FREDERICK WFMD, MARYLAND

Monthly Average Minimum 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 63.06 55.57 44.26 39.97 29.87 46.55
1949 31.86 i 31.00 34.00 39.59 a 52.23 62.00 70.03 65.65 53.43 50.55 34.70 28.42 47.42
1950 33.48 28.36 27.74 37.00 52.94 59.20 62.81 62.45 55.87 46.19 32.97 23.55 43.55
1951 25.58 25.64 32.10 40.33 49.39 60.27 65.06 61.19 55.00 46.65 30.27 25.29 43.06
1952 28.81 28.41 30.97 43.20 49.74 61.93 66.35 63.00 a 51.60 35.87 32.87 27.61 43.36
1953 27.47 a 26.96 32.65 39.50 54.74 58.67 63.29 60.16 52.23 40.45 30.23 26.97 42.78
1954 21.74 27.29 29.42 43.43 47.55 58.90 61.74 62.10 56.20 45.55 31.87 26.03 42.65
1955 22.68 22.04 32.42 43.97 51.61 55.73 67.84 67.10 55.30 42.58 30.07 20.45 42.65
1956 21.55 27.07 27.68 37.10 45.58 59.17 63.03 61.26 51.97 45.00 33.07 32.16 42.05
1957 19.68 29.36 31.58 43.97 49.71 62.67 61.19 59.19 57.60 40.32 35.50 27.52 43.19
1958 23.58 20.07 29.87 41.00 49.48 56.47 66.16 60.87 53.03 43.00 35.47 18.16 41.43
1959 19.55 22.54 28.35 41.73 52.35 58.93 65.32 66.42 57.03 47.84 30.57 27.84 43.21
1960 26.45 26.00 21.35 41.73 47.90 57.20 60.65 64.26 56.70 41.35 31.67 13.97 40.77
1961 14.52 23.68 32.48 37.10 46.97 57.23 64.19 62.74 59.13 41.94 37.33 23.39 41.73
1962 21.16 22.00 28.45 39.37 53.16 59.77 60.55 59.90 50.73 43.00 31.47 19.03 40.72
1963 15.84 16.86 33.45 39.27 47.84 58.23 61.61 59.19 50.60 42.10 ----- z ----- z 42.50
1964 24.61 24.31 32.97 41.27 51.94 60.53 65.55 59.68 54.03 41.35 37.33 28.39 43.50
1965 21.26 24.54 ----- z 39.67 ----- z 59.17 62.65 61.87 59.00 43.26 37.50 31.35 44.03
1966 23.47 a 27.75 ----- z 39.50 49.81 59.50 64.42 62.35 54.87 41.93 a 35.63 26.87 44.19
1967 ----- z 20.36 ----- z 43.23 46.55 58.70 64.52 62.94 52.37 44.55 33.50 28.87 45.56
1968 20.35 22.72 35.16 42.17 48.23 59.13 64.94 65.06 55.80 48.58 39.13 25.42 43.89
1969 23.32 26.36 29.97 44.03 51.74 60.63 65.29 61.81 56.43 43.61 ----- z 24.27 i 46.32
1970 16.87 23.54 ----- z ----- z 52.90 ----- z 63.13 61.94 56.50 48.20 a 37.47 ----- z 45.07
1971 18.65 27.61 30.03 36.67 47.13 a ----- z ----- z ----- z ----- z ----- z 31.21 k 29.83 b 31.65
1972 ----- z ----- z 32.61 ----- z 49.90 55.22 c 64.89 c ----- z ----- z ----- z ----- z ----- z 50.66
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 29.45 t 29.25 a 39.29 37.79 a 56.00 w ----- z ----- z ----- z ----- z ----- z ----- z ----- z 35.44
Period of Record Statistics
MEAN 22.41 25.15 31.07 40.55 49.97 59.06 64.14 62.36 54.83 43.83 34.22 25.76 42.57
S.D. 4.46 3.44 3.53 2.43 2.50 1.92 2.31 2.19 2.47 3.26 3.08 4.60 1.01
SKEW 0.46 -0.49 -0.42 -0.07 0.06 -0.14 0.48 0.55 -0.11 -0.05 0.25 -0.99 -0.66
MAX 33.48 31.00 39.29 44.03 54.74 62.67 70.03 67.10 59.13 50.55 39.97 32.16 43.89
MIN 14.52 16.86 21.35 36.67 45.58 55.22 60.55 59.19 50.60 35.87 30.07 13.97 40.72
NO YRS 21 24 21 23 23 22 23 23 23 23 21 21 15