MOUNT WEATHER, VIRGINIA

Monthly Average Minimum 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 22.58 24.57 26.17 a 46.43 48.13 56.43 63.26 61.32 58.60 47.23 35.17 23.81 42.81
1916 26.77 21.10 23.81 40.23 53.32 57.17 64.74 62.94 55.50 45.17 a 36.10 25.13 a 42.67
1917 23.94 21.11 30.48 39.57 45.74 58.03 63.17 a 62.74 51.20 38.61 30.70 16.58 40.16
1918 11.97 22.79 35.45 39.20 54.90 56.80 60.32 64.19 51.07 48.52 33.97 30.35 42.46
1919 27.84 24.07 32.00 39.97 51.58 63.20 64.42 61.06 55.83 49.81 33.27 19.71 43.56
1920 16.52 20.38 31.13 36.70 47.87 56.97 60.90 61.29 56.30 49.71 34.47 27.06 41.61
1921 23.61 27.04 39.06 47.48 a 49.16 61.00 66.06 58.48 62.30 44.77 36.10 25.97 45.09
1922 19.65 26.96 a 32.03 41.07 54.94 60.73 62.87 59.61 ----- z 46.71 36.90 26.61 42.55
1923 23.71 20.57 28.47 a 38.70 49.29 60.90 62.45 59.19 57.17 42.13 33.40 32.60 a 42.38
1924 21.03 21.97 29.87 38.47 46.41 b 58.77 60.26 62.29 50.93 44.68 32.50 23.23 40.87
1925 20.61 30.32 31.84 42.27 46.32 64.00 62.77 60.45 60.80 39.52 32.93 25.74 43.13
1926 21.13 22.86 25.03 36.50 52.45 56.93 63.48 64.58 55.80 44.84 33.43 22.58 41.64
1927 21.81 30.18 35.03 36.03 50.84 55.53 62.87 57.03 58.27 50.29 38.83 25.61 43.53
1928 22.97 23.34 29.26 38.00 50.74 56.33 64.58 ----- z 52.07 44.94 35.60 27.61 40.49
1929 21.77 23.11 37.19 45.33 45.84 55.80 62.06 60.42 55.43 43.06 35.47 26.94 42.70
1930 23.97 33.32 28.97 39.10 51.26 59.67 64.87 62.16 61.30 41.55 32.63 22.58 43.45
1931 27.13 28.46 30.03 38.30 49.52 58.73 60.31 b 58.68 57.50 44.45 41.87 32.94 43.99
1932 34.06 29.48 24.97 39.17 43.23 59.07 64.00 o 63.35 56.90 44.81 30.93 30.16 41.47
1933 32.00 25.36 31.71 42.10 54.74 60.30 63.29 63.39 60.00 43.23 a 32.67 27.39 44.68
1934 25.48 12.44 a 27.61 38.10 52.48 64.27 64.42 60.13 57.03 44.13 37.95 k 26.50 k 44.61
1935 21.55 21.69 b 32.39 38.50 48.10 57.03 67.97 63.61 53.40 42.84 35.72 a 21.00 a 41.98
1936 18.16 16.17 39.57 a 37.10 51.39 59.53 64.58 65.77 59.50 45.87 33.43 28.19 43.27
1937 30.97 23.93 27.65 37.86 a 51.48 d 62.17 60.61 65.55 51.23 42.19 31.73 24.39 42.48
1938 22.61 28.61 33.16 41.20 ----- z 58.77 64.35 65.26 53.30 45.84 35.10 24.03 42.93
1939 24.65 24.96 a 29.65 35.00 50.52 62.40 62.90 64.10 57.43 43.52 32.20 27.21 b 42.88
1940 10.29 22.41 26.77 35.87 48.07 a 58.50 60.87 60.87 54.40 42.06 33.03 27.74 40.07
1941 22.45 18.04 a 21.77 42.10 48.74 54.27 62.45 59.03 53.90 48.06 35.20 29.03 41.25
1942 19.87 16.54 32.48 43.60 50.90 56.23 62.32 c 60.68 54.30 44.94 34.47 21.19 41.46
1943 23.74 21.50 27.03 34.40 50.94 62.33 61.65 62.58 51.62 a 40.19 30.70 17.97 40.39
1944 22.87 22.52 25.65 32.90 54.61 58.72 a 64.83 a 61.48 54.23 41.65 30.87 19.68 40.83
1945 13.29 22.21 37.68 39.11 b 45.68 55.34 a 62.52 59.45 58.64 b 40.03 32.86 a 20.87 40.64
1946 23.13 22.41 a 38.13 35.73 47.55 55.33 61.65 56.87 a 52.63 45.94 37.66 a 28.81 42.15
1947 25.18 c 14.75 23.03 37.12 d 46.61 54.90 a 61.42 64.65 55.07 47.94 32.50 b 22.90 40.50
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 60.87 a 51.87 39.84 34.70 24.26 42.31
1949 27.10 28.14 28.10 37.50 48.00 59.86 b 65.94 63.00 49.83 47.52 32.63 25.57 a 42.76
1950 28.68 22.21 23.52 33.00 49.35 58.00 62.04 g 61.13 53.83 46.16 31.40 19.20 a 38.77
1951 22.26 21.64 28.00 38.27 48.23 57.43 61.23 56.94 51.03 44.87 a 26.47 22.65 39.92
1952 26.10 26.72 29.10 40.27 47.23 58.27 64.71 60.14 b 50.45 a 37.52 35.03 26.58 41.84
1953 24.83 a 25.61 30.26 39.67 51.67 a 56.27 60.68 59.23 50.67 41.71 32.73 26.19 41.63
1954 18.00 23.57 30.94 40.43 44.48 57.67 58.26 60.23 53.67 44.97 30.73 23.74 40.56
1955 19.35 21.14 29.68 41.40 49.26 53.50 65.52 ----- z 54.67 42.77 31.63 20.39 39.03
1956 18.81 25.21 29.16 ----- z ----- z ----- z 57.32 60.60 a 52.30 46.42 32.20 33.00 39.45
1957 19.84 29.67 a 32.77 43.80 51.84 60.77 62.97 59.42 57.43 42.00 36.77 28.00 43.77
1958 20.94 16.61 29.52 42.14 a 51.61 56.63 65.23 61.35 55.67 44.84 38.37 20.00 41.91
1959 20.20 a 25.04 30.42 44.83 54.26 60.20 63.52 64.77 58.43 48.19 33.07 30.90 44.49
1960 26.37 a 24.59 21.03 45.57 48.58 58.40 61.97 63.68 57.13 45.87 38.13 20.06 42.61
1961 18.84 26.93 a 33.97 36.53 46.45 58.37 64.10 63.68 60.13 47.90 38.03 25.03 43.33
1962 21.87 22.21 29.10 41.07 54.42 60.47 61.29 61.74 ----- z 47.77 33.27 20.23 41.22
1963 19.61 16.25 33.35 41.10 50.00 59.63 62.74 60.39 52.77 51.42 38.67 19.26 42.10
1964 24.53 a 21.79 31.71 39.13 53.48 60.77 64.52 60.65 55.10 42.58 39.77 26.58 43.38
1965 20.81 23.36 27.61 38.87 53.61 56.63 62.29 62.65 58.93 43.13 38.00 c 32.35 h 44.17
1966 17.81 ----- z 31.57 a 37.90 48.65 61.00 65.32 63.45 54.67 43.52 36.87 24.87 44.15
1967 28.19 19.48 a 30.84 40.50 b 44.77 60.57 62.84 61.48 52.50 44.39 31.43 28.06 42.09
1968 19.06 19.62 34.45 42.93 48.23 60.60 64.35 63.81 57.53 47.29 36.73 21.42 43.00
1969 16.58 21.46 26.26 42.77 52.19 60.40 63.87 62.26 55.73 43.32 32.97 21.06 41.57
1970 15.45 20.36 26.90 39.97 52.13 59.83 63.00 63.84 59.47 47.10 36.33 26.35 42.56
1971 17.10 22.79 26.06 37.73 47.39 61.00 62.32 61.06 58.90 51.45 34.40 30.90 42.59
1972 23.97 19.59 28.10 38.30 51.39 55.23 63.61 61.10 56.97 39.39 32.13 30.10 41.66
1973 23.84 19.71 35.35 40.80 48.00 62.27 63.48 64.13 57.00 46.39 37.03 25.10 43.59
1974 27.55 20.00 29.71 41.00 a 48.39 54.60 62.03 62.13 52.53 41.10 37.03 28.16 42.02
1975 24.10 23.96 26.90 35.23 53.32 59.87 62.35 62.10 51.87 47.00 40.33 24.13 42.60
1976 17.74 28.07 34.42 43.17 47.48 60.47 60.58 60.52 53.86 a 40.19 29.57 18.71 41.23
1977 9.74 22.93 36.00 43.60 53.71 57.50 65.61 64.55 58.50 43.35 37.53 23.06 43.01
1978 16.52 14.68 25.61 39.63 49.55 59.07 62.23 64.94 57.40 43.10 38.60 26.81 41.51
1979 16.87 12.54 33.06 41.00 51.26 56.57 63.19 61.87 55.83 43.87 40.17 28.81 42.09
1980 21.74 19.07 27.35 41.07 51.87 57.67 65.26 65.13 59.13 41.71 31.83 23.32 42.10
1981 15.71 24.04 28.19 44.07 49.32 62.03 63.65 60.94 54.97 41.06 35.73 24.23 41.99
1982 13.23 23.46 29.94 37.03 55.32 58.10 64.32 59.87 55.97 45.94 37.76 a 31.55 42.71
1983 23.48 24.57 32.65 39.00 49.03 60.70 65.03 65.26 56.53 45.48 35.67 20.94 43.20
1984 17.84 29.24 23.97 39.70 50.23 61.37 61.77 63.13 53.90 51.65 33.83 33.29 43.33
1985 16.33 a 23.07 32.77 45.30 53.35 58.23 63.29 62.26 57.47 46.77 41.70 22.00 43.55
1986 20.55 22.86 30.74 42.37 50.90 60.43 65.55 61.23 56.57 46.35 33.30 27.13 43.16
1987 22.00 23.04 32.35 39.40 52.58 62.40 67.52 63.97 58.53 40.29 37.63 29.45 44.10
1988 16.93 a 22.48 32.00 39.60 52.00 57.23 66.77 66.52 54.50 39.77 36.60 23.61 42.34
1989 27.32 22.68 29.97 39.97 50.61 62.60 65.45 62.32 57.13 48.32 34.23 14.39 42.92
1990 31.94 28.75 33.87 41.70 49.42 60.27 64.35 62.61 56.40 48.58 36.83 28.48 45.27
1991 23.29 27.39 34.19 43.60 58.16 62.47 67.06 65.13 56.57 46.32 35.17 28.58 45.66
1992 24.84 26.52 28.58 41.13 47.52 57.83 65.19 60.77 55.53 43.23 35.43 25.16 42.65
1993 26.45 18.96 28.77 ----- z 54.26 59.67 67.06 65.71 56.47 44.87 35.57 25.45 43.93
1994 15.23 22.61 29.35 44.90 47.74 63.00 65.68 62.13 56.10 45.06 38.53 32.06 43.53
1995 24.77 19.11 32.68 36.97 51.13 60.30 65.52 65.55 55.47 48.65 29.90 20.55 42.55
1996 18.26 22.38 24.90 39.97 49.23 61.80 61.97 62.52 56.37 45.29 30.03 28.10 41.73
1997 18.61 26.75 29.81 34.73 43.13 59.50 61.68 61.65 ----- z 45.16 32.70 25.13 39.89
1998 29.26 30.43 29.84 33.90 53.65 59.67 64.68 63.84 60.23 46.90 37.90 33.26 45.30
1999 23.90 26.15 a 27.65 40.73 51.77 58.93 b 67.74 62.48 56.60 44.84 41.77 28.97 44.29
2000 20.52 28.10 37.23 40.83 54.68 61.53 61.03 61.61 55.00 46.90 a 33.33 16.76 b 43.13
2001 22.84 26.29 27.45 42.97 a 50.81 61.00 61.03 66.03 54.69 a 45.48 40.83 32.10 b 44.29
2002 27.39 26.21 29.10 42.77 48.23 62.80 66.00 65.19 58.70 44.61 34.47 22.26 43.98
2003 15.97 19.64 29.58 39.07 49.97 58.07 64.42 g 65.45 56.43 42.23 ----- z 25.90 a 40.23
2004 14.94 21.17 e 35.41 i 41.50 54.68 i 59.53 64.00 k 62.30 d 57.67 44.65 38.27 d 22.71 j 42.50
2005 24.13 h 25.33 d 25.87 42.08 d 45.27 i 60.00 g 65.72 f 64.67 m 60.43 47.84 37.23 23.81 37.51
2006 29.42 25.54 31.84 43.87 50.90 60.00 67.06 66.52 55.73 44.00 38.80 33.48 45.60
2007 28.23 16.61 32.48 40.37 53.45 61.40 63.71 66.16 59.37 53.81 35.13 28.87 44.97
2008 ----- z 24.03 30.06 43.43 48.61 63.77 65.94 62.10 58.73 44.87 34.67 25.94 45.65
2009 18.77 24.21 30.87 43.03 52.84 59.53 62.26 66.23 56.77 45.16 41.20 24.39 43.77
2010 22.81 21.79 37.03 45.77 54.87 64.73 68.06 65.77 59.03 48.26 34.93 20.97 45.34
2011 20.58 25.64 30.13 a 44.17 54.39 62.27 68.23 64.26 58.80 46.16 40.43 31.87 45.58
2012 25.60 a 29.79 40.58 41.03 52.45 t ----- z ----- z ----- z ----- z ----- z ----- z ----- z 34.25
Period of Record Statistics
MEAN 21.88 23.22 30.32 40.18 50.35 59.33 63.57 62.40 55.92 44.91 35.12 25.39 42.75
S.D. 4.80 4.06 3.93 3.08 2.98 2.47 2.18 2.27 2.79 3.08 3.12 4.26 1.38
SKEW -0.05 -0.25 0.25 -0.09 -0.09 -0.12 -0.05 -0.16 -0.18 0.12 0.11 -0.09 0.17
MAX 34.06 33.32 40.58 47.48 58.16 64.73 68.23 66.52 62.30 53.81 41.87 33.48 45.66
MIN 9.74 12.44 21.03 32.90 43.13 53.50 57.32 56.87 49.83 37.52 26.47 14.39 39.92
NO YRS 95 96 96 95 92 94 91 94 94 97 95 94 79