MARTINSVILLE FILTER PLA, VIRGINIA

Monthly Average Temperature (Degrees Fahrenheit)

(445300)

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
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 62.61 k 54.93 a 44.50 c 38.94 46.12
1938 37.95 45.38 54.02 58.62 66.02 70.57 76.23 77.77 69.30 58.94 50.65 36.42 58.49
1939 42.63 44.80 51.85 56.35 67.27 76.88 75.35 75.34 72.32 60.30 d 45.35 41.18 59.14
1940 27.82 39.95 44.89 56.18 65.29 74.97 a 75.34 73.74 66.90 57.84 48.80 43.79 56.29
1941 38.24 35.91 42.50 61.20 68.97 73.43 77.26 76.71 73.33 d 65.45 49.02 43.71 58.81
1942 37.32 36.39 50.52 a 61.53 68.80 a 74.83 78.94 74.69 69.93 59.76 49.60 37.55 58.32
1943 40.89 42.21 46.63 55.63 69.00 78.59 b 75.90 77.26 b 66.88 56.94 f 47.80 40.65 58.31
1944 39.77 42.98 46.90 57.17 71.97 77.15 77.34 75.68 a 69.63 57.95 47.23 34.87 58.22
1945 37.85 41.80 58.85 61.33 64.13 75.07 77.39 75.48 72.68 57.39 49.81 a 34.34 58.84
1946 39.47 a 42.96 54.90 59.62 64.29 73.87 75.15 73.27 69.22 59.27 50.30 42.55 58.74
1947 40.65 a 30.55 35.92 55.10 63.79 69.00 71.34 76.50 68.57 59.19 42.43 34.45 53.96
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 73.18 65.75 51.85 48.17 38.85 55.56
1949 44.56 42.46 43.76 53.07 64.27 72.67 a 77.68 73.56 63.97 59.50 43.22 37.56 56.36
1950 45.03 38.77 40.69 53.37 65.60 71.78 73.63 72.26 66.80 60.77 43.38 34.48 55.55
1951 38.26 39.34 47.27 a 54.73 63.27 72.57 75.29 75.19 68.28 59.61 42.40 39.05 56.27
1952 42.35 40.95 45.90 56.80 64.18 76.18 77.44 73.82 65.65 51.71 45.83 37.29 56.51
1953 41.00 42.77 47.69 55.78 69.81 73.77 76.15 74.35 66.90 57.87 45.32 37.53 57.41
1954 38.90 ----- z 46.53 60.98 60.37 71.77 75.79 74.60 69.97 58.45 42.92 36.34 57.87
1955 35.61 39.57 49.55 59.17 65.55 67.15 77.77 76.63 69.13 55.97 44.28 33.69 56.17
1956 34.48 42.57 46.44 53.42 65.58 71.02 76.08 74.92 66.03 58.24 46.07 47.40 56.85
1957 37.74 44.07 46.00 59.58 66.50 73.65 74.71 72.47 69.60 52.55 47.90 40.71 57.12
1958 32.58 33.04 42.44 56.18 63.89 72.00 77.69 74.15 65.97 55.23 48.30 33.32 54.56
1959 35.38 a 41.05 44.60 57.90 68.00 71.42 75.79 76.63 67.82 ----- z 45.07 39.81 56.68
1960 38.19 37.60 34.10 58.50 61.95 71.83 74.31 75.60 68.23 57.45 46.33 32.05 54.68
1961 31.48 41.34 49.98 50.43 60.58 69.85 73.74 74.24 69.52 55.52 49.83 37.29 55.32
1962 34.11 41.20 43.74 52.58 68.29 71.02 73.27 73.16 65.00 58.08 45.47 34.45 55.03
1963 ----- z 32.62 49.52 56.92 64.15 70.57 73.85 h 72.74 64.65 56.97 47.87 31.13 54.71
1964 36.63 36.71 47.55 58.25 64.82 72.50 73.71 72.81 65.57 52.37 49.27 41.32 55.96
1965 37.32 38.57 43.21 56.58 68.44 69.57 73.94 73.73 69.03 54.55 47.62 39.81 56.03
1966 31.81 36.66 46.05 52.72 64.97 70.08 76.34 72.95 65.30 55.42 46.68 38.23 54.77
1967 40.24 36.00 49.60 58.92 60.71 70.22 73.69 72.74 63.08 54.98 43.00 41.56 55.40
1968 33.02 32.28 50.31 b 56.58 62.69 71.85 75.16 76.08 66.48 a 58.21 48.18 36.50 55.61
1969 34.66 38.18 42.27 58.38 65.66 74.15 77.66 72.68 66.53 56.97 44.65 35.79 55.63
1970 30.84 38.46 43.74 57.47 66.16 71.90 75.21 73.73 72.10 58.65 46.18 40.06 56.21
1971 34.13 37.93 43.81 ----- z 62.31 73.02 73.85 72.65 68.98 61.89 45.78 47.00 56.49
1972 39.81 36.55 46.53 56.03 62.18 68.53 74.34 73.53 68.38 ----- z 44.97 43.84 55.88
1973 36.89 36.82 51.47 54.72 61.60 73.65 74.90 74.32 71.07 58.08 50.97 a 37.95 56.87
1974 48.15 d 38.21 b 49.40 a 55.18 b 63.39 67.85 73.71 73.66 65.75 ----- z 46.30 ----- z 58.16
1975 38.63 40.70 43.56 52.15 64.97 ----- z 74.42 ----- z ----- z ----- z 49.41 a 37.90 g 51.98
1976 32.15 45.05 a 48.53 57.42 61.65 70.08 73.29 71.90 64.85 50.80 a 39.62 33.10 54.04
1977 26.15 35.09 49.53 57.07 65.65 69.23 76.85 75.34 69.22 52.29 47.22 34.76 54.87
1978 27.84 29.52 ----- z 54.30 60.71 71.12 74.74 75.77 70.70 53.94 50.32 b 38.79 55.25
1979 33.47 30.25 47.50 55.05 62.69 68.00 72.95 ----- z 66.52 g 54.67 b 48.48 a 38.18 a 51.13
1980 36.85 31.64 42.35 a 53.58 62.37 a ----- z 76.58 76.35 a 71.00 a 54.29 e 43.55 36.27 53.17
1981 30.74 37.81 b 43.18 57.14 b 59.63 75.00 a 76.24 73.07 c 65.98 h 52.81 45.83 34.18 53.24
1982 28.83 b 40.46 a 47.32 52.24 a 66.87 70.58 75.65 72.44 65.87 56.48 a 48.50 b 42.76 55.67
1983 ----- z 35.61 46.23 c ----- z 61.73 70.03 75.89 76.47 66.65 55.69 45.87 35.13 a 56.93
1984 33.21 b 41.84 43.11 52.23 61.66 72.97 73.16 74.02 64.35 63.65 44.78 45.78 a 55.90
1985 33.24 b ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 33.24
1986 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1987 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 49.65 47.38 40.90 45.98
1988 30.10 37.00 c 47.34 56.28 63.71 71.47 76.31 77.10 a ----- z 50.02 46.62 b 37.16 53.92
1989 40.47 a 39.14 48.94 55.50 61.55 73.93 75.56 72.68 67.42 57.03 48.02 29.89 55.84
1990 42.19 42.27 50.16 55.40 63.52 71.08 76.40 73.69 67.17 ----- z 48.88 ----- z 59.08
1991 ----- z 41.18 47.65 56.71 a 68.26 71.93 76.61 74.21 67.33 56.52 44.73 41.03 58.74
1992 38.85 40.33 44.50 54.02 59.37 a 67.93 75.82 70.32 67.08 53.29 45.58 37.34 54.54
1993 38.00 35.38 42.06 53.23 64.18 70.57 77.66 74.65 68.35 54.63 45.22 34.95 54.91
1994 31.08 37.61 46.53 58.10 59.48 73.23 76.31 ----- z 64.45 53.75 a 48.37 42.34 53.75
1995 37.69 36.88 48.03 55.78 63.26 70.88 77.15 76.45 66.00 56.98 42.50 34.58 55.52
1996 33.61 37.03 41.16 53.97 64.39 71.80 73.50 72.45 65.85 56.68 40.67 39.18 54.19
1997 35.37 42.39 48.35 51.42 58.61 68.27 75.26 72.16 66.20 55.52 42.68 37.10 54.44
1998 40.23 41.45 45.08 55.05 66.74 73.37 75.90 74.31 71.17 57.00 47.48 43.06 57.57
1999 39.47 40.32 43.05 57.98 63.37 70.60 77.98 75.23 65.53 54.76 49.80 39.66 56.48
2000 34.52 a 42.14 49.68 55.08 66.19 73.40 73.97 73.35 65.68 57.03 43.52 29.58 55.35
2001 34.94 41.93 42.00 57.37 63.35 72.38 72.47 75.48 64.55 54.23 49.88 42.05 55.89
2002 39.13 39.55 45.97 58.63 62.87 74.08 77.44 74.19 68.38 57.18 44.50 34.98 56.41
2003 31.90 35.41 48.45 55.05 62.02 68.63 73.87 75.39 65.68 55.02 50.68 35.29 54.78
2004 33.73 36.10 46.16 54.73 67.85 71.25 74.87 70.97 66.72 57.69 48.85 37.76 55.56
2005 38.42 39.38 42.69 54.18 59.45 70.72 76.71 75.43 h 68.43 58.15 47.43 34.26 53.62
2006 41.79 37.62 45.53 58.20 60.35 69.88 75.45 75.73 64.58 53.31 46.88 41.85 55.93
2007 39.13 33.39 51.47 53.95 63.74 71.55 72.48 78.66 68.17 60.48 46.20 42.39 56.80
2008 35.45 40.57 f 47.61 55.58 62.95 74.32 75.45 71.23 67.60 52.97 42.13 37.69 56.64
2009 32.92 37.46 44.27 54.87 64.29 72.38 72.26 76.19 66.35 53.27 48.07 32.26 54.55
2010 30.63 30.11 44.74 56.20 66.94 76.10 77.31 76.18 69.50 57.50 44.88 30.77 55.07
2011 32.82 39.73 45.39 58.03 64.68 73.82 78.10 75.50 68.52 54.71 48.18 41.77 56.77
2012 37.94 40.67 54.24 55.09 c 66.38 w ----- z ----- z ----- z ----- z ----- z ----- z ----- z 46.99
Period of Record Statistics
MEAN 36.34 38.54 46.45 56.07 64.19 71.99 75.46 74.39 67.58 56.33 46.50 37.98 56.08
S.D. 4.38 3.76 4.02 2.44 2.83 2.39 1.66 1.73 2.28 3.06 2.58 3.99 1.34
SKEW 0.02 -0.52 0.03 0.15 0.29 0.33 -0.13 0.01 0.48 0.25 -0.36 0.12 0.66
MAX 48.15 45.38 58.85 61.53 71.97 78.59 78.94 78.66 73.33 65.45 50.97 47.40 59.14
MIN 26.15 29.52 34.10 50.43 58.61 67.15 71.34 70.32 63.08 49.65 39.62 29.58 53.96
NO YRS 69 69 70 69 70 68 69 67 67 67 73 70 51