| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1897 | 0.00 | z | 0.00 | z | 0.30 | 0.15 | 0.00 | z | 0.00 | z | 0.00 | 0.16 | 1.14 | 0.10 | 1.42 | 1.65 | n | 3.27 | ||||||||
| 1898 | 0.79 | 0.11 | 0.21 | a | 0.10 | 2.37 | 0.33 | 0.00 | 0.00 | 0.00 | z | 0.00 | 2.00 | 0.00 | r | 5.91 | ||||||||||
| 1899 | 0.00 | z | 0.01 | 1.34 | 0.02 | 1.17 | 0.00 | 0.00 | 0.87 | 0.00 | 0.00 | z | 0.00 | z | 2.36 | z | 3.41 | |||||||||
| 1900 | 1.27 | 0.28 | 0.24 | 1.11 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 2.90 | |||||
| 1901 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.08 | 0.00 | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.08 | ||||
| 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 | 0.29 | 3.74 | 0.83 | 4.86 | ||||
| 1904 | 1.02 | 2.93 | 3.56 | 2.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 9.51 | |||||
| 1905 | 0.00 | 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 | |
| 1906 | 0.00 | 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 | |
| 1907 | 0.00 | 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 | |
| 1908 | 0.00 | 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 | |
| 1909 | 0.00 | z | 1.25 | 0.53 | 0.17 | 0.23 | 0.76 | 0.53 | 0.15 | 2.22 | 1.53 | 3.70 | 0.61 | 11.68 | ||||||||||||
| 1910 | 0.14 | 1.03 | 1.82 | 0.00 | z | 0.78 | 0.32 | 0.12 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 4.21 | |||||||
| 1911 | 0.00 | 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 | |
| 1912 | 0.00 | 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 | |
| 1913 | 0.00 | 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 | |
| 1914 | 0.00 | 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 | |
| 1915 | 0.00 | 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 | |
| 1916 | 0.00 | 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 | |
| 1917 | 0.00 | 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 | |
| 1918 | 0.00 | 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 | |
| 1919 | 0.00 | 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 | |
| 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 | 0.00 | 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 | |
| 1926 | 0.00 | 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 | |
| 1927 | 0.00 | 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 | |
| 1928 | 0.00 | 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 | |
| 1929 | 0.00 | 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 | |
| 1930 | 0.00 | 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 | |
| 1931 | 0.00 | 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 | |
| 1932 | 0.00 | 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 | |
| 1933 | 0.00 | 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 | |
| 1934 | 0.00 | 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 | |
| 1935 | 0.00 | 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 | |
| 1936 | 0.00 | 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 | |
| 1937 | 0.00 | 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 | |
| 1938 | 0.00 | 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 | |
| 1939 | 0.00 | 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 | |
| 1940 | 0.00 | 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 | |
| 1941 | 0.00 | 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 | |
| 1942 | 1.48 | 1.44 | 0.30 | 1.15 | 2.40 | 1.33 | 0.00 | 0.22 | 0.00 | 0.52 | 2.43 | 2.21 | 13.48 | |||||||||||||
| 1943 | 1.96 | 0.77 | 0.83 | 1.33 | 1.39 | 1.49 | 0.17 | 0.02 | 0.00 | 0.91 | 0.25 | 0.47 | 9.59 | |||||||||||||
| 1944 | 0.53 | 1.16 | 0.23 | 1.02 | 0.68 | 3.20 | 0.91 | 0.06 | 0.61 | 0.12 | 1.56 | 1.08 | 11.16 | |||||||||||||
| 1945 | 1.01 | 0.79 | 2.08 | 0.29 | 3.64 | 1.24 | 0.09 | 0.28 | 0.56 | 0.87 | 1.09 | 1.21 | 13.15 | |||||||||||||
| 1946 | 0.63 | 0.56 | 0.71 | 0.27 | 1.87 | 0.83 | 0.10 | 0.44 | 0.43 | 1.25 | 1.56 | 0.76 | 9.41 | |||||||||||||
| 1947 | 0.19 | 0.49 | 1.00 | 0.89 | 0.99 | 2.35 | 0.00 | 0.54 | 0.46 | 1.70 | 1.30 | 0.58 | 10.49 | |||||||||||||
| 1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.27 | a | 0.15 | 1.36 | 1.56 | 1.25 | 1.86 | 6.45 | ||||||
| 1949 | 0.18 | 0.76 | 0.71 | 0.42 | 1.65 | 0.98 | 0.00 | 0.17 | 0.31 | 0.44 | 0.87 | 0.66 | 7.15 | |||||||||||||
| 1950 | 1.23 | 0.24 | 2.30 | 0.35 | 1.14 | 1.54 | 0.00 | 1.03 | 0.09 | 1.07 | 1.10 | 2.58 | 12.67 | |||||||||||||
| 1951 | 0.70 | a | 1.81 | 0.71 | a | 1.90 | 1.90 | 0.00 | z | 0.11 | 0.65 | 0.00 | 1.50 | 0.77 | 2.05 | 12.10 | ||||||||||
| 1952 | 1.11 | 1.10 | 1.77 | 0.85 | 1.43 | 2.44 | 0.61 | 0.00 | 0.93 | 0.00 | 0.45 | 1.03 | 11.72 | |||||||||||||
| 1953 | 0.92 | 1.02 | 0.35 | 1.31 | 3.92 | 2.32 | 0.00 | 0.55 | 0.00 | a | 0.34 | 1.58 | 1.50 | 13.81 | ||||||||||||
| 1954 | 1.50 | 0.63 | 2.04 | 0.51 | 1.01 | a | 1.53 | 0.18 | 0.00 | 0.05 | 0.48 | a | 0.92 | 1.15 | 10.00 | |||||||||||
| 1955 | 0.19 | 0.42 | 0.47 | 2.41 | 0.51 | 0.65 | 0.36 | 0.00 | 0.80 | 0.29 | 1.82 | 2.22 | 10.14 | |||||||||||||
| 1956 | 2.61 | 0.22 | 0.17 | 1.19 | 2.44 | 0.50 | 0.54 | 0.14 | 0.23 | 3.05 | 0.07 | 0.62 | 11.78 | |||||||||||||
| 1957 | 0.57 | 0.92 | 1.32 | 0.76 | 4.14 | 0.25 | 0.24 | 0.00 | 0.47 | 2.59 | 1.39 | 0.41 | b | 13.06 | ||||||||||||
| 1958 | 1.09 | a | 2.48 | 0.58 | 0.48 | 0.40 | 2.14 | 0.24 | 0.21 | 0.63 | 0.25 | 0.61 | 0.40 | g | 9.11 | |||||||||||
| 1959 | 0.33 | 0.56 | 0.68 | 0.19 | 1.27 | 0.40 | 0.07 | 0.00 | 1.61 | 0.78 | 0.00 | 0.46 | 6.35 | |||||||||||||
| 1960 | 1.40 | 1.06 | 1.09 | 1.00 | 2.38 | 0.00 | 0.36 | 0.77 | 0.44 | 0.48 | 0.74 | w | 0.56 | 9.54 | ||||||||||||
| 1961 | 0.35 | 0.73 | 1.44 | 0.11 | 1.23 | 0.97 | 0.32 | 0.35 | 1.13 | 1.07 | 0.52 | 0.61 | 8.83 | |||||||||||||
| 1962 | 0.53 | 0.60 | 0.78 | 0.27 | 1.88 | 0.00 | 0.06 | 0.38 | 0.27 | 3.12 | 1.71 | 0.91 | 10.51 | |||||||||||||
| 1963 | 1.09 | 1.16 | 1.01 | 2.25 | 0.94 | 1.38 | 0.06 | 0.72 | 0.63 | 0.61 | 1.74 | 0.89 | 12.48 | |||||||||||||
| 1964 | 1.01 | 0.00 | 0.23 | o | 1.06 | 1.41 | 2.29 | 0.61 | 0.75 | 0.15 | 0.35 | 1.56 | 3.37 | 12.56 | ||||||||||||
| 1965 | 1.05 | 0.14 | 0.26 | 1.43 | 0.60 | 2.01 | 0.09 | 1.96 | 0.12 | 0.00 | 1.04 | 0.35 | 9.05 | |||||||||||||
| 1966 | 0.93 | 0.50 | 0.19 | h | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.83 | 0.06 | 1.82 | 0.83 | 4.97 | |||||||
| 1967 | 1.10 | 0.13 | 0.58 | 1.68 | 1.40 | 1.20 | 0.27 | 0.00 | 0.66 | 0.26 | 0.70 | 0.47 | 8.45 | |||||||||||||
| 1968 | 0.79 | 1.40 | 0.56 | 0.16 | 0.65 | 0.20 | 0.03 | 1.49 | 0.00 | z | 0.43 | 2.94 | 0.82 | a | 9.47 | |||||||||||
| 1969 | 2.89 | 0.33 | 0.43 | 0.72 | 0.20 | 2.22 | 0.00 | 0.00 | 0.12 | 1.22 | 0.90 | 2.01 | 11.04 | |||||||||||||
| 1970 | 2.94 | 0.45 | 0.72 | 1.14 | 1.71 | 2.64 | 0.01 | 0.00 | 0.79 | 1.20 | 2.93 | 1.35 | 15.88 | |||||||||||||
| 1971 | 0.87 | 0.32 | 1.90 | 1.19 | 1.69 | 1.87 | 0.34 | 0.16 | 1.66 | 0.49 | 1.10 | 0.50 | 12.09 | |||||||||||||
| 1972 | 3.13 | 1.02 | 1.44 | 0.27 | 0.92 | 0.50 | 0.00 | 0.00 | 0.57 | 0.49 | 1.31 | 1.63 | 11.28 | |||||||||||||
| 1973 | 0.75 | 0.21 | 0.77 | 0.45 | 1.54 | 0.26 | 0.15 | 0.24 | 1.20 | 1.41 | 2.27 | 1.82 | 11.07 | |||||||||||||
| 1974 | 0.46 | 0.40 | 1.97 | 1.14 | 0.25 | 0.32 | 0.45 | 0.19 | 0.00 | 0.40 | 0.36 | 1.88 | 7.82 | |||||||||||||
| 1975 | 0.82 | 1.81 | 1.55 | 1.90 | 0.72 | 2.24 | 1.35 | 0.78 | 0.01 | 2.43 | 0.62 | 1.32 | 15.55 | |||||||||||||
| 1976 | 0.63 | 1.19 | 0.40 | 0.76 | 0.15 | 1.23 | 0.48 | 3.07 | 1.28 | 0.15 | 0.12 | 0.01 | 9.47 | |||||||||||||
| 1977 | 1.03 | 0.17 | 0.20 | 0.21 | 2.14 | 0.56 | 0.87 | 0.57 | 1.33 | 0.18 | 1.58 | 1.89 | 10.73 | |||||||||||||
| 1978 | 1.05 | 0.73 | 1.01 | 3.23 | 0.49 | 0.78 | 0.02 | 1.60 | 1.60 | 0.01 | 1.52 | 0.95 | 12.99 | |||||||||||||
| 1979 | 1.52 | 1.99 | 1.05 | 1.94 | 0.83 | 1.41 | 0.62 | 2.21 | 0.14 | 2.27 | 0.88 | 0.11 | 14.97 | |||||||||||||
| 1980 | 2.02 | 1.44 | 1.11 | 0.43 | 2.47 | 0.86 | 0.16 | 0.00 | 0.73 | 1.31 | 0.80 | 0.85 | 12.18 | |||||||||||||
| 1981 | 0.95 | 1.34 | 2.29 | 0.97 | 2.96 | 1.07 | 0.48 | 0.00 | 0.00 | g | 2.12 | 2.00 | 3.95 | 18.13 | ||||||||||||
| 1982 | 0.48 | b | 0.55 | 0.55 | 0.70 | 0.53 | 0.54 | m | 0.44 | f | 0.57 | 2.02 | 1.61 | 2.10 | a | 2.08 | a | 11.19 | ||||||||
| 1983 | 0.00 | z | 1.74 | f | 3.20 | c | 2.05 | c | 2.00 | 1.36 | 1.15 | 2.00 | b | 0.90 | e | 1.12 | s | 1.66 | 4.91 | h | 14.32 | |||||
| 1984 | 0.17 | b | 1.19 | 1.88 | 1.40 | 1.08 | 1.97 | 0.12 | 1.22 | a | 0.44 | 2.51 | 1.81 | 0.85 | 14.64 | |||||||||||
| 1985 | 0.09 | 0.54 | 0.64 | e | 0.67 | 0.71 | 0.17 | 0.30 | e | 0.19 | 1.34 | a | 0.22 | 0.70 | g | 0.34 | 5.21 | |||||||||
| 1986 | 0.63 | 3.43 | a | 1.78 | 0.54 | 2.30 | 0.24 | 0.16 | 0.50 | 2.08 | 0.30 | 0.61 | 0.46 | 13.03 | ||||||||||||
| 1987 | 1.09 | b | 0.72 | 1.46 | 0.67 | a | 1.21 | c | 2.79 | 1.89 | 0.09 | 0.00 | 0.00 | 1.27 | 0.80 | 11.99 | ||||||||||
| 1988 | 0.00 | z | 0.20 | 0.80 | 1.97 | 0.58 | 0.85 | c | 0.00 | 0.00 | 0.75 | b | 0.00 | 2.54 | a | 0.26 | a | 7.95 | ||||||||
| 1989 | 0.50 | 0.71 | 2.46 | 0.75 | 2.26 | 0.48 | z | 0.00 | z | 1.58 | 0.60 | 0.72 | 0.38 | 1.00 | i | 9.96 | ||||||||||
| 1990 | 0.40 | e | 0.00 | z | 0.68 | 1.37 | 2.11 | d | 0.54 | 0.45 | 0.96 | 0.00 | c | 1.18 | 0.66 | 0.52 | 8.87 | |||||||||
| 1991 | 0.11 | 0.55 | e | 0.98 | 1.31 | 3.14 | 0.92 | 0.00 | 0.00 | z | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 7.01 | ||||||||
| 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 | 2.38 | 0.76 | 1.52 | a | 4.66 | |||
| 1993 | 1.09 | w | 1.05 | c | 2.00 | 1.60 | 1.72 | 2.62 | 0.79 | 1.03 | 0.90 | 1.38 | g | 0.62 | 1.08 | 13.41 | ||||||||||
| 1994 | 0.33 | a | 1.05 | b | 0.18 | c | 1.99 | c | 2.27 | 0.33 | 0.00 | 0.23 | 0.16 | 0.24 | d | 1.49 | f | 1.00 | 7.78 | |||||||
| 1995 | 1.78 | a | 0.28 | 1.38 | 2.49 | 0.00 | z | 1.62 | 0.16 | 0.00 | z | 0.55 | a | 0.36 | 0.97 | d | 2.79 | f | 9.59 | |||||||
| 1996 | 1.53 | 0.67 | c | 1.17 | 1.90 | 2.87 | b | 1.31 | 0.00 | z | 0.00 | z | 0.43 | 0.00 | z | 1.83 | g | 0.00 | z | 9.88 | ||||||
| 1997 | 0.00 | z | 0.69 | a | 0.36 | e | 4.82 | c | 2.53 | 0.00 | z | 1.62 | z | 0.64 | 0.34 | o | 0.00 | z | 3.30 | c | 0.00 | z | 12.34 | |||
| 1998 | 2.98 | n | 0.58 | f | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.54 | j | 1.77 | c | 1.19 | f | 1.77 | |
| 1999 | 1.87 | b | 2.01 | e | 0.47 | e | 1.22 | c | 0.72 | 0.94 | b | 0.15 | 0.37 | f | 0.00 | 0.17 | 0.44 | e | 0.25 | f | 7.99 | |||||
| 2000 | 2.00 | j | 1.40 | h | 1.10 | h | 1.94 | a | 0.92 | d | 0.23 | a | 0.19 | g | 0.00 | 0.92 | c | 2.57 | d | 0.77 | l | 0.83 | o | 6.58 | ||
| 2001 | 0.64 | h | 0.57 | g | 1.29 | e | 1.75 | f | 0.78 | b | 0.58 | e | 0.53 | j | 0.07 | 0.20 | b | 0.55 | k | 1.39 | o | 1.39 | s | 2.92 | ||
| 2002 | 0.83 | p | 0.75 | o | 0.89 | g | 1.13 | e | 0.67 | l | 0.44 | i | 0.50 | d | 0.05 | m | 0.33 | c | 0.34 | w | 0.00 | z | 0.00 | z | 1.96 | |
| 2003 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.10 | c | 0.33 | 1.23 | 0.48 | 0.02 | i | 0.79 | j | 1.09 | f | 2.14 | ||||
| 2004 | 0.69 | c | 0.82 | d | 0.34 | 0.42 | d | 1.99 | 0.48 | 0.58 | 0.73 | b | 0.37 | j | 2.52 | h | 1.05 | p | 1.34 | 7.39 | ||||||
| 2005 | 0.21 | h | 0.46 | n | 1.19 | e | 1.65 | h | 5.23 | f | 0.54 | f | 0.40 | b | 0.00 | 0.42 | f | 1.06 | q | 2.39 | j | 2.61 | m | 1.59 | ||
| 2006 | 1.48 | k | 0.32 | f | 1.38 | g | 1.69 | b | 0.00 | z | 0.42 | b | 0.19 | i | 0.00 | 0.50 | 0.93 | l | 1.42 | r | 1.12 | h | 2.61 | |||
| 2007 | 0.36 | g | 1.05 | j | 0.44 | g | 1.84 | k | 0.21 | d | 1.08 | b | 0.04 | c | 0.33 | h | 0.49 | n | 1.84 | p | 0.96 | u | 0.42 | e | 1.75 | |
| 2008 | 0.86 | t | 0.22 | e | 0.67 | m | 0.59 | p | 0.69 | e | 0.53 | p | 0.12 | 0.00 | a | 0.02 | k | 0.51 | k | 0.79 | m | 0.51 | t | 1.03 | ||
| 2009 | 0.20 | i | 0.81 | m | 1.36 | n | 1.08 | j | 0.90 | c | 5.22 | l | 0.00 | 0.74 | 0.00 | 0.88 | f | 0.47 | 1.12 | 3.23 | ||||||
| 2010 | 1.69 | 1.52 | 0.67 | 2.04 | 1.73 | 0.00 | z | 0.22 | 0.24 | 0.59 | 3.33 | 2.12 | j | 6.18 | q | 12.03 | ||||||||||
| 2011 | 2.31 | d | 0.62 | v | 2.11 | 1.17 | 0.00 | z | 1.26 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 6.85 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 1.04 | 0.88 | 1.08 | 1.14 | 1.48 | 1.10 | 0.29 | 0.51 | 0.62 | 0.95 | 1.34 | 1.13 | 11.37 | |||||||||||||
| S.D. | 0.73 | 0.69 | 0.76 | 0.85 | 0.93 | 0.83 | 0.36 | 0.64 | 0.57 | 0.92 | 0.87 | 0.79 | 2.30 | |||||||||||||
| SKEW | 1.10 | 1.49 | 1.04 | 1.46 | 0.80 | 0.61 | 2.15 | 1.77 | 0.98 | 1.00 | 0.90 | 1.37 | -0.08 | |||||||||||||
| MAX | 3.13 | 3.43 | 3.56 | 4.82 | 4.14 | 3.20 | 1.89 | 3.07 | 2.22 | 3.33 | 3.74 | 3.95 | 15.88 | |||||||||||||
| MIN | 0.09 | 0.00 | 0.17 | 0.02 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 6.35 | |||||||||||||
| NO YRS | 58 | 62 | 65 | 66 | 65 | 62 | 65 | 64 | 63 | 58 | 58 | 54 | 35 | |||||||||||||