YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1897 | 0.08 | 2.50 | 1.00 | 0.06 | 0.30 | 0.25 | 0.65 | 0.45 | 0.50 | 1.30 | 0.40 | 1.40 | 2.50 | |||||||||||||
1898 | 0.24 | 0.20 | 0.30 | 0.20 | 0.18 | 1.33 | 1.08 | 0.90 | 0.16 | ----- | z | 1.20 | 0.80 | ----- | z | |||||||||||
1899 | 0.15 | 0.50 | 0.05 | 0.10 | 0.10 | 0.30 | 1.00 | 0.40 | 0.55 | 0.40 | 0.15 | 0.10 | 1.00 | |||||||||||||
1900 | 0.25 | 0.60 | a | 0.60 | 1.25 | 0.35 | 0.50 | 0.25 | 0.80 | ----- | z | ----- | z | ----- | z | 0.20 | ----- | z | ||||||||
1901 | 0.18 | 0.50 | a | 0.20 | ----- | z | 0.45 | y | ----- | z | 0.25 | w | ----- | z | 0.21 | 0.45 | x | 1.25 | 0.17 | ----- | z | |||||
1902 | 0.72 | 0.20 | 0.45 | b | 0.54 | 1.05 | 0.00 | 0.16 | 0.42 | 1.20 | 0.04 | 0.47 | 0.43 | 1.20 | b | |||||||||||
1903 | 0.30 | 0.38 | c | 0.25 | b | 1.00 | 0.50 | 0.40 | 0.36 | 1.01 | 0.50 | 0.00 | 0.00 | 0.06 | 1.01 | e | ||||||||||
1904 | 0.11 | 0.30 | 0.52 | 0.30 | 0.20 | a | 0.85 | 1.45 | 1.50 | 0.50 | 0.90 | 0.00 | 0.90 | 1.50 | a | |||||||||||
1905 | 0.80 | 0.50 | 1.40 | 1.40 | 0.30 | 1.50 | 0.40 | 0.30 | 0.60 | 0.30 | 0.90 | 0.30 | 1.50 | |||||||||||||
1906 | 0.20 | 0.30 | 2.00 | 0.75 | 0.20 | 0.00 | 1.10 | 0.70 | 0.80 | 0.50 | 0.95 | w | 0.38 | 2.00 | w | |||||||||||
1907 | 0.63 | 0.35 | 0.46 | 0.50 | b | 0.45 | 2.00 | 0.43 | 1.60 | 0.20 | 0.50 | 0.40 | 0.28 | 2.00 | b | |||||||||||
1908 | 0.40 | 0.60 | 0.60 | 0.68 | 0.50 | 0.25 | 0.35 | 0.85 | 0.80 | 0.30 | 0.25 | 0.06 | 0.85 | |||||||||||||
1909 | 0.10 | 0.25 | 0.10 | 0.12 | 0.05 | 0.02 | 0.50 | 1.30 | 1.20 | 0.00 | 0.05 | 0.20 | 1.30 | |||||||||||||
1910 | 0.10 | 0.25 | 0.50 | 1.00 | 0.00 | 0.20 | 0.60 | 0.30 | 0.30 | 0.20 | ----- | z | 0.24 | ----- | z | |||||||||||
1911 | 0.40 | 0.56 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.39 | ----- | z | |
1940 | 0.31 | 0.37 | 0.63 | 0.36 | a | 0.23 | 0.37 | 0.41 | 0.70 | 0.80 | 1.21 | 0.77 | 0.60 | a | 1.21 | b | ||||||||||
1941 | 0.31 | b | 0.40 | 1.20 | 0.51 | 0.59 | 0.50 | 0.39 | 0.35 | 1.37 | 0.85 | 0.64 | 0.40 | b | 1.37 | d | ||||||||||
1942 | 0.25 | 0.40 | 0.35 | 0.20 | 0.00 | 0.00 | 0.25 | 0.50 | 0.57 | 0.92 | 0.15 | 0.44 | a | 0.92 | a | |||||||||||
1943 | 0.39 | 0.27 | 0.48 | 0.21 | a | 0.22 | 0.15 | 0.90 | 0.58 | 0.20 | 0.80 | 0.11 | 0.23 | 0.90 | a | |||||||||||
1944 | 0.42 | 0.18 | 0.43 | 0.01 | 0.50 | 0.09 | 0.37 | 0.65 | 1.00 | 0.48 | ----- | z | ----- | z | ----- | z | ||||||||||
1945 | 0.27 | a | 0.10 | 0.23 | 0.20 | 0.07 | 0.12 | 0.74 | k | 0.65 | 0.07 | 0.89 | 0.06 | 0.36 | 0.89 | l | ||||||||||
1946 | 0.23 | a | 0.10 | 0.09 | e | 0.30 | 0.08 | 0.07 | 0.87 | 0.77 | 0.37 | 0.42 | 0.25 | 0.22 | 0.87 | f | ||||||||||
1947 | 0.16 | 0.63 | 0.08 | 0.01 | 0.86 | 0.17 | 0.70 | 1.17 | j | 0.21 | v | 0.75 | j | 0.33 | r | 0.20 | x | ----- | z | |||||||
1948 | 0.25 | 0.40 | 0.40 | a | 0.13 | 0.37 | 0.50 | 0.90 | 0.70 | 0.33 | 0.68 | 0.12 | 0.57 | 0.90 | a | |||||||||||
1949 | 0.30 | 0.15 | 0.28 | 0.22 | 0.22 | 0.83 | 0.60 | 0.72 | 0.38 | 0.49 | 0.05 | 0.21 | 0.83 | |||||||||||||
1950 | 0.23 | 0.25 | 0.38 | 0.02 | 0.05 | 0.10 | 0.52 | 0.07 | 0.39 | 0.12 | 0.43 | 0.08 | 0.52 | |||||||||||||
1951 | 0.30 | a | 0.32 | 0.10 | 0.22 | 0.28 | 0.00 | 0.31 | 0.50 | 0.57 | 0.52 | 0.32 | 0.47 | 0.57 | a | |||||||||||
1952 | 0.72 | 0.20 | 0.54 | 0.45 | 0.03 | 0.86 | 0.50 | 0.29 | 0.33 | 0.00 | 0.93 | 0.28 | 0.93 | |||||||||||||
1953 | 0.08 | 0.19 | 0.18 | 0.14 | 0.04 | 0.08 | 0.88 | 0.26 | 0.00 | 0.98 | a | 0.32 | 0.43 | 0.98 | a | |||||||||||
1954 | 0.39 | 0.27 | 1.54 | 0.22 | 0.51 | 0.03 | 0.73 | 0.18 | a | 0.52 | 0.23 | 0.03 | 0.25 | 1.54 | a | |||||||||||
1955 | 0.23 | 0.30 | 0.06 | 0.08 | 0.23 | 0.38 | 1.10 | 0.48 | 0.02 | 0.01 | 0.21 | a | 0.50 | 1.10 | a | |||||||||||
1956 | 0.60 | a | 0.44 | 0.02 | 0.18 | 0.35 | 0.19 | 0.67 | 0.38 | 0.00 | 0.56 | 0.20 | 0.25 | 0.67 | a | |||||||||||
1957 | 1.03 | 0.49 | 0.21 | 0.25 | 0.20 | 0.26 | 1.73 | 1.06 | 0.00 | 0.81 | 0.31 | 0.18 | 1.73 | |||||||||||||
1958 | 0.22 | 0.23 | 0.25 | 0.23 | 0.16 | 0.05 | 0.27 | 0.32 | 0.65 | 1.05 | 0.30 | 0.10 | 1.05 | |||||||||||||
1959 | 0.15 | 0.15 | 0.12 | 0.39 | 0.00 | 0.54 | 0.42 | 0.84 | 0.38 | 0.78 | 0.26 | 0.40 | 0.84 | |||||||||||||
1960 | 0.45 | 0.20 | 0.24 | 0.18 | 0.45 | 0.19 | 0.36 | 0.23 | 0.17 | 0.41 | 0.13 | 0.07 | 0.45 | |||||||||||||
1961 | 0.33 | 0.28 | 0.56 | 0.23 | 0.00 | 0.13 | 0.73 | 0.43 | 0.37 | 1.26 | 0.15 | 0.39 | 1.26 | |||||||||||||
1962 | 0.62 | 0.30 | 0.30 | 0.13 | 0.01 | 1.18 | 1.18 | 0.43 | 0.70 | 1.45 | 0.80 | 0.27 | 1.45 | |||||||||||||
1963 | 0.98 | 0.27 | 0.26 | 0.04 | 0.00 | 0.00 | 0.71 | 0.66 | 0.26 | 0.24 | 0.28 | 0.08 | 0.98 | |||||||||||||
1964 | 0.30 | 0.39 | 0.30 | 0.42 | 0.09 | 0.19 | 0.38 | 0.50 | 0.35 | 0.17 | 0.40 | 0.35 | 0.50 | |||||||||||||
1965 | 0.65 | 0.21 | 0.11 | 0.18 | 0.33 | 0.54 | 0.26 | ----- | z | 0.34 | 0.24 | 0.50 | 0.61 | ----- | z | |||||||||||
1966 | 0.18 | 0.20 | 0.45 | 0.16 | 0.11 | 0.21 | 0.32 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.36 | 0.37 | 0.44 | 0.34 | 0.25 | 0.38 | 0.64 | 0.62 | 0.46 | 0.56 | 0.37 | 0.35 | 1.12 | |||||||||||||
S.D. | 0.24 | 0.36 | 0.42 | 0.33 | 0.24 | 0.45 | 0.36 | 0.35 | 0.34 | 0.41 | 0.33 | 0.26 | 0.46 | |||||||||||||
SKEW | 1.22 | 4.90 | 1.99 | 1.71 | 1.33 | 1.85 | 1.04 | 1.08 | 0.88 | 0.43 | 1.24 | 1.95 | 0.98 | |||||||||||||
MAX | 1.03 | 2.50 | 2.00 | 1.40 | 1.05 | 2.00 | 1.73 | 1.60 | 1.37 | 1.45 | 1.25 | 1.40 | 2.50 | |||||||||||||
MIN | 0.08 | 0.10 | 0.02 | 0.01 | 0.00 | 0.00 | 0.16 | 0.07 | 0.00 | 0.00 | 0.00 | 0.06 | 0.45 | |||||||||||||
YRS | 42 | 42 | 41 | 40 | 40 | 40 | 38 | 37 | 38 | 36 | 35 | 39 | 29 |