GRANDFATHER MOUNTAIN, NORTH CAROLINA

Monthly Average Minimum Temperature (Degrees Fahrenheit)

(313565)

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
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 57.16 f 51.27 38.63 a 28.71 i 16.39 c 35.43
1956 13.87 26.56 d 29.00 h 33.21 f 43.58 l 52.17 54.61 55.61 48.77 42.23 29.63 33.70 d 39.68
1957 21.32 c 28.96 c 28.56 d 40.34 a 46.97 b 54.66 a 55.89 c 55.00 b 53.00 a 35.77 33.12 f 24.74 d 40.47
1958 11.64 i 16.64 n 26.35 k 34.50 f 48.08 e 52.00 a 56.35 55.50 a 49.30 40.79 b 35.38 d 22.91 h 48.20
1959 19.91 i 23.56 a 25.07 c 38.75 b 48.71 51.00 55.94 57.77 51.14 a 41.33 a 32.68 h 25.19 e 41.85
1960 22.19 e 18.57 o 30.29 x 39.66 a 40.71 51.93 55.58 56.61 51.07 43.96 c 31.80 e 17.54 g 43.72
1961 15.54 g 28.12 c 30.87 29.19 d 39.84 50.13 54.29 54.81 52.17 38.16 33.30 23.17 b 39.46
1962 20.79 b 25.89 24.19 31.77 50.87 52.40 55.35 55.16 48.33 42.16 29.72 a 18.19 37.90
1963 16.53 a 14.19 a 32.45 37.87 50.87 51.50 53.97 54.42 48.57 43.45 31.13 13.97 37.41
1964 21.32 f 17.23 c 27.38 b 38.53 47.10 a 54.30 54.13 53.87 49.27 36.23 35.57 26.81 40.04
1965 23.86 b 19.93 25.65 40.73 49.71 51.10 55.65 55.74 49.73 36.16 30.45 a 25.35 38.67
1966 16.59 d 19.58 b 25.23 34.62 a 43.65 51.10 55.16 54.06 47.97 37.93 a 29.96 b 22.11 c 36.50
1967 22.33 a 16.46 29.81 37.73 41.60 a 50.13 51.90 52.32 43.73 39.10 a 24.63 27.84 36.47
1968 20.55 b 13.04 b 28.62 e 37.46 b 41.52 b 52.73 55.83 a 57.29 48.30 39.55 30.79 b 17.83 a 36.96
1969 17.97 17.50 b 22.17 g 37.52 a 46.03 a 54.30 58.06 53.68 49.60 39.84 26.37 16.77 e 37.97
1970 14.94 19.75 27.94 38.83 47.26 52.03 57.23 56.61 54.30 42.87 28.53 25.61 38.83
1971 18.61 20.89 21.81 35.57 42.42 55.10 55.03 55.06 53.03 46.71 28.40 32.07 a 38.73
1972 24.39 20.22 b 27.03 36.23 43.29 48.53 55.97 55.10 52.43 38.26 28.23 31.10 38.40
1973 21.94 19.86 34.71 34.03 42.10 53.63 56.42 55.65 53.83 43.35 33.63 23.33 a 39.37
1974 34.17 a 21.61 33.35 35.38 a 44.74 48.13 55.39 55.35 48.03 39.16 30.43 24.82 c 39.21
1975 23.77 a 25.15 a 24.00 34.23 49.67 a 52.03 55.35 57.68 49.48 a 44.94 35.43 22.27 e 39.50
1976 16.00 27.72 33.77 38.63 42.71 52.47 53.73 a 53.61 47.50 34.84 22.72 a 18.61 36.86
1977 4.97 17.29 31.29 40.97 47.87 52.30 58.26 56.90 52.37 35.94 32.97 19.39 37.54
1978 10.42 13.52 a 26.42 37.83 44.29 53.50 56.39 57.32 53.63 38.77 37.13 24.16 37.78
1979 14.26 17.48 c 29.65 36.47 45.26 49.47 54.29 56.13 49.97 37.61 33.37 25.81 37.48
1980 22.55 14.59 24.55 36.13 46.10 51.21 a 58.32 58.58 54.27 37.65 29.14 b 24.33 a 38.12
1981 13.42 21.27 b 22.63 a 40.43 43.55 55.87 57.65 53.87 49.60 37.23 31.70 17.58 37.07
1982 14.81 23.14 30.94 31.67 50.19 52.03 56.77 54.97 48.57 41.10 33.43 30.03 38.97
1983 18.57 c 21.43 28.29 31.27 42.87 51.63 56.87 58.23 49.30 40.39 30.80 17.74 37.28
1984 19.90 24.31 25.17 a 34.37 41.87 54.77 54.61 56.16 48.40 48.26 28.87 33.39 39.17
1985 10.32 22.08 b 30.03 38.90 46.52 51.03 55.13 54.26 49.50 45.65 41.77 17.19 38.53
1986 17.55 25.96 27.87 38.23 46.63 a 55.27 59.13 54.94 52.63 42.71 35.80 26.90 a 40.30
1987 19.48 23.39 28.90 a 36.15 c 51.10 55.17 58.77 58.19 51.33 35.23 33.77 25.97 39.79
1988 16.32 18.66 29.35 35.93 44.90 52.80 56.97 58.45 50.23 34.52 31.53 22.87 37.71
1989 27.77 24.43 33.71 36.23 41.74 54.23 56.26 55.39 51.13 43.06 30.60 15.32 39.16
1990 27.19 29.21 34.00 35.90 45.26 53.37 56.55 56.84 51.03 42.74 35.27 29.23 41.38
1991 23.87 25.43 30.29 40.57 51.16 53.20 58.26 55.52 50.67 41.61 29.87 27.45 40.66
1992 22.13 26.62 27.13 36.90 42.71 50.87 57.55 53.42 51.73 39.32 31.80 23.52 38.64
1993 27.16 19.86 25.40 a 33.63 47.06 54.27 60.23 57.29 51.10 40.52 31.83 22.00 39.20
1994 16.13 24.11 27.65 41.13 ----- z 55.63 56.84 54.87 48.60 40.94 35.59 a 29.16 39.15
1995 21.19 19.29 32.29 39.60 46.42 52.33 58.29 58.77 50.03 41.40 a 26.17 19.16 38.75
1996 18.55 20.62 23.71 33.90 47.58 53.53 55.97 55.74 48.97 40.81 26.37 25.94 37.64
1997 19.45 b 24.07 32.81 32.50 40.61 49.83 57.23 54.19 50.20 40.52 26.53 24.25 c 37.68
1998 26.96 c 24.64 c 25.87 a 36.53 49.48 54.30 57.39 57.10 52.07 43.81 35.41 a 29.71 41.11
1999 29.12 g 24.62 d 23.74 h 39.24 a 45.32 52.77 59.10 57.13 49.73 39.74 35.87 24.83 a 42.84
2000 19.45 25.79 32.81 35.03 50.00 55.27 56.58 55.87 50.67 43.71 29.80 15.16 39.18
2001 19.77 26.86 23.63 d 39.07 47.35 53.93 56.87 57.14 b 48.63 38.42 40.03 29.23 40.08
2002 26.39 c 22.68 28.97 39.37 43.26 54.20 58.81 58.39 54.53 45.35 27.76 a 23.82 c 40.29
2003 11.63 d 21.04 c 33.80 a 38.70 46.00 52.27 57.10 58.35 49.43 38.48 37.30 22.04 h 40.37
2004 17.59 b 21.44 d 31.30 a 38.11 c 50.87 54.73 56.84 54.45 51.54 d 45.26 36.97 21.86 c 40.08
2005 25.21 b 24.32 26.48 d 38.36 b 43.65 54.50 59.65 59.65 54.77 44.83 b 36.19 c 21.48 f 42.51
2006 26.84 20.50 d 26.60 a 41.93 44.03 53.00 58.48 59.23 49.07 38.10 34.03 28.87 a 40.06
2007 22.14 b 15.30 a 35.48 b 34.37 c 47.65 54.07 55.61 62.52 53.03 45.68 30.33 c 30.48 b 40.55
2008 19.07 a 25.41 b 27.65 37.81 c 43.81 55.37 55.77 55.03 52.33 38.48 27.83 25.63 a 38.68
2009 19.00 b 20.00 32.52 b 36.69 a 46.71 55.13 53.77 56.87 50.90 41.06 35.37 22.32 l 40.73
2010 17.96 h 16.00 l 27.60 a 40.40 48.81 58.03 59.71 59.48 53.40 41.32 32.38 a 14.43 j 46.79
2011 17.39 c 25.29 d 30.43 a 39.31 a 46.65 56.27 60.19 56.90 51.20 37.55 33.69 a 29.13 a 40.33
2012 25.21 b 26.39 a 40.27 a 39.41 a 51.44 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 32.82
Period of Record Statistics
MEAN 19.85 21.99 28.96 37.09 45.84 52.99 56.57 56.23 50.62 40.58 31.91 24.12 38.76
S.D. 5.29 4.07 3.79 2.80 3.10 2.01 1.79 1.91 2.12 3.22 3.85 5.02 1.28
SKEW -0.12 -0.35 0.42 -0.64 0.03 -0.17 0.01 0.62 -0.21 0.18 0.08 -0.18 0.07
MAX 34.17 29.21 40.27 41.93 51.16 58.03 60.23 62.52 54.77 48.26 41.77 33.70 41.38
MIN 4.97 13.04 21.81 29.19 39.84 48.13 51.90 52.32 43.73 34.52 22.72 13.97 36.47
NO YRS 51 54 52 55 54 56 56 56 57 57 54 51 42