SHELBYVILLE 3, TENNESSEE

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(408246)

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
1951 ----- z ----- z ----- z ----- z ----- z 64.03 66.81 65.90 58.47 47.35 31.50 33.55 52.52
1952 38.13 35.14 37.23 44.10 a 54.39 67.23 64.97 66.10 54.17 35.87 33.47 30.77 46.80
1953 35.26 32.57 40.13 43.80 58.29 64.40 65.42 61.29 54.80 43.84 30.90 28.10 46.57
1954 30.37 a 35.29 36.74 51.33 46.21 l ----- z 68.06 67.68 59.53 47.87 33.60 26.94 45.74
1955 28.10 ----- z 47.21 l 51.63 c 57.54 c 56.72 a 67.69 o ----- z 62.45 s 44.26 34.40 29.81 43.21
1956 26.48 38.17 38.48 45.27 57.48 61.43 65.97 64.32 53.97 48.87 35.03 40.06 47.96
1957 30.87 39.32 37.65 50.37 56.19 65.17 65.06 62.23 61.60 45.90 39.60 35.50 a 49.12
1958 26.45 20.29 35.81 46.67 54.77 61.57 67.68 63.06 58.33 44.29 38.83 26.03 45.32
1959 26.32 32.93 35.71 46.67 57.94 60.33 65.03 65.77 59.40 49.81 33.97 34.65 47.38
1960 32.77 27.52 26.94 47.23 50.74 62.90 65.61 66.90 60.77 49.58 35.50 24.94 45.95
1961 23.61 36.00 42.68 43.62 a 51.06 59.40 65.10 63.16 58.93 44.65 40.13 32.52 46.74
1962 26.74 34.86 35.94 43.87 59.06 62.47 64.19 63.77 58.73 49.10 37.43 25.90 46.84
1963 21.90 23.21 41.81 49.87 53.42 60.80 64.77 63.39 55.93 45.90 38.23 21.35 45.05
1964 25.61 27.00 36.87 51.67 56.26 64.60 65.23 64.03 57.57 43.29 39.60 32.84 47.05
1965 29.52 29.57 33.61 50.87 57.19 63.10 65.13 64.65 62.07 43.26 40.27 32.32 47.63
1966 24.00 32.07 37.27 a 47.80 52.42 59.33 67.19 64.77 58.70 42.61 39.50 30.03 a 46.31
1967 31.19 27.14 42.42 50.00 53.29 62.13 63.68 62.39 53.87 44.71 32.63 36.58 46.67
1968 27.10 21.93 35.55 48.33 53.77 61.80 65.84 66.71 56.27 47.00 38.60 28.90 45.98
1969 28.32 31.32 30.00 49.24 a 54.84 62.87 68.19 62.16 55.80 48.43 a 33.73 28.61 46.13
1970 21.84 28.11 36.06 48.87 53.81 60.70 63.42 66.77 62.67 50.06 36.83 34.65 46.98
1971 28.23 29.29 33.94 42.37 50.03 63.43 65.42 64.61 62.27 53.26 37.93 39.87 47.55
1972 32.23 29.48 37.71 47.70 52.39 58.43 64.61 64.87 62.50 48.48 37.80 35.42 47.64
1973 27.52 29.50 47.19 46.80 51.26 64.17 67.81 63.65 62.77 49.39 41.70 32.13 48.66
1974 38.61 31.89 44.58 45.17 57.42 58.70 64.65 65.10 56.03 40.71 37.30 33.06 47.77
1975 34.26 34.68 37.03 44.70 57.48 62.07 65.32 66.77 56.77 50.10 40.33 32.35 48.49
1976 25.61 37.24 44.29 43.63 50.81 62.20 63.97 61.52 55.80 42.97 29.37 25.71 45.26
1977 17.03 26.39 40.97 48.27 56.84 62.10 68.65 66.84 62.17 44.32 43.10 31.06 47.31
1978 20.90 21.57 36.06 46.07 54.81 63.77 67.45 67.26 62.37 41.58 42.33 30.23 46.20
1979 23.94 27.79 40.26 47.13 55.06 61.07 67.77 64.94 59.33 46.65 36.67 31.45 46.84
1980 32.61 25.55 36.84 43.97 55.84 63.47 68.90 67.97 62.83 43.94 38.67 c 29.39 47.50
1981 23.13 30.75 35.24 f 52.60 51.97 64.87 68.23 65.16 54.97 47.39 39.33 29.52 47.99
1982 24.87 31.93 42.74 44.50 57.65 60.93 68.84 65.68 58.37 48.16 40.47 40.35 48.71
1983 29.74 32.25 39.35 42.00 54.42 62.17 67.84 69.10 58.87 49.42 39.13 26.42 47.56
1984 23.29 32.17 37.48 47.97 53.23 63.43 65.42 66.19 55.77 56.81 37.17 40.74 48.31
1985 20.35 29.43 42.58 48.27 57.29 63.63 67.29 67.06 57.53 54.55 48.47 24.94 48.45
1986 25.06 36.61 38.42 45.93 57.97 65.70 69.13 64.81 63.43 49.90 44.13 32.81 49.49
1987 28.52 ----- z 39.68 42.20 59.77 64.63 67.16 67.87 57.27 39.39 40.93 35.52 49.36
1988 25.71 27.21 38.32 45.55 a 50.42 59.60 68.19 67.65 61.03 40.84 40.60 31.06 46.35
1989 34.48 31.93 40.67 a 44.33 53.65 64.67 67.58 64.65 60.03 46.13 38.80 21.71 47.39
1990 36.74 40.36 41.68 45.33 55.48 63.07 65.45 64.81 60.30 47.35 39.93 35.10 49.63
1991 32.35 33.46 42.00 51.63 62.00 64.87 67.90 65.13 59.83 47.61 36.50 36.00 49.94
1992 30.68 34.03 38.13 46.23 52.26 61.20 68.03 62.26 59.77 46.23 40.07 33.74 47.72
1993 33.55 27.82 37.55 45.10 55.23 63.07 68.97 66.97 57.43 46.06 36.37 31.87 47.50
1994 26.00 31.39 37.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 31.46
1995 ----- z ----- z ----- z ----- z 56.74 61.50 67.42 69.94 58.53 47.77 32.93 28.29 52.89
1996 28.23 29.00 33.42 42.50 58.00 63.70 66.29 65.32 57.13 47.71 36.97 33.97 46.85
1997 28.39 36.39 42.32 41.20 50.74 62.23 66.19 64.10 59.27 45.77 34.77 30.13 46.79
1998 35.10 36.18 40.26 46.60 58.10 65.83 69.29 66.26 61.23 48.84 38.93 34.10 50.06
1999 33.94 34.50 32.65 50.70 53.68 64.60 69.81 64.26 54.50 45.00 39.27 31.32 47.85
2000 30.03 33.66 39.68 44.10 59.45 64.27 67.42 66.61 58.70 47.57 a 36.87 22.61 47.58
2001 24.84 34.82 34.94 51.73 56.06 61.40 68.19 68.06 58.37 44.00 38.83 34.87 48.01
2002 31.35 28.61 37.71 50.40 53.13 63.97 69.77 67.26 64.10 54.55 36.63 31.32 49.07
2003 23.65 31.25 40.55 48.27 57.84 63.24 e 67.68 68.03 58.10 46.71 42.93 29.32 48.13
2004 28.30 d 30.55 41.97 45.57 60.10 66.13 66.77 62.06 59.73 54.35 44.10 28.50 e 49.01
2005 34.45 35.04 36.39 46.50 51.13 64.53 70.26 69.65 60.47 47.71 38.37 26.97 48.45
2006 34.58 29.89 39.19 51.60 56.03 62.73 68.45 70.56 d 57.60 45.42 36.30 28.94 48.44
2007 30.25 g 25.70 e 43.14 i 43.83 56.23 64.33 67.48 71.35 62.27 52.29 35.83 36.45 51.58
2008 26.97 32.31 38.00 46.53 55.61 65.30 65.97 64.35 60.20 45.65 33.50 30.26 47.05
2009 25.71 32.32 40.13 45.93 57.75 c 65.93 a 65.85 d 66.16 62.47 46.48 38.33 30.32 48.12
2010 24.03 24.82 36.71 47.97 58.94 68.90 70.23 70.39 59.73 44.48 36.80 26.03 47.42
2011 25.43 a 32.67 a 40.39 c 50.00 55.97 b 66.40 70.61 c 66.41 b 57.54 d 44.62 b 40.29 b 33.59 b 48.66
2012 32.77 32.96 b 48.37 d 48.79 a 60.20 u ----- z ----- z ----- z ----- z ----- z ----- z ----- z 40.73
Period of Record Statistics
MEAN 28.44 31.13 38.56 46.96 55.37 63.00 66.94 65.71 58.97 46.78 37.88 31.19 47.55
S.D. 4.70 4.36 3.78 2.94 2.83 2.27 1.80 2.32 2.64 3.78 3.47 4.38 1.16
SKEW 0.11 -0.34 -0.16 0.11 -0.10 -0.23 0.02 0.28 -0.09 0.13 0.11 0.01 0.02
MAX 38.61 40.36 48.37 52.60 62.00 68.90 70.61 71.35 64.10 56.81 48.47 40.74 50.06
MIN 17.03 20.29 26.94 41.20 50.03 56.72 63.42 61.29 53.87 35.87 29.37 21.35 45.05
NO YRS 59 58 57 59 58 59 59 59 59 60 60 60 53