MAMMOTH CAVE PARK, KENTUCKY

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(155097)

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
1934 ----- z ----- z ----- z ----- z ----- z ----- z 68.29 g 66.70 a 56.76 a 43.77 35.77 26.88 e 45.98
1935 25.55 b 29.96 b 41.74 45.60 51.16 58.66 a 66.94 66.48 b 53.46 d 45.61 38.97 a 22.55 45.56
1936 20.52 21.83 39.19 40.63 54.35 57.93 67.39 66.61 63.67 46.39 29.97 29.26 44.81
1937 33.03 28.00 29.81 42.83 a 51.35 60.20 60.17 a ----- z 54.21 a 42.81 31.30 27.03 41.88
1938 24.87 a 35.71 40.68 44.93 51.23 58.30 64.23 64.23 55.97 41.32 34.17 25.58 45.10
1939 29.94 29.57 34.97 41.20 51.39 62.63 62.16 60.81 57.13 45.87 29.60 26.65 44.33
1940 8.32 25.79 32.06 41.67 46.55 60.37 62.55 62.45 48.90 42.84 32.87 29.68 41.17
1941 25.35 20.43 26.84 46.47 51.26 60.27 64.16 62.10 57.17 50.42 32.63 29.35 43.87
1942 18.33 a 22.18 32.48 44.00 51.45 61.70 66.06 64.33 a 55.97 44.27 a 37.10 25.23 43.59
1943 24.74 23.57 28.29 41.90 55.32 65.77 65.55 64.48 53.13 41.58 29.90 24.13 43.20
1944 25.23 29.10 31.77 42.77 56.06 62.20 61.48 63.71 56.57 40.58 34.24 e 22.06 43.82
1945 17.56 d 23.50 41.07 b 42.72 e 48.61 59.17 60.71 61.13 58.83 42.26 33.87 19.90 42.44
1946 22.35 23.82 44.71 46.07 51.45 60.40 63.03 58.35 53.37 44.42 36.33 31.48 44.65
1947 27.94 15.54 25.03 46.33 47.94 60.03 57.29 66.06 54.73 49.74 33.43 22.61 42.22
1948 ----- z ----- z ----- z ----- z ----- z 58.70 62.42 g 59.62 e 55.83 39.77 38.33 31.12 e 47.23
1949 34.29 31.04 33.77 a 42.57 51.43 a 62.40 67.10 a 61.50 e 51.97 a 51.87 35.13 30.77 46.15
1950 37.03 30.07 31.97 39.83 50.10 54.50 57.03 55.74 51.23 46.39 27.87 19.00 41.73
1951 26.65 26.25 33.06 40.40 47.29 58.43 61.87 63.03 a 54.77 45.39 29.67 30.84 43.14
1952 32.26 32.41 35.81 42.97 53.48 65.20 65.13 63.58 52.40 36.45 36.80 32.06 45.71
1953 33.71 30.29 38.03 42.70 57.81 63.40 63.58 59.55 51.93 42.77 31.17 27.29 45.19
1954 27.68 33.21 33.42 50.33 46.61 60.73 64.39 64.94 56.77 48.19 34.27 28.45 45.75
1955 25.39 29.04 38.00 47.27 55.00 54.63 68.16 65.16 57.63 44.52 30.57 26.19 45.13
1956 24.52 34.55 35.06 40.93 a 53.45 59.10 63.58 62.16 52.93 46.77 32.93 38.23 45.35
1957 26.03 34.54 34.94 49.25 b 53.68 64.17 63.65 59.32 58.23 42.58 35.97 33.03 a 46.28
1958 24.90 17.32 31.90 43.40 51.65 56.80 64.84 58.61 54.37 42.58 35.97 20.26 41.88
1959 22.68 27.29 30.97 44.17 56.29 57.50 60.03 61.81 53.63 45.00 33.03 32.39 43.73
1960 30.42 25.76 22.58 47.07 51.32 60.40 64.13 65.77 59.23 47.94 34.80 22.16 44.30
1961 21.61 32.61 41.19 41.37 49.19 59.20 64.84 63.81 60.83 46.48 38.10 29.71 45.75
1962 23.29 32.86 33.48 43.03 60.10 62.03 a 64.84 63.65 55.63 50.97 37.87 23.23 45.91
1963 18.35 19.71 41.23 49.30 52.97 61.17 63.77 62.81 54.93 49.97 37.73 17.65 44.13
1964 25.77 24.34 35.90 49.40 54.94 62.40 64.13 63.32 57.30 42.23 39.37 30.23 45.78
1965 26.52 26.21 30.94 46.37 55.81 59.37 61.84 61.87 58.77 41.58 37.77 32.52 44.96
1966 20.68 29.14 35.74 46.13 49.65 56.77 66.32 61.45 56.20 41.06 36.93 28.84 44.08
1967 29.03 22.93 40.61 49.53 50.39 60.67 61.35 59.19 52.10 43.87 31.40 31.06 44.35
1968 23.00 18.62 34.58 44.13 51.90 59.67 62.29 63.61 54.07 43.23 37.34 a 26.77 43.27
1969 22.71 26.04 24.35 45.13 51.77 61.27 66.45 61.06 55.67 45.45 32.73 24.03 43.06
1970 17.29 24.75 32.58 46.33 52.42 61.53 62.42 64.00 62.97 46.94 36.90 31.52 44.97
1971 23.71 25.21 30.35 41.67 48.13 63.43 62.13 60.81 60.10 51.77 36.93 38.27 a 45.21
1972 28.55 26.45 35.27 a 45.50 51.61 55.83 63.23 62.39 61.33 44.45 37.13 32.32 45.34
1973 25.87 26.54 44.58 45.13 47.60 a 61.07 64.32 61.48 59.37 48.26 39.70 29.00 46.08
1974 34.94 29.93 40.61 44.90 55.19 56.53 62.74 62.94 54.57 42.13 37.57 30.16 46.02
1975 30.45 31.89 32.87 42.93 56.26 61.33 62.65 66.84 54.33 47.90 40.10 30.39 46.50
1976 22.03 35.52 41.19 41.67 48.58 60.47 61.90 59.19 53.66 a 39.90 a 27.07 a 23.58 42.90
1977 10.13 23.93 39.43 a 47.23 55.77 60.37 65.97 65.10 60.50 43.62 b 40.63 25.30 a 44.83
1978 15.48 b 15.32 32.97 45.97 a 52.03 60.96 d 65.29 64.13 59.97 42.52 40.57 30.53 a 43.81
1979 17.90 21.68 39.32 44.97 51.57 j 60.94 l 65.64 f 64.71 57.20 46.84 36.03 30.58 39.91
1980 28.48 22.31 33.23 42.73 53.40 a 59.40 66.50 a 67.77 58.81 d 40.27 a 34.36 b 28.45 44.64
1981 19.61 27.63 a 31.97 a 51.17 50.39 64.93 67.90 64.00 52.72 a 44.55 37.37 24.35 44.72
1982 20.06 27.32 37.10 ----- z 54.52 56.80 65.61 62.39 55.20 46.23 38.77 37.32 45.57
1983 26.90 29.46 37.84 40.93 50.32 59.17 65.71 66.68 57.00 48.77 37.20 21.97 45.16
1984 20.52 30.79 32.94 44.53 48.23 62.67 61.58 63.90 54.77 54.52 33.77 37.29 45.46
1985 16.84 25.15 a 40.45 47.80 54.81 60.30 64.68 63.84 54.57 51.71 47.00 21.55 45.72
1986 23.87 32.21 35.74 46.03 54.13 63.53 67.35 60.61 61.57 47.74 39.73 30.00 46.88
1987 26.39 31.89 37.40 a 41.93 57.94 63.57 66.06 65.52 56.37 39.00 39.73 32.94 46.56
1988 23.42 24.83 34.77 42.43 49.65 56.77 65.06 66.13 58.10 37.94 36.87 27.58 43.63
1989 31.32 25.89 37.06 43.83 49.29 60.70 64.68 61.74 55.10 43.74 36.50 16.06 43.83
1990 32.68 36.82 41.52 43.63 51.32 60.33 63.29 ----- z 56.33 44.71 41.97 30.93 b 45.78
1991 27.81 31.14 ----- z 48.07 61.00 63.33 66.29 62.16 59.43 48.10 37.37 33.48 48.93
1992 28.29 33.72 ----- z ----- z 49.97 57.53 66.10 59.74 ----- z 41.74 36.67 27.90 44.63
1993 ----- z ----- z 33.42 41.70 51.32 56.29 m 66.87 63.94 56.60 43.97 34.77 29.97 46.95
1994 20.81 28.00 35.52 ----- z ----- z 62.30 64.94 60.45 52.47 45.13 40.83 33.29 44.37
1995 26.65 25.11 36.10 42.10 51.48 59.10 65.26 67.90 52.83 44.13 29.67 25.48 43.82
1996 23.90 25.31 28.45 41.17 56.84 61.37 63.10 62.55 53.80 45.23 32.40 31.00 43.76
1997 22.35 32.93 36.48 37.83 47.10 61.27 62.29 61.87 54.97 43.52 33.53 28.58 43.56
1998 33.26 34.14 36.74 41.97 55.77 62.60 66.65 63.42 57.77 45.55 36.73 30.55 47.10
1999 28.29 31.11 29.81 44.87 49.00 60.53 70.52 64.63 a 56.43 47.16 43.70 33.19 46.60
2000 28.87 35.48 41.73 a 44.73 58.48 64.30 65.58 65.35 58.17 49.68 36.63 21.79 b 47.57
2001 25.45 35.11 33.90 50.50 56.84 61.37 67.35 68.26 57.47 47.17 a 42.90 35.63 a 48.50
2002 32.19 30.11 38.87 49.53 53.35 65.87 70.55 67.29 62.57 51.58 37.93 31.55 49.28
2003 22.29 29.11 ----- z 48.80 56.71 59.43 ----- z 66.90 58.10 48.77 45.07 31.94 46.71
2004 27.13 31.83 42.77 47.47 62.00 64.80 66.71 62.43 a 60.87 54.29 45.67 30.16 49.68
2005 34.74 35.93 ----- z 48.83 51.42 ----- z 68.74 67.71 ----- z 48.94 41.33 27.68 47.26
2006 36.19 ----- z ----- z 51.53 53.48 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.07
2007 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2008 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 61.97 47.35 36.23 29.35 43.73
2009 24.77 32.68 41.68 48.07 57.65 64.93 64.55 65.13 62.13 47.61 42.73 29.77 48.48
2010 24.06 25.07 ----- z 49.87 59.39 ----- z 68.97 68.74 ----- z 46.23 ----- z ----- z 48.90
2011 ----- z ----- z ----- z ----- z 56.55 65.07 70.23 70.67 y 58.17 47.04 e 43.87 35.13 53.72
2012 32.13 35.10 50.26 48.03 62.89 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 41.38
Period of Record Statistics
MEAN 25.42 28.06 35.60 44.91 52.82 60.71 64.57 63.36 56.50 45.44 36.40 28.46 44.93
S.D. 5.67 5.08 5.11 3.14 3.58 2.64 2.69 2.69 3.12 3.67 4.18 4.76 1.74
SKEW -0.36 -0.40 -0.01 0.22 0.39 -0.12 -0.22 -0.18 0.23 0.17 0.16 -0.34 0.45
MAX 37.03 36.82 50.26 51.53 62.00 65.87 70.55 68.74 63.67 54.52 47.00 38.27 49.68
MIN 8.32 15.32 22.58 37.83 46.55 54.50 57.03 55.74 48.90 36.45 27.07 16.06 41.17
NO YRS 73 72 68 71 72 70 71 72 73 76 75 75 61