JOHN H KERR DAM, VIRGINIA

Monthly Average 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 52.63 a 60.34 a 67.88 a 75.40 a 79.23 a 76.32 69.40 56.03 53.52 41.60 63.24
1949 46.73 47.41 48.77 57.03 67.58 76.37 81.50 78.71 68.83 c 61.82 48.67 a 43.08 60.54
1950 49.95 42.68 45.52 56.30 67.77 74.43 77.40 76.29 69.53 62.55 48.08 36.81 58.94
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.23 41.81 43.52
1952 44.31 41.81 47.21 57.82 67.21 78.25 80.44 76.15 69.37 55.40 49.35 40.08 58.95
1953 44.11 44.12 48.87 59.02 72.40 73.98 a 79.47 77.73 69.61 b ----- z 48.80 42.08 60.02
1954 38.07 a 44.18 48.23 61.68 63.45 75.15 78.71 77.47 74.03 62.97 45.47 37.32 58.89
1955 36.98 38.91 51.29 61.48 68.34 69.69 a 80.62 a 77.69 b 70.27 58.75 a 48.02 f 35.11 59.01
1956 36.21 42.16 a 46.56 56.18 66.71 74.73 77.56 76.76 69.13 60.56 47.30 49.26 58.59
1957 37.92 43.70 47.39 61.15 68.65 76.96 g 77.66 74.42 72.02 53.84 49.20 42.10 57.09
1958 33.73 32.20 41.34 c 55.26 c 66.03 72.17 79.35 74.79 68.78 57.34 51.97 33.98 55.58
1959 36.08 40.96 47.21 58.95 69.52 74.07 77.52 77.77 68.75 60.37 47.36 a 41.47 58.34
1960 40.44 38.79 35.81 61.50 65.84 74.80 76.60 a 76.80 a 69.15 58.73 49.17 34.95 56.88
1961 33.61 42.21 50.26 53.30 63.42 71.48 77.55 76.31 73.15 57.89 50.83 39.77 57.48
1962 35.63 39.98 44.18 56.35 70.05 73.23 74.87 74.42 67.05 61.94 46.47 36.39 56.71
1963 33.82 33.14 51.16 59.08 64.82 72.50 75.97 75.42 65.62 57.74 49.08 31.29 55.80
1964 36.40 37.91 49.02 57.43 66.98 74.83 77.05 73.56 68.12 53.92 52.18 42.35 57.48
1965 37.16 38.82 44.45 54.82 71.10 71.50 b 76.42 ----- z 72.27 58.02 49.13 41.44 55.92
1966 31.90 b 37.12 47.88 a 54.82 65.29 72.57 78.89 75.31 67.42 54.87 48.23 38.37 56.06
1967 41.21 35.29 48.44 59.17 61.05 70.43 75.16 73.95 63.77 55.68 a 43.95 42.06 55.85
1968 33.08 33.57 49.27 57.50 63.11 72.60 76.62 a 78.08 a 67.92 59.32 49.02 34.66 56.23
1969 31.26 36.34 41.11 57.70 65.50 76.18 79.23 73.31 66.72 57.32 45.45 b 36.98 a 55.59
1970 32.11 39.50 44.63 57.63 69.32 76.07 78.06 76.68 c 73.98 60.16 50.52 a 41.95 b 58.38
1971 34.55 38.25 44.65 54.92 61.31 73.53 75.50 74.69 71.53 64.10 48.88 48.39 57.52
1972 41.73 37.69 48.68 55.75 63.06 69.72 76.81 76.15 70.68 56.71 48.25 44.60 57.48
1973 38.15 37.75 52.03 57.10 64.05 76.27 77.27 77.18 73.40 60.39 51.60 a 41.63 58.90
1974 46.69 41.05 51.16 59.52 66.71 71.47 77.53 76.11 67.88 57.84 ----- z 44.02 a 60.00
1975 42.24 44.12 46.81 53.40 69.44 76.08 77.00 c 79.18 69.10 61.19 53.43 40.29 59.36
1976 36.38 a 46.78 52.94 59.63 65.21 74.23 77.68 75.13 67.57 53.97 43.22 36.65 57.45
1977 26.92 39.10 c 51.19 ----- z ----- z ----- z ----- z 79.00 73.28 56.77 51.20 39.31 52.10
1978 32.16 31.38 43.81 57.10 63.56 73.65 75.82 78.24 71.98 56.65 51.83 42.71 56.57
1979 36.66 30.16 47.92 57.92 64.58 69.00 74.89 76.68 68.97 57.21 51.68 41.98 56.47
1980 38.66 34.81 43.69 58.08 66.35 71.97 79.16 80.40 74.68 57.03 46.33 39.47 57.55
1981 32.37 40.43 43.97 59.48 62.74 77.15 77.18 72.82 67.92 55.47 48.82 37.05 56.28
1982 31.40 41.70 47.35 54.60 68.29 72.52 77.98 74.79 69.13 58.82 50.43 46.15 57.76
1983 ----- z 38.30 49.65 53.63 64.08 72.52 78.06 78.87 70.63 59.73 50.27 38.76 59.50
1984 33.52 43.84 44.56 55.58 65.15 75.77 76.26 77.21 67.74 a 65.98 46.93 47.40 58.33
1985 34.40 39.80 50.00 61.08 67.39 72.87 76.61 75.45 69.95 62.73 58.12 38.84 58.94
1986 37.31 41.50 47.19 59.33 65.42 75.98 80.60 74.73 70.73 62.45 51.10 40.65 58.92
1987 35.98 37.14 45.40 53.85 67.69 75.47 80.37 78.84 72.48 52.90 51.22 43.18 57.88
1988 32.60 39.24 47.42 55.48 65.24 72.52 78.71 79.76 68.32 53.63 48.37 39.60 56.74
1989 41.89 40.73 46.05 55.35 63.32 76.75 77.56 76.06 70.95 60.08 51.32 32.19 57.69
1990 44.94 47.54 53.13 58.10 65.94 73.90 79.90 77.02 70.38 62.58 52.20 46.53 61.01
1991 40.84 44.16 51.13 59.87 71.58 75.25 80.61 77.77 71.30 60.19 48.82 45.44 60.58
1992 41.42 43.78 48.61 57.55 62.35 71.12 80.10 73.48 70.88 56.97 50.85 41.06 58.18
1993 41.76 38.89 45.50 55.68 68.68 74.87 81.79 78.94 73.90 58.40 50.57 39.81 59.07
1994 34.05 41.05 49.06 61.53 64.00 77.02 80.56 ----- z 69.27 58.03 54.07 46.18 57.71
1995 41.03 39.84 50.89 58.12 67.13 74.05 80.89 79.44 70.40 62.19 46.72 38.15 59.07
1996 37.23 40.76 44.50 58.62 66.90 76.27 78.39 75.92 71.05 60.82 44.75 43.74 58.25
1997 39.95 45.21 52.24 53.50 62.45 71.02 78.10 75.87 69.52 58.74 45.83 39.82 57.69
1998 42.29 42.43 47.61 57.07 68.13 76.07 79.39 77.44 74.67 60.32 49.87 45.08 60.03
1999 42.10 41.93 45.13 58.22 65.31 72.90 80.13 79.02 68.95 57.16 54.08 41.81 58.89
2000 36.08 42.62 51.89 56.30 69.29 76.63 75.90 76.18 69.27 59.61 46.65 32.87 57.77
2001 36.44 42.82 45.03 58.65 66.23 75.32 74.94 78.89 67.97 57.69 53.97 46.35 58.69
2002 40.60 42.43 48.52 61.05 66.16 76.90 80.69 79.05 72.37 60.73 48.02 38.06 59.55
2003 33.47 37.39 48.58 55.83 64.87 72.90 78.29 78.35 g 69.32 58.31 55.15 39.63 55.79
2004 34.87 38.05 50.71 59.12 73.71 75.75 80.03 76.58 71.82 60.98 53.25 41.92 59.73
2005 40.65 ----- z 45.74 58.55 64.34 75.55 83.34 80.85 76.10 61.89 53.02 39.27 61.75
2006 45.74 41.64 49.03 61.32 65.11 75.42 80.63 82.19 69.70 58.37 51.73 46.16 60.59
2007 43.73 36.04 51.47 57.65 67.87 76.77 79.31 83.32 74.72 66.71 50.20 45.32 61.09
2008 38.76 44.28 50.06 58.22 65.92 80.40 79.79 77.90 72.25 58.08 48.42 43.90 59.83
2009 36.82 42.30 47.73 59.77 69.66 77.23 78.92 81.74 70.78 59.34 52.52 39.34 59.68
2010 35.98 35.75 50.47 62.67 70.71 82.72 83.73 81.69 76.77 ----- z 49.88 34.24 60.42
2011 35.95 43.91 49.44 62.28 69.85 79.27 84.07 b 80.00 74.33 60.66 53.88 46.00 b 61.64
2012 43.81 b 45.17 59.13 59.22 70.59 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 51.83
Period of Record Statistics
MEAN 37.95 40.20 47.99 57.86 66.48 74.51 78.55 77.21 70.44 58.96 49.78 40.76 58.26
S.D. 4.61 3.83 3.51 2.40 2.74 2.59 2.12 2.31 2.57 2.94 2.95 4.06 1.53
SKEW 0.29 -0.47 -0.29 -0.03 0.33 0.31 0.43 0.39 0.24 0.21 0.11 -0.19 0.10
MAX 49.95 47.54 59.13 62.67 73.71 82.72 84.07 83.32 76.77 66.71 58.12 49.26 61.64
MIN 26.92 30.16 35.81 53.30 61.05 69.00 74.87 72.82 63.77 52.90 43.22 31.29 55.58
NO YRS 62 62 64 63 62 61 62 60 63 61 62 64 51