46 37.89 53.62 63.15 70.40 75.39 77.45 69.23 63.50 44.35 34.79 55.01
1948 27.23 33.76 45.58 52.75 63.44 71.83 76.87 75.15 68.33 55.24 51.57 38.76 55.04
1949 41.32 42.17 a 45.45 53.63 64.24 74.52 80.60 76.23 a 66.48 62.23 47.45 40.21 57.88
1950 44.97 36.07 39.90 50.27 62.06 71.73 75.42 a 74.69 65.90 59.35 47.58 34.37 55.19
1951 37.39 36.82 43.92 54.12 63.77 a 72.20 77.50 75.87 70.13 60.79 43.58 39.82 56.33
1952 38.48 39.55 42.23 55.73 62.84 74.73 79.92 75.76 68.75 54.68 47.13 38.71 56.54
1953 39.73 40.66 45.95 54.17 67.39 73.83 78.44 75.66 70.20 60.10 47.30 40.82 57.85
1954 34.16 42.00 43.37 57.63 62.42 73.58 77.77 75.19 b 71.60 61.94 45.38 36.31 b 56.78
1955 33.58 35.86 45.45 55.98 66.32 69.87 81.97 78.60 69.38 60.03 45.40 31.82 56.19
1956 33.05 39.47 41.42 51.82 61.90 72.63 75.82 75.69 67.38 59.24 47.27 44.19 55.82
1957 31.50 39.05 44.08 56.82 65.58 76.25 78.31 74.31 71.20 54.77 49.03 40.16 56.76
1958 33.16 30.00 40.48 54.88 63.11 70.12 78.98 74.90 68.75 58.15 48.97 30.68 54.35
1959 33.00 35.71 43.39 56.43 68.34 74.58 77.82 78.65 72.52 61.73 46.98 40.06 57.43
1960 36.18 37.16 34.18 58.65 62.48 73.10 75.08 77.27 69.93 57.60 48.32 30.05 55.00
1961 28.32 36.88 44.53 50.65 60.82 71.92 77.58 76.11 74.68 59.66 49.23 35.26 55.47
1962 33.53 32.34 42.47 54.77 66.19 73.08 73.81 75.55 66.13 59.39 44.15 31.71 54.43
1963 30.24 29.07 46.47 55.62 62.79 72.55 77.66 74.21 65.30 61.05 50.62 31.03 54.72
1964 35.42 34.95 45.31 51.87 66.44 73.80 77.27 73.95 69.38 55.35 50.77 39.69 56.18
1965 32.24 36.09 40.92 51.02 67.23 71.55 76.06 75.29 70.67 56.19 47.40 40.27 55.41
1966 31.02 35.12 45.71 50.17 62.47 73.42 78.81 76.85 66.78 56.13 47.90 36.61 55.08
1967 39.08 32.29 41.47 53.82 57.69 72.70 75.71 74.02 66.32 56.69 43.10 38.19 54.26
1968 29.50 32.34 47.02 55.05 60.98 72.52 77.65 77.58 70.33 60.45 48.30 34.84 55.55
1969 32.02 34.16 40.89 56.03 65.52 74.20 76.55 75.19 68.78 57.29 45.72 34.79 55.09
1970 27.81 34.86 39.74 52.33 64.98 71.25 76.18 75.69 72.17 60.74 47.18 36.76 54.97
1971 29.27 36.23 40.76 51.48 60.21 72.57 74.90 73.52 70.47 61.95 45.33 41.92 54.88
1972 35.52 33.69 42.19 50.80 62.61 67.97 75.89 73.90 68.67 52.52 44.05 40.85 54.05
1973 34.74 33.89 47.50 53.78 60.79 74.13 76.27 76.68 70.60 59.02 47.73 38.45 56.13
1974 38.19 34.34 44.65 55.92 62.13 68.97 75.39 74.29 67.03 54.13 47.08 39.11 55.10
1975 37.35 37.11 42.65 49.20 65.52 72.33 75.27 76.05 66.03 60.55 51.47 36.45 55.83
1976 29.92 42.57 46.61 56.10 62.26 74.60 75.53 74.27 67.20 52.16 40.15 30.97 54.36
1977 22.02 35.27 49.32 56.65 66.11 70.10 77.26 77.16 71.22 55.69 48.15 35.05 55.33
1978 29.66 25.32 39.87 52.42 61.71 72.00 73.84 77.35 67.67 55.29 47.40 39.08 a 53.47
1979 32.73 24.04 47.13 51.97 64.31 69.18 75.24 74.60 68.12 55.53 51.32 39.77 54.49
1980 33.53 31.86 41.21 55.67 65.52 69.72 77.61 78.60 72.22 55.84 44.02 34.90 55.06
1981 27.35 39.46 41.74 56.45 62.73 73.53 76.58 73.35 67.38 53.92 45.87 34.94 54.44
1982 25.56 35.25 42.84 51.15 65.98 70.60 76.94 72.69 67.25 57.55 49.57 42.82 54.85
1983 34.98 35.38 45.18 52.52 62.55 73.15 78.79 78.66 70.87 58.31 48.78 34.53 56.14
1984 28.13 40.97 38.27 52.25 62.94 74.37 75.31 76.63 66.13 63.19 45.05 44.16 55.62
1985 29.52 36.62 46.31 57.73 66.05 71.27 77.19 75.58 70.25 59.77 52.63 34.65 56.46
1986 33.66 33.18 45.45 53.82 67.05 74.33 79.56 74.53 69.37 59.10 44.88 38.79 56.14
1987 32.56 33.71 46.03 53.23 64.73 75.50 80.79 77.16 70.12 53.55 49.60 40.05 56.42
1988 28.65 35.04 b 45.40 52.02 64.53 73.35 80.42 78.98 67.72 53.18 47.97 36.11 55.28
1989 37.31 35.82 43.52 52.82 63.13 75.35 76.61 75.21 69.22 58.31 45.75 24.98 54.83
1990 41.10 42.05 46.79 54.47 61.97 73.28 77.23 73.94 67.28 61.18 48.97 41.71 57.50
1991 35.44 40.16 46.21 55.58 70.05 74.22 77.94 77.98 68.27 58.74 46.48 39.65 57.56
1992 35.95 38.17 42.50 53.20 60.35 70.50 76.87 72.42 67.05 53.77 46.10 37.58 54.54
1993 37.39 32.34 40.63 53.98 66.03 73.53 79.89 77.42 69.52 55.95 46.77 35.39 55.74
1994 25.66 32.36 41.90 59.00 60.40 75.87 79.32 72.53 66.53 54.60 51.77 41.68 55.14
1995 38.68 32.75 46.56 53.92 63.26 72.70 80.05 77.48 68.90 61.10 42.17 32.76 55.86
1996 30.61 35.16 40.00 54.20 61.47 74.25 75.40 74.58 68.73 56.61 41.13 39.39 54.29
1997 32.84 40.45 45.29 51.68 60.92 71.03 77.35 74.65 66.72 56.82 43.70 37.48 54.91
1998 40.47 41.41 45.18 55.82 66.29 71.33 76.81 75.52 70.88 56.40 47.25 41.76 57.43
1999 36.76 37.98 42.89 54.33 65.08 72.78 80.23 76.66 69.27 55.52 51.12 39.35 56.83
2000 32.42 38.12 48.45 53.03 65.23 72.93 72.77 73.11 65.60 57.40 43.98 29.29 54.36
2001 32.37 38.46 42.32 55.78 64.21 75.23 73.98 78.06 66.60 58.32 51.50 42.81 56.64
2002 38.82 39.88 45.27 57.05 63.65 74.28 79.05 79.24 69.82 55.34 45.33 33.47 56.77
2003 28.50 30.04 44.10 52.78 59.18 70.50 76.63 77.53 69.50 55.50 51.68 38.00 54.49
2004 28.63 36.40 46.32 55.53 71.34 73.18 78.52 76.16 70.57 56.84 48.13 38.31 56.66
2005 33.16 36.29 41.05 55.53 60.48 73.97 79.03 78.47 73.35 58.23 48.60 34.26 56.03
2006 40.65 36.16 43.55 56.63 64.06 70.87 78.84 77.24 67.40 56.73 50.62 42.87 57.13
2007 38.82 28.80 44.56 51.58 65.26 72.95 76.74 76.66 71.40 64.02 45.85 37.79 56.20
2008 35.95 37.12 45.31 56.38 60.82 75.35 77.23 74.00 69.48 55.87 45.32 38.85 55.97
2009 29.15 37.75 42.56 55.28 64.05 71.20 74.27 76.85 66.78 56.02 49.73 35.66 54.94
2010 32.89 30.84 47.74 56.67 65.65 76.72 79.15 76.60 70.83 57.79 46.93 32.08 56.16
2011 29.84 b 37.04 a 42.83 j 56.94 d 66.70 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.63
Period of Record Statistics
MEAN 33.42 34.84 43.60 53.73 63.84 72.35 76.93 75.34 68.79 57.42 46.87 36.74 55.41
S.D. 4.56 4.32 3.39 2.54 2.49 2.10 1.90 2.02 2.06 2.82 2.85 3.76 1.27
SKEW 0.06 -0.52 0.00 -0.31 0.29 -0.39 0.10 -0.09 0.24 0.12 -0.21 -0.41 -0.63
MAX 44.97 43.21 53.89 59.00 71.34 77.52 81.97 79.24 74.68 64.02 52.63 44.19 57.88
MIN 22.02 23.64 34.18 47.02 57.69 65.72 72.05 71.50 65.17 51.35 39.73 24.98 50.94
NO YRS 92 94 92 93 95 93 94 92 93 94 93 94 87