Precipitation annual maximum series (inches) Station ID: 18-7700 Station name: ROCK HALL State: MD Latitude (decimal degrees): 39.1333 Longitude (decimal degrees): 76.2333 Elevation (feet): 20 Duration: 01d 2.02 1921 2.30 1922 1.80 1923 2.60 1924 3.14 1925 2.75 1926 1.65 1927 7.50 1928 3.38 1929 1.96 1930 4.42 1931 2.20 1932 4.00 1933 2.98 1934 3.50 1935 2.25 1936 2.00 1937 2.90 1938 3.30 1939 -9.99 1940 1.80 1941 2.55 1942 1.98 1943 2.85 1944 3.05 1945 2.35 1946 1.94 1947 2.53 1948 2.82 1949 2.95 1950 2.02 1951 2.60 1952 4.04 1953 1.34 1954 3.38 1955 2.98 1956 1.47 1957 2.52 1958 2.20 1959 4.24 1960 1.73 1961 1.95 1962 2.18 1963 2.69 1964 1.65 1965 3.40 1966 Duration: 02d 2.03 1921 2.40 1922 2.66 1923 3.64 1924 3.14 1925 4.10 1926 1.96 1927 8.85 1928 3.38 1929 2.03 1930 4.42 1931 3.10 1932 4.45 1933 3.65 1934 5.90 1935 2.80 1936 3.05 1937 4.07 1938 3.75 1939 -9.99 1940 2.00 1941 4.29 1942 2.23 1943 3.21 1944 4.07 1945 3.51 1946 2.35 1947 2.53 1948 3.33 1949 4.98 1950 2.54 1951 3.05 1952 4.04 1953 1.85 1954 5.78 1955 3.04 1956 2.11 1957 3.31 1958 3.40 1959 4.46 1960 1.93 1961 2.00 1962 2.67 1963 3.46 1964 1.82 1965 3.62 1966 Duration: 04d 2.03 1921 2.98 1922 2.66 1923 3.66 1924 3.59 1925 5.07 1926 1.96 1927 9.20 1928 3.38 1929 2.21 1930 5.16 1931 3.20 1932 7.05 1933 4.05 1934 7.09 1935 2.96 1936 3.75 1937 4.17 1938 4.19 1939 -9.99 1940 2.30 1941 5.64 1942 3.16 1943 3.58 1944 5.14 1945 4.20 1946 2.72 1947 4.16 1948 3.83 1949 5.76 1950 3.47 1951 4.64 1952 4.04 1953 2.22 1954 6.21 1955 3.04 1956 2.18 1957 3.40 1958 4.27 1959 5.90 1960 2.15 1961 2.11 1962 2.76 1963 4.07 1964 1.94 1965 3.90 1966 Duration: 07d 3.08 1921 3.86 1922 2.94 1923 3.66 1924 3.99 1925 5.38 1926 3.20 1927 11.95 1928 4.29 1929 2.24 1930 5.76 1931 3.60 1932 7.17 1933 4.20 1934 7.52 1935 3.97 1936 5.81 1937 6.71 1938 4.44 1939 -9.99 1940 3.20 1941 5.66 1942 3.19 1943 3.72 1944 5.48 1945 4.20 1946 2.75 1947 4.49 1948 5.26 1949 6.15 1950 5.90 1951 6.41 1952 4.10 1953 2.68 1954 8.14 1955 3.35 1956 2.90 1957 5.26 1958 5.06 1959 5.90 1960 3.76 1961 2.99 1962 3.15 1963 4.58 1964 2.68 1965 4.12 1966 Duration: 10d 3.08 1921 4.39 1922 3.50 1923 4.73 1924 4.44 1925 6.87 1926 3.87 1927 11.95 1928 4.68 1929 2.33 1930 6.17 1931 4.29 1932 7.38 1933 5.38 1934 7.87 1935 4.47 1936 5.91 1937 7.79 1938 4.75 1939 -9.99 1940 3.25 1941 5.87 1942 4.56 1943 4.10 1944 6.13 1945 5.44 1946 3.37 1947 6.03 1948 5.29 1949 6.85 1950 6.73 1951 6.42 1952 4.15 1953 2.97 1954 8.86 1955 3.60 1956 3.40 1957 5.42 1958 5.14 1959 6.25 1960 4.01 1961 3.34 1962 4.00 1963 4.58 1964 2.71 1965 5.83 1966 Duration: 20d 4.03 1921 6.66 1922 4.65 1923 6.85 1924 5.78 1925 8.10 1926 5.87 1927 13.49 1928 6.92 1929 3.69 1930 8.12 1931 6.20 1932 8.91 1933 7.80 1934 8.05 1935 6.73 1936 8.42 1937 8.58 1938 6.74 1939 -9.99 1940 5.15 1941 7.14 1942 6.16 1943 5.83 1944 11.25 1945 7.90 1946 4.63 1947 6.96 1948 6.39 1949 8.15 1950 7.71 1951 7.53 1952 5.13 1953 4.12 1954 12.79 1955 5.28 1956 5.04 1957 6.77 1958 5.58 1959 8.75 1960 5.77 1961 5.84 1962 4.72 1963 5.15 1964 3.59 1965 8.31 1966 Duration: 30d 4.40 1921 8.01 1922 6.33 1923 8.07 1924 7.84 1925 11.49 1926 6.22 1927 15.61 1928 8.31 1929 4.21 1930 8.70 1931 8.15 1932 10.23 1933 9.25 1934 9.59 1935 8.03 1936 10.26 1937 9.59 1938 7.89 1939 -9.99 1940 5.40 1941 8.82 1942 6.50 1943 7.10 1944 12.09 1945 9.60 1946 6.66 1947 8.48 1948 7.72 1949 8.94 1950 9.20 1951 10.68 1952 7.14 1953 4.80 1954 13.89 1955 6.59 1956 6.72 1957 9.46 1958 7.40 1959 9.35 1960 7.27 1961 6.49 1962 5.66 1963 5.30 1964 4.99 1965 10.17 1966 Duration: 45d 6.24 1921 10.32 1922 7.99 1923 10.08 1924 9.81 1925 13.25 1926 7.26 1927 18.11 1928 9.60 1929 5.76 1930 12.07 1931 11.87 1932 11.92 1933 13.63 1934 10.59 1935 11.18 1936 11.12 1937 11.42 1938 11.09 1939 -9.99 1940 6.55 1941 9.42 1942 8.08 1943 9.23 1944 14.60 1945 11.63 1946 9.67 1947 10.74 1948 8.63 1949 9.78 1950 10.77 1951 12.61 1952 8.26 1953 5.67 1954 14.52 1955 8.56 1956 8.33 1957 11.33 1958 8.69 1959 15.07 1960 9.23 1961 8.47 1962 7.18 1963 7.77 1964 5.95 1965 12.81 1966 Duration: 60d 6.93 1921 12.60 1922 9.04 1923 12.56 1924 10.37 1925 16.85 1926 9.21 1927 20.69 1928 11.98 1929 7.43 1930 15.46 1931 12.23 1932 14.97 1933 15.78 1934 11.90 1935 13.03 1936 12.24 1937 15.99 1938 12.26 1939 -9.99 1940 7.65 1941 10.29 1942 8.89 1943 11.48 1944 15.63 1945 12.48 1946 11.80 1947 11.76 1948 9.86 1949 12.14 1950 12.40 1951 16.08 1952 9.62 1953 7.29 1954 16.01 1955 11.09 1956 11.37 1957 13.39 1958 11.78 1959 17.11 1960 10.74 1961 10.67 1962 9.69 1963 8.53 1964 7.20 1965 13.67 1966