FREDERICK WFMD, MARYLAND

Monthly Average Maximum 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 83.71 78.07 63.71 58.63 47.55 66.33
1949 47.18 i 50.68 55.00 64.27 75.84 85.43 90.10 86.58 77.50 72.23 57.40 47.45 69.32
1950 53.19 43.61 50.23 62.10 73.87 83.33 85.94 86.32 74.47 69.35 56.10 40.68 64.93
1951 44.55 45.43 53.71 64.47 75.84 83.07 89.19 86.71 81.83 71.97 52.33 45.97 66.26
1952 46.03 47.48 51.52 66.00 73.81 85.77 90.29 84.32 78.83 a 64.42 54.40 42.58 65.45
1953 45.00 48.86 52.58 61.83 75.77 83.13 89.39 86.03 79.30 71.06 54.77 46.03 66.15
1954 39.58 50.61 51.39 69.17 70.10 84.60 88.13 82.29 80.73 69.23 51.27 41.87 64.91
1955 39.84 42.36 54.52 66.00 76.29 78.40 90.00 86.61 75.40 68.19 51.03 38.65 63.94
1956 38.94 45.34 49.35 62.00 72.90 82.27 82.71 82.97 73.87 65.81 53.60 50.71 63.37
1957 37.61 45.89 51.55 65.23 74.68 84.63 87.61 85.03 77.37 62.10 53.93 45.06 64.23
1958 37.94 35.11 45.19 64.03 72.32 78.10 85.48 82.52 77.33 65.90 55.10 37.77 61.40
1959 39.97 45.57 52.81 66.93 77.06 83.90 86.48 86.32 80.90 67.94 52.67 45.16 65.48
1960 41.32 41.59 40.77 69.77 70.10 81.70 83.48 85.32 76.97 65.77 56.47 36.90 62.51
1961 33.52 41.86 53.65 58.33 68.81 81.17 85.23 84.16 82.60 69.19 55.43 40.13 62.84
1962 39.10 38.21 50.23 64.77 76.48 81.87 82.84 85.61 74.03 68.84 50.80 38.42 62.60
1963 35.19 35.11 54.29 65.57 73.29 82.10 86.84 83.45 75.77 73.77 ----- z ----- z 66.54
1964 41.26 40.00 54.52 61.77 78.19 86.37 88.16 83.61 80.53 65.13 59.83 43.65 65.25
1965 39.19 47.04 ----- z 63.13 ----- z 81.53 87.52 86.03 80.97 65.29 55.13 48.74 65.46
1966 35.93 a 40.04 ----- z 59.00 73.65 84.03 90.29 87.65 74.30 64.55 54.83 40.74 64.09
1967 ----- z 38.96 ----- z 66.30 68.29 84.20 83.45 81.45 75.57 65.13 49.10 43.48 65.59
1968 35.61 40.10 58.61 66.53 69.84 81.83 85.90 87.10 80.03 66.65 52.47 40.16 63.74
1969 37.00 39.11 50.52 68.57 75.00 82.97 85.68 83.10 77.10 66.55 ----- z 37.86 i 66.56
1970 34.10 43.68 ----- z ----- z 79.06 ----- z 86.52 86.84 84.13 68.87 a 53.90 ----- z 67.14
1971 34.97 42.89 51.32 66.07 71.87 a ----- z ----- z ----- z ----- z ----- z 49.58 k 49.74 52.81
1972 ----- z ----- z 51.97 ----- z 72.29 75.26 c 84.29 c ----- z ----- z ----- z ----- z ----- z 70.95
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 46.73 t 49.14 a 65.45 65.34 a 77.38 w ----- z ----- z ----- z ----- z ----- z ----- z ----- z 59.98
Period of Record Statistics
MEAN 39.52 43.28 52.34 64.66 73.71 82.53 86.76 84.95 78.16 67.46 54.25 43.40 64.20
S.D. 4.68 4.47 4.72 2.90 2.96 2.63 2.44 1.78 2.94 2.98 2.64 4.09 1.45
SKEW 1.23 -0.07 0.29 -0.39 -0.17 -1.06 -0.09 -0.28 0.22 0.37 0.16 0.14 -0.34
MAX 53.19 50.68 65.45 69.77 79.06 86.37 90.29 87.65 84.13 73.77 59.83 50.71 66.26
MIN 33.52 35.11 40.77 58.33 68.29 75.26 82.71 81.45 73.87 62.10 49.10 36.90 61.40
NO YRS 21 24 21 23 23 22 23 23 23 23 21 21 15