PRINCETON EXP STN, KENTUCKY

Monthly Average Temperature (Degrees Fahrenheit)

(156580)

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
1965 ----- z 38.61 40.29 61.48 71.26 74.50 77.30 a 77.90 71.37 58.03 53.47 44.21 60.77
1966 30.50 38.07 49.50 56.58 64.29 72.93 82.05 74.47 68.80 56.06 50.12 38.39 56.81
1967 39.85 35.25 53.84 63.30 64.32 73.88 73.66 71.18 66.58 59.84 43.77 41.03 57.21
1968 31.82 31.69 47.11 59.12 65.65 75.53 77.76 78.31 69.62 59.39 48.40 37.44 56.82
1969 35.35 38.38 40.58 60.40 67.92 75.28 80.08 76.06 69.67 59.66 45.55 34.44 56.95
1970 29.55 36.39 43.81 61.22 69.10 73.28 76.23 77.35 75.25 59.31 46.78 41.68 57.50
1971 32.87 37.32 44.48 58.00 62.58 77.82 75.77 74.66 72.83 66.19 48.30 46.85 58.14
1972 37.61 39.26 48.31 59.55 66.95 73.10 76.44 76.06 73.48 58.61 44.72 38.29 57.70
1973 36.03 37.70 55.44 56.17 63.24 75.95 78.89 76.77 74.28 63.50 52.17 37.90 59.00
1974 40.03 42.21 53.08 59.25 68.32 70.32 77.58 75.45 65.73 58.84 49.73 39.95 58.38
1975 40.58 40.70 44.31 56.87 69.53 74.92 77.31 77.18 66.00 61.85 52.33 39.66 58.44
1976 34.29 47.88 55.39 58.92 62.66 72.73 76.63 73.69 68.27 54.60 40.36 b 36.03 56.79
1977 20.15 38.62 54.02 62.36 a 70.42 75.65 79.29 77.65 73.03 56.18 a 50.75 37.31 57.95
1978 23.92 24.95 43.97 60.65 65.74 75.88 80.47 78.29 73.68 56.84 51.25 40.55 a 56.35
1979 25.47 30.55 49.76 57.27 65.27 a 73.43 a 77.10 75.79 68.45 60.24 47.18 40.35 55.91
1980 36.58 33.40 44.02 56.62 65.63 a 75.02 a 81.62 b 81.98 a 73.55 56.71 46.88 39.81 57.65
1981 32.06 41.02 a 45.98 b 63.28 a 64.52 f 77.08 79.06 76.31 67.90 a 58.66 50.92 36.79 57.19
1982 31.37 36.96 51.63 54.65 69.73 71.80 78.55 75.37 68.57 ----- z 49.70 46.42 57.70
1983 35.87 40.68 48.92 52.08 64.32 73.55 80.58 82.79 72.90 62.29 51.53 28.26 57.81
1984 30.58 43.05 44.42 56.70 63.60 76.82 76.85 77.29 68.72 65.06 46.02 a 47.48 58.05
1985 25.10 33.18 52.45 61.75 67.81 74.02 77.90 75.27 69.50 63.08 54.67 32.05 57.23
1986 36.74 42.07 a 50.73 61.25 ----- z 76.32 81.98 75.03 75.25 60.39 47.95 38.00 58.70
1987 34.44 41.68 50.84 57.25 72.32 77.45 ----- z 79.74 71.30 54.65 52.57 41.45 57.61
1988 32.60 37.17 49.56 58.37 66.44 75.70 79.35 80.10 70.97 52.19 49.15 39.94 57.63
1989 43.23 34.64 51.10 58.43 65.02 73.77 77.81 77.02 68.88 60.26 49.28 27.90 57.28
1990 44.90 47.45 51.68 56.90 63.90 76.03 78.10 76.31 73.68 57.89 53.28 40.68 60.07
1991 35.27 42.43 50.74 61.98 71.97 77.28 80.85 79.19 72.33 61.87 46.20 42.55 60.22
1992 38.63 46.26 49.77 59.62 64.77 72.20 79.16 73.16 69.15 58.19 48.80 39.10 58.23
1993 39.10 ----- z 45.95 56.58 66.84 74.63 82.77 79.66 68.75 57.82 45.73 39.32 a 59.74
1994 30.11 41.04 49.00 60.93 63.37 77.43 77.90 75.52 68.53 60.60 53.57 43.24 58.44
1995 36.81 39.54 53.10 60.70 67.35 74.25 78.98 81.79 69.38 61.18 44.42 38.31 58.82
1996 36.65 40.76 43.79 56.50 69.87 75.43 77.11 77.84 69.15 60.89 44.25 42.47 57.89
1997 34.70 a 45.04 52.10 54.32 63.63 73.58 79.21 76.94 71.48 59.55 45.92 39.82 58.02
1998 43.65 44.79 50.18 58.52 71.81 77.22 79.94 77.85 76.52 63.39 52.53 42.71 61.59
1999 39.71 46.32 45.66 62.70 68.03 76.45 82.48 78.90 73.43 61.50 56.63 43.61 61.29
2000 37.73 a 48.03 53.68 58.73 70.52 75.85 77.43 b 79.73 a 70.93 63.68 47.57 28.42 59.36
2001 34.92 44.55 44.32 64.45 69.48 73.72 80.24 79.56 69.42 60.53 53.58 43.73 a 59.88
2002 40.92 42.89 48.90 62.62 66.11 77.12 81.31 80.16 74.37 58.89 46.83 39.48 59.97
2003 30.97 35.29 50.34 60.83 66.69 70.95 78.48 78.58 68.95 59.97 53.17 40.39 57.88
2004 36.31 39.41 53.47 59.25 71.95 74.57 75.90 72.90 71.27 63.92 53.10 37.21 59.10
2005 41.18 43.80 47.05 60.18 65.16 75.97 78.94 80.50 73.67 60.77 52.60 35.52 59.61
2006 46.03 38.61 50.45 63.83 65.81 74.42 78.55 79.79 67.03 57.69 49.28 44.48 59.67
2007 39.73 34.89 58.40 57.35 70.94 76.20 76.97 84.90 74.92 65.37 48.97 42.05 60.89
2008 36.35 38.81 48.60 57.65 65.69 77.37 78.58 76.63 74.30 59.97 46.77 38.45 58.26
2009 32.69 41.70 52.35 58.55 66.55 77.35 74.37 75.39 71.53 56.82 53.32 37.10 58.14
2010 32.16 32.50 49.24 62.73 70.15 79.42 81.58 82.40 74.33 61.87 49.72 32.65 59.06
2011 33.15 41.79 49.74 62.92 68.37 78.35 82.85 78.84 70.09 a 59.23 a 51.58 43.66 60.05
2012 41.66 44.67 61.66 61.00 z 77.25 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 49.33
Period of Record Statistics
MEAN 35.32 39.62 49.45 59.35 67.14 75.16 78.74 77.62 71.02 59.87 49.39 39.30 58.44
S.D. 5.44 4.87 4.34 2.75 2.83 1.98 2.16 2.77 2.74 2.93 3.43 4.44 1.34
SKEW -0.46 -0.52 0.17 -0.22 0.23 -0.30 0.06 0.24 0.05 -0.11 -0.24 -0.75 0.43
MAX 46.03 48.03 61.66 64.45 72.32 79.42 82.85 84.90 76.52 66.19 56.63 47.48 61.59
MIN 20.15 24.95 40.29 52.08 62.58 70.32 73.66 71.18 65.73 52.19 40.36 27.90 55.91
NO YRS 47 47 48 47 45 47 46 47 47 46 47 47 41