MOUNT WEATHER, VIRGINIA

Monthly Average 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 28.81 33.12 33.45 b 56.50 57.03 64.50 70.77 68.37 66.22 54.94 41.77 29.82 50.44
1916 36.10 29.74 32.47 47.13 60.39 64.52 71.11 70.65 64.15 54.48 a 44.82 32.37 a 50.66
1917 31.87 30.80 a 38.18 50.47 54.73 66.53 a 70.53 a 70.18 59.25 47.18 38.83 23.56 48.51
1918 17.69 32.29 46.03 47.73 64.71 65.32 68.56 72.34 60.30 56.68 41.85 37.03 50.88
1919 35.63 31.29 40.76 48.75 59.11 69.83 72.10 68.61 65.52 59.05 41.93 28.35 51.74
1920 24.90 27.74 40.73 46.15 56.02 65.55 68.92 68.34 64.20 58.87 41.75 34.02 49.77
1921 30.84 34.61 49.97 56.43 a 58.27 69.57 73.13 66.68 69.60 54.58 44.32 33.15 53.43
1922 26.79 34.70 a 40.15 50.63 62.77 68.53 70.53 67.10 ----- z 57.06 44.55 34.69 50.68
1923 30.90 28.29 39.45 a 49.37 59.94 69.78 70.85 67.34 64.32 51.05 40.60 40.70 a 51.05
1924 30.08 27.64 35.80 a 47.55 54.97 b 66.28 68.77 70.18 a 57.92 54.90 42.50 32.15 49.06
1925 28.42 39.30 a 41.98 52.47 56.50 73.33 a 71.26 69.61 69.70 46.65 41.45 31.81 51.87
1926 29.85 30.89 34.40 47.28 62.35 64.95 72.17 a 71.31 63.63 52.35 40.12 29.00 49.86
1927 29.16 38.12 42.74 45.60 59.92 63.68 71.60 65.65 67.83 58.37 47.52 33.48 51.97
1928 31.77 32.21 38.10 46.65 59.94 65.27 72.40 ----- z 60.68 55.00 42.40 34.90 49.03
1929 28.13 30.94 a 46.40 54.38 56.29 65.18 70.95 70.34 65.33 52.31 43.57 35.02 51.57
1930 31.58 41.04 38.82 48.25 61.27 68.72 75.03 72.63 71.57 51.03 40.42 28.65 52.42
1931 33.11 35.16 35.21 47.23 59.23 69.98 73.10 b 69.24 68.33 56.08 49.50 39.71 52.99
1932 40.23 39.12 34.27 48.97 55.29 69.02 73.27 r 73.05 67.28 52.48 39.37 38.02 50.64
1933 39.66 33.25 38.73 51.38 62.56 69.93 71.50 71.27 67.55 52.12 a 40.38 34.94 52.77
1934 33.97 20.28 a 36.89 48.43 62.56 73.42 74.39 68.92 65.28 53.77 48.00 o 34.54 s 53.79
1935 28.97 29.67 b 42.15 a 46.58 58.21 67.37 75.69 72.18 63.38 52.58 43.26 a 26.45 a 50.54
1936 24.02 24.64 48.75 a 46.97 62.95 69.33 73.37 74.68 68.20 55.94 40.95 34.06 51.99
1937 38.58 31.39 34.92 45.48 h 62.43 i 71.47 70.05 74.02 60.20 50.71 40.30 31.31 50.29
1938 29.45 37.07 43.39 51.90 ----- z 66.98 73.31 74.13 a 61.86 b 55.16 b 44.07 30.47 51.62
1939 31.37 33.96 a 39.50 44.97 a 61.39 72.20 b 72.00 73.34 66.68 54.03 39.65 34.05 b 51.93
1940 16.30 a 29.29 36.15 44.18 59.42 a 68.58 70.85 a 68.06 63.38 51.37 40.73 34.87 48.60
1941 28.05 24.56 a 30.26 53.15 61.08 64.65 70.84 69.11 66.18 60.05 a 45.58 36.60 50.84
1942 26.94 24.48 39.65 55.27 61.84 66.72 71.94 f 69.79 64.88 54.24 41.43 27.23 48.41
1943 30.88 a 30.75 36.37 44.71 b 61.68 73.03 a 71.16 73.05 62.03 a 48.35 40.80 25.68 49.88
1944 30.18 29.59 34.18 42.78 66.73 a 70.34 a 73.85 a 70.97 64.12 51.15 39.85 26.68 50.03
1945 20.18 a 29.16 48.05 51.64 b 55.37 66.37 c 70.61 69.15 67.80 b 51.29 43.26 a 27.31 50.02
1946 30.31 31.28 a 46.84 46.58 58.82 66.77 71.52 67.10 a 64.82 56.58 47.76 a 37.58 52.16
1947 33.76 d 23.21 29.83 b 47.47 j 57.90 64.91 a 70.16 73.26 65.10 58.73 40.73 b 30.98 b 49.87
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 69.38 a 62.40 ----- z 44.80 32.66 52.31
1949 34.50 36.95 36.48 48.07 60.02 69.62 b 74.65 71.63 59.77 54.71 40.79 a 33.62 b 51.73
1950 37.84 29.30 31.40 43.97 58.18 66.48 69.33 g 69.50 61.77 54.19 40.33 24.97 b 47.08
1951 30.03 29.75 37.15 47.52 59.31 67.13 72.53 69.87 63.87 56.93 a 36.07 31.65 50.15
1952 33.32 34.26 37.47 50.22 57.50 70.13 75.18 70.16 b 62.43 a 50.29 43.75 33.84 51.55
1953 34.30 a 35.82 40.27 48.07 61.42 a 67.72 73.50 71.40 64.12 54.94 43.13 34.06 52.40
1954 28.42 34.66 40.31 52.13 55.47 69.00 70.98 69.29 65.42 56.10 38.93 30.92 50.97
1955 28.48 31.98 40.00 52.00 60.47 64.08 76.48 ----- z 63.48 54.82 40.95 28.29 49.19
1956 27.39 34.53 39.10 ----- z ----- z ----- z 69.81 72.43 a 65.10 58.37 44.40 43.11 50.47
1957 28.87 38.31 a 40.95 54.37 63.08 70.40 72.87 70.44 66.60 50.65 44.57 36.27 53.11
1958 28.06 24.79 35.34 52.16 a 60.95 66.27 73.76 70.66 65.30 54.74 46.73 27.82 50.55
1959 29.30 a 35.14 41.16 55.53 64.65 69.98 72.73 74.42 68.13 57.44 41.92 37.42 53.98
1960 33.82 a 31.43 29.11 56.88 57.85 68.57 71.02 72.84 65.33 54.52 46.63 28.05 51.34
1961 25.90 34.57 a 42.84 46.37 56.55 68.20 72.53 71.87 68.92 56.42 44.55 31.69 51.70
1962 30.24 30.61 37.60 51.13 64.24 69.12 69.71 70.82 ----- z 56.32 40.25 27.94 49.82
1963 28.24 26.23 44.15 52.55 61.03 68.82 72.71 70.47 62.37 60.31 45.87 25.56 51.52
1964 32.40 a 29.64 41.74 49.02 63.61 71.05 73.48 69.44 65.48 51.18 47.90 35.15 52.51
1965 29.69 33.09 36.68 49.22 65.34 66.95 72.40 72.10 67.48 52.26 46.11 c 39.37 h 53.76
1966 25.31 ----- z 42.52 a 46.60 59.81 70.93 76.08 73.11 62.30 51.58 44.78 31.27 53.12
1967 36.37 28.81 a 40.21 52.62 b 55.32 70.00 70.79 69.32 61.27 52.13 38.72 34.82 50.87
1968 26.92 27.97 44.84 53.25 57.77 70.00 72.58 72.50 65.30 54.00 43.70 29.10 51.49
1969 24.66 27.80 34.77 52.47 61.34 69.15 71.29 69.84 63.53 51.94 39.78 26.98 49.46
1970 23.02 29.11 34.02 48.78 62.15 68.20 71.10 71.92 68.78 54.61 42.33 33.53 50.63
1971 24.39 30.04 35.00 48.28 56.34 69.20 70.85 68.84 65.28 57.53 41.43 39.47 50.55
1972 32.23 27.62 37.03 48.17 59.29 63.20 70.97 69.21 64.58 47.85 38.33 36.85 49.61
1973 31.24 28.23 43.68 48.40 56.24 70.08 71.55 71.53 65.30 55.03 44.93 32.68 51.58
1974 35.94 29.30 40.08 50.98 a 57.63 62.92 70.82 69.90 61.32 50.27 44.27 35.10 50.71
1975 32.74 32.14 35.71 44.32 62.05 67.48 70.44 71.35 59.28 55.40 47.55 31.27 50.81
1976 26.32 38.36 43.94 52.95 56.87 68.73 69.44 68.56 62.50 a 47.03 37.38 28.13 50.02
1977 17.21 31.38 45.19 54.10 63.16 66.05 74.37 72.24 65.97 50.32 43.55 30.24 51.15
1978 23.11 20.52 33.60 49.23 57.45 67.88 70.08 a 72.26 65.30 51.52 45.03 35.03 49.25
1979 24.65 19.25 42.02 48.38 59.85 64.73 69.69 69.50 62.93 51.19 46.58 35.40 49.52
1980 27.95 26.12 35.13 49.92 60.98 66.55 73.58 73.02 67.65 50.63 39.62 31.67 a 50.23
1981 22.39 31.77 35.44 53.88 57.77 69.53 70.84 68.69 61.97 49.24 42.37 29.98 49.49
1982 21.48 31.04 38.21 47.18 63.42 65.60 71.87 67.81 63.45 53.29 44.55 a 39.08 50.58
1983 29.08 31.41 40.08 46.57 57.90 68.72 73.89 74.16 65.98 52.81 43.25 27.31 50.93
1984 24.87 36.00 32.06 47.07 58.82 70.18 69.68 70.87 61.93 58.32 41.08 41.37 51.02
1985 22.83 a 30.46 41.81 54.65 61.90 66.45 71.73 69.74 66.15 54.56 47.95 29.40 51.47
1986 28.98 29.45 39.77 50.20 59.81 70.40 a 74.69 69.47 64.30 55.32 40.62 33.35 51.36
1987 27.94 30.29 41.10 47.77 61.31 71.13 76.29 72.74 65.28 48.42 45.22 35.47 51.91
1988 24.72 a 30.72 40.85 48.80 59.97 67.38 76.13 74.60 62.40 48.16 43.57 32.34 50.80
1989 35.06 31.21 38.16 48.83 57.89 69.92 72.13 69.16 64.12 55.68 42.25 21.21 50.47
1990 38.56 38.27 43.27 50.70 57.58 68.90 72.48 69.85 63.48 56.10 46.20 37.13 53.54
1991 30.35 36.11 42.44 52.20 67.00 70.95 75.13 74.24 65.25 54.77 42.48 36.73 53.97
1992 31.90 34.28 36.60 49.62 56.02 65.32 72.53 67.97 62.32 51.03 41.78 31.26 50.05
1993 32.90 27.29 34.82 ----- z 62.73 68.75 75.37 73.97 64.53 51.98 42.28 30.71 51.39
1994 22.42 30.07 37.63 55.37 56.61 71.93 73.18 69.26 63.37 52.87 47.50 38.27 51.54
1995 31.07 a 26.95 41.63 48.27 59.06 67.48 73.69 73.21 63.17 56.11 37.13 27.47 50.44
1996 26.68 29.66 33.18 49.90 57.21 69.30 69.39 69.65 62.82 52.76 36.28 35.31 49.34
1997 28.00 35.39 40.08 44.80 54.44 66.98 71.35 70.08 ----- z 52.94 39.18 32.94 48.74
1998 35.76 36.12 38.77 46.70 61.58 66.80 72.61 72.03 69.60 54.27 45.12 39.76 53.26
1999 33.11 33.93 a 35.90 50.67 60.47 68.05 b 76.19 71.45 63.45 a 52.05 49.08 35.73 52.51
2000 28.69 36.12 45.23 49.20 62.76 69.10 68.10 68.92 62.22 55.45 a 40.62 24.84 b 50.94
2001 28.94 35.41 35.48 52.19 a 59.63 68.73 69.03 72.89 62.62 a 53.85 49.08 39.24 b 52.26
2002 35.48 35.82 39.92 52.32 57.94 70.83 73.42 73.23 66.02 51.18 40.90 28.90 52.16
2003 23.35 25.96 39.71 48.73 56.94 65.93 72.33 g 72.65 63.22 50.21 ----- z 32.13 a 47.88
2004 23.74 28.25 e 43.66 i 49.98 64.25 i 67.77 71.45 k 69.93 d 65.00 52.06 45.98 e 31.62 j 50.34
2005 31.83 h 33.54 d 33.58 51.42 d 53.98 i 69.50 g 74.68 f 72.33 m 69.73 55.76 46.82 30.92 45.97
2006 38.47 34.71 42.05 54.87 59.98 69.12 74.94 75.56 62.67 52.56 46.52 42.21 54.47
2007 36.24 25.23 43.42 49.03 63.18 70.23 72.69 74.35 69.05 62.13 43.43 36.15 53.76
2008 ----- z 33.09 40.85 52.83 57.73 72.32 73.81 70.37 66.52 53.50 42.00 34.02 54.28
2009 26.08 34.39 40.06 52.72 60.60 68.30 70.55 74.31 64.43 53.00 48.25 31.45 52.01
2010 29.85 28.00 45.15 56.45 63.00 73.52 77.45 73.77 69.13 56.60 44.52 27.44 53.74
2011 27.77 34.57 40.53 a 53.45 63.06 70.92 77.34 73.13 64.95 53.42 48.95 39.23 53.94
2012 34.30 a 38.28 50.82 51.48 61.36 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.72
Period of Record Statistics
MEAN 29.50 31.37 39.19 49.95 59.80 68.32 72.28 70.94 64.64 53.70 43.02 32.67 51.29
S.D. 4.94 4.35 4.44 3.24 2.85 2.40 2.11 2.15 2.67 3.09 3.08 4.47 1.36
SKEW -0.19 -0.31 0.17 0.16 0.20 -0.08 0.41 -0.02 0.13 0.05 0.10 0.01 0.33
MAX 40.23 41.04 50.82 56.88 67.00 73.52 77.45 75.56 71.57 62.13 49.50 43.11 54.47
MIN 16.30 19.25 29.11 42.78 54.44 62.92 68.10 65.65 57.92 46.65 36.07 21.21 48.51
NO YRS 95 96 96 93 91 94 90 94 94 96 95 94 76