ROANOKE WSO AIRPORT, VIRGINIA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(447285)

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
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 83.61 76.67 66.26 58.60 49.55 66.94
1949 53.58 54.14 56.71 64.37 77.23 84.50 86.42 82.45 75.33 71.39 57.77 49.71 67.80
1950 57.61 49.29 53.97 65.90 75.55 82.73 82.52 81.84 74.87 71.45 54.50 42.81 66.09
1951 48.58 50.64 54.65 65.60 76.58 84.40 88.23 87.48 80.43 71.65 51.37 48.29 67.32
1952 51.52 51.52 56.00 67.57 76.48 90.70 91.32 84.35 79.80 67.61 57.00 48.03 68.49
1953 50.03 52.25 57.23 66.03 82.97 86.77 91.19 89.35 82.33 74.23 59.60 48.52 70.04
1954 47.55 54.57 55.52 73.13 72.00 86.67 90.65 86.19 85.93 71.35 51.97 44.77 68.36
1955 43.90 50.59 a 58.65 71.50 79.84 79.63 90.55 86.77 77.67 70.10 55.50 43.94 67.39
1956 43.35 50.97 57.61 64.83 77.65 84.37 87.32 88.29 77.30 67.81 55.07 57.35 67.66
1957 43.77 52.50 55.23 71.73 79.58 83.77 88.71 84.87 77.33 63.03 57.30 49.97 67.32
1958 41.32 39.93 48.90 66.57 75.42 83.40 88.74 85.81 80.87 67.77 60.30 43.26 65.19
1959 45.68 51.61 57.55 70.57 79.87 86.37 87.77 90.61 82.03 68.71 55.30 49.42 68.79
1960 45.45 44.55 42.74 72.90 74.48 84.77 87.39 88.81 79.17 69.48 60.03 42.23 66.00
1961 42.35 50.39 59.81 59.57 73.19 82.90 87.74 85.81 83.07 71.58 56.87 44.42 66.47
1962 44.26 49.79 52.90 64.63 81.84 83.33 84.87 85.87 75.20 70.19 54.07 42.23 65.77
1963 43.52 42.89 60.84 71.50 76.13 84.07 86.68 85.13 78.40 75.26 57.80 38.03 66.69
1964 47.03 43.69 57.65 67.57 79.35 86.73 86.48 84.71 78.73 66.81 63.43 49.65 67.65
1965 45.87 46.86 52.19 66.10 80.29 80.30 83.45 85.77 81.43 67.77 57.60 52.74 66.70
1966 38.26 42.39 58.52 60.90 74.84 84.77 90.45 82.61 75.77 67.16 59.10 45.39 65.01
1967 51.06 44.96 61.39 71.73 70.00 82.00 83.39 82.65 76.13 66.48 53.60 50.55 66.16
1968 42.03 44.52 63.90 68.10 73.71 83.43 86.19 85.65 79.30 67.71 56.73 42.74 66.17
1969 40.58 45.14 51.94 69.30 77.90 83.90 86.39 84.81 77.70 69.26 55.63 40.97 65.29
1970 39.45 47.96 52.90 68.30 79.16 85.03 87.61 84.87 85.07 70.61 56.50 50.06 67.30
1971 43.35 50.11 54.77 70.77 73.06 83.40 83.52 83.10 78.70 70.77 55.50 55.42 66.87
1972 49.94 46.00 56.74 68.70 73.61 78.47 84.55 84.03 78.47 63.00 54.50 53.32 65.94
1973 47.32 46.18 59.58 63.40 72.42 84.50 85.97 85.71 81.97 70.42 60.43 45.97 66.99
1974 54.06 49.82 61.81 69.93 75.81 78.70 85.16 82.45 74.47 68.45 58.57 47.87 67.26
1975 49.52 49.96 51.29 64.23 76.19 82.00 83.81 87.13 75.67 71.90 62.97 48.81 66.96
1976 43.65 59.45 63.55 73.40 74.32 81.30 85.77 85.00 77.40 60.16 51.00 45.61 66.72
1977 32.29 48.93 63.94 71.83 80.52 82.83 93.00 89.39 80.70 63.52 56.23 45.29 67.37
1978 35.97 37.07 53.81 66.70 74.45 84.53 86.52 87.16 81.40 67.94 59.97 50.55 65.50
1979 40.10 38.32 60.61 66.43 74.90 79.73 82.52 84.29 75.30 66.10 59.93 51.71 65.00
1980 44.87 44.07 53.65 68.33 77.03 81.70 89.52 88.16 81.97 66.35 55.77 48.58 66.67
1981 41.61 50.14 53.84 70.80 72.74 84.73 85.77 85.32 76.87 64.29 56.07 40.32 65.21
1982 37.61 47.46 56.32 62.23 80.35 80.03 84.97 82.74 76.97 67.90 58.87 51.32 65.57
1983 43.52 45.64 55.58 61.47 72.90 81.60 89.94 89.90 81.03 67.42 56.77 43.55 65.78
1984 42.29 54.24 52.94 63.90 74.61 86.13 83.10 84.65 75.20 74.19 57.50 57.29 67.17
1985 40.10 49.04 61.97 74.87 78.29 83.80 85.87 83.71 80.33 70.65 64.80 44.71 68.18
1986 46.16 46.04 59.97 71.33 75.32 86.77 90.42 82.45 78.83 70.19 56.00 47.48 67.58
1987 41.77 46.39 58.42 63.13 78.74 86.60 91.39 89.19 78.83 65.35 60.40 49.65 67.49
1988 40.68 48.48 59.97 66.90 75.97 83.73 89.61 89.16 75.70 62.94 58.80 48.84 66.73
1989 52.13 47.86 57.97 66.07 72.16 83.27 85.42 83.94 77.20 71.45 57.30 38.71 66.12
1990 54.06 58.29 62.61 68.63 74.39 84.23 87.94 84.42 79.07 71.10 65.27 53.32 70.28
1991 49.00 54.07 59.26 68.13 80.13 84.20 88.06 85.48 80.70 73.52 57.27 52.77 69.38
1992 49.29 51.45 56.81 66.23 70.10 77.80 87.90 81.84 77.67 67.68 54.80 47.00 65.71
1993 48.29 45.79 50.32 66.63 77.42 84.03 91.81 88.74 79.00 67.13 57.93 44.84 66.83
1994 38.97 50.04 57.29 74.00 72.26 85.93 87.26 83.71 78.83 69.16 63.47 52.39 67.78
1995 46.52 46.25 62.65 69.30 75.19 81.07 88.00 88.97 78.27 70.61 53.13 44.16 67.01
1996 42.35 46.62 52.35 68.00 75.74 83.17 84.16 82.94 74.67 67.87 49.93 49.77 64.80
1997 44.19 52.07 60.23 63.67 71.61 78.77 86.77 84.48 78.13 67.48 52.20 46.19 65.48
1998 48.94 49.82 54.90 67.60 76.61 83.67 88.32 86.94 85.97 70.55 60.37 52.81 68.87
1999 48.97 52.71 54.16 68.40 76.83 a 83.10 89.42 86.71 77.23 66.81 63.47 52.35 68.35
2000 44.74 54.00 63.35 64.93 a 79.84 83.50 81.81 81.97 74.70 72.71 53.90 38.79 b 66.19
2001 46.68 54.50 52.65 71.43 75.77 83.93 84.97 86.97 77.57 70.19 66.62 a 52.93 a 68.68
2002 52.42 52.11 59.87 70.73 75.55 86.03 87.77 87.65 80.07 65.00 54.67 45.42 68.11
2003 40.84 42.39 60.94 67.10 70.68 78.57 84.32 85.19 76.10 67.00 62.73 46.16 65.17
2004 43.39 48.00 60.84 68.53 81.13 80.73 85.42 83.13 78.00 67.23 60.50 49.32 67.18
2005 49.03 50.89 53.13 67.87 73.65 81.97 85.97 86.48 82.50 69.35 61.63 44.19 67.22
2006 52.77 48.82 59.71 73.30 75.35 82.53 87.81 88.32 74.23 65.94 60.83 55.61 68.77
2007 50.19 43.32 64.84 66.53 79.00 84.63 85.52 93.71 83.50 74.97 59.30 51.35 69.74
2008 46.81 51.41 60.26 67.60 75.48 87.33 86.90 84.71 78.73 69.23 54.47 51.23 67.85
2009 45.16 52.75 57.65 68.37 74.94 83.80 82.58 85.29 77.83 66.97 60.57 44.61 66.71
2010 41.00 39.00 59.87 74.23 77.90 88.70 89.97 86.42 83.33 71.65 58.47 37.97 67.38
2011 42.42 54.14 56.97 71.87 76.52 87.03 90.52 88.39 77.20 67.23 62.23 54.16 69.06
2012 51.19 54.93 68.55 69.21 a 78.44 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 60.97
Period of Record Statistics
MEAN 45.48 48.75 57.39 68.05 76.09 83.54 87.05 85.75 78.76 68.69 57.82 47.77 67.07
S.D. 4.91 4.60 4.40 3.44 2.97 2.58 2.64 2.48 2.85 3.06 3.61 4.68 1.31
SKEW 0.02 -0.32 -0.35 -0.13 0.10 -0.07 0.14 0.58 0.58 -0.18 0.18 -0.14 0.37
MAX 57.61 59.45 68.55 74.87 82.97 90.70 93.00 93.71 85.97 75.26 66.62 57.35 70.28
MIN 32.29 37.07 42.74 59.57 70.00 77.80 81.81 81.84 74.23 60.16 49.93 37.97 64.80
NO YRS 64 64 64 64 63 63 63 64 64 64 64 64 63