JOHN H KERR DAM, VIRGINIA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(444414)

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 64.90 a 73.66 a 79.60 a 87.21 a 90.50 a 88.58 81.13 68.39 65.90 52.94 75.28
1949 56.06 58.89 61.35 67.77 78.45 86.90 89.71 86.16 78.73 74.42 62.67 55.35 71.37
1950 61.10 54.11 57.65 69.67 79.52 87.10 87.77 87.87 80.60 74.68 63.57 48.71 71.03
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 56.80 53.45 55.13
1952 55.10 52.34 59.16 69.90 79.55 90.73 92.26 86.39 80.57 69.19 62.27 49.68 70.59
1953 54.68 55.43 60.90 71.77 83.52 84.41 a 91.23 90.10 83.43 b ----- z 61.47 51.97 71.72
1954 48.17 a 56.75 59.23 73.00 74.03 87.60 91.42 89.45 87.73 75.61 55.70 48.26 70.58
1955 48.06 52.04 63.48 74.33 80.32 83.21 a 91.80 a 87.38 b 79.33 70.43 a 60.04 f 46.16 70.60
1956 48.06 53.68 a 57.84 67.47 78.32 86.20 87.35 87.26 79.80 69.74 58.37 59.90 69.50
1957 47.52 54.04 57.94 72.63 79.55 87.57 g 90.03 85.94 81.13 65.45 60.90 54.06 68.11
1958 45.74 42.32 50.45 b 66.26 c 75.87 82.17 88.29 83.77 81.73 68.90 64.13 45.39 66.25
1959 47.48 52.11 60.16 70.57 81.10 87.20 87.84 89.10 81.00 71.58 58.43 52.71 69.94
1960 50.06 48.90 45.90 74.60 77.23 85.80 87.39 86.50 a 80.63 70.97 63.07 47.65 68.22
1961 45.68 53.71 61.55 64.30 75.13 81.13 87.84 86.13 84.23 72.19 63.37 49.71 68.75
1962 46.58 49.86 54.94 68.07 81.90 82.77 84.61 85.45 78.17 74.74 56.57 46.97 67.55
1963 45.65 44.43 63.90 73.63 77.45 83.63 88.68 87.94 77.60 72.39 60.70 41.03 68.09
1964 47.87 48.10 61.03 69.03 79.19 86.60 86.52 83.61 80.07 66.58 66.67 52.94 69.02
1965 49.61 49.68 55.45 66.93 83.90 81.07 86.23 ----- z 83.90 71.29 62.27 54.68 67.73
1966 42.70 a 47.75 60.63 a 65.97 76.39 84.77 92.84 85.65 80.33 69.55 61.47 48.42 68.04
1967 52.58 46.21 61.94 73.03 73.23 81.87 84.94 84.61 77.07 69.87 a 58.03 53.97 68.11
1968 44.65 46.72 62.39 71.30 74.90 84.53 87.80 a 91.33 a 84.57 73.74 61.20 46.45 69.13
1969 42.55 47.18 54.87 69.97 78.42 86.90 90.29 85.10 79.23 71.16 59.37 46.43 a 67.62
1970 42.61 50.64 55.55 70.70 81.58 88.30 88.65 87.75 c 86.50 71.84 61.55 a 54.41 b 70.01
1971 44.16 49.39 55.77 70.27 72.90 84.30 86.74 84.90 81.40 71.74 61.10 58.94 68.47
1972 52.48 48.24 60.23 67.97 72.84 80.80 86.81 87.06 81.47 68.58 60.30 53.29 68.34
1973 49.23 49.32 61.97 68.33 76.16 86.40 87.61 87.97 86.27 74.29 65.57 52.61 70.48
1974 56.42 52.32 63.48 72.77 77.61 82.80 88.52 84.90 77.27 73.26 ----- z 55.35 71.34
1975 54.68 54.57 57.35 65.23 81.00 88.10 87.32 c 92.19 79.77 74.03 66.37 51.84 71.04
1976 47.03 a 58.83 65.55 75.87 76.71 84.70 90.58 86.32 80.50 65.65 56.17 48.19 69.67
1977 37.03 53.25 64.68 ----- z ----- z ----- z ----- z 90.10 84.60 69.16 61.17 49.68 63.71
1978 41.32 42.18 54.26 69.97 75.55 86.40 87.16 89.42 83.03 70.48 63.17 54.84 68.15
1979 47.65 40.00 61.29 71.33 76.81 81.27 86.26 89.13 79.73 70.77 65.10 52.94 68.52
1980 48.32 47.07 55.81 72.07 79.10 84.40 91.06 93.55 86.97 68.23 59.33 50.74 69.72
1981 43.87 53.93 58.29 73.67 75.87 88.37 88.13 83.94 80.20 68.87 61.40 46.68 68.60
1982 41.00 52.75 59.19 68.07 81.81 82.43 87.81 85.32 80.20 70.32 62.73 56.06 68.97
1983 ----- z 49.43 61.23 64.47 76.32 84.60 90.74 91.97 84.40 71.39 62.43 49.35 71.48
1984 44.32 56.83 56.32 67.03 77.87 87.40 85.58 87.74 79.72 a 76.58 59.97 59.94 69.94
1985 43.39 50.43 64.81 76.33 80.10 85.57 86.61 86.10 82.13 74.35 67.97 49.94 70.64
1986 48.48 50.75 60.87 73.90 78.48 89.13 93.48 84.68 81.93 74.61 59.90 51.45 70.64
1987 45.90 49.43 59.13 65.50 79.48 87.27 92.65 89.87 82.43 67.23 63.47 52.55 69.58
1988 42.61 50.83 60.61 69.27 78.65 86.33 90.58 91.58 79.13 67.06 61.30 51.13 69.09
1989 53.29 50.68 56.71 68.40 76.00 87.63 88.03 84.90 81.20 72.87 62.37 41.94 68.67
1990 56.10 60.00 64.16 70.83 76.06 85.07 90.32 86.71 82.33 76.23 67.20 56.35 72.61
1991 50.74 55.68 62.48 70.93 82.13 86.77 90.42 87.32 83.00 74.03 60.43 56.84 71.73
1992 51.42 55.03 60.16 69.93 72.87 81.13 89.84 82.74 80.73 69.65 60.13 50.00 68.64
1993 50.87 50.61 55.77 67.80 79.65 86.17 92.58 90.23 84.90 70.94 61.87 49.32 70.06
1994 43.68 52.61 60.61 74.70 76.19 87.10 89.06 ----- z 81.13 71.29 65.73 57.19 69.03
1995 50.29 49.50 64.03 71.17 78.29 83.57 91.32 89.55 80.57 75.26 56.67 48.68 69.91
1996 47.29 51.07 55.29 70.03 77.42 87.27 88.00 85.45 80.93 72.23 55.50 53.48 68.66
1997 51.10 55.75 64.35 65.17 75.68 81.53 88.65 87.55 80.70 71.71 56.27 50.29 69.06
1998 52.13 52.68 57.94 68.43 78.55 86.47 90.45 88.32 86.90 74.10 63.87 55.74 71.30
1999 53.77 54.43 57.61 70.90 77.65 83.47 90.39 89.77 79.10 69.90 67.67 53.35 70.67
2000 48.06 55.62 64.74 67.27 81.29 86.70 85.32 86.35 79.00 74.90 58.67 43.97 69.32
2001 47.84 54.71 56.39 71.53 78.39 85.67 85.39 89.55 80.13 73.45 69.83 57.84 70.89
2002 52.00 56.04 60.65 74.13 78.00 89.87 92.32 90.52 82.50 69.32 57.90 47.77 70.92
2003 42.87 46.04 60.10 66.60 74.10 82.57 87.19 87.38 g 81.03 70.90 68.07 50.58 66.37
2004 45.77 48.62 63.10 70.83 84.48 85.70 90.42 86.19 81.73 70.84 64.53 53.61 70.49
2005 51.10 ----- z 56.42 70.80 75.97 86.37 94.03 91.94 89.13 72.68 66.73 49.52 73.15
2006 56.06 53.14 61.74 75.43 77.97 86.17 91.03 92.81 79.97 70.58 63.53 59.19 72.30
2007 54.55 47.43 65.71 70.47 79.65 87.97 91.19 95.65 87.97 80.03 62.77 55.45 73.24
2008 49.58 55.86 63.32 69.30 77.58 93.50 90.68 89.23 82.00 70.97 59.53 53.68 71.27
2009 46.97 54.82 58.29 72.27 80.35 87.80 89.16 91.74 80.63 70.45 62.97 49.32 70.40
2010 46.29 44.68 63.58 77.63 81.35 93.87 95.19 92.06 89.87 ----- z 63.60 43.13 71.93
2011 46.13 57.64 61.58 73.00 80.65 89.63 95.57 a 89.77 83.47 72.35 66.43 57.43 a 72.81
2012 55.07 b 56.59 71.84 70.43 81.09 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 63.48
Period of Record Statistics
MEAN 48.60 51.51 59.98 70.39 78.17 85.78 89.33 88.02 81.87 71.54 62.00 51.59 69.78
S.D. 4.68 4.28 4.06 3.08 2.71 2.82 2.51 2.79 2.85 2.80 3.40 4.32 1.47
SKEW 0.20 -0.40 -0.44 0.05 0.05 0.38 0.27 0.41 0.92 0.23 0.06 -0.20 0.27
MAX 61.10 60.00 71.84 77.63 84.48 93.87 95.57 95.65 89.87 80.03 69.83 59.94 73.24
MIN 37.03 40.00 45.90 64.30 72.84 80.80 84.61 82.74 77.07 65.45 55.50 41.03 66.25
NO YRS 62 62 64 63 62 61 62 60 63 61 62 64 51