FREDERICK WFMD, MARYLAND

Monthly Total Precipitation (inches)

(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 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 5.32 2.09 3.11 5.34 5.39 21.25
1949 5.37 i 2.70 1.00 3.21 4.18 1.20 8.18 3.01 2.53 2.90 1.40 2.82 33.13
1950 1.89 3.49 4.28 1.88 4.59 2.59 2.86 3.58 7.16 2.44 2.96 3.43 41.15
1951 2.11 3.89 2.85 2.72 1.52 11.26 2.59 1.56 1.64 1.38 5.41 3.01 39.94
1952 4.22 1.96 4.99 10.53 4.42 2.00 2.46 9.02 3.05 1.60 5.69 2.58 52.52
1953 3.59 1.95 4.48 4.16 8.16 0.85 2.57 2.32 2.46 1.12 1.71 4.29 37.66
1954 1.10 1.41 3.00 3.24 3.48 1.45 2.73 5.59 0.99 2.85 1.78 3.48 31.10
1955 0.35 2.75 5.35 2.15 2.28 3.94 4.71 9.59 1.50 3.32 1.59 0.15 37.68
1956 2.06 4.20 3.74 2.10 2.51 2.68 8.82 1.90 4.11 3.44 2.39 2.84 40.79
1957 2.30 2.95 1.46 4.31 2.45 2.61 1.26 1.99 5.27 2.37 2.53 4.91 34.41
1958 3.69 2.36 3.57 3.98 3.34 5.22 6.34 2.77 2.63 2.69 2.45 0.90 39.94
1959 2.08 1.70 2.44 3.28 3.65 3.85 3.51 5.32 1.38 3.32 2.57 2.71 35.81
1960 2.47 3.10 1.57 2.88 4.31 4.11 3.09 4.71 2.45 1.34 1.45 1.41 32.89
1961 2.07 3.27 4.25 4.25 2.83 4.82 4.67 2.64 3.38 1.72 2.74 2.83 39.47
1962 1.98 3.57 3.36 2.98 2.92 2.52 1.66 0.23 2.00 1.94 4.25 2.51 29.92
1963 1.89 1.64 4.61 1.58 2.67 2.67 2.08 3.33 2.43 0.30 0.00 z 0.00 z 23.20
1964 1.70 3.49 2.97 5.85 0.25 1.33 4.32 2.15 2.63 1.58 2.15 3.27 31.69
1965 2.64 2.84 0.00 z 2.10 0.00 z 1.49 2.94 1.79 1.78 3.08 0.72 0.72 20.10
1966 4.33 3.89 0.00 z 3.81 3.26 1.72 2.65 1.72 10.82 2.06 1.93 2.53 38.72
1967 0.00 z 1.19 0.00 z 1.72 4.46 0.61 4.12 6.89 1.05 3.67 2.29 4.21 30.21
1968 1.79 0.31 3.68 1.75 5.63 4.59 1.03 2.25 2.77 3.08 3.34 2.49 32.71
1969 1.43 1.65 1.86 2.56 2.22 1.81 4.25 3.63 3.29 1.63 0.00 z 2.07 n 24.33
1970 0.99 3.31 0.00 z 0.00 z 2.41 0.00 z 8.33 1.92 0.77 3.73 4.11 0.00 z 25.57
1971 3.91 3.47 1.72 1.17 7.34 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 3.39 k 1.23 18.84
1972 0.00 z 0.00 z 2.37 0.00 z 5.44 11.19 1.64 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 20.64
1973 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1974 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1975 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1976 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1977 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1978 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1979 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1980 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1981 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1982 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1983 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1984 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1987 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1988 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1989 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1990 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1991 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1992 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1993 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1994 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1995 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1997 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1998 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2000 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2001 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2002 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2003 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2005 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2006 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2007 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2008 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2009 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2010 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2011 0.03 a 1.44 a 0.74 b 0.00 0.00 0.00 0.00 a 0.00 0.00 0.06 0.00 b 0.00 k 2.27
2012 0.00 r 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 2.21 2.61 3.06 3.14 3.51 3.24 3.62 3.47 2.84 2.28 2.67 2.75 37.18
S.D. 1.16 1.02 1.34 2.05 1.91 2.88 2.31 2.45 2.26 1.02 1.49 1.34 5.69
SKEW 0.25 -0.38 -0.07 2.03 0.53 1.81 0.94 1.07 2.11 -0.47 0.59 -0.04 1.13
MAX 4.33 4.20 5.35 10.53 8.16 11.26 8.82 9.59 10.82 3.73 5.69 5.39 52.52
MIN 0.03 0.31 0.74 0.00 0.00 0.00 0.00 0.00 0.00 0.06 0.00 0.15 29.92
NO YRS 22 24 21 23 24 23 24 24 24 24 22 21 15