FRANKFORT LOCK 4, KENTUCKY

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(153028)

File last updated on May 16,
*** Note *** Provisional Data *** After Year/Month 200208
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
1895 ----- z ----- z ----- z 48.07 51.52 64.66 a 64.37 a 65.48 61.43 36.32 35.43 32.13 51.05
1896 31.45 b 26.10 31.94 49.17 56.65 59.27 63.37 a 60.81 51.38 a 40.19 38.37 29.48 44.85
1897 20.45 29.96 38.03 42.63 48.10 59.63 64.22 h 59.71 51.03 43.81 35.57 29.65 41.69
1898 30.71 27.23 f 38.81 38.63 c 53.78 d 61.85 d 67.72 m 64.04 d 65.14 w 49.54 e 38.46 f 26.83 g 48.19
1899 27.80 f 19.24 c 36.54 c 47.80 58.13 66.20 66.53 a 67.57 a 56.86 a 50.26 d 41.90 a 27.55 48.96
1900 28.48 24.64 33.39 43.31 a 52.76 b 65.27 67.13 68.19 64.23 51.29 35.83 30.45 47.08
1901 28.74 22.86 35.90 40.79 a 51.77 62.87 70.65 65.90 56.10 41.74 ----- z ----- z 47.73
1902 24.26 h 18.39 36.35 42.13 57.42 61.07 64.97 62.68 54.77 47.13 43.00 28.71 46.97
1903 24.58 28.21 43.00 43.86 a 54.16 58.10 i 66.58 64.23 54.93 44.97 32.40 19.94 43.35
1904 23.26 24.48 37.42 40.43 53.00 62.57 64.03 64.29 58.97 44.00 33.10 27.81 44.45
1905 19.52 19.71 40.23 46.13 57.90 64.67 66.71 65.29 57.97 46.81 41.50 32.23 a 46.56
1906 29.87 22.71 31.27 a 44.93 53.03 63.40 64.68 68.45 63.53 46.65 34.27 32.03 46.24
1907 33.48 25.04 44.42 37.48 a 49.68 59.00 67.13 64.10 58.03 42.06 33.07 30.55 45.34
1908 25.58 27.24 40.26 45.33 55.87 61.67 65.45 64.06 56.59 a 41.65 35.87 32.42 46.00
1909 30.48 32.21 35.65 44.97 53.26 65.70 65.03 65.48 56.67 40.52 42.70 22.29 46.25
1910 24.84 23.11 39.90 44.93 49.97 58.17 68.88 f 61.97 60.40 47.97 27.53 20.32 41.74
1911 30.16 31.04 33.77 43.23 54.97 65.23 66.45 67.00 64.33 53.13 31.17 30.58 47.59
1912 17.06 16.79 30.52 43.83 56.32 58.70 66.29 63.77 58.87 45.00 33.13 26.48 43.06
1913 33.65 24.64 36.10 43.47 53.03 61.03 68.45 64.97 57.63 44.55 39.80 30.84 46.51
1914 30.58 21.61 33.68 45.13 51.94 64.70 65.52 64.94 56.37 50.13 33.47 26.19 45.35
1915 23.68 32.57 27.84 44.80 53.77 60.00 64.39 62.03 57.93 46.68 38.07 28.52 45.02
1916 29.00 24.34 31.19 42.53 54.42 58.40 67.23 66.03 54.20 41.71 33.07 24.32 43.87
1917 25.16 21.25 33.29 41.03 46.55 58.60 64.06 62.23 54.10 40.32 32.67 15.65 41.24
1918 13.10 a 28.14 38.29 44.83 57.29 62.13 62.48 68.94 50.93 50.30 a 36.27 36.35 45.76
1919 27.39 29.75 36.71 44.43 53.90 66.47 67.58 63.32 57.57 56.26 37.27 24.74 47.12
1920 23.84 27.66 35.19 42.83 52.71 60.83 63.71 63.68 60.23 46.39 35.53 31.06 45.31
1921 29.19 32.89 44.42 46.07 53.58 67.13 69.71 65.61 65.27 43.10 a 40.07 33.26 49.19
1922 25.84 32.68 39.71 48.13 57.61 ----- z 66.10 63.58 60.30 46.23 37.53 31.35 46.28
1923 32.10 26.14 33.39 42.07 53.35 63.43 66.23 ----- z 60.07 44.45 b 36.30 36.97 44.95
1924 19.61 27.69 33.03 45.30 49.03 64.23 63.00 64.61 54.93 45.19 37.13 26.58 44.20
1925 25.84 32.43 35.87 47.73 47.97 64.73 65.19 62.74 64.67 44.71 34.83 25.65 46.03
1926 23.61 31.86 29.77 38.80 52.26 58.90 66.39 68.90 63.03 50.55 33.20 31.32 45.72
1927 27.16 35.43 38.81 47.63 55.55 59.90 64.80 a 61.71 59.73 46.52 42.53 27.48 47.27
1928 25.84 28.86 33.71 42.40 50.10 60.27 66.23 67.29 52.47 50.06 38.47 29.32 45.42
1929 24.52 21.75 40.06 48.63 52.68 59.33 65.65 62.65 59.07 45.61 36.27 31.45 45.64
1930 26.90 35.00 33.16 45.40 55.13 59.53 67.55 63.10 61.10 43.32 36.30 28.13 46.22
1931 28.58 31.54 33.58 42.03 49.77 60.10 65.90 63.06 60.87 46.13 42.03 36.77 46.70
1932 33.61 35.07 28.94 41.93 49.90 61.60 64.19 61.87 56.17 43.10 32.27 25.94 44.55
1933 32.42 25.61 33.81 41.83 57.03 61.30 63.87 62.94 62.30 44.16 34.03 33.45 46.06
1934 30.68 19.86 29.87 41.97 51.94 64.80 70.23 65.42 57.73 43.84 37.97 28.39 45.22
1935 26.61 29.61 43.29 44.10 51.13 60.20 67.65 66.35 55.03 44.90 38.83 22.00 45.81
1936 18.65 19.93 36.16 39.00 51.71 59.03 68.29 67.00 60.63 46.19 31.13 28.77 43.88
1937 34.48 28.14 29.16 43.73 52.13 63.23 62.81 66.06 52.67 43.48 32.23 27.10 44.60
1938 25.71 35.71 40.52 45.13 53.23 59.80 66.00 65.71 58.10 41.19 32.80 27.29 45.93
1939 29.39 29.14 35.68 40.97 53.13 64.20 64.16 62.00 57.07 44.35 30.67 27.77 44.88
1940 10.35 27.41 32.81 39.97 47.65 60.83 63.06 63.90 50.43 43.10 34.20 33.10 42.23
1941 27.10 23.04 27.52 44.93 50.16 61.63 65.68 62.77 56.23 51.29 32.83 32.19 44.61
1942 19.61 24.21 35.77 42.33 51.77 63.00 65.26 63.32 55.80 44.90 39.53 27.23 44.40
1943 26.29 25.14 29.97 41.80 55.16 66.00 65.71 64.06 52.73 41.81 31.03 24.87 43.72
1944 25.71 30.17 32.68 43.33 57.03 64.47 62.39 64.81 56.57 43.17 a 37.57 24.42 45.19
1945 23.45 27.93 43.52 d 46.03 49.77 60.20 63.00 62.68 60.63 43.29 38.80 23.61 45.24
1946 27.42 28.64 43.29 46.43 53.77 61.70 64.45 59.10 54.40 44.90 38.67 30.90 46.14
1947 31.84 20.14 27.29 44.83 49.65 60.30 59.87 69.06 57.50 50.29 35.57 26.52 44.40
1948 18.03 28.07 39.06 46.90 52.03 59.73 66.32 60.71 57.30 41.32 39.57 31.10 45.01
1949 35.06 31.71 30.97 39.53 51.03 a 62.97 69.19 63.68 50.27 48.68 31.87 27.03 45.17
1950 33.68 27.82 28.71 35.77 53.87 59.03 61.61 59.68 55.03 46.35 29.77 19.32 42.55
1951 25.87 23.71 30.45 38.87 50.84 60.77 63.90 61.23 53.90 43.35 27.93 25.39 42.18
1952 30.45 28.14 32.52 40.90 50.45 64.43 64.39 60.65 51.80 34.29 33.10 30.48 43.47
1953 30.00 26.93 33.58 38.57 54.58 61.80 62.94 60.19 50.50 41.65 29.57 23.29 42.80
1954 24.74 29.36 29.84 44.47 45.42 59.73 62.84 64.39 55.83 47.23 33.07 25.55 43.54
1955 22.84 23.46 33.61 43.23 51.32 53.33 67.10 64.52 55.47 43.65 29.48 a 21.84 42.49
1956 20.65 31.31 30.10 38.47 51.77 60.37 64.13 60.84 51.20 46.61 31.40 33.84 43.39
1957 21.13 30.18 31.45 43.53 50.03 63.23 63.00 58.74 57.33 40.61 32.20 28.61 43.34
1958 21.39 15.46 30.13 40.13 46.81 56.36 p 64.97 61.68 54.63 41.35 33.63 16.35 38.78
1959 19.90 24.32 28.35 41.63 55.81 59.90 63.81 66.55 56.87 44.71 30.37 29.42 43.47
1960 28.16 22.90 17.55 42.10 49.00 58.63 61.87 65.10 57.13 44.81 32.90 18.00 41.51
1961 17.42 28.54 36.77 37.73 46.61 56.97 63.29 62.35 57.57 40.45 34.20 25.32 42.27
1962 19.65 26.57 31.52 36.93 56.81 60.53 62.32 59.65 52.13 44.90 33.07 19.55 41.97
1963 12.52 13.61 33.90 41.73 47.45 57.53 60.19 59.06 50.87 41.32 34.53 15.19 38.99
1964 18.45 20.52 30.87 44.17 51.74 60.10 63.61 61.10 53.43 36.48 32.23 27.10 41.65
1965 21.00 20.54 27.77 42.03 55.13 59.67 61.87 61.10 58.27 41.39 33.60 29.13 42.62
1966 17.65 22.07 30.35 40.70 46.74 56.17 64.74 61.03 54.27 38.39 34.00 26.26 41.03
1967 25.13 18.39 34.29 43.33 48.06 60.40 61.74 58.97 50.23 40.74 31.10 26.39 41.57
1968 16.39 15.31 29.45 40.50 51.16 58.90 63.52 64.71 54.83 42.55 35.23 24.52 41.42
1969 20.16 25.11 24.13 39.80 50.81 61.13 66.65 60.81 54.53 42.42 30.40 23.81 41.65
1970 14.68 21.63 a 30.65 41.10 52.63 a 60.50 63.32 62.97 60.23 44.77 34.00 27.94 42.87
1971 20.26 21.46 27.19 36.30 46.13 62.13 62.68 60.48 60.38 a 51.00 34.20 33.48 42.98
1972 23.23 21.69 30.52 41.47 51.06 55.73 64.42 62.68 59.77 42.52 35.70 29.90 43.22
1973 23.61 23.54 38.84 42.63 47.39 61.83 65.03 63.74 59.13 46.84 37.80 26.14 b 44.71
1974 30.60 a 24.82 36.55 41.87 51.94 56.66 a 62.30 a 62.93 c 52.00 b 38.34 b 35.87 28.87 43.56
1975 26.74 27.86 f 30.39 c 37.61 b 53.77 ----- z 61.79 b 66.74 53.76 a 44.48 35.67 27.90 43.89
1976 18.19 29.22 b 36.84 37.87 45.45 59.87 61.03 58.23 51.28 a 38.23 25.34 a 18.20 a 39.98
1977 5.20 a 19.96 33.27 a 42.38 a 53.42 58.63 c 66.04 g 64.39 60.30 40.24 b 38.97 23.26 40.00
1978 12.03 10.96 27.55 41.75 f 49.10 60.29 b 64.84 64.55 58.61 b 39.87 37.47 ----- z 42.53
1979 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 55.53 42.32 33.66 a 26.20 a 39.43
1980 23.93 b 14.59 27.19 38.00 a 49.29 56.30 64.83 a 65.97 56.97 a 38.94 29.40 24.29 c 40.81
1981 15.27 a 18.56 a 24.72 m 44.55 a 45.74 58.68 b 63.74 60.42 52.07 39.71 31.87 20.94 41.05
1982 14.13 20.93 30.74 30.00 z 53.35 54.17 63.39 57.58 51.17 40.39 35.07 32.03 41.18
1983 21.33 a 22.11 30.10 40.40 48.16 58.57 66.39 65.68 54.63 45.94 33.97 18.74 42.17
1984 15.71 27.10 28.61 39.67 46.81 61.07 60.16 ----- z 52.87 51.61 29.30 32.71 40.51
1985 17.03 18.79 33.65 43.97 51.77 58.20 63.39 63.03 54.50 49.58 44.07 19.06 43.09
1986 19.29 29.75 30.35 39.23 52.84 60.60 66.74 59.48 58.17 46.03 36.70 26.74 43.83
1987 23.42 26.61 32.23 39.47 54.10 61.67 65.84 63.52 54.73 33.94 34.87 28.45 43.24
1988 18.03 21.66 28.74 37.90 47.60 a 54.70 65.32 65.06 53.67 35.58 31.50 24.19 40.33
1989 27.71 23.82 32.97 39.67 46.29 60.37 64.45 63.10 55.60 41.77 32.30 12.65 41.72
1990 29.68 30.46 34.90 38.57 50.35 58.23 62.52 61.16 56.13 43.29 34.40 28.32 44.00
1991 24.74 26.21 34.29 42.12 v 57.71 62.07 65.19 61.13 54.43 42.58 32.40 28.77 44.50
1992 24.06 29.34 31.16 40.90 45.65 53.93 64.77 59.65 53.70 39.55 36.77 28.23 42.31
1993 27.65 21.50 28.77 39.23 50.00 58.30 67.97 63.71 55.07 40.52 33.03 26.87 42.72
1994 16.90 a 23.43 29.61 41.33 43.97 61.57 63.48 58.48 52.03 41.84 37.33 29.19 41.60
1995 25.16 21.71 31.61 38.90 50.00 60.47 64.23 67.19 52.03 42.74 28.10 21.81 42.00
1996 21.13 23.66 25.81 36.87 53.13 59.97 61.55 61.71 54.37 43.06 30.17 30.26 41.81
1997 20.39 30.46 33.26 34.67 44.74 58.77 63.19 60.77 53.13 41.45 33.13 28.71 41.89
1998 32.16 30.89 34.23 40.50 55.06 61.53 ----- z 63.52 57.62 a 44.84 33.93 29.97 44.02
1999 25.17 a 27.43 27.61 43.37 49.00 61.47 67.00 60.58 49.28 a 40.84 36.14 a 26.36 c 42.85
2000 21.53 a 29.67 b 33.71 39.43 52.00 60.43 61.96 g 62.55 55.23 44.83 a 33.00 g 16.59 n 44.38
2001 18.00 l 31.43 g 26.37 l 43.18 h 53.31 b 58.67 63.77 65.35 53.20 43.25 g 34.50 p 32.50 s 58.86
2002 28.56 o 25.27 m 30.64 q 46.08 q 47.78 m 61.92 r 67.56 o 63.70 u ----- z ----- z ----- z ----- z 9999.00
Period of Record Statistics
MEAN 24.09 25.43 33.32 42.14 51.64 60.71 64.73 63.29 56.18 43.96 34.66 27.06 43.94
S.D. 5.94 5.10 4.69 3.11 3.35 2.77 2.15 2.60 3.61 4.00 3.64 4.75 1.98
SKEW -0.44 -0.28 0.18 0.04 -0.14 -0.08 0.26 0.06 0.36 0.24 0.31 -0.62 0.02
MAX 35.06 35.71 44.42 49.17 58.13 67.13 70.65 69.06 65.27 56.26 44.07 36.97 49.19
MIN 5.20 10.96 17.55 34.67 43.97 53.33 59.87 57.58 49.28 33.94 25.34 12.65 38.99
NO YRS 102 102 103 102 106 102 100 104 106 106 103 102 85