FREDERICK WFMD, MARYLAND

Monthly Average Temperature (Degrees Fahrenheit)

(183350)

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 ----- z ----- z ----- z ----- z ----- z 73.39 66.82 53.98 49.30 38.71 56.44
1949 39.52 i 40.84 44.50 51.97 a 64.03 73.72 80.06 76.11 65.47 61.39 46.05 37.94 58.37
1950 43.34 35.98 38.98 49.55 63.40 71.27 74.37 74.39 65.17 57.77 44.53 32.11 54.24
1951 35.06 35.54 42.90 52.40 62.61 71.67 77.13 73.95 68.42 59.31 41.30 35.63 54.66
1952 37.42 37.95 41.24 54.60 61.77 73.85 78.32 73.70 a 65.28 a 50.15 43.63 35.10 54.42
1953 36.30 a 37.91 42.61 50.67 65.26 70.90 76.34 73.10 65.77 55.76 42.50 36.50 54.47
1954 30.66 38.95 40.40 56.30 58.82 71.75 74.94 72.19 68.47 57.39 41.57 33.95 53.78
1955 31.26 32.20 43.47 54.98 63.95 67.07 78.92 76.85 65.35 55.39 40.55 29.55 53.29
1956 30.24 36.21 38.52 49.55 59.24 70.72 72.87 72.11 62.92 55.40 43.33 41.44 52.71
1957 28.65 37.62 41.56 54.60 62.19 73.65 74.40 72.11 67.48 51.21 44.72 36.29 53.71
1958 30.76 27.59 37.53 52.52 60.90 67.28 75.82 71.69 65.18 54.45 45.28 27.97 51.42
1959 29.76 34.05 40.58 54.33 64.71 71.42 75.90 76.37 68.97 57.89 41.62 36.50 54.34
1960 33.89 33.79 31.06 55.75 59.00 69.45 72.06 74.79 66.83 53.56 44.07 25.44 51.64
1961 24.02 32.77 43.06 47.72 57.89 69.20 74.71 73.45 70.87 55.56 46.38 31.76 52.28
1962 30.13 30.11 39.34 52.07 64.82 70.82 71.69 72.76 62.38 55.92 41.13 28.73 51.66
1963 25.52 25.98 43.87 52.42 60.56 70.17 74.23 71.32 63.18 57.94 ----- z ----- z 54.52
1964 32.94 32.16 43.74 51.52 65.06 73.45 76.85 71.65 67.28 53.24 48.58 36.02 54.37
1965 30.23 35.79 ----- z 51.40 ----- z 70.35 75.08 73.95 69.98 54.27 46.32 40.05 54.74
1966 29.70 a 33.89 ----- z 49.25 61.73 71.77 77.35 75.00 64.58 53.37 a 45.23 33.81 54.15
1967 ----- z 29.66 ----- z 54.77 57.42 71.45 73.98 72.19 63.97 54.84 41.30 36.18 55.58
1968 27.98 31.41 46.89 54.35 59.03 70.48 75.42 76.08 67.92 57.61 45.80 32.79 53.81
1969 30.16 32.73 40.24 56.30 63.37 71.80 75.48 72.45 66.77 55.08 ----- z 31.07 i 56.44
1970 25.48 33.61 ----- z ----- z 65.98 ----- z 74.82 74.39 70.32 58.53 a 45.68 ----- z 56.10
1971 26.81 35.25 40.68 51.37 59.50 a ----- z ----- z ----- z ----- z ----- z 40.39 k 39.41 b 42.17
1972 ----- z ----- z 42.29 ----- z 61.10 65.24 c 74.59 c ----- z ----- z ----- z ----- z ----- z 60.80
1973 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1974 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1975 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1976 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1977 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1978 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1979 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1980 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1981 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1982 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1983 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1984 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1985 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 ----- z ----- z ----- z 9999.00
1988 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1989 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1990 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1991 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1992 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1993 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1994 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1995 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1996 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1997 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1998 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1999 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2000 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2001 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2002 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2003 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2004 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2005 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2006 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2007 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2008 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2009 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2010 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2011 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
2012 38.09 t 39.20 a 52.37 51.50 b 66.69 w ----- z ----- z ----- z ----- z ----- z ----- z ----- z 47.69
Period of Record Statistics
MEAN 30.97 34.22 41.71 52.60 61.84 70.79 75.45 73.65 66.49 55.65 44.23 34.56 53.39
S.D. 4.46 3.69 4.03 2.39 2.58 2.18 2.04 1.64 2.36 2.60 2.47 4.18 1.15
SKEW 0.95 -0.33 0.04 -0.14 -0.10 -0.81 0.36 0.52 0.11 0.03 0.25 -0.47 -0.66
MAX 43.34 40.84 52.37 56.30 65.98 73.85 80.06 76.85 70.87 61.39 49.30 41.44 54.66
MIN 24.02 25.98 31.06 47.72 57.42 65.24 71.69 71.32 62.38 50.15 40.55 25.44 51.42
NO YRS 21 24 21 23 23 22 23 23 23 23 21 21 15