CHESTERTOWN, MARYLAND

Monthly Average Minimum 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 33.68 e 29.79 b 31.74
1894 30.45 b 27.25 ----- z ----- z 54.58 61.93 67.19 62.94 61.57 48.94 ----- z 29.65 49.39
1895 23.68 15.82 31.42 42.33 51.87 63.13 63.29 ----- z ----- z 41.35 37.73 31.97 40.26
1896 ----- z 26.83 29.26 45.80 57.48 60.97 68.32 67.03 57.73 45.58 41.57 26.06 47.88
1897 22.77 28.82 34.45 41.17 52.71 58.70 67.68 64.16 57.03 49.03 38.43 ----- z 46.81
1898 ----- z 25.75 37.74 40.00 53.52 60.83 69.10 68.77 60.70 50.77 36.20 29.68 48.46
1899 24.61 19.04 34.26 41.50 53.06 64.30 67.13 65.42 57.00 50.32 36.70 30.19 45.29
1900 ----- z ----- z ----- z ----- z 53.29 62.00 69.61 ----- z 65.03 53.81 41.37 28.42 53.36
1901 25.29 20.89 35.19 42.57 50.87 ----- z 71.06 68.48 58.50 46.23 31.47 25.68 43.29
1902 24.26 22.14 36.32 42.37 53.74 60.50 66.71 64.10 57.70 48.06 42.77 27.16 45.49
1903 25.61 27.86 40.16 43.43 52.90 58.47 66.10 63.61 58.47 49.90 32.67 23.87 45.25
1904 18.71 18.04 a 31.81 40.47 54.16 61.03 64.90 63.29 57.67 43.71 33.70 21.68 42.43
1905 20.35 15.93 33.45 42.27 54.71 61.73 67.48 65.48 58.80 46.94 34.30 30.77 44.35
1906 32.42 25.79 31.10 43.00 52.68 64.10 66.61 69.39 62.47 49.55 38.10 28.87 47.01
1907 27.26 20.18 35.42 37.83 49.13 56.83 66.32 63.45 61.17 42.48 37.57 31.35 44.08
1908 26.77 22.83 36.74 43.90 55.10 61.80 69.43 c 64.61 58.13 49.65 36.57 29.77 46.28
1909 27.81 33.61 32.00 43.83 53.81 63.89 b 64.45 62.81 57.73 43.97 40.17 22.87 45.58
1910 25.65 26.82 38.61 46.03 51.39 60.37 69.38 b 64.61 60.73 49.10 33.93 21.52 45.68
1911 28.00 26.48 a 30.29 39.27 56.29 62.63 67.81 66.32 61.93 49.23 35.93 33.10 46.44
1912 17.03 21.28 31.84 44.80 53.83 a 60.80 65.61 62.94 61.67 49.19 37.59 a 28.45 44.59
1913 34.13 a 26.25 38.39 45.13 50.71 59.57 65.26 63.90 57.97 49.93 a 38.50 31.23 46.75
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 46.00 z 38.11 v 27.67 u 27.73 p 9999.00
1937 34.90 26.86 30.03 a 41.93 51.52 63.40 65.90 67.94 55.76 a 45.90 37.27 27.94 45.78
1938 27.68 30.68 36.19 45.30 52.84 61.17 68.13 68.35 57.60 46.58 36.77 28.39 46.64
1939 26.45 28.96 a 33.19 40.97 53.03 62.40 64.33 a 67.65 58.03 a 46.39 33.17 29.84 45.37
1940 13.10 24.41 28.45 36.93 51.03 60.60 63.81 62.74 53.17 42.61 36.90 30.61 42.03
1941 24.65 23.07 26.35 43.80 49.65 60.60 66.65 60.87 57.90 50.52 35.59 a 30.45 44.17
1942 22.48 22.86 34.39 42.63 55.10 62.80 66.68 64.35 58.33 48.35 36.47 24.06 44.88
1943 26.42 27.18 32.94 38.60 54.74 67.63 66.35 65.84 56.33 45.23 34.40 25.90 45.13
1944 26.94 27.76 31.52 41.67 57.45 62.73 66.42 64.87 60.83 45.48 38.13 25.81 45.80
1945 22.65 27.75 41.90 46.33 51.84 62.43 67.48 63.52 63.17 45.14 b 40.00 24.84 46.42
1946 28.13 27.64 40.00 41.83 54.16 59.90 64.19 62.13 58.73 49.29 41.40 29.68 46.42
1947 31.23 21.04 28.29 42.57 52.00 59.73 65.29 67.00 59.20 51.39 35.93 26.16 44.99
1948 19.55 23.07 34.87 42.00 52.97 60.80 66.81 65.06 57.00 45.58 41.77 30.16 44.97
1949 33.52 33.30 a 35.55 42.50 52.81 63.67 70.55 66.35 56.10 52.74 36.93 30.90 47.91
1950 35.65 28.79 30.19 39.33 51.94 60.33 65.77 a 63.87 57.77 48.90 37.13 26.35 45.50
1951 28.39 26.89 34.81 42.77 51.93 a 61.80 67.00 65.16 58.67 50.74 34.03 30.90 46.09
1952 30.65 31.41 33.29 46.17 52.13 63.77 69.10 66.16 57.63 43.32 38.23 31.19 46.92
1953 31.74 31.64 36.77 44.13 57.23 62.37 66.42 64.32 58.07 47.65 36.20 31.94 47.37
1954 25.26 31.61 33.32 46.03 51.06 61.80 65.32 64.76 b 60.83 51.45 36.40 28.60 a 46.37
1955 25.87 25.21 34.74 45.67 54.55 58.63 71.81 69.58 59.97 48.68 34.73 23.61 46.09
1956 26.03 31.14 32.19 40.67 50.00 61.93 66.42 65.52 57.47 49.35 37.87 35.84 46.20
1957 23.84 31.04 35.61 45.67 53.71 65.23 66.26 63.13 62.13 44.55 39.90 31.87 46.91
1958 25.90 22.18 32.77 44.50 52.45 59.57 69.71 65.45 57.50 47.87 39.10 21.94 44.91
1959 22.65 26.07 32.39 45.13 56.68 63.00 68.19 69.48 61.80 52.52 36.77 31.32 47.17
1960 29.23 28.79 25.39 46.23 51.87 62.47 65.61 68.13 60.97 47.68 37.80 20.29 45.37
1961 19.45 28.18 35.32 40.50 50.84 62.13 68.45 66.77 64.77 48.10 40.43 27.74 46.06
1962 24.65 25.14 32.97 44.67 55.03 63.40 64.00 64.74 56.13 48.71 35.37 24.26 44.92
1963 22.03 20.29 36.29 43.53 51.32 62.07 66.84 63.52 55.03 48.42 40.97 23.58 44.49
1964 25.65 26.79 34.87 41.83 54.29 62.63 68.00 63.52 57.80 44.00 39.03 31.68 45.84
1965 23.68 26.25 32.26 40.90 55.65 61.33 66.13 65.35 60.40 45.77 38.07 31.55 45.61
1966 24.03 26.75 35.45 40.93 51.81 62.80 67.90 66.39 58.13 45.48 37.73 29.13 45.55
1967 31.00 22.64 32.42 42.73 47.42 61.73 67.10 65.55 56.07 45.32 33.80 29.97 44.65
1968 20.87 23.21 35.52 43.63 51.10 62.30 68.16 67.68 59.30 51.13 40.33 27.42 45.89
1969 24.58 27.93 31.65 45.40 55.13 64.80 68.00 65.97 59.33 46.90 37.07 28.03 46.23
1970 19.58 25.93 31.84 42.27 53.94 61.50 66.45 64.65 60.93 51.10 38.07 28.74 45.42
1971 21.58 27.93 31.84 39.50 50.13 62.30 63.94 63.13 61.50 53.06 36.00 32.45 45.28
1972 27.42 25.21 33.35 40.07 52.77 59.10 67.06 63.71 59.17 42.03 35.53 34.19 44.97
1973 25.90 24.93 38.32 43.97 50.58 65.30 66.48 67.03 60.07 47.48 37.87 30.32 46.52
1974 31.19 26.11 35.77 45.23 52.35 59.60 64.39 63.94 57.47 41.84 37.60 30.84 45.53
1975 29.52 30.18 34.16 39.73 55.19 62.63 65.65 65.68 56.60 50.94 41.20 27.97 46.62
1976 21.97 31.97 36.32 43.37 51.74 64.13 65.52 63.45 56.07 42.45 30.53 22.03 44.13
1977 13.26 25.21 39.58 44.70 54.19 59.00 65.23 66.74 61.73 45.32 41.10 26.74 45.23
1978 22.10 16.39 31.19 40.90 51.90 60.43 63.90 68.16 56.10 42.71 38.23 29.87 43.49
1979 25.16 16.57 36.06 42.70 54.48 58.73 65.87 65.19 58.53 46.13 42.03 31.55 45.25
1980 26.68 24.24 32.42 45.83 54.81 57.80 67.29 68.32 61.23 46.23 34.60 26.65 45.51
1981 19.26 29.57 32.35 46.03 51.58 63.50 66.84 63.42 57.67 42.94 36.57 27.65 44.78
1982 17.19 27.21 33.61 40.23 54.97 61.67 67.16 61.77 56.50 47.10 39.90 34.94 45.19
1983 27.94 26.82 37.32 43.30 51.94 62.40 67.81 68.26 59.17 49.35 39.00 27.13 46.70
1984 20.39 33.21 30.61 42.93 53.45 63.57 66.61 67.94 55.03 54.29 35.10 35.94 46.59
1985 22.16 28.75 36.55 45.77 55.90 61.53 67.13 66.00 59.27 50.39 45.10 26.58 47.09
1986 25.13 27.32 34.48 43.50 55.52 62.27 69.10 64.94 59.93 49.39 36.27 31.29 46.59
1987 26.16 25.75 35.23 43.90 53.65 65.20 70.32 66.32 61.07 42.23 39.47 32.42 46.81
1988 19.58 26.50 a 34.68 42.57 53.74 61.73 69.87 69.19 57.27 42.94 38.20 27.48 45.31
1989 29.19 28.54 34.19 42.47 53.23 66.33 67.87 66.77 59.37 46.94 36.37 16.81 45.67
1990 32.00 31.50 36.00 43.73 51.94 61.77 67.03 64.35 56.73 50.26 37.47 31.77 47.05
1991 25.94 29.57 36.71 44.63 57.55 62.10 67.77 67.52 57.37 47.26 36.83 30.45 46.97
1992 26.74 28.90 33.32 41.90 49.10 59.23 66.90 61.87 56.80 41.81 36.77 29.35 44.39
1993 29.48 23.54 32.71 43.10 54.97 62.37 69.29 65.81 59.13 44.81 35.47 26.84 45.63
1994 17.00 22.39 31.58 46.50 48.13 64.17 68.52 61.13 54.77 41.26 41.30 32.74 44.12
1995 31.42 23.57 35.42 42.33 52.58 63.17 70.13 66.45 57.77 49.48 33.20 25.55 45.92
1996 22.68 27.17 30.58 43.23 51.39 63.67 66.13 64.26 58.70 45.48 31.17 31.16 44.63
1997 24.35 30.54 34.39 40.00 48.55 58.97 65.61 62.58 54.90 44.48 34.33 28.16 43.91
1998 31.35 32.46 34.90 43.77 54.84 60.53 65.35 62.81 57.63 43.97 34.40 32.03 46.17
1999 27.03 27.96 32.48 42.47 52.52 62.07 69.03 65.48 59.23 43.26 40.47 29.71 45.98
2000 22.48 27.48 35.84 41.77 53.39 62.00 62.42 63.19 54.13 44.48 32.60 19.74 43.29
2001 23.71 29.25 33.35 44.50 53.23 64.97 63.71 67.84 54.80 45.45 38.03 32.48 45.94
2002 28.90 27.89 33.74 44.37 50.45 61.40 65.94 65.42 56.40 44.65 35.53 22.81 44.79
2003 20.23 20.57 31.42 40.60 49.68 60.23 66.61 67.00 58.87 42.81 40.27 28.45 43.89
2004 20.65 25.28 36.10 44.57 60.90 62.37 68.10 66.58 59.40 46.26 37.17 27.58 46.24
2005 23.77 25.75 30.42 42.67 47.48 62.63 67.74 67.39 58.83 47.55 34.57 23.94 44.40
2006 29.65 25.18 29.58 41.67 49.81 57.57 66.35 63.39 58.93 47.42 42.47 33.52 45.46
2007 31.13 21.79 33.94 42.20 54.16 63.53 66.81 67.19 60.47 53.84 38.13 31.48 47.06
2008 28.48 27.90 35.52 47.17 50.84 65.50 68.00 64.13 60.27 45.84 38.27 30.74 46.89
2009 22.58 29.11 33.61 45.27 55.58 63.07 65.00 68.29 59.10 47.77 42.33 28.84 46.71
2010 26.84 24.68 38.48 45.93 56.74 67.37 69.68 68.35 61.63 49.65 38.30 25.42 47.76
2011 23.63 a 28.14 35.30 d 47.97 a 57.37 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z 38.48
Period of Record Statistics
MEAN 25.38 26.14 33.93 43.04 53.04 61.97 66.95 65.42 58.65 47.15 37.37 28.49 45.61
S.D. 4.54 3.93 2.92 2.21 2.41 2.06 1.83 2.08 2.27 3.17 2.81 3.66 1.12
SKEW -0.19 -0.59 -0.10 -0.24 0.18 0.12 0.14 0.11 0.28 0.10 0.06 -0.64 -0.61
MAX 35.65 33.61 41.90 47.97 60.90 67.63 71.81 69.58 65.03 54.29 45.10 35.94 47.91
MIN 13.10 15.82 25.39 36.93 47.42 56.83 62.42 60.87 53.17 41.26 30.53 16.81 42.03
NO YRS 92 94 93 93 95 93 94 92 93 94 94 94 87