Precipitation annual maximum series (inches) Station ID: 18-3348 Station name: FREDERICK POLICE BRKS State: MD Latitude (decimal degrees): 39.4161 Longitude (decimal degrees): 77.4389 Elevation (feet): 380 Duration: 01d 4.14 1892 2.61 1893 4.56 1894 4.26 1895 2.50 1896 2.52 1897 2.06 1898 1.63 1899 1.64 1900 2.90 1901 2.04 1902 4.19 1903 2.35 1904 1.74 1905 2.75 1906 2.13 1907 3.50 1908 2.36 1909 2.10 1910 2.82 1911 3.76 1912 1.65 1913 1.68 1914 4.21 1915 4.22 1916 1.96 1917 1.99 1918 1.93 1919 2.10 1920 2.68 1921 2.46 1922 1.38 1923 3.35 1924 1.34 1925 3.61 1926 2.04 1927 3.45 1928 3.53 1929 2.01 1930 2.02 1931 2.66 1932 3.20 1933 4.01 1934 1.78 1935 1.92 1936 3.03 1937 1.65 1938 2.36 1939 2.66 1940 1.70 1941 2.87 1942 2.03 1943 1.86 1944 2.27 1945 2.77 1946 2.25 1947 2.27 1948 1.80 1949 2.10 1950 2.70 1951 2.73 1952 2.82 1953 1.42 1954 3.20 1955 2.14 1956 1.60 1957 1.80 1958 2.05 1959 1.38 1960 2.18 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 2.88 1973 2.25 1974 2.03 1975 4.07 1976 1.64 1977 2.10 1978 3.35 1979 1.90 1980 1.32 1981 2.01 1982 2.01 1983 2.30 1984 2.06 1985 1.25 1986 2.10 1987 2.73 1988 2.14 1989 2.00 1990 2.00 1991 2.35 1992 1.98 1993 1.41 1994 2.00 1995 2.46 1996 2.10 1997 2.05 1998 2.15 1999 2.67 2000 Duration: 02d -9.99 1892 -9.99 1893 2.40 1894 4.26 1895 2.60 1896 3.02 1897 2.20 1898 1.83 1899 2.20 1900 2.95 1901 2.24 1902 4.50 1903 2.43 1904 2.24 1905 2.75 1906 2.20 1907 3.53 1908 2.57 1909 2.10 1910 3.78 1911 4.79 1912 2.18 1913 2.01 1914 4.41 1915 5.12 1916 2.66 1917 2.73 1918 2.32 1919 2.64 1920 3.18 1921 2.69 1922 1.79 1923 4.53 1924 1.99 1925 3.84 1926 2.96 1927 3.45 1928 3.96 1929 2.62 1930 2.32 1931 3.90 1932 5.10 1933 4.31 1934 3.06 1935 2.20 1936 3.90 1937 2.22 1938 2.36 1939 3.62 1940 2.53 1941 3.81 1942 2.50 1943 2.81 1944 3.87 1945 3.41 1946 2.40 1947 2.10 1948 1.91 1949 2.15 1950 2.70 1951 4.16 1952 2.82 1953 1.74 1954 3.22 1955 4.04 1956 1.67 1957 1.90 1958 3.42 1959 1.64 1960 3.06 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 2.88 1973 3.35 1974 4.04 1975 4.93 1976 2.16 1977 3.08 1978 4.70 1979 1.90 1980 1.68 1981 2.21 1982 2.72 1983 2.70 1984 2.13 1985 1.64 1986 2.94 1987 5.09 1988 2.67 1989 2.14 1990 2.28 1991 3.01 1992 2.95 1993 2.18 1994 2.00 1995 3.52 1996 2.60 1997 2.48 1998 2.85 1999 2.85 2000 Duration: 04d 2.68 1894 2.39 1895 3.33 1896 3.07 1897 3.56 1898 2.35 1899 2.42 1900 4.63 1901 2.29 1902 4.60 1903 3.81 1904 2.34 1905 2.75 1906 2.68 1907 3.90 1908 2.69 1909 2.55 1910 4.55 1911 5.32 1912 2.45 1913 2.43 1914 4.46 1915 6.11 1916 3.33 1917 3.77 1918 2.96 1919 2.98 1920 3.18 1921 4.12 1922 2.31 1923 4.54 1924 2.20 1925 4.58 1926 3.38 1927 4.83 1928 4.51 1929 2.63 1930 3.20 1931 4.21 1932 5.84 1933 6.19 1934 4.92 1935 2.38 1936 4.62 1937 2.50 1938 2.97 1939 3.62 1940 2.53 1941 5.15 1942 2.79 1943 3.00 1944 4.28 1945 3.65 1946 2.92 1947 2.84 1948 2.21 1949 3.45 1950 4.26 1951 5.64 1952 2.86 1953 1.84 1954 4.22 1955 5.49 1956 2.00 1957 2.52 1958 3.42 1959 2.27 1960 3.11 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 3.01 1973 3.38 1974 6.60 1975 4.96 1976 3.33 1977 4.29 1978 4.76 1979 2.69 1980 2.93 1981 2.81 1982 3.64 1983 3.24 1984 2.53 1985 1.82 1986 3.74 1987 6.77 1988 2.90 1989 4.19 1990 2.28 1991 3.34 1992 2.95 1993 2.80 1994 2.30 1995 4.31 1996 2.84 1997 3.92 1998 3.09 1999 3.41 2000 Duration: 07d 2.79 1894 3.85 1895 3.85 1896 4.62 1897 3.91 1898 2.68 1899 2.67 1900 4.64 1901 3.18 1902 5.19 1903 5.75 1904 3.08 1905 4.13 1906 2.94 1907 4.43 1908 3.68 1909 3.32 1910 6.16 1911 5.55 1912 3.03 1913 4.11 1914 4.77 1915 6.84 1916 4.10 1917 3.99 1918 4.04 1919 3.23 1920 3.68 1921 4.92 1922 2.67 1923 4.54 1924 3.07 1925 5.49 1926 5.41 1927 5.52 1928 4.60 1929 2.63 1930 3.81 1931 4.36 1932 7.09 1933 6.60 1934 4.98 1935 3.84 1936 5.47 1937 3.35 1938 3.55 1939 5.57 1940 3.25 1941 5.41 1942 3.05 1943 3.00 1944 4.93 1945 5.60 1946 3.31 1947 3.40 1948 3.38 1949 3.66 1950 5.25 1951 5.75 1952 3.13 1953 2.58 1954 5.84 1955 6.05 1956 2.82 1957 2.74 1958 3.71 1959 2.83 1960 3.39 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 4.51 1973 3.52 1974 7.41 1975 6.45 1976 3.35 1977 4.46 1978 4.76 1979 3.10 1980 3.07 1981 3.20 1982 3.92 1983 3.40 1984 2.76 1985 2.62 1986 4.04 1987 7.39 1988 5.03 1989 4.35 1990 2.54 1991 3.82 1992 3.12 1993 3.56 1994 2.62 1995 5.13 1996 3.18 1997 4.27 1998 3.44 1999 3.95 2000 Duration: 10d 2.27 1894 4.54 1895 4.12 1896 4.92 1897 4.27 1898 3.02 1899 3.54 1900 5.40 1901 4.53 1902 5.36 1903 5.99 1904 4.59 1905 4.66 1906 3.24 1907 4.55 1908 3.68 1909 3.95 1910 6.34 1911 6.10 1912 3.05 1913 4.26 1914 5.82 1915 7.71 1916 4.78 1917 4.00 1918 5.52 1919 4.75 1920 4.98 1921 5.17 1922 2.95 1923 5.02 1924 3.29 1925 6.63 1926 5.51 1927 6.58 1928 4.60 1929 2.85 1930 3.98 1931 4.50 1932 7.76 1933 7.40 1934 5.32 1935 4.62 1936 7.63 1937 4.29 1938 3.86 1939 5.57 1940 3.25 1941 6.05 1942 3.39 1943 4.11 1944 5.22 1945 5.91 1946 3.92 1947 3.97 1948 4.02 1949 3.66 1950 5.46 1951 6.02 1952 4.25 1953 2.58 1954 5.88 1955 6.05 1956 3.45 1957 3.65 1958 3.96 1959 2.98 1960 3.71 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 5.01 1973 4.25 1974 8.10 1975 8.44 1976 3.69 1977 4.98 1978 5.84 1979 3.15 1980 3.75 1981 5.15 1982 4.81 1983 4.04 1984 3.16 1985 3.22 1986 4.52 1987 8.17 1988 6.15 1989 5.36 1990 2.83 1991 4.20 1992 5.50 1993 4.22 1994 3.17 1995 5.99 1996 4.42 1997 4.48 1998 3.70 1999 4.49 2000 Duration: 20d 2.90 1894 4.95 1895 5.99 1896 6.63 1897 6.10 1898 4.42 1899 4.60 1900 6.53 1901 6.47 1902 6.95 1903 6.67 1904 6.82 1905 6.33 1906 5.28 1907 7.70 1908 4.74 1909 4.85 1910 6.95 1911 7.84 1912 5.24 1913 5.41 1914 7.13 1915 9.74 1916 5.55 1917 6.07 1918 6.52 1919 6.31 1920 7.02 1921 6.02 1922 4.34 1923 6.49 1924 4.25 1925 7.42 1926 7.53 1927 8.51 1928 7.76 1929 4.38 1930 4.97 1931 7.95 1932 9.88 1933 9.48 1934 6.15 1935 5.73 1936 8.17 1937 6.18 1938 5.13 1939 6.21 1940 3.59 1941 8.09 1942 5.31 1943 5.19 1944 7.33 1945 9.00 1946 5.23 1947 5.23 1948 4.93 1949 5.65 1950 7.24 1951 6.99 1952 6.26 1953 4.24 1954 8.41 1955 8.90 1956 4.56 1957 5.18 1958 6.12 1959 4.55 1960 5.33 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 7.23 1973 6.65 1974 9.19 1975 9.05 1976 4.63 1977 5.93 1978 8.99 1979 5.17 1980 4.64 1981 7.52 1982 6.75 1983 5.65 1984 5.42 1985 4.53 1986 6.13 1987 9.19 1988 9.30 1989 6.28 1990 4.67 1991 5.37 1992 5.93 1993 5.73 1994 4.44 1995 8.24 1996 5.44 1997 6.50 1998 6.56 1999 6.04 2000 Duration: 30d 5.25 1894 6.34 1895 6.72 1896 7.21 1897 7.27 1898 5.96 1899 5.44 1900 8.92 1901 8.21 1902 9.68 1903 8.10 1904 8.79 1905 7.73 1906 6.33 1907 8.35 1908 6.41 1909 6.69 1910 10.22 1911 10.15 1912 6.47 1913 6.08 1914 10.12 1915 11.34 1916 6.43 1917 7.48 1918 7.77 1919 8.28 1920 7.52 1921 8.38 1922 5.68 1923 7.94 1924 6.16 1925 9.32 1926 7.53 1927 12.72 1928 8.98 1929 4.83 1930 6.37 1931 10.37 1932 10.50 1933 10.81 1934 7.09 1935 7.74 1936 10.14 1937 7.35 1938 6.25 1939 8.30 1940 5.23 1941 10.44 1942 6.72 1943 6.71 1944 9.93 1945 10.73 1946 6.44 1947 6.43 1948 5.56 1949 7.13 1950 8.54 1951 8.28 1952 8.09 1953 5.16 1954 9.25 1955 10.96 1956 6.22 1957 6.92 1958 7.40 1959 6.17 1960 6.59 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 8.28 1973 7.83 1974 11.48 1975 11.47 1976 6.84 1977 7.46 1978 11.12 1979 6.30 1980 5.70 1981 8.73 1982 8.58 1983 7.10 1984 6.26 1985 6.37 1986 6.83 1987 9.92 1988 10.65 1989 7.39 1990 5.16 1991 6.61 1992 8.17 1993 6.95 1994 5.35 1995 9.62 1996 6.72 1997 8.40 1998 9.10 1999 8.23 2000 Duration: 45d 6.09 1894 6.73 1895 8.24 1896 8.86 1897 9.16 1898 8.10 1899 7.52 1900 9.95 1901 10.45 1902 12.56 1903 9.69 1904 12.12 1905 10.40 1906 9.00 1907 9.40 1908 8.22 1909 7.35 1910 11.91 1911 12.65 1912 7.99 1913 7.22 1914 11.67 1915 13.74 1916 10.04 1917 9.18 1918 11.15 1919 9.97 1920 8.85 1921 11.19 1922 7.26 1923 9.53 1924 8.29 1925 12.95 1926 8.66 1927 15.87 1928 10.30 1929 5.65 1930 8.14 1931 13.23 1932 12.72 1933 13.04 1934 7.64 1935 8.77 1936 11.79 1937 9.13 1938 8.68 1939 11.87 1940 6.33 1941 11.27 1942 7.18 1943 8.16 1944 10.99 1945 11.88 1946 8.29 1947 9.23 1948 7.84 1949 8.91 1950 9.27 1951 11.33 1952 9.83 1953 6.87 1954 11.45 1955 12.16 1956 7.87 1957 8.82 1958 8.42 1959 7.39 1960 8.62 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 10.96 1973 8.90 1974 13.48 1975 13.42 1976 8.60 1977 9.48 1978 14.83 1979 8.37 1980 7.85 1981 9.21 1982 10.08 1983 10.87 1984 7.78 1985 8.20 1986 7.98 1987 10.61 1988 11.77 1989 10.07 1990 6.72 1991 8.23 1992 11.14 1993 8.82 1994 7.72 1995 13.76 1996 7.33 1997 11.66 1998 12.60 1999 9.27 2000 Duration: 60d 8.37 1894 8.92 1895 10.97 1896 9.56 1897 10.94 1898 9.84 1899 8.70 1900 12.51 1901 12.19 1902 16.81 1903 11.43 1904 13.93 1905 13.60 1906 10.66 1907 10.96 1908 8.53 1909 10.34 1910 16.29 1911 15.28 1912 9.14 1913 8.79 1914 14.77 1915 17.12 1916 11.28 1917 11.04 1918 12.35 1919 12.72 1920 9.96 1921 13.33 1922 9.02 1923 12.13 1924 8.70 1925 14.60 1926 10.45 1927 18.65 1928 11.88 1929 6.08 1930 9.82 1931 14.85 1932 15.28 1933 15.36 1934 9.64 1935 11.37 1936 13.61 1937 11.00 1938 9.97 1939 12.51 1940 7.14 1941 14.22 1942 8.24 1943 10.47 1944 12.85 1945 12.96 1946 10.28 1947 11.09 1948 9.90 1949 10.23 1950 11.94 1951 13.22 1952 12.80 1953 8.58 1954 14.26 1955 14.21 1956 8.48 1957 10.68 1958 9.12 1959 10.09 1960 9.96 1961 -9.99 1962 -9.99 1963 -9.99 1964 -9.99 1965 -9.99 1966 -9.99 1967 -9.99 1968 -9.99 1969 -9.99 1970 -9.99 1971 -9.99 1972 11.99 1973 9.39 1974 14.98 1975 15.13 1976 11.18 1977 11.66 1978 17.50 1979 10.09 1980 10.39 1981 9.38 1982 12.31 1983 12.37 1984 9.04 1985 10.17 1986 8.82 1987 12.15 1988 15.24 1989 10.53 1990 7.28 1991 10.68 1992 13.34 1993 10.56 1994 9.78 1995 16.26 1996 9.83 1997 15.01 1998 15.92 1999 11.65 2000