NORFOLK WSO AIRPORT, VIRGINIA

Monthly Average 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 42.13 44.02 55.34 56.68 67.61 72.77 75.94 74.10 71.60 63.60 55.80 46.97 60.55
1947 47.92 35.96 41.31 58.40 67.31 72.36 b 75.74 77.89 74.08 65.63 50.25 41.52 59.03
1948 34.89 41.36 52.18 57.58 66.79 74.45 b 78.56 76.39 70.95 58.27 56.57 45.45 59.45
1949 48.42 48.07 49.47 57.52 65.58 74.82 80.45 77.85 70.05 64.82 50.98 45.87 61.16
1950 53.26 44.14 46.79 55.22 64.61 73.72 77.24 74.89 70.77 63.82 49.98 38.79 59.44
1951 44.19 43.39 47.61 57.10 64.65 73.90 78.06 77.05 b 71.27 63.87 49.05 46.08 59.69
1952 45.08 43.53 47.77 59.20 66.90 78.53 80.84 77.84 71.87 58.00 51.22 43.12 a 60.33
1953 46.10 46.16 51.11 58.67 71.39 73.88 79.68 77.13 71.83 62.97 51.43 45.63 61.33
1954 41.71 46.66 48.71 60.82 63.95 75.53 77.97 77.90 73.73 64.60 49.98 41.32 60.24
1955 38.37 41.20 52.31 60.42 67.42 a 71.85 81.39 79.81 72.17 62.45 50.58 37.73 59.64
1956 37.23 45.93 48.10 56.57 64.23 75.28 78.69 77.34 70.77 63.44 51.02 52.13 60.06
1957 39.65 44.62 48.34 62.30 68.06 77.68 78.61 75.68 74.73 58.13 53.85 46.69 60.70
1958 37.31 36.39 43.58 57.77 66.66 71.80 81.69 77.77 70.68 61.37 55.62 37.15 58.15
1959 39.69 43.62 49.31 60.20 69.71 76.37 78.73 79.31 73.57 64.73 51.05 44.74 60.92
1960 41.73 41.38 39.16 63.65 68.29 75.42 77.73 79.98 72.80 61.76 52.68 36.47 59.25
1961 34.98 43.59 53.10 55.43 63.55 72.33 80.56 77.69 75.23 60.58 53.17 41.44 59.30
1962 38.89 40.96 43.69 56.33 67.98 73.40 75.15 75.97 69.08 61.74 49.82 37.15 57.51
1963 37.08 35.64 53.37 60.28 64.55 73.23 77.00 76.71 66.70 60.10 51.97 35.11 57.65
1964 42.27 39.88 49.47 55.22 66.37 74.47 77.26 74.37 70.78 57.69 54.58 46.48 59.07
1965 39.63 40.98 44.34 54.42 69.71 72.73 76.68 77.08 73.58 59.02 51.53 43.52 58.60
1966 35.82 38.57 47.90 54.42 63.61 71.57 78.00 74.85 69.85 59.23 50.45 41.37 57.14
1967 45.73 39.86 47.63 57.98 61.21 71.15 76.29 75.19 66.47 58.73 45.87 44.02 57.51
1968 34.79 34.00 50.00 55.05 64.53 74.90 78.02 80.52 71.45 63.02 52.83 41.37 58.37
1969 38.48 39.80 44.66 59.77 67.37 77.07 79.16 76.21 71.10 62.16 49.13 40.82 58.81
1970 33.84 39.29 44.68 56.63 67.47 74.85 76.85 77.95 74.63 63.68 51.65 46.95 59.04
1971 38.53 44.62 46.85 55.92 64.98 76.00 77.19 75.74 73.23 66.69 52.43 52.26 60.37
1972 46.34 43.12 49.05 56.35 63.45 70.52 77.56 75.81 71.87 59.15 51.53 49.18 59.49
1973 40.48 39.64 52.21 58.45 66.87 76.87 78.26 78.44 74.97 64.13 53.52 46.23 60.84
1974 48.55 43.36 53.10 60.78 66.71 72.82 78.31 77.34 71.33 58.66 53.47 45.90 60.86
1975 45.97 45.36 47.32 52.70 68.31 76.98 78.56 79.58 72.27 63.35 55.67 43.18 60.77
1976 38.81 49.90 53.42 61.90 66.34 75.83 78.19 75.87 71.07 57.68 45.88 41.40 59.69
1977 29.15 41.45 54.65 61.92 68.18 74.30 81.34 80.95 76.33 60.47 54.82 43.50 60.59
1978 37.02 32.59 46.05 57.20 65.58 74.10 76.08 80.44 73.22 60.74 55.95 45.26 58.68
1979 39.37 33.30 49.06 58.05 66.66 70.35 77.13 78.50 72.80 60.39 56.38 44.87 58.91
1980 40.29 34.69 46.47 58.60 67.79 73.82 80.85 80.85 76.10 60.40 49.90 42.29 59.34
1981 32.66 43.04 45.37 61.17 65.02 78.25 79.79 75.11 70.68 59.55 50.65 40.94 58.52
1982 35.42 41.93 48.82 54.95 69.34 73.32 78.58 75.27 69.98 60.23 54.33 48.74 59.24
1983 40.19 40.73 51.00 55.68 65.73 72.95 80.26 78.98 72.78 62.66 52.63 41.58 59.60
1984 35.50 46.67 45.35 55.53 67.71 76.18 76.63 78.34 70.47 66.84 49.93 50.87 60.00
1985 34.84 40.41 51.76 62.03 68.79 74.23 78.21 77.15 73.42 65.89 60.25 41.19 60.68
1986 39.24 42.09 49.87 57.23 67.52 76.08 82.10 76.58 72.38 65.37 54.87 44.74 60.67
1987 39.60 38.71 47.45 54.57 68.24 76.95 82.31 79.53 74.25 56.58 54.32 45.95 59.87
1988 37.32 42.48 49.47 56.48 65.74 73.58 80.06 80.79 70.47 56.85 54.23 42.42 59.16
1989 45.31 43.62 50.08 56.42 65.61 78.48 79.13 77.69 73.88 62.61 53.22 34.76 60.07
1990 47.29 50.14 53.19 58.67 66.60 75.50 80.58 77.92 71.52 65.90 54.95 50.53 62.73
1991 43.48 45.95 52.71 61.58 72.81 76.20 81.98 79.45 72.27 61.89 52.70 47.55 62.38
1992 42.66 44.95 48.74 58.20 62.34 71.97 81.77 75.60 73.50 59.68 53.82 44.63 59.82
1993 44.19 39.02 46.79 57.27 68.47 76.03 83.44 78.85 74.62 61.21 53.52 41.42 60.40
1994 36.45 43.41 51.71 64.73 64.87 79.52 82.98 77.53 72.38 61.98 57.43 50.08 61.92
1995 45.06 41.46 51.68 60.40 67.89 75.78 83.24 80.06 72.20 65.48 48.32 39.98 60.96
1996 38.65 41.31 44.98 58.73 65.23 75.18 77.66 74.85 72.35 61.76 46.45 46.71 58.66
1997 41.27 45.95 51.45 54.53 63.98 72.02 79.05 76.32 71.95 62.08 50.28 43.42 59.36
1998 46.48 47.21 50.74 58.92 67.44 75.90 78.94 78.92 75.27 61.92 52.53 48.66 61.91
1999 46.03 44.50 47.63 58.00 66.45 73.90 81.10 79.53 72.02 61.42 55.43 45.79 60.98
2000 40.13 45.05 52.95 57.48 70.26 76.12 76.34 76.60 71.47 62.10 49.27 38.16 59.66
2001 39.24 43.95 46.42 58.13 66.52 75.78 76.29 78.79 70.37 61.32 56.03 49.69 60.21
2002 44.58 45.62 52.19 62.70 66.69 76.77 80.76 79.47 74.02 64.31 51.10 42.32 61.71
2003 36.23 41.00 51.63 57.92 65.71 74.97 80.15 80.34 74.05 61.98 58.10 44.35 60.54
2004 38.74 42.60 52.40 60.33 73.06 75.10 79.23 75.95 72.60 60.92 53.28 44.31 60.71
2005 41.66 41.38 45.24 57.42 62.42 75.12 80.94 80.13 75.82 63.81 54.63 41.94 60.04
2006 47.39 42.59 49.71 60.53 66.19 74.40 80.79 81.27 70.33 61.06 54.48 48.19 61.41
2007 46.11 38.11 51.29 57.53 65.56 75.87 79.39 79.66 74.35 69.13 52.00 47.79 61.40
2008 42.16 46.74 52.87 58.95 65.21 79.18 79.02 77.71 73.85 60.37 49.38 48.18 61.14
2009 37.71 43.02 47.50 59.42 68.92 75.55 77.58 79.52 71.10 62.47 55.25 43.85 60.16
2010 37.82 37.29 51.00 61.77 70.16 80.32 82.82 80.11 75.15 63.90 52.53 35.06 60.66
2011 36.02 45.57 49.21 63.33 69.85 78.77 82.27 79.95 74.88 62.21 56.37 50.34 62.40
2012 47.19 46.98 59.29 60.69 a 70.17 v ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.54
Period of Record Statistics
MEAN 40.75 42.25 49.23 58.37 66.74 74.93 79.14 77.86 72.38 61.95 52.62 44.03 59.99
S.D. 4.65 3.79 3.49 2.59 2.32 2.20 2.07 1.89 2.01 2.61 2.87 4.20 1.22
SKEW 0.20 -0.48 -0.17 0.27 0.30 0.13 0.22 -0.11 -0.37 0.16 -0.06 -0.24 -0.16
MAX 53.26 50.14 59.29 64.73 73.06 80.32 83.44 81.27 76.33 69.13 60.25 52.26 62.73
MIN 29.15 32.59 39.16 52.70 61.21 70.35 75.15 74.10 66.47 56.58 45.87 34.76 57.14
NO YRS 67 67 67 67 66 66 66 66 66 66 66 66 66