ROUGH RIVER DAM, KENTUCKY

Monthly Average Temperature (Degrees Fahrenheit)

(156988)

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
1964 ----- z ----- z ----- z 58.77 67.02 75.50 76.90 76.03 68.53 53.45 50.12 37.92 62.69
1965 34.84 34.91 38.48 59.15 70.48 73.55 75.76 75.48 69.82 54.29 48.15 39.23 56.18
1966 26.82 33.16 45.24 52.40 61.15 71.65 79.19 73.10 66.07 52.32 46.32 34.97 53.53
1967 35.24 30.38 48.63 60.42 62.40 72.82 72.69 70.42 65.43 56.23 41.42 38.85 54.58
1968 28.71 28.40 43.81 56.52 62.73 73.40 76.27 76.24 66.70 56.56 47.12 34.47 54.24
1969 30.81 35.46 37.35 57.28 65.71 73.63 79.06 74.53 67.67 56.98 42.70 31.60 54.40
1970 24.71 31.86 41.52 58.03 67.24 72.13 75.05 75.52 74.12 57.26 43.93 38.92 55.02
1971 30.58 33.00 40.32 55.00 60.42 75.58 74.35 73.09 b 70.90 a 63.95 c 46.80 44.39 55.70
1972 34.35 33.21 43.94 56.13 65.08 70.33 75.76 74.85 72.65 54.94 43.50 36.61 55.11
1973 33.23 34.07 a 52.15 53.62 59.84 74.42 76.34 75.26 72.33 62.32 49.45 36.85 56.66
1974 38.16 37.41 49.05 55.58 65.29 68.45 75.79 74.66 63.40 54.79 54.44 u 38.10 j 58.26
1975 37.65 37.93 40.45 51.92 67.08 73.10 75.98 77.87 64.30 57.79 49.33 37.61 55.92
1976 29.98 c 42.78 51.77 56.15 59.53 71.40 74.18 71.16 64.16 a 50.19 36.62 30.68 53.22
1977 14.29 32.02 a 49.16 58.17 67.65 72.12 77.73 74.56 70.88 52.47 47.00 32.85 54.07
1978 20.35 21.91 38.60 56.75 61.68 72.37 76.00 74.53 70.82 52.98 48.88 36.31 52.60
1979 22.50 25.66 45.71 53.33 61.10 71.33 74.02 73.52 66.17 55.52 45.17 37.03 52.59
1980 33.47 28.10 39.42 a 51.88 62.68 69.97 78.05 77.85 68.67 52.52 b 45.25 d 36.17 e 53.67
1981 26.95 34.39 42.08 59.72 a 59.77 ----- z 76.58 73.56 65.05 54.06 46.13 32.24 51.87
1982 26.82 33.95 46.61 50.13 63.72 o 68.18 76.82 71.61 65.43 57.11 48.25 44.53 53.59
1983 33.61 36.89 45.06 49.85 60.85 71.25 79.00 80.55 69.65 57.98 46.68 26.53 54.83
1984 25.87 38.88 39.21 53.13 59.82 75.17 73.18 73.74 65.75 61.48 42.27 43.45 54.33
1985 23.34 29.20 47.92 58.32 63.32 70.05 74.73 72.71 66.42 58.23 50.37 27.47 53.50
1986 30.18 37.16 44.00 a 55.83 64.03 72.75 78.24 70.55 69.37 56.03 43.27 33.68 54.59
1987 29.73 36.05 45.61 50.53 67.65 72.32 75.31 75.58 66.82 47.89 48.95 38.52 54.58
1988 28.40 32.78 43.81 54.00 62.90 71.63 75.56 75.48 64.32 47.24 45.87 35.79 53.15
1989 39.02 32.11 46.10 53.98 59.53 71.60 75.79 74.26 66.62 55.76 44.28 22.74 53.48
1990 40.42 42.88 47.90 52.20 60.32 71.28 75.03 72.81 68.18 53.48 49.12 37.32 55.91
1991 31.39 36.61 46.37 57.28 69.05 73.47 76.74 74.34 67.48 56.16 41.68 37.44 55.67
1992 32.02 39.55 42.24 53.60 59.76 66.78 74.06 68.63 65.00 52.40 43.37 33.10 52.54
1993 33.39 30.57 40.84 52.60 63.76 71.50 80.31 76.05 65.90 52.97 42.57 34.16 53.72
1994 25.06 35.36 42.24 56.57 58.94 73.70 75.24 72.10 64.68 56.11 50.08 40.03 54.18
1995 33.03 32.96 47.10 54.55 62.63 71.15 76.56 79.50 65.40 56.16 38.53 32.60 54.18
1996 31.05 34.90 36.63 49.92 66.23 72.07 73.39 74.06 64.77 55.61 39.27 38.83 a 53.06
1997 28.87 39.39 45.92 48.57 57.19 70.32 75.82 73.16 67.18 55.77 40.57 34.60 53.11
1998 38.89 40.07 43.77 52.12 66.58 72.53 75.84 75.03 72.60 58.48 46.22 38.16 56.69
1999 34.33 a 39.20 38.95 55.92 63.40 72.78 78.53 74.40 67.45 55.23 50.22 36.67 a 55.59
2000 31.29 40.29 46.97 50.83 64.98 71.73 72.95 74.15 66.08 58.42 42.19 a 22.71 53.55
2001 28.47 37.91 38.00 57.58 65.16 69.82 75.65 75.31 64.78 53.84 49.18 38.98 54.56
2002 34.94 36.79 42.65 57.67 60.97 73.48 77.24 77.52 71.80 57.15 42.60 35.56 55.70
2003 27.10 32.11 47.47 57.10 64.69 68.67 75.58 76.42 66.12 55.77 50.17 36.82 54.83
2004 31.42 34.28 47.77 55.12 69.02 73.08 74.48 71.65 69.50 59.68 49.85 33.45 55.77
2005 39.44 39.29 40.82 55.98 61.53 73.70 77.21 78.73 71.67 58.03 48.45 31.48 56.36
2006 42.15 34.55 45.06 60.12 62.13 71.83 76.66 77.65 64.78 53.84 46.57 40.66 56.33
2007 36.92 28.18 53.34 53.35 68.31 74.32 74.66 81.48 72.32 61.97 45.20 39.68 57.48
2008 31.63 35.48 43.34 53.97 61.47 75.08 75.60 74.32 71.93 57.11 43.53 34.84 54.86
2009 28.52 37.14 47.31 55.23 65.00 74.73 72.02 74.92 70.28 53.15 50.33 ----- z 57.15
2010 ----- z 29.14 45.42 60.08 67.69 77.78 a 79.92 80.69 71.52 58.97 47.18 28.24 58.79
2011 29.55 40.33 b 48.55 59.22 64.71 e 75.06 e 81.10 a 77.71 c 68.08 e 55.48 c 49.50 g 40.95 58.25
2012 37.61 d 39.87 b 60.27 e 58.29 f 71.39 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.92
Period of Record Statistics
MEAN 31.21 34.76 44.69 55.13 63.58 72.33 76.10 74.94 67.91 55.75 45.75 35.56 54.64
S.D. 5.53 4.43 4.60 3.07 3.20 2.14 2.00 2.69 2.88 3.29 3.52 4.82 1.26
SKEW -0.45 -0.51 0.69 -0.17 0.19 -0.17 0.40 0.32 0.41 -0.05 -0.54 -0.73 0.23
MAX 42.15 42.88 60.27 60.42 70.48 77.78 81.10 81.48 74.12 63.95 50.37 44.53 57.48
MIN 14.29 21.91 36.63 48.57 57.19 66.78 72.02 68.63 63.40 47.24 36.62 22.71 52.54
NO YRS 47 48 48 48 47 47 48 48 48 48 46 46 41