LOUISVILLE WSO AIRPORT, KENTUCKY

Monthly Average Temperature (Degrees Fahrenheit)

(154954)

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
1948 ----- z ----- z ----- z ----- z ----- z 75.18 78.06 76.21 70.37 55.06 49.03 40.08 63.43
1949 41.63 41.39 46.24 54.37 67.82 75.63 81.10 76.47 64.58 62.19 46.55 41.52 58.29
1950 44.60 39.00 42.53 52.32 67.02 73.05 74.74 73.10 67.55 62.32 40.50 30.52 55.60
1951 35.69 36.46 43.03 53.33 66.55 74.28 77.71 77.06 67.40 59.42 39.38 38.21 55.71
1952 39.18 40.71 45.34 55.67 65.71 80.57 80.65 77.37 68.83 51.92 46.80 39.21 57.66
1953 40.03 41.02 47.69 53.12 68.98 78.70 78.81 77.27 70.40 60.44 46.37 36.37 58.27
1954 35.95 44.61 43.68 62.08 61.06 77.27 81.31 77.81 74.13 59.26 46.07 36.97 58.35
1955 33.60 37.62 47.35 61.82 67.68 69.67 81.24 80.03 73.38 58.27 43.28 35.13 57.42
1956 32.50 41.31 46.15 53.97 65.68 73.90 76.89 75.13 66.22 61.06 43.97 44.68 56.79
1957 31.97 41.70 44.89 59.13 66.21 74.78 77.52 75.47 69.87 54.53 45.55 41.82 56.95
1958 32.53 27.57 40.44 57.08 66.27 72.35 78.13 76.34 70.20 58.31 48.75 31.11 54.92
1959 32.47 38.86 44.65 58.70 70.82 75.83 79.79 80.61 73.67 59.05 43.25 39.89 58.13
1960 37.97 33.79 32.55 60.60 63.90 71.02 74.23 76.87 70.45 57.44 45.00 29.92 54.48
1961 28.81 39.07 47.52 49.50 a 59.00 68.88 76.47 75.10 72.98 57.89 45.20 36.40 54.73
1962 30.48 39.04 42.32 53.08 71.34 73.38 76.19 76.39 64.98 59.32 44.15 30.31 55.08
1963 26.05 30.14 49.52 58.93 63.27 72.97 74.73 73.44 66.80 63.45 48.40 26.69 54.53
1964 35.89 33.38 45.26 58.35 66.79 75.10 76.40 76.18 69.10 53.40 48.03 38.02 56.32
1965 34.34 35.91 38.87 58.23 69.92 73.40 76.27 75.23 70.53 55.69 47.25 42.26 56.49
1966 27.02 34.11 46.13 53.40 62.34 73.05 81.03 75.56 67.42 54.58 47.17 35.55 54.78
1967 36.32 30.88 50.60 59.68 62.39 73.40 74.45 72.23 65.68 57.23 42.72 39.34 55.41
1968 30.29 30.03 45.71 56.75 63.44 74.00 77.69 77.90 68.93 57.37 47.95 35.66 55.48
1969 33.03 36.93 39.84 57.97 66.19 73.47 78.69 74.66 67.53 57.21 43.27 33.44 55.19
1970 27.94 33.55 42.26 59.23 67.21 72.90 75.79 75.95 73.40 58.10 45.33 39.53 55.93
1971 30.84 35.00 42.00 54.72 61.47 76.52 74.76 74.08 72.18 64.44 47.02 45.10 56.51
1972 35.19 34.83 44.77 56.17 65.42 70.55 77.15 76.03 72.27 55.24 44.00 39.08 55.89
1973 34.95 36.32 53.71 54.35 61.50 75.58 78.35 76.98 73.62 62.32 49.80 37.03 57.88
1974 39.79 39.27 49.76 57.23 65.13 68.65 75.85 75.02 63.15 54.92 46.98 39.13 56.24
1975 38.08 40.14 43.29 54.40 68.95 75.40 77.66 79.23 66.20 59.32 50.55 38.94 57.68
1976 31.24 45.34 52.34 57.45 62.84 72.83 76.77 74.16 66.78 52.42 39.48 33.05 55.39
1977 18.52 36.91 51.63 60.30 71.13 73.90 80.23 77.48 72.45 55.44 49.58 34.61 56.85
1978 22.92 23.82 41.63 58.03 63.73 75.63 78.50 77.06 73.63 55.47 50.03 40.03 55.04
1979 24.56 27.95 48.26 55.02 64.15 73.85 75.23 76.03 69.35 58.16 46.87 39.18 54.88
1980 33.47 29.53 41.76 53.62 66.81 73.35 81.48 80.94 73.48 55.79 46.32 38.29 56.24
1981 30.35 38.77 45.65 62.35 62.87 76.13 78.74 76.02 67.73 56.44 47.32 33.81 56.35
1982 28.60 34.84 47.11 51.27 70.26 69.30 77.97 73.48 66.78 58.98 48.65 44.87 56.01
1983 34.68 37.48 46.65 51.65 62.08 73.40 81.05 81.61 70.98 59.10 47.78 28.40 56.24
1984 28.82 41.47 40.35 54.93 62.53 77.63 75.47 75.98 67.22 63.89 43.97 45.90 56.51
1985 25.42 32.79 50.18 60.30 66.55 72.03 77.19 74.81 69.18 61.37 53.67 30.32 56.15
1986 34.42 39.93 48.26 58.50 67.00 75.72 80.27 74.26 73.10 59.47 45.83 36.73 57.79
1987 33.68 39.48 47.89 55.38 71.47 76.22 78.92 78.19 71.18 52.56 50.83 40.18 58.00
1988 30.94 34.69 46.13 56.95 67.10 75.63 80.27 80.00 70.08 52.24 47.80 37.92 56.65
1989 41.58 34.04 48.39 56.72 62.53 73.47 78.05 76.55 69.32 58.32 46.72 25.32 55.92
1990 43.11 44.25 51.15 55.50 64.21 75.12 78.53 77.45 71.73 58.69 52.00 40.71 59.37
1991 34.13 40.50 49.40 60.28 73.08 78.25 81.24 79.15 71.73 61.45 45.03 41.37 59.64
1992 37.13 43.69 47.94 58.20 63.94 72.05 78.42 73.23 69.05 58.10 47.85 38.55 57.34
1993 38.44 34.00 43.95 54.87 66.81 74.47 81.94 78.98 67.98 55.85 45.77 36.52 56.63
1994 26.76 37.98 45.35 59.92 62.95 77.42 78.98 76.03 68.63 59.40 52.15 42.35 57.33
1995 35.63 36.21 49.55 57.78 65.65 74.90 79.73 82.27 68.70 59.24 41.72 35.24 57.22
1996 32.44 37.76 40.97 53.58 68.48 74.55 75.82 a 77.07 b 68.07 b 58.90 41.78 40.85 55.86
1997 32.27 42.20 49.52 52.58 61.37 72.20 78.73 75.34 70.30 58.77 43.92 37.23 56.20
1998 42.35 43.54 48.03 56.15 70.31 74.95 78.23 78.79 76.20 62.56 51.27 42.03 60.37
1999 36.79 42.70 a 42.97 59.23 67.55 76.32 83.23 78.47 72.05 58.90 53.42 39.03 59.22
2000 34.37 45.03 51.32 55.82 69.13 75.00 76.81 77.27 a 67.97 a 61.37 44.55 26.11 57.06
2001 32.97 41.02 43.00 62.30 68.60 73.78 78.74 79.10 68.78 58.84 53.43 42.56 58.59
2002 40.77 40.54 46.08 60.55 64.68 77.87 81.42 80.82 75.20 58.27 45.30 38.19 59.14
2003 28.85 32.62 49.52 59.48 65.94 71.07 77.45 78.00 67.97 58.42 52.63 39.35 56.78
2004 33.10 38.64 51.29 59.12 71.65 76.08 77.55 74.24 71.88 61.37 51.43 36.63 58.58
2005 38.42 41.52 43.53 58.78 64.50 76.95 79.52 80.76 74.18 60.44 49.33 33.95 58.49
2006 44.11 37.82 47.00 61.45 65.00 73.68 79.26 79.32 66.58 55.69 49.10 43.03 58.50
2007 38.81 30.00 55.24 55.53 70.45 77.23 77.58 85.05 76.35 65.90 48.87 41.92 60.24
2008 34.71 37.64 46.48 57.90 64.84 78.53 79.77 78.82 73.82 59.71 45.48 37.48 57.93
2009 29.85 40.18 50.35 58.27 66.84 75.48 73.42 75.66 70.98 55.03 51.18 36.60 56.99
2010 30.10 30.86 49.02 62.63 70.47 81.08 82.89 82.81 75.10 63.08 49.87 30.79 59.06
2011 30.81 40.89 49.71 62.00 67.60 77.33 83.27 79.40 68.60 58.16 51.97 42.90 59.39
2012 39.18 42.34 59.60 59.28 a 74.11 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 50.10
Period of Record Statistics
MEAN 33.77 37.37 46.46 57.15 66.14 74.58 78.35 77.16 70.08 58.40 47.11 37.40 56.96
S.D. 5.27 4.72 4.31 3.10 3.14 2.56 2.31 2.57 3.00 3.08 3.40 4.71 1.49
SKEW -0.20 -0.58 -0.07 -0.20 0.11 -0.02 0.11 0.64 0.10 -0.01 -0.09 -0.65 0.34
MAX 44.60 45.34 59.60 62.63 73.08 81.08 83.27 85.05 76.35 65.90 53.67 45.90 60.37
MIN 18.52 23.82 32.55 49.50 59.00 68.65 73.42 72.23 63.15 51.92 39.38 25.32 54.48
NO YRS 64 64 64 64 63 64 64 64 64 64 64 64 63