MOUNT WEATHER, VIRGINIA

Monthly Average Maximum Temperature (Degrees Fahrenheit)

(445851)

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
1915 35.03 41.68 40.70 a 66.57 65.94 72.57 78.29 75.42 73.83 62.65 48.37 35.84 58.07
1916 45.42 38.38 41.13 54.03 67.45 71.87 77.48 78.35 72.80 63.52 53.53 39.42 58.62
1917 39.81 40.59 a 45.87 61.37 63.71 74.93 a 77.87 77.61 67.30 55.74 46.97 30.55 56.86
1918 23.42 41.79 56.61 56.27 74.52 73.83 76.81 80.48 69.53 64.84 49.73 43.71 59.29
1919 43.42 38.50 49.52 57.53 66.65 76.47 79.77 76.16 75.20 68.29 50.60 37.00 59.93
1920 33.29 35.10 50.32 55.60 64.16 74.13 76.94 75.39 72.10 68.03 49.03 40.97 57.92
1921 38.06 42.18 60.87 65.63 67.39 78.13 80.19 74.87 76.90 64.39 52.53 40.32 61.79
1922 33.94 42.36 48.26 60.20 70.61 76.33 78.19 74.58 ----- z 67.42 52.20 42.77 58.81
1923 38.10 36.00 50.77 60.03 70.58 78.67 79.26 75.48 71.47 59.97 47.80 49.23 59.78
1924 39.13 33.31 42.23 a 56.63 63.30 a 73.80 77.29 78.20 a 64.90 65.13 52.50 41.06 57.29
1925 36.23 47.85 a 52.13 62.67 66.68 82.59 a 79.74 78.77 78.60 53.77 49.97 37.87 60.57
1926 38.58 38.93 43.77 58.07 72.26 72.97 81.27 a 78.03 71.47 59.87 46.80 35.42 58.12
1927 36.52 46.07 50.45 55.17 69.00 71.83 80.32 74.26 77.40 66.45 56.20 41.35 60.42
1928 40.58 41.07 46.94 55.30 69.13 74.20 80.23 ----- z 69.30 65.06 49.20 42.19 57.56
1929 34.48 38.67 a 55.61 63.43 66.74 74.57 79.84 80.26 75.23 61.55 51.67 43.10 60.43
1930 39.19 48.75 48.68 57.40 71.29 77.77 85.19 83.10 81.83 60.52 48.20 34.71 61.39
1931 39.10 41.86 40.39 56.17 68.94 81.23 85.77 79.81 79.17 67.71 57.13 46.48 61.98
1932 46.39 48.76 43.58 58.77 67.35 78.97 82.38 r 82.74 77.67 60.16 47.80 45.87 59.82
1933 47.32 41.14 45.74 60.67 70.39 79.57 79.71 79.16 75.10 61.00 a 48.10 42.48 60.87
1934 42.45 27.54 46.16 58.77 72.65 82.57 84.35 77.71 73.53 63.42 55.67 o 40.87 p 62.91
1935 36.39 38.04 a 51.97 a 54.67 68.32 77.70 83.42 80.74 73.37 62.32 50.83 31.90 59.14
1936 29.87 33.10 57.93 a 56.83 74.52 79.13 82.16 83.58 76.90 66.00 48.47 39.94 60.70
1937 46.19 38.86 42.19 53.73 h 71.96 f 80.77 79.48 82.48 69.17 59.23 48.87 38.23 58.55
1938 36.29 45.54 53.61 62.60 ----- z 75.20 82.26 82.97 a 70.39 b 64.31 b 53.03 36.90 60.28
1939 38.10 43.36 49.35 55.00 a 72.26 81.82 b 81.10 82.58 75.93 64.55 47.10 39.94 60.92
1940 22.27 a 36.17 45.52 52.50 70.77 a 78.67 80.93 a 75.26 72.37 60.68 48.43 42.00 57.13
1941 33.65 30.68 38.74 64.20 73.42 75.03 79.23 79.19 78.47 71.83 a 55.97 44.16 60.38
1942 34.00 32.43 46.81 66.93 72.77 77.20 81.72 f 78.90 75.47 63.55 48.40 33.26 57.25
1943 37.73 a 40.00 45.71 54.71 b 72.42 83.31 a 80.68 83.52 72.57 56.52 50.90 33.39 59.29
1944 37.48 36.66 42.71 52.67 78.70 a 81.73 82.97 80.45 74.00 60.65 48.83 33.68 59.21
1945 26.83 a 36.11 58.42 64.40 65.06 77.07 b 78.71 78.84 76.07 62.55 54.13 33.74 59.33
1946 37.48 39.93 55.55 57.43 70.10 78.20 81.39 77.16 77.00 67.23 57.67 46.35 62.12
1947 43.27 a 31.68 37.38 b 59.58 f 69.19 75.00 78.90 81.87 75.13 69.52 49.55 a 38.72 b 59.11
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 77.90 a 72.93 ----- z 54.90 41.06 61.70
1949 41.90 45.75 44.87 58.63 72.03 78.97 83.35 80.26 69.70 61.90 49.41 a 41.55 b 60.69
1950 47.00 36.39 39.29 54.93 67.00 74.97 76.62 g 77.87 69.70 62.23 49.27 30.97 b 55.42
1951 37.81 37.86 46.29 56.77 70.39 76.83 83.84 82.81 76.70 69.00 a 45.67 40.65 60.38
1952 40.55 41.79 45.84 60.17 67.77 82.00 85.65 80.17 b 74.41 a 63.06 52.47 41.10 61.25
1953 43.48 46.04 50.29 56.47 71.17 a 79.17 86.32 83.58 77.57 68.16 53.53 41.94 63.14
1954 38.84 45.75 49.68 63.83 66.45 80.33 83.71 78.35 77.17 67.23 47.13 38.10 61.38
1955 37.61 42.82 50.32 62.60 71.68 74.67 87.45 ----- z 72.30 66.87 50.27 36.19 59.34
1956 35.97 43.86 49.03 ----- z ----- z ----- z 82.29 84.29 77.90 70.32 56.60 53.23 61.50
1957 37.90 47.07 49.13 64.93 74.32 80.03 82.77 81.45 75.77 59.29 52.37 44.55 62.47
1958 35.19 32.96 41.16 62.17 a 70.29 75.90 82.29 79.97 74.93 64.65 55.10 35.65 59.19
1959 38.16 45.25 51.90 66.23 75.03 79.77 81.94 84.06 77.83 66.68 50.77 43.94 63.46
1960 41.27 a 38.28 37.19 68.20 67.13 78.73 80.06 82.00 73.53 63.16 55.13 36.03 60.06
1961 32.97 42.61 51.71 56.20 66.65 78.03 80.97 80.06 77.70 64.94 51.07 38.35 60.10
1962 38.61 39.00 46.10 61.20 74.06 77.77 78.13 79.90 ----- z 64.87 47.23 35.65 58.41
1963 36.87 36.21 54.94 64.00 72.06 78.00 82.68 80.55 71.97 69.19 53.07 31.87 60.95
1964 40.68 37.48 51.77 58.90 73.74 81.33 82.45 78.23 75.87 59.77 56.03 43.71 61.66
1965 38.58 42.82 45.74 59.57 77.06 77.27 82.52 81.55 76.03 61.39 53.20 46.68 61.87
1966 32.81 ----- z 53.26 55.30 70.97 80.87 86.84 82.77 69.93 59.65 52.70 37.68 62.07
1967 44.55 37.68 49.58 64.70 65.87 79.43 78.74 77.16 70.03 59.87 46.00 41.58 59.60
1968 34.77 36.31 55.23 63.57 67.32 79.40 80.81 81.19 73.07 60.71 50.67 36.77 59.98
1969 32.74 34.14 43.29 62.17 70.48 77.90 78.71 77.42 71.33 60.55 46.60 32.90 57.35
1970 30.58 37.86 41.13 57.60 72.16 76.57 79.19 80.00 78.10 62.13 48.33 40.71 58.70
1971 31.68 37.29 43.94 58.83 65.29 77.40 79.39 76.61 71.67 63.61 48.47 48.03 58.52
1972 40.48 35.66 45.97 58.03 67.19 71.17 78.32 77.32 72.20 56.32 44.53 43.61 57.57
1973 38.65 36.75 52.00 56.00 64.48 77.90 79.61 78.94 73.60 63.68 52.83 40.26 59.56
1974 44.32 38.61 50.45 61.03 66.87 71.23 79.61 77.68 70.10 59.45 51.50 42.03 59.41
1975 41.39 40.32 44.52 53.40 70.77 75.10 78.52 80.61 66.70 63.81 54.77 38.42 59.03
1976 34.90 48.66 53.45 62.73 66.26 77.00 78.29 76.61 70.80 53.87 45.20 37.55 58.78
1977 24.68 39.82 54.39 64.60 72.61 74.60 83.13 79.94 73.43 57.29 49.57 37.42 59.29
1978 29.71 26.36 41.58 58.83 65.35 76.70 77.77 a 79.58 73.20 59.94 51.47 43.26 56.98
1979 32.42 25.96 50.97 55.77 68.45 72.90 76.19 77.13 70.03 58.52 53.00 42.00 56.95
1980 34.16 33.17 42.90 58.77 70.10 75.43 81.90 80.90 76.17 59.55 47.40 40.07 a 58.38
1981 29.06 39.50 42.68 63.70 66.23 77.03 78.03 76.45 68.97 57.42 49.00 35.74 56.98
1982 29.74 38.61 46.48 57.33 71.52 73.10 79.42 75.74 70.93 60.65 51.60 46.61 58.48
1983 34.68 38.25 47.52 54.13 66.77 76.73 82.74 83.06 75.43 60.13 50.83 33.68 58.66
1984 31.90 42.76 40.16 54.43 67.42 79.00 77.58 78.61 69.97 65.00 48.33 49.45 58.72
1985 29.13 37.86 50.84 64.00 70.45 74.67 80.16 77.23 74.83 62.35 54.20 36.81 59.38
1986 37.42 36.04 48.81 58.03 68.71 79.76 a 83.84 77.71 72.03 64.29 47.93 39.58 59.51
1987 33.87 37.54 49.84 56.13 70.03 79.87 85.06 81.52 72.03 56.55 52.80 41.48 59.73
1988 32.87 38.97 49.71 58.00 67.94 77.53 85.48 82.68 70.30 56.55 50.53 41.06 59.30
1989 42.81 39.75 46.35 57.70 65.16 77.23 78.81 76.00 71.10 63.03 50.27 28.03 58.02
1990 45.19 47.79 52.68 59.70 65.74 77.53 80.61 77.10 70.57 63.61 55.57 45.77 61.82
1991 37.42 44.82 50.68 60.80 75.84 79.43 83.19 83.35 73.93 63.23 49.80 44.87 62.28
1992 38.97 42.03 44.61 58.10 64.52 72.80 79.87 75.16 69.10 58.84 48.13 37.35 57.46
1993 39.35 35.61 40.87 ----- z 71.19 77.83 83.68 82.23 72.60 59.10 49.00 35.97 58.86
1994 29.61 37.54 45.90 65.83 65.48 80.87 80.68 76.39 70.63 60.68 56.47 44.48 59.55
1995 37.67 a 34.79 50.58 59.57 67.00 74.67 81.87 80.87 70.87 63.58 44.37 34.39 58.35
1996 35.10 36.93 41.45 59.83 65.19 76.80 76.81 76.77 69.27 60.23 42.53 42.52 56.95
1997 37.39 44.04 50.35 54.87 65.74 74.47 81.03 78.52 ----- z 60.71 45.67 40.74 57.59
1998 42.26 41.82 47.71 59.50 69.52 73.93 80.55 80.23 78.97 61.65 52.33 46.26 61.23
1999 42.32 42.07 44.16 60.60 69.16 76.80 84.65 80.42 70.24 a 59.26 56.40 42.48 60.71
2000 36.87 44.14 53.23 57.57 70.84 76.67 75.16 76.23 69.43 63.97 47.90 32.39 58.70
2001 35.03 44.54 43.52 61.67 68.45 76.47 77.03 79.74 70.73 62.23 57.33 45.35 60.17
2002 43.58 45.43 50.74 61.87 67.65 78.87 80.84 81.26 73.33 57.74 47.33 35.55 60.35
2003 30.74 32.29 49.84 58.40 63.90 73.80 80.16 f 79.84 70.00 58.19 ----- z 38.37 a 55.54
2004 32.55 35.33 e 51.91 i 58.47 73.82 i 76.00 78.90 k 77.68 72.33 59.48 53.52 e 40.52 j 58.17
2005 38.84 40.50 41.29 61.10 62.68 i 79.00 g 83.64 f 80.00 m 79.03 63.68 56.40 38.03 52.36
2006 47.52 43.89 52.26 65.87 69.06 78.23 82.81 84.61 69.60 61.13 54.23 50.94 63.35
2007 44.26 33.86 54.35 57.70 72.90 79.07 81.68 82.55 78.73 70.45 51.73 43.42 62.56
2008 ----- z 42.14 51.65 62.23 66.84 80.87 81.68 78.65 74.30 62.13 49.33 42.10 62.90
2009 33.39 44.57 49.26 62.40 68.35 77.07 78.84 82.39 72.10 60.84 55.30 38.52 60.25
2010 36.90 34.21 53.26 67.13 71.13 82.30 86.84 81.77 79.23 64.94 54.10 33.90 62.14
2011 34.97 43.50 50.93 a 62.73 71.74 79.57 86.45 82.00 71.10 60.68 57.47 46.58 62.31
2012 43.00 a 46.76 61.06 61.93 70.27 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 53.19
Period of Record Statistics
MEAN 37.14 39.49 48.09 59.67 69.25 77.28 80.98 79.48 73.34 62.42 50.92 39.98 59.81
S.D. 5.27 4.91 5.18 3.75 3.25 2.82 2.74 2.61 3.35 3.72 3.44 4.87 1.68
SKEW -0.30 -0.30 0.10 0.23 0.40 -0.11 0.38 -0.06 0.16 0.19 0.10 0.09 0.13
MAX 47.52 48.76 61.06 68.20 78.70 83.31 87.45 84.61 81.83 71.83 57.67 53.23 63.46
MIN 22.27 25.96 37.19 52.50 63.30 71.17 75.16 74.26 64.90 53.77 42.53 28.03 56.86
NO YRS 96 96 96 93 91 94 90 94 94 96 95 95 77