BACK BAY WILDLIFE REFUG, VIRGINIA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(440385)

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
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 50.80 k 9999.00
1954 51.84 55.79 58.61 68.87 71.42 82.93 84.63 a 85.55 80.90 74.42 57.47 50.03 68.54
1955 45.77 49.75 62.42 67.76 a 73.65 78.50 86.71 84.85 d 78.33 71.90 61.33 46.84 67.32
1956 44.23 55.21 57.73 a 64.50 73.35 80.33 84.77 83.52 78.03 67.83 b 64.10 a 63.13 68.06
1957 51.71 52.96 57.81 73.47 77.48 84.13 86.16 84.20 a 82.03 66.06 61.43 55.87 a 69.44
1958 45.74 45.68 48.13 64.50 73.19 77.90 87.29 83.03 77.07 68.29 63.83 45.55 65.02
1959 47.52 53.96 57.77 67.37 75.10 80.73 82.90 a 85.23 a 79.37 72.45 61.83 53.19 68.12
1960 50.23 49.62 45.58 70.60 72.65 80.30 82.32 84.48 77.87 69.13 61.79 b 47.19 65.98
1961 44.93 b 52.04 61.40 a ----- z ----- z 80.88 f 88.61 h 90.32 84.26 g 70.30 h 62.04 e 51.36 f 62.15
1962 50.56 d 51.07 55.33 g 65.62 a 77.00 h 79.92 f 82.07 b 82.36 c 78.03 71.87 57.93 47.42 65.21
1963 46.13 45.50 63.71 67.72 a 72.29 80.90 84.83 a 84.35 74.73 69.23 63.53 45.37 a 66.53
1964 52.06 50.55 60.90 64.17 73.74 81.60 82.35 81.29 78.70 66.97 65.27 55.84 67.79
1965 50.94 51.14 53.10 63.50 76.45 ----- z 82.96 c 84.35 80.86 a 70.00 62.40 53.81 66.32
1966 45.94 46.71 59.13 62.77 71.55 79.03 85.71 82.90 79.77 71.13 61.33 51.00 66.41
1967 53.19 50.57 58.32 70.03 70.90 76.07 83.10 81.13 75.63 71.52 58.93 55.06 67.04
1968 46.58 44.66 60.94 64.37 73.61 82.63 84.42 86.81 78.47 71.94 63.40 50.77 67.38
1969 46.06 45.93 51.87 68.43 72.77 81.60 85.77 83.71 78.00 70.97 58.50 48.94 66.05
1970 43.58 51.36 53.77 65.47 76.46 c 81.40 84.69 e 83.86 c 81.85 d 70.62 b 60.10 a 52.67 a 67.15
1971 45.96 c 52.37 a 55.12 e 62.96 e 71.43 c 80.50 b 85.57 h 83.11 c 79.57 b 72.73 a 61.55 a 59.78 d 65.92
1972 55.19 d 50.38 58.00 67.20 69.10 77.37 85.39 84.00 79.46 b 68.81 60.71 b 58.23 a 67.82
1973 49.83 a 47.59 a 59.38 b 68.03 74.60 a 83.70 84.57 a 84.94 83.14 b 74.31 b 64.46 d 56.68 69.27
1974 60.00 b 53.80 c 63.37 a 71.30 75.39 c 80.39 b 85.71 82.84 79.67 67.47 a 63.17 g 55.60 a 70.50
1975 55.60 a 55.72 j 59.34 b 61.22 c 72.14 b 82.86 p 85.73 i 88.29 c 79.57 74.23 a 67.52 e 54.65 k 69.74
1976 50.65 61.48 64.31 b 70.89 b 72.79 c 83.15 j 85.96 e 82.45 b 80.05 h 68.64 i 56.90 i 51.44 m 69.79
1977 41.84 f 54.74 a 61.46 g 74.80 j 78.52 83.29 b 90.74 89.39 85.20 69.47 a 64.62 d 54.74 74.52
1978 47.16 41.64 54.30 d 67.87 70.32 81.72 a 83.90 a 88.39 82.24 a 71.50 a 63.38 a 56.41 b 67.40
1979 50.65 41.71 57.41 b 66.29 b 73.40 a 79.89 b 84.16 84.71 80.40 72.17 b 66.13 54.87 67.65
1980 49.13 46.07 b 57.18 c 68.83 75.61 82.72 a 87.84 87.86 c 83.53 71.03 61.96 e 54.00 f 70.16
1981 43.40 a 53.07 a 56.39 73.10 a 72.87 87.83 88.00 83.16 81.43 73.87 64.58 f 49.50 a 69.33
1982 45.30 a 50.14 58.39 61.03 a 73.68 c 80.36 b 84.13 a 82.93 b 78.17 68.94 63.04 d 54.48 h 67.83
1983 46.50 a 47.81 b 57.23 a 62.13 72.77 80.63 88.24 b 86.71 81.40 71.27 a 61.54 d 55.46 e 67.64
1984 43.72 b 54.28 d 52.32 61.64 b 76.74 83.69 a 84.39 85.55 79.17 74.13 59.34 a 59.67 a 67.89
1985 44.06 50.25 58.21 b 70.17 76.83 b 84.15 d 86.11 d 85.32 82.14 a 74.33 a 68.80 50.93 a 69.28
1986 48.00 48.68 57.19 64.87 73.35 83.80 88.35 83.84 79.03 74.23 64.30 53.84 68.29
1987 49.52 46.54 56.58 62.47 78.29 85.80 90.84 88.32 82.40 67.81 65.50 54.87 69.08
1988 46.10 a 55.24 60.48 67.87 75.27 i 85.30 88.68 87.87 78.97 70.85 k 65.24 i 56.95 j 71.31
1989 57.53 l 55.68 f 59.32 c 67.05 j 75.62 j 89.20 88.70 k 85.35 82.75 j 74.78 m 67.50 j 47.78 m 77.96
1990 61.29 j 63.36 f 59.57 q 69.80 77.16 84.41 h 90.00 j 86.77 80.58 k 76.12 o 66.78 l 64.31 o 77.91
1991 54.57 j 61.05 h 63.57 j 71.79 a 81.45 84.20 j 91.68 86.95 i 84.80 j 69.95 i 63.78 l 59.43 h 81.64
1992 53.95 i 55.72 k 60.42 69.07 a ----- z 80.10 a 90.35 85.65 82.29 i 68.81 j 64.89 k 56.18 i 77.12
1993 54.58 l 50.11 54.72 b 66.76 a 79.45 k 86.23 90.22 m 87.84 l 86.52 i 72.53 n 65.35 j 53.71 n 64.46
1994 46.81 j 56.63 a 63.06 73.00 i 74.57 j 84.93 90.10 k 84.97 82.90 i 69.45 k 70.55 j 59.53 l 72.40
1995 50.60 k 49.37 i 62.41 i 70.80 j 78.32 i 82.23 91.25 k 86.32 83.85 j 78.95 j 65.67 o 54.09 t 84.28
1996 50.29 n 52.28 k 58.24 j 70.93 a 75.09 i 84.05 j 87.14 j 82.91 i 82.65 j 76.81 j 61.00 k 59.45 k 70.93
1997 55.10 j 60.26 i 61.14 j 66.07 a 75.55 k 82.42 k 88.32 i 86.95 j 81.75 j 73.29 j 61.41 m 54.78 m 66.07
1998 59.39 m 59.88 l 61.05 j 72.14 b 77.78 m 84.76 i 90.55 i 87.41 n 84.71 i 74.68 l 64.89 l 63.00 m 72.14
1999 64.94 n 55.60 m 61.38 j 73.44 n 74.95 l 83.10 89.53 l 88.43 j 79.75 j 71.00 s 67.37 k 58.95 k 83.10
2000 53.95 l 58.79 j 65.19 67.84 k 79.71 j 85.24 i 85.48 j 86.61 81.42 k 76.26 l 61.59 m 54.55 t 75.90
2001 49.86 j 57.11 j 55.20 k 71.79 a 75.24 j 84.81 i 87.65 k 87.52 80.42 k 77.95 j 67.25 j 64.87 p 79.65
2002 62.76 n 59.65 k 59.29 q 75.10 i 77.84 l 88.26 k 90.82 i 89.42 l 85.50 n 74.85 k 64.33 r 49.33 p 9999.00
2003 45.17 m 50.88 k 63.62 j 69.45 h 76.57 j 85.80 j 89.60 k 87.65 k 82.39 l ----- z 73.67 o 56.31 o 9999.00
2004 49.06 m 50.28 k 59.38 j 65.88 n 85.45 k 87.81 n 89.55 k 85.68 i 82.00 i 70.39 m 64.50 l 57.71 n 9999.00
2005 56.35 k 51.88 k 54.83 h 69.81 n 71.00 j 84.91 h 91.95 l 89.76 j 87.10 i 74.16 l 71.62 n 51.50 k 9999.00
2006 56.88 n 52.89 s 54.33 s 68.08 r 68.00 z 84.54 q 84.00 r 92.00 l 80.50 l 75.47 l 67.33 l 61.00 l 9999.00
2007 53.11 m 50.71 k 68.86 j 73.11 k 78.12 o ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2008 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2009 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2010 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2011 42.87 52.61 54.87 69.47 74.68 83.60 86.87 85.07 a 80.10 71.07 a 63.97 56.77 68.49
2012 52.93 a 53.10 64.73 a 65.33 73.64 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 59.03
Period of Record Statistics
MEAN 48.43 50.55 57.97 67.21 74.16 82.12 85.90 85.11 79.86 70.96 62.56 53.33 67.65
S.D. 3.96 4.18 4.25 3.42 2.61 2.81 2.54 2.15 2.22 2.39 2.64 4.43 1.12
SKEW 0.80 -0.02 -0.66 -0.09 0.60 0.28 0.57 0.39 0.10 -0.20 0.14 -0.06 -0.38
MAX 60.00 61.48 65.19 73.47 81.45 89.20 91.68 90.32 85.20 74.42 68.80 63.13 69.44
MIN 42.87 41.64 45.58 61.03 69.10 76.07 82.07 81.13 74.73 66.06 57.47 45.37 65.02
NO YRS 36 38 40 43 35 37 35 43 34 33 32 30 24