ROUGH RIVER DAM, KENTUCKY

Monthly Average Minimum 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 46.70 55.00 63.30 64.71 63.65 54.73 38.42 36.63 28.03 50.13
1965 23.39 23.43 28.65 47.23 58.84 62.40 63.97 61.68 58.17 39.90 34.50 27.71 44.15
1966 15.58 21.82 31.68 40.87 47.81 57.77 66.06 60.68 53.87 37.74 34.60 24.32 41.07
1967 23.45 17.54 35.10 47.80 50.84 61.63 60.77 58.03 53.03 43.23 31.60 28.23 42.60
1968 18.61 16.59 31.16 43.87 51.74 60.63 63.55 63.68 52.87 42.90 37.53 25.10 42.35
1969 21.55 26.61 25.00 45.60 53.00 62.13 66.87 60.74 54.17 43.26 32.13 22.55 42.80
1970 12.87 21.68 31.16 45.70 54.00 61.20 62.55 63.23 61.73 44.58 33.87 27.35 43.33
1971 20.42 21.36 28.26 40.13 47.23 63.43 62.87 60.52 59.77 51.23 35.60 34.39 43.77
1972 22.87 22.17 32.29 44.57 52.58 57.17 65.23 63.68 61.73 43.97 35.13 28.16 44.13
1973 23.35 23.75 40.68 43.77 47.94 62.87 64.55 63.29 60.43 50.10 39.13 27.81 45.64
1974 30.68 25.46 37.77 42.03 54.29 57.27 63.42 63.90 52.93 40.87 35.37 27.84 44.32
1975 27.13 28.57 29.97 39.57 55.23 62.27 63.42 67.29 53.57 45.97 38.37 29.32 45.06
1976 18.90 30.17 40.32 42.03 46.23 60.83 61.97 57.39 49.90 38.23 24.53 19.19 40.81
1977 3.26 19.29 35.81 44.83 54.00 59.73 66.00 64.19 59.63 40.29 38.33 23.29 42.39
1978 10.61 10.50 27.94 44.30 50.06 60.13 64.26 63.35 58.27 38.71 37.30 25.65 40.92
1979 13.16 13.43 34.77 42.30 48.23 59.33 64.77 63.06 54.47 43.61 34.23 26.26 41.47
1980 24.71 17.38 28.07 a 39.10 49.77 56.93 64.77 64.23 53.90 36.41 b 32.81 d 25.85 e 41.16
1981 16.39 21.57 29.00 47.47 47.94 ----- z 66.45 62.52 52.00 41.81 34.07 21.16 40.03
1982 15.90 23.96 34.06 37.27 53.19 55.43 65.39 59.13 53.50 43.65 36.83 35.29 42.80
1983 25.10 26.04 34.19 38.97 48.48 58.00 65.29 64.77 53.10 44.68 35.70 17.65 42.66
1984 15.55 26.52 29.90 42.23 47.16 62.00 59.55 61.61 52.37 50.68 29.23 32.77 42.46
1985 13.97 17.89 35.71 45.07 50.03 57.77 61.58 61.29 51.50 45.16 40.57 15.52 41.34
1986 16.65 27.29 29.17 a 39.43 50.29 59.60 63.45 55.52 55.93 42.23 33.13 23.00 41.31
1987 19.52 24.61 30.35 34.83 52.29 57.73 60.97 59.16 48.80 30.03 35.50 28.16 40.16
1988 18.55 21.62 31.03 38.83 46.45 52.37 60.00 60.39 48.93 31.52 33.13 23.90 38.89
1989 28.52 22.93 33.84 40.13 46.23 60.67 64.68 61.74 54.33 41.16 32.10 10.74 41.42
1990 29.97 31.07 36.32 38.80 48.68 57.40 61.74 59.81 54.43 38.29 34.77 24.77 43.00
1991 22.74 24.25 33.19 44.63 57.55 61.03 62.55 58.23 53.57 41.26 30.73 25.97 42.98
1992 20.45 26.28 28.13 39.17 45.42 52.83 61.10 55.00 50.87 35.26 32.07 22.16 39.06
1993 21.90 16.18 30.00 40.40 50.84 59.10 68.26 61.71 52.60 38.16 29.93 24.52 41.13
1994 14.84 22.04 28.48 41.40 43.19 59.63 62.10 56.35 49.77 40.94 37.70 29.42 40.49
1995 23.10 19.57 32.29 39.00 49.71 57.90 63.32 65.55 50.47 41.32 25.37 20.48 40.67
1996 20.19 22.79 23.35 34.00 53.55 59.07 59.84 59.68 49.77 40.74 27.93 27.42 39.86
1997 17.61 28.21 31.45 32.73 42.52 59.67 60.74 58.29 51.13 39.68 28.60 24.29 39.58
1998 29.42 29.39 31.35 38.47 53.00 59.47 63.87 60.03 54.53 41.65 30.93 26.00 43.18
1999 22.47 a 25.07 24.42 41.87 46.71 58.87 63.61 55.94 46.07 37.06 34.20 24.23 a 40.04
2000 19.00 26.03 30.16 34.30 49.58 56.73 58.35 60.03 51.57 41.35 28.72 a 11.23 38.92
2001 15.48 25.79 23.06 41.40 49.32 54.87 60.81 61.94 50.07 37.19 31.30 26.55 39.81
2002 21.45 22.14 28.39 43.00 47.00 59.47 63.16 64.39 57.97 47.42 32.63 27.74 42.90
2003 17.81 25.21 34.71 44.73 54.10 56.67 62.55 64.00 53.50 41.94 39.43 28.42 43.59
2004 21.13 23.17 35.42 42.57 57.61 61.40 62.94 58.45 55.20 47.58 40.40 22.71 44.05
2005 32.13 29.43 29.10 41.97 46.52 61.13 65.77 65.48 57.77 44.06 34.67 22.84 44.24
2006 32.74 23.64 33.03 46.87 49.13 58.57 64.00 65.61 53.57 41.81 35.43 29.81 44.52
2007 28.00 17.71 40.06 40.10 53.19 59.70 61.42 66.48 58.07 49.00 33.27 31.26 44.86
2008 22.58 26.93 32.19 40.60 48.48 62.60 63.00 60.74 58.63 43.10 31.67 24.81 42.94
2009 18.97 24.96 35.68 43.23 53.10 62.90 61.42 63.10 59.63 41.84 38.00 ----- z 45.71
2010 ----- z 19.86 33.71 44.63 56.45 64.79 a 66.55 65.03 53.07 41.23 32.87 19.35 45.23
2011 20.84 31.46 b 38.16 47.60 53.22 d 62.77 d 68.90 a 63.86 c 56.52 e 40.39 c 38.68 e 30.00 46.03
2012 26.81 d 28.30 b 46.85 e 43.17 f 59.11 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 33.99
Period of Record Statistics
MEAN 20.86 23.37 32.20 41.79 50.58 59.56 63.40 61.63 54.22 41.70 33.98 25.17 42.25
S.D. 5.88 4.54 4.66 3.67 3.75 2.71 2.27 2.99 3.61 4.31 3.68 5.00 1.87
SKEW -0.21 -0.54 0.56 -0.42 0.12 -0.53 0.15 -0.36 0.27 -0.09 -0.41 -0.82 -0.02
MAX 32.74 31.46 46.85 47.80 58.84 64.79 68.90 67.29 61.73 51.23 40.57 35.29 46.03
MIN 3.26 10.50 23.06 32.73 42.52 52.37 58.35 55.00 46.07 30.03 24.53 10.74 38.89
NO YRS 47 48 48 48 48 47 48 48 48 48 48 47 44