NORFOLK WSO AIRPORT, VIRGINIA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(446139)

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
1946 50.06 52.93 64.03 66.43 76.55 81.80 83.39 81.29 78.50 71.65 63.63 56.42 68.89
1947 56.16 45.54 48.61 68.30 77.10 81.24 a 84.06 84.77 81.17 73.45 57.23 49.68 67.28
1948 42.74 50.07 60.94 66.97 76.10 83.54 b 87.06 84.90 78.73 65.84 64.77 53.39 67.92
1949 56.10 56.43 59.32 66.47 75.06 82.07 88.06 84.97 77.23 72.81 60.63 54.23 69.45
1950 62.45 52.64 56.32 65.23 72.77 83.07 85.19 82.68 77.37 71.23 60.57 46.55 68.01
1951 54.06 52.89 56.13 67.60 74.65 83.20 86.74 84.03 b 79.43 71.00 57.97 55.81 68.63
1952 54.16 51.76 56.39 68.23 76.13 88.40 90.52 85.90 79.60 68.13 60.50 50.58 69.19
1953 54.71 55.18 59.77 68.57 80.58 82.87 87.90 85.74 80.33 71.03 61.03 54.52 70.19
1954 50.74 56.14 58.03 71.70 72.87 85.00 86.74 86.61 83.20 74.26 57.97 49.94 69.43
1955 45.42 51.39 62.45 70.47 76.67 a 81.00 90.16 87.26 78.47 72.42 60.97 45.19 68.49
1956 43.74 54.72 57.52 66.97 75.19 84.23 87.52 86.03 78.60 68.68 58.97 61.29 68.62
1957 47.58 52.54 56.29 73.37 77.45 86.67 88.52 83.84 81.77 65.48 62.00 55.10 69.22
1958 45.13 44.79 50.45 66.50 76.10 80.97 90.94 85.26 79.63 68.35 64.60 45.03 66.48
1959 49.10 52.39 59.16 70.97 79.71 86.17 85.71 88.45 81.33 72.42 60.10 53.16 69.89
1960 48.90 49.72 46.90 74.53 77.16 84.27 86.97 87.45 80.30 70.13 62.73 47.16 68.02
1961 43.52 53.07 62.84 65.20 72.45 81.37 89.94 85.32 82.60 70.61 61.20 49.87 68.17
1962 47.71 49.54 51.45 66.70 77.39 81.93 83.00 83.39 77.03 69.68 56.03 44.19 65.67
1963 44.32 44.00 63.97 70.30 74.45 82.03 86.10 85.52 74.33 69.10 61.27 42.35 66.48
1964 51.68 48.34 59.74 64.40 76.16 84.97 84.71 82.32 78.67 65.81 65.13 54.81 68.06
1965 49.35 50.96 53.32 64.17 79.90 81.07 84.03 85.90 82.23 68.42 61.20 53.13 67.81
1966 43.13 45.71 57.71 63.57 72.94 80.80 87.48 81.97 77.50 68.58 59.80 48.55 65.64
1967 53.94 47.96 57.06 69.13 70.74 80.13 83.74 82.06 74.53 68.71 55.20 53.42 66.39
1968 43.23 43.07 61.16 64.50 74.16 84.03 85.13 88.61 80.37 71.26 61.47 49.68 67.22
1969 45.48 45.00 52.71 69.27 76.77 85.07 86.19 83.74 79.07 69.13 56.83 48.19 66.45
1970 41.87 48.86 51.68 64.27 75.58 83.47 83.90 86.03 83.67 71.06 59.97 54.42 67.06
1971 45.61 55.07 55.39 67.30 74.03 84.30 85.10 83.74 80.23 72.29 61.53 60.97 68.80
1972 54.16 51.17 57.55 67.13 70.81 79.43 85.32 83.84 79.20 66.16 59.27 56.90 67.58
1973 48.45 47.96 60.06 68.33 75.58 84.73 86.74 86.00 83.67 73.29 63.93 54.71 69.46
1974 56.39 52.21 62.61 72.13 75.45 80.63 87.42 84.23 78.67 68.71 62.67 54.35 69.62
1975 55.52 53.89 56.29 61.83 77.81 86.17 86.77 89.48 78.97 71.71 65.70 52.65 69.73
1976 49.16 62.34 63.55 73.40 76.13 84.60 87.55 83.87 80.83 66.61 55.63 50.84 69.54
1977 36.35 52.32 64.42 72.50 78.13 83.67 90.68 90.19 84.63 68.48 62.03 51.52 69.58
1978 44.94 38.89 54.32 66.23 73.03 83.53 84.39 88.81 82.70 71.00 63.47 55.26 67.21
1979 47.90 41.46 59.35 67.80 74.97 79.43 85.32 86.55 78.97 70.52 66.13 53.65 67.67
1980 46.90 43.10 55.55 68.53 77.23 82.97 90.94 90.35 84.63 69.68 59.87 50.94 68.39
1981 41.65 53.21 55.48 72.17 73.58 87.13 87.90 82.71 79.50 68.26 57.87 48.77 67.35
1982 43.84 49.86 58.23 64.70 78.68 81.07 86.06 83.35 77.90 68.42 63.20 56.42 67.64
1983 46.32 47.79 58.90 65.27 75.00 81.83 90.10 88.00 80.83 70.16 62.93 49.68 68.07
1984 43.32 56.21 54.16 64.10 77.45 85.80 83.68 85.90 78.03 74.45 58.83 60.77 68.56
1985 43.06 48.54 61.45 73.43 78.06 82.93 85.90 84.81 81.93 73.68 68.67 50.10 69.38
1986 48.06 49.57 60.61 67.07 76.97 85.97 90.81 83.94 80.43 73.23 61.83 52.13 69.22
1987 46.42 47.04 57.03 62.47 78.23 86.00 91.26 87.10 81.90 66.61 64.40 54.39 68.57
1988 44.90 52.24 59.68 66.03 74.81 83.27 88.81 88.71 77.90 66.19 64.53 52.19 68.27
1989 53.97 52.21 59.06 66.17 75.94 87.23 87.16 84.19 80.90 71.97 62.87 42.48 68.68
1990 58.26 60.21 62.61 68.97 75.81 85.17 88.48 84.87 79.97 75.52 65.67 59.65 72.10
1991 51.71 55.46 61.81 71.50 82.48 84.70 89.45 87.19 81.20 71.45 61.83 57.19 71.33
1992 51.06 53.10 58.77 68.13 70.68 80.63 90.39 83.16 80.17 67.61 61.80 51.84 68.11
1993 51.58 47.36 55.61 66.73 78.61 85.40 92.03 87.58 83.53 70.06 62.13 49.39 69.17
1994 45.16 53.93 62.19 76.03 74.00 88.27 91.23 86.19 81.00 70.84 66.40 57.26 71.04
1995 52.10 49.04 61.10 71.30 77.13 83.57 92.13 87.68 79.33 74.94 57.17 47.94 69.45
1996 46.81 50.28 53.23 68.77 72.90 83.07 84.90 81.10 79.23 70.10 53.83 54.58 66.57
1997 49.16 54.04 60.81 64.10 73.42 80.90 87.16 84.48 79.13 70.35 57.77 50.97 67.69
1998 53.71 53.93 58.29 67.90 75.71 83.90 85.97 85.55 83.10 70.00 61.47 56.06 69.63
1999 55.77 53.07 56.32 67.90 74.39 81.00 88.65 86.65 78.07 69.35 64.07 54.77 69.17
2000 47.39 53.83 62.84 65.93 79.45 84.53 83.13 83.39 77.47 70.77 57.17 45.94 67.65
2001 47.26 52.57 54.26 68.30 75.32 82.80 83.52 86.45 77.53 71.03 65.63 58.29 68.58
2002 53.94 55.57 61.84 71.67 75.52 85.47 88.71 87.19 80.07 70.16 59.70 49.90 69.98
2003 43.16 48.39 60.65 66.47 73.48 82.07 87.29 87.03 80.60 70.45 67.63 53.35 68.38
2004 46.35 50.31 61.23 70.03 82.32 82.07 86.13 82.87 78.07 67.68 61.63 52.87 68.46
2005 49.90 48.32 53.26 66.47 70.68 82.60 88.06 86.84 82.30 70.42 64.83 49.87 67.80
2006 56.03 51.04 58.58 70.13 75.26 81.93 88.84 89.68 77.77 69.00 61.80 58.74 69.90
2007 54.55 46.25 61.23 66.87 74.39 84.63 88.03 87.74 81.67 77.23 60.20 55.71 69.87
2008 50.26 56.55 61.84 66.70 75.10 89.27 87.13 84.52 80.13 69.26 56.77 57.16 69.56
2009 45.35 52.96 55.61 69.57 77.35 83.10 85.84 86.58 76.97 70.45 61.77 50.90 68.04
2010 45.29 45.07 60.55 72.83 78.87 88.50 92.23 87.06 83.23 72.71 60.80 41.87 69.08
2011 42.81 55.93 57.16 73.20 79.65 87.17 90.84 87.03 81.93 70.97 66.00 59.19 70.99
2012 56.39 56.34 69.23 70.66 a 79.11 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 63.15
Period of Record Statistics
MEAN 48.90 50.96 58.31 68.22 75.89 83.65 87.36 85.62 80.00 70.32 61.41 52.41 68.55
S.D. 5.05 4.37 4.05 3.10 2.57 2.32 2.50 2.18 2.22 2.44 3.17 4.55 1.30
SKEW 0.26 -0.27 -0.36 0.35 0.20 0.39 0.19 -0.01 -0.02 0.26 -0.11 -0.28 -0.03
MAX 62.45 62.34 69.23 76.03 82.48 89.27 92.23 90.35 84.63 77.23 68.67 61.29 72.10
MIN 36.35 38.89 46.90 61.83 70.68 79.43 83.00 81.10 74.33 65.48 53.83 41.87 65.64
NO YRS 67 67 67 67 66 66 66 66 66 66 66 66 66