| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1892 | 0.09 | z | 0.20 | 0.76 | 0.75 | 0.97 | 1.31 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 3.99 | ||||||
| 1893 | 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 | |
| 1894 | 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 | |
| 1895 | 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 | |
| 1896 | 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 | |
| 1897 | 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 | |
| 1898 | 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 | |
| 1899 | 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 | |
| 1900 | 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 | |
| 1901 | 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 | |
| 1902 | 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 | |
| 1903 | 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 | |
| 1904 | 0.00 | z | 0.00 | z | 0.00 | z | 0.40 | 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 | |
| 1905 | 0.00 | z | 0.70 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.70 | |||
| 1906 | 0.00 | z | 0.00 | z | 0.00 | z | 0.44 | 1.11 | 0.55 | 1.03 | 0.22 | z | 0.15 | 0.89 | 0.75 | 0.89 | 5.81 | |||||||||
| 1907 | 1.03 | 1.67 | 2.54 | g | 0.09 | 1.62 | 3.00 | a | 0.30 | 0.50 | 1.35 | 0.88 | 0.00 | z | 0.00 | z | 10.44 | |||||||||
| 1908 | 0.34 | 0.58 | 0.11 | 0.21 | 0.95 | 0.56 | 1.07 | 0.44 | 0.40 | 1.42 | 0.41 | 0.30 | 6.79 | |||||||||||||
| 1909 | 2.60 | 0.55 | 1.02 | 0.00 | 0.91 | 0.81 | 0.23 | 0.06 | 0.81 | 0.98 | 2.06 | 0.77 | 10.80 | |||||||||||||
| 1910 | 0.30 | 0.49 | 0.67 | 0.21 | 0.12 | 0.49 | 0.30 | 0.00 | 0.76 | 0.29 | 2.83 | 0.11 | 6.57 | |||||||||||||
| 1911 | 2.95 | 1.33 | 0.53 | 1.24 | 0.10 | 1.83 | 0.00 | 0.00 | z | 1.31 | 0.45 | 0.14 | 0.00 | 9.88 | ||||||||||||
| 1912 | 0.74 | 0.08 | 1.35 | 1.30 | 0.00 | z | 2.37 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.63 | 6.47 | |||||||
| 1913 | 0.89 | 0.18 | 0.07 | 0.34 | 0.00 | z | 1.95 | 2.34 | 0.79 | 0.42 | 0.11 | 1.38 | 0.80 | 9.27 | ||||||||||||
| 1914 | 1.84 | 0.30 | 0.03 | z | 1.50 | 1.36 | 2.25 | 0.69 | 0.00 | 1.59 | 2.51 | 0.51 | 0.39 | 12.94 | ||||||||||||
| 1915 | 0.60 | 2.89 | 1.51 | 1.02 | 1.72 | 0.23 | 1.56 | 0.06 | 0.08 | 0.57 | 2.54 | 2.46 | 15.24 | |||||||||||||
| 1916 | 2.46 | 1.35 | 2.21 | 1.35 | 2.83 | 1.53 | 0.42 | 0.40 | 0.61 | 0.08 | 1.67 | 1.54 | 16.45 | |||||||||||||
| 1917 | 0.26 | 4.59 | 0.57 | 1.25 | 1.02 | 0.47 | 0.00 | 0.29 | 0.69 | 0.00 | 3.83 | 0.39 | 13.36 | |||||||||||||
| 1918 | 0.28 | 1.00 | 1.13 | 0.29 | 0.50 | 0.31 | 0.24 | 0.06 | 1.77 | 0.28 | 0.72 | 0.12 | 6.70 | |||||||||||||
| 1919 | 0.52 | 0.97 | 0.11 | 0.95 | 0.05 | 0.13 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2.73 | |||||||
| 1920 | 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 | |
| 1921 | 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 | |
| 1922 | 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 | |
| 1923 | 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 | |
| 1924 | 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 | |
| 1925 | 0.00 | z | 0.00 | z | 0.00 | z | 1.24 | 1.30 | 1.10 | 2.44 | 0.00 | 0.11 | 0.97 | 0.04 | 0.12 | 7.32 | ||||||||||
| 1926 | 0.48 | 1.02 | 0.15 | 0.62 | 0.30 | 0.00 | 0.02 | 0.02 | 0.00 | 0.00 | z | 2.77 | 0.88 | 6.26 | ||||||||||||
| 1927 | 0.94 | 1.13 | 1.15 | 1.72 | 1.63 | 0.64 | 0.00 | z | 0.00 | z | 0.85 | 0.44 | 2.50 | 0.33 | 11.33 | |||||||||||
| 1928 | 0.57 | 0.36 | 1.58 | 0.48 | 0.01 | 1.00 | 0.09 | 0.27 | 0.23 | 0.13 | 0.82 | 0.81 | 6.35 | |||||||||||||
| 1929 | 0.30 | 0.14 | 0.40 | 0.95 | 0.06 | 1.45 | 0.00 | 0.02 | 0.00 | 0.37 | 0.00 | 3.97 | 7.66 | |||||||||||||
| 1930 | 0.92 | 0.44 | 0.67 | 0.68 | 0.99 | 0.17 | 0.00 | 0.18 | 1.07 | 0.12 | 0.43 | 0.21 | 5.88 | |||||||||||||
| 1931 | 0.40 | 0.27 | 0.86 | 0.16 | 0.00 | z | 1.02 | 0.00 | 0.00 | 0.68 | z | 1.29 | 0.41 | 1.59 | 6.00 | |||||||||||
| 1932 | 0.65 | 0.03 | 0.57 | 2.14 | 0.85 | 0.48 | 0.00 | 0.00 | 0.00 | 0.20 | 0.36 | 0.41 | 5.69 | |||||||||||||
| 1933 | 1.47 | 0.15 | 0.71 | 0.78 | 1.55 | 0.26 | 0.05 | 0.11 | 0.00 | z | 0.00 | z | 0.00 | z | 1.41 | 6.49 | ||||||||||
| 1934 | 0.49 | 0.76 | 0.67 | 0.58 | 0.86 | 0.79 | 0.00 | z | 0.25 | 0.00 | z | 0.59 | z | 1.10 | 0.53 | 6.03 | ||||||||||
| 1935 | 1.45 | y | 0.40 | u | 0.39 | 1.84 | 0.93 | z | 0.15 | 0.50 | 0.00 | 0.00 | 0.35 | 0.00 | z | 0.28 | 3.51 | |||||||||
| 1936 | 2.62 | 1.40 | 0.40 | 0.63 | 0.75 | 0.87 | 0.12 | 0.24 | 0.38 | 0.00 | 0.00 | 0.81 | 8.22 | |||||||||||||
| 1937 | 0.44 | 1.12 | 0.98 | 1.21 | 0.23 | 1.58 | 1.00 | 0.41 | 0.42 | 0.34 | 1.79 | 2.46 | 11.98 | |||||||||||||
| 1938 | 0.61 | 1.69 | 1.18 | 0.30 | 0.57 | 0.75 | 0.45 | 0.09 | 0.33 | 1.18 | 0.62 | 0.00 | 7.77 | |||||||||||||
| 1939 | 0.94 | 0.20 | 0.67 | 0.00 | z | 0.00 | z | 0.22 | 0.10 | 0.07 | 0.85 | 0.85 | 0.00 | 2.35 | 6.25 | |||||||||||
| 1940 | 1.45 | 2.55 | 1.96 | 0.26 | 0.31 | 0.66 | 0.23 | 0.00 | 1.92 | 0.87 | 0.70 | 0.45 | 11.36 | |||||||||||||
| 1941 | 1.09 | 1.38 | 0.33 | 0.36 | 1.04 | 1.84 | 1.15 | 0.96 | 0.86 | 0.00 | z | 0.83 | 2.40 | 12.24 | ||||||||||||
| 1942 | 0.71 | 0.00 | z | 0.11 | 0.68 | 1.14 | 0.45 | 0.00 | 0.12 | 1.12 | 0.12 | 2.74 | 1.29 | 8.48 | ||||||||||||
| 1943 | 3.00 | 0.64 | 0.54 | 0.91 | 0.82 | 1.10 | 0.00 | 0.00 | 0.17 | 1.25 | 0.17 | 0.39 | 8.99 | |||||||||||||
| 1944 | 0.61 | 0.70 | 0.79 | 0.67 | 0.63 | 4.00 | 1.30 | 0.19 | 0.56 | 0.64 | 1.34 | 0.22 | 11.65 | |||||||||||||
| 1945 | 0.16 | 1.23 | 0.13 | 0.49 | 2.38 | 1.02 | 0.00 | 0.00 | 0.12 | 1.07 | 0.69 | 1.19 | 8.48 | |||||||||||||
| 1946 | 0.75 | 0.81 | 1.59 | 0.00 | 0.25 | 0.48 | 0.56 | 2.10 | 0.31 | 0.48 | 2.07 | 0.22 | 9.62 | |||||||||||||
| 1947 | 0.11 | 1.55 | 1.29 | 0.42 | 0.64 | 1.38 | 0.00 | 0.00 | 0.00 | 1.10 | 0.36 | 0.09 | 6.94 | |||||||||||||
| 1948 | 1.51 | 0.54 | 0.94 | 1.00 | 3.76 | 3.23 | 0.00 | 0.00 | z | 0.89 | 0.00 | 1.61 | 0.65 | 14.13 | ||||||||||||
| 1949 | 0.10 | 0.71 | 0.62 | 0.06 | 4.97 | 0.00 | d | 0.00 | 0.00 | 0.08 | a | 0.12 | 0.34 | 0.20 | 7.20 | |||||||||||
| 1950 | 0.83 | y | 0.58 | 0.35 | r | 0.22 | 0.47 | 2.68 | 0.00 | 0.00 | 0.09 | 2.80 | 0.97 | 1.27 | 9.08 | |||||||||||
| 1951 | 0.63 | 0.55 | b | 0.00 | z | 0.28 | 0.85 | 0.00 | 0.00 | 0.15 | 0.00 | 0.62 | 1.22 | 3.62 | 7.92 | |||||||||||
| 1952 | 0.75 | 0.89 | 0.62 | 0.35 | 0.74 | 3.18 | 1.05 | 0.20 | 0.53 | 0.00 | 0.35 | 1.11 | w | 8.66 | ||||||||||||
| 1953 | 4.54 | 0.76 | 1.53 | 0.12 | 2.30 | 0.86 | 0.00 | 0.88 | 0.08 | 0.72 | 1.50 | 0.34 | 13.63 | |||||||||||||
| 1954 | 1.30 | c | 0.65 | 2.04 | 0.42 | 0.35 | 2.58 | 0.00 | 0.06 | 0.14 | 0.12 | 1.56 | 0.31 | a | 9.53 | |||||||||||
| 1955 | 0.47 | 0.16 | 0.52 | 1.77 | 0.74 | 0.81 | 0.46 | 0.09 | 0.53 | 0.20 | 1.41 | 7.67 | 14.83 | |||||||||||||
| 1956 | 2.64 | 1.73 | 0.10 | 1.32 | 1.42 | 1.18 | 1.50 | 0.31 | 0.00 | 2.55 | 0.00 | 0.24 | 12.99 | |||||||||||||
| 1957 | 0.50 | 1.52 | 1.68 | 0.81 | 3.39 | 0.27 | 0.72 | 0.00 | 0.81 | 2.12 | 0.38 | 1.23 | 13.43 | |||||||||||||
| 1958 | 1.42 | 1.45 | 0.78 | 0.81 | 2.59 | 1.66 | 1.25 | 0.59 | 0.76 | 0.25 | 0.49 | 0.54 | 12.59 | |||||||||||||
| 1959 | 1.27 | 0.68 | c | 0.40 | 0.77 | 0.52 | 0.23 | 0.03 | 0.24 | 0.74 | 0.30 | 0.06 | 0.45 | 5.69 | ||||||||||||
| 1960 | 1.30 | 1.64 | 1.44 | 0.68 | 1.18 | 0.00 | 0.20 | 0.01 | 0.21 | 0.39 | 1.90 | 0.48 | 9.43 | |||||||||||||
| 1961 | 0.49 | 0.77 | 0.64 | 0.16 | 1.37 | 1.09 | 0.42 | 1.06 | 0.84 | 0.83 | 1.30 | 1.22 | 10.19 | |||||||||||||
| 1962 | 0.71 | 1.99 | 0.62 | 0.43 | 1.91 | 0.04 | a | 0.00 | 0.40 | 0.39 | 5.80 | 1.41 | 1.20 | 14.90 | ||||||||||||
| 1963 | 1.28 | 1.28 | 1.14 | 1.45 | 1.87 | 1.91 | 0.42 | 0.24 | 0.34 | 0.15 | m | 1.36 | 0.32 | 11.61 | ||||||||||||
| 1964 | 2.52 | 0.01 | 0.53 | 0.28 | 0.56 | 3.27 | 0.32 | 0.18 | 0.08 | 0.13 | 0.56 | 7.32 | 15.76 | |||||||||||||
| 1965 | 2.70 | 0.00 | 0.02 | 0.81 | 0.42 | 2.89 | 0.21 | 1.33 | 0.08 | 0.16 | 0.57 | 0.98 | 10.17 | |||||||||||||
| 1966 | 0.62 | 0.31 | 0.54 | 0.28 | 1.01 | 1.39 | 0.78 | 1.17 | 0.70 | 0.10 | 2.38 | 2.38 | 11.66 | |||||||||||||
| 1967 | 0.76 | 0.27 | 1.50 | 0.89 | 1.23 | b | 0.83 | 0.08 | 0.14 | 0.08 | 0.98 | 0.07 | a | 0.66 | 7.49 | |||||||||||
| 1968 | 1.88 | 0.69 | 0.56 | 0.66 | 0.61 | 0.13 | 0.05 | 1.52 | 0.03 | 0.86 | 0.78 | 1.11 | a | 8.88 | ||||||||||||
| 1969 | 2.77 | 0.64 | 0.38 | 0.45 | 0.37 | 3.09 | 0.00 | 0.00 | 0.47 | 0.65 | 0.59 | 2.56 | 11.97 | |||||||||||||
| 1970 | 3.22 | 0.66 | 0.82 | 0.28 | 0.14 | 0.60 | 0.06 | 0.00 | 0.05 | 0.87 | 2.40 | 1.40 | 10.50 | |||||||||||||
| 1971 | 0.53 | 0.11 | 1.75 | 0.71 | 1.79 | 0.94 | 0.51 | 0.00 | 0.75 | 0.70 | 0.47 | 1.07 | 9.33 | |||||||||||||
| 1972 | 1.21 | 0.63 | 0.13 | 0.54 | 0.46 | 0.26 | 0.04 | 0.04 | 0.09 | 2.01 | 0.30 | 0.68 | 6.39 | |||||||||||||
| 1973 | 1.22 | 0.39 | 0.19 | 0.17 | 1.41 | 0.00 | 0.56 | 0.20 | 0.33 | 0.60 | 2.89 | 1.13 | 9.09 | |||||||||||||
| 1974 | 2.27 | 0.35 | 3.10 | 0.05 | 0.82 | 0.01 | 0.68 | 0.01 | 0.00 | 0.08 | 0.45 | 0.72 | 8.54 | |||||||||||||
| 1975 | 0.33 | 1.45 | 0.94 | 1.10 | 0.17 | 1.65 | 0.98 | 0.02 | 0.00 | 1.48 | 0.48 | 0.38 | 8.98 | |||||||||||||
| 1976 | 0.09 | 1.99 | 0.61 | 0.21 | 0.17 | 0.64 | 0.80 | 2.41 | 1.63 | 0.37 | 0.03 | 0.15 | 9.10 | |||||||||||||
| 1977 | 0.31 | 0.34 | 0.13 | 0.00 | 1.73 | 1.21 | 0.32 | 0.52 | 1.61 | 0.18 | 1.26 | 2.26 | 9.87 | |||||||||||||
| 1978 | 1.26 | 0.64 | 1.14 | 1.88 | 0.62 | 1.39 | 0.06 | 0.46 | 0.48 | 0.02 | 0.75 | 0.18 | 8.88 | |||||||||||||
| 1979 | 1.28 | 1.59 | 0.65 | 0.65 | 0.94 | 0.26 | 0.00 | 1.07 | 0.30 | 1.76 | 0.83 | 0.99 | 10.32 | |||||||||||||
| 1980 | 2.59 | 1.77 | 0.48 | 0.72 | 1.05 | 1.61 | 0.35 | 0.02 | 0.58 | 0.62 | 0.73 | 2.65 | 13.17 | |||||||||||||
| 1981 | 1.14 | 0.80 | 0.88 | 1.27 | 1.18 | 0.65 | 0.21 | 0.07 | 0.23 | 1.28 | 4.32 | 3.79 | 15.82 | |||||||||||||
| 1982 | 4.43 | 1.38 | 1.57 | 0.82 | 1.51 | 1.71 | 0.45 | 1.22 | 0.31 | 0.89 | 1.35 | 2.82 | 18.46 | |||||||||||||
| 1983 | 0.69 | 1.91 | 2.98 | 1.13 | 0.61 | 1.82 | 0.40 | 1.83 | 0.43 | 0.62 | 2.23 | 3.63 | a | 18.28 | ||||||||||||
| 1984 | 0.12 | a | 0.85 | 1.31 | 1.49 | 0.35 | 0.62 | 0.44 | 3.13 | 0.40 | 0.82 | a | 2.92 | 0.46 | 12.91 | |||||||||||
| 1985 | 0.29 | 0.52 | 1.13 | 0.37 | 0.48 | 0.49 | 0.16 | 0.13 | 2.33 | 0.25 | 0.51 | 0.55 | 7.21 | |||||||||||||
| 1986 | 2.09 | 2.93 | 1.77 | 0.78 | 1.63 | 0.47 | 0.12 | 0.00 | 1.38 | 0.27 | 0.37 | 0.24 | 12.05 | |||||||||||||
| 1987 | 0.85 | 0.36 | 0.63 | 0.57 | 1.82 | 2.05 | 3.21 | 0.18 | 0.00 | 0.04 | 0.34 | 2.54 | 12.59 | |||||||||||||
| 1988 | 1.03 | c | 0.24 | 0.09 | 3.27 | 0.41 | 0.94 | a | 0.10 | 0.80 | 0.28 | 0.00 | 2.96 | d | 0.41 | 10.53 | ||||||||||
| 1989 | 0.46 | 0.17 | b | 1.60 | 0.34 | 0.91 | 0.15 | 0.00 | 0.64 | 0.66 | 0.25 | 0.30 | 0.39 | 5.87 | ||||||||||||
| 1990 | 2.90 | b | 0.11 | 1.38 | 0.76 | 1.22 | 0.24 | 0.12 | 0.34 | 0.11 | 0.33 | 0.38 | 0.00 | z | 7.89 | |||||||||||
| 1991 | 0.13 | b | 0.32 | c | 2.11 | d | 1.19 | a | 1.62 | c | 1.48 | d | 0.33 | 0.00 | z | 0.12 | 0.00 | z | 1.01 | a | 0.64 | 8.95 | ||||
| 1992 | 0.42 | 0.60 | f | 0.56 | 0.16 | 0.15 | 2.79 | 0.89 | c | 0.93 | 0.07 | 0.77 | 0.19 | 1.08 | g | 6.93 | ||||||||||
| 1993 | 2.51 | k | 0.92 | a | 1.27 | 0.84 | 1.37 | 1.42 | a | 1.89 | 1.49 | c | 1.86 | b | 1.52 | c | 0.22 | h | 1.80 | 14.38 | ||||||
| 1994 | 0.12 | 0.69 | 0.25 | 0.78 | c | 0.92 | a | 0.58 | 0.01 | 0.00 | 0.58 | 0.12 | a | 1.00 | d | 0.32 | a | 5.37 | ||||||||
| 1995 | 2.75 | b | 0.21 | 2.36 | 1.85 | 0.81 | 1.32 | 0.87 | 0.00 | 0.41 | 0.05 | 0.21 | 2.30 | l | 10.84 | |||||||||||
| 1996 | 1.59 | h | 2.19 | 0.74 | 0.96 | 1.70 | a | 0.69 | 0.60 | 0.51 | 0.40 | i | 0.49 | 1.45 | 1.87 | 11.20 | ||||||||||
| 1997 | 3.74 | a | 1.27 | 0.52 | 0.82 | q | 0.50 | 0.61 | 0.05 | 0.34 | 0.48 | 0.34 | 0.92 | 0.20 | 8.97 | |||||||||||
| 1998 | 1.42 | 1.40 | 0.95 | a | 0.33 | 3.24 | f | 1.10 | 1.17 | 0.02 | 0.67 | 0.00 | 5.02 | a | 0.11 | a | 12.19 | |||||||||
| 1999 | 1.66 | 1.72 | a | 0.48 | a | 0.71 | d | 0.12 | 0.11 | 0.02 | 0.89 | c | 0.00 | 0.57 | 0.28 | 0.42 | a | 6.98 | ||||||||
| 2000 | 2.55 | q | 1.66 | k | 1.00 | f | 1.74 | b | 0.39 | a | 0.10 | b | 0.77 | f | 0.00 | 1.62 | d | 1.99 | 0.60 | c | 0.43 | e | 6.87 | |||
| 2001 | 0.52 | 0.34 | 0.30 | 1.52 | c | 0.35 | 0.05 | 0.73 | c | 0.00 | 0.58 | c | 0.29 | 2.09 | f | 1.16 | k | 4.68 | ||||||||
| 2002 | 0.40 | c | 0.52 | c | 0.37 | b | 1.24 | 0.73 | 0.58 | d | 0.04 | 0.01 | 0.25 | 0.17 | l | 0.49 | 1.26 | r | 4.63 | |||||||
| 2003 | 1.16 | l | 0.48 | l | 1.49 | v | 1.46 | l | 1.21 | m | 0.00 | 0.18 | 0.22 | 1.13 | 0.30 | a | 0.39 | 0.74 | 2.96 | |||||||
| 2004 | 0.72 | 1.85 | 0.35 | a | 0.46 | 1.92 | 0.98 | c | 0.24 | 0.52 | 0.68 | 2.12 | 0.74 | 1.92 | 12.50 | |||||||||||
| 2005 | 0.76 | 0.29 | 0.14 | b | 2.00 | 2.58 | a | 1.09 | b | 0.13 | 0.10 | d | 0.68 | a | 0.56 | d | 2.76 | g | 3.88 | g | 8.33 | |||||
| 2006 | 1.00 | b | 1.06 | c | 0.67 | c | 1.58 | 0.06 | f | 1.48 | d | 0.00 | n | 0.25 | 0.06 | 0.09 | 1.14 | k | 0.88 | a | 7.07 | |||||
| 2007 | 0.32 | 1.59 | f | 0.76 | c | 0.20 | c | 0.66 | b | 0.43 | a | 0.00 | 0.60 | a | 1.51 | g | 1.81 | g | 0.33 | e | 0.54 | k | 3.30 | |||
| 2008 | 0.00 | z | 0.00 | b | 0.30 | d | 0.19 | d | 1.02 | n | 0.06 | b | 0.12 | c | 0.12 | 0.00 | 0.15 | 0.50 | g | 0.02 | b | 0.96 | ||||
| 2009 | 0.37 | a | 0.30 | d | 0.10 | f | 0.44 | 0.16 | 1.40 | d | 0.10 | 1.62 | 0.00 | 0.29 | d | 0.28 | c | 0.07 | r | 4.96 | ||||||
| 2010 | 0.60 | s | 0.50 | i | 1.04 | j | 1.81 | e | 1.25 | l | 1.21 | e | 0.38 | e | 0.25 | d | 0.17 | b | 1.70 | g | 0.48 | l | 2.32 | S | 3.82 | |
| 2011 | 0.08 | a | 0.98 | c | 1.88 | S | 1.46 | S | 1.15 | b | 0.50 | b | 0.10 | S | 0.82 | b | 0.24 | b | 0.27 | S | 0.16 | a | 0.06 | q | 7.37 | |
| 2012 | 0.31 | k | 0.16 | b | 1.43 | d | 0.72 | a | 0.12 | d | 0.40 | c | 0.00 | b | 0.00 | a | 0.00 | b | 0.23 | a | 3.16 | 2.64 | 8.86 | |||
| 2013 | 0.49 | 0.24 | 0.08 | 0.61 | 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 | 0.81 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1.16 | 0.89 | 0.88 | 0.79 | 1.04 | 1.04 | 0.43 | 0.40 | 0.51 | 0.70 | 1.10 | 1.17 | 10.33 | |||||||||||||
| S.D. | 1.01 | 0.76 | 0.65 | 0.59 | 0.85 | 0.89 | 0.59 | 0.58 | 0.52 | 0.84 | 1.04 | 1.36 | 3.29 | |||||||||||||
| SKEW | 1.36 | 1.73 | 1.09 | 1.14 | 1.78 | 1.11 | 2.26 | 2.27 | 1.32 | 3.08 | 1.45 | 2.61 | 0.53 | |||||||||||||
| MAX | 4.54 | 4.59 | 3.10 | 3.27 | 4.97 | 4.00 | 3.21 | 3.13 | 2.33 | 5.80 | 5.02 | 7.67 | 18.46 | |||||||||||||
| MIN | 0.08 | 0.00 | 0.02 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.37 | |||||||||||||
| NO YRS | 92 | 96 | 94 | 100 | 93 | 103 | 96 | 96 | 95 | 90 | 91 | 89 | 60 | |||||||||||||