| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1899 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.45 | 0.00 | 1.40 | 0.37 | 3.89 | 5.41 | 5.88 | 17.40 | ||||||||
| 1900 | 3.96 | q | 2.41 | 2.45 | 1.76 | 2.35 | 0.79 | 0.00 | 0.00 | 1.34 | z | 5.61 | 1.83 | 3.97 | 21.17 | |||||||||||
| 1901 | 5.89 | 3.31 | 2.94 | 2.28 | 0.69 | 0.03 | 0.00 | 0.00 | z | 0.00 | z | 0.61 | 2.02 | 2.50 | x | 17.77 | ||||||||||
| 1902 | 0.26 | 7.63 | 0.22 | 3.22 | 2.16 | 0.04 | 0.10 | 0.00 | z | 0.01 | z | 0.01 | z | 4.76 | q | 3.56 | t | 13.63 | ||||||||
| 1903 | 1.73 | u | 0.80 | 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 | 0.00 | 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 | 0.00 | 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 | 0.00 | 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 | |
| 1910 | 0.00 | 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 | |
| 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 | 3.38 | 1.80 | 3.58 | 1.37 | 0.56 | 5.02 | 0.00 | 0.00 | 0.57 | 3.34 | 4.51 | 6.60 | 30.73 | |||||||||||||
| 1932 | 4.27 | 1.04 | 3.79 | 2.67 | 3.13 | 0.46 | 0.08 | 0.00 | 0.06 | 1.67 | 4.64 | 4.74 | 26.55 | |||||||||||||
| 1933 | 8.16 | 2.22 | 2.15 | 0.85 | 3.15 | 0.72 | 0.00 | 0.24 | 0.79 | 1.22 | 1.02 | 4.69 | 25.21 | |||||||||||||
| 1934 | 4.42 | 1.20 | 1.65 | 2.00 | 1.21 | 1.43 | 0.06 | 0.09 | 0.57 | 4.04 | 7.47 | 5.39 | 29.53 | |||||||||||||
| 1935 | 4.36 | 2.84 | 3.16 | 2.85 | 0.11 | 0.34 | 0.11 | 0.36 | 0.40 | 4.05 | 2.57 | 4.70 | 25.85 | |||||||||||||
| 1936 | 9.17 | 4.97 | 1.76 | 2.25 | 2.78 | 2.02 | 0.51 | 0.00 | 0.92 | 0.05 | 0.25 | 3.16 | 27.84 | |||||||||||||
| 1937 | 5.25 | 5.07 | 3.60 | 4.14 | 1.74 | 4.04 | 0.07 | 0.14 | 1.95 | 2.17 | 8.41 | 4.83 | 41.41 | |||||||||||||
| 1938 | 4.32 | 9.04 | 7.78 | 1.90 | 0.23 | 0.12 | 0.05 | 0.00 | 1.64 | 2.12 | 4.40 | 2.28 | 33.88 | |||||||||||||
| 1939 | 3.26 | 4.34 | 3.20 | 0.15 | 1.54 | 1.52 | 0.59 | 0.74 | 0.55 | 2.77 | 0.34 | 7.34 | 26.34 | |||||||||||||
| 1940 | 3.26 | 9.71 | 4.40 | 1.64 | 1.44 | 0.30 | 0.07 | 0.00 | 2.83 | 3.50 | 3.24 | 6.54 | 36.93 | |||||||||||||
| 1941 | 3.58 | 2.63 | 1.08 | 2.09 | 2.69 | 2.59 | 0.09 | 0.45 | 2.28 | 1.94 | 6.09 | 8.78 | 34.29 | |||||||||||||
| 1942 | 4.19 | 2.42 | 0.96 | 1.94 | 3.38 | 1.28 | 0.16 | 0.00 | 0.09 | 0.99 | 10.68 | 11.95 | 38.04 | |||||||||||||
| 1943 | 7.01 | 1.70 | 3.35 | 3.19 | 2.06 | 2.23 | 0.33 | 1.17 | 0.23 | 3.91 | 3.94 | 1.87 | 30.99 | |||||||||||||
| 1944 | 2.79 | 3.10 | 1.98 | 3.89 | 1.67 | 1.18 | 0.01 | 0.00 | 0.75 | 1.44 | 4.45 | 1.97 | 23.23 | |||||||||||||
| 1945 | 3.13 | 4.29 | 4.85 | 2.51 | 2.65 | 0.11 | 0.14 | 0.15 | 1.07 | 1.63 | 9.30 | 8.33 | 38.16 | |||||||||||||
| 1946 | 5.77 | 3.03 | 4.70 | 0.49 | 2.64 | 0.59 | 0.04 | 0.61 | 0.96 | 3.54 | 6.08 | 2.76 | 31.21 | |||||||||||||
| 1947 | 2.91 | 2.79 | 4.14 | 1.69 | 1.63 | 3.76 | 2.79 | 0.94 | 0.51 | 6.42 | 2.82 | 3.38 | 33.78 | |||||||||||||
| 1948 | 6.59 | 4.76 | 3.55 | 2.67 | 2.30 | 1.79 | 0.29 | 0.54 | 1.71 | 0.97 | 4.45 | 6.83 | 36.45 | |||||||||||||
| 1949 | 1.35 | 6.43 | 2.49 | 0.79 | 1.96 | 0.03 | 0.00 | 0.03 | 1.96 | 2.42 | 3.23 | 3.82 | 24.51 | |||||||||||||
| 1950 | 11.11 | 2.84 | 4.77 | 1.16 | 0.71 | 1.92 | 0.01 | 0.11 | 0.56 | 12.53 | 5.91 | 4.81 | 46.44 | |||||||||||||
| 1951 | 6.85 | 4.54 | 3.25 | 0.93 | 1.30 | 0.00 | 0.00 | 0.06 | 1.03 | 5.39 | 5.32 | 8.87 | 37.54 | |||||||||||||
| 1952 | 5.83 | 3.57 | 3.10 | 1.10 | 0.77 | 3.29 | 0.01 | 0.00 | 0.58 | 0.41 | 1.94 | 9.35 | 29.95 | |||||||||||||
| 1953 | 10.16 | 4.25 | 3.29 | 2.17 | 3.22 | 1.60 | 0.00 | 1.29 | 1.19 | 2.96 | 8.44 | 5.00 | 43.57 | |||||||||||||
| 1954 | 9.77 | 3.22 | 2.23 | 2.30 | 0.30 | 1.05 | 0.01 | 1.19 | 1.06 | 1.34 | 2.40 | 4.99 | 29.86 | |||||||||||||
| 1955 | 3.32 | 1.79 | 3.52 | 3.41 | 0.46 | 0.45 | 0.15 | 0.00 | 1.00 | 3.67 | 4.52 | 15.74 | 38.03 | |||||||||||||
| 1956 | 9.90 | 7.07 | 3.05 | 0.71 | 3.00 | 1.48 | 0.00 | 0.26 | 0.46 | 7.00 | 1.02 | 3.30 | 37.25 | |||||||||||||
| 1957 | 2.42 | 5.41 | 5.80 | 2.15 | 1.66 | 0.23 | 0.32 | 0.30 | 1.98 | 3.66 | 2.75 | 9.23 | 35.91 | |||||||||||||
| 1958 | 6.91 | 9.46 | 2.46 | 1.82 | 1.32 | 4.97 | 0.48 | 0.06 | 0.56 | 1.93 | 4.42 | 3.63 | 38.02 | |||||||||||||
| 1959 | 8.07 | 4.58 | 2.36 | 0.59 | 2.17 | 0.54 | 0.00 | 0.00 | 1.23 | 2.10 | 0.80 | 3.53 | 25.97 | |||||||||||||
| 1960 | 3.65 | 6.25 | 6.46 | 2.44 | 3.80 | 0.00 | 0.00 | 0.67 | 0.65 | 1.53 | 8.38 | 2.26 | 36.09 | |||||||||||||
| 1961 | 2.22 | 8.92 | 6.46 | 0.90 | 2.49 | 0.46 | 0.35 | 0.02 | 0.71 | 4.22 | 10.11 | 4.46 | 41.32 | |||||||||||||
| 1962 | 1.36 | 3.35 | 4.47 | 1.62 | 1.27 | 0.49 | 0.00 | 0.53 | 0.51 | 5.55 | 5.41 | 3.66 | 28.22 | |||||||||||||
| 1963 | 1.47 | 3.94 | 3.55 | 5.28 | 3.74 | 1.83 | 0.18 | 0.00 | 1.42 | 2.05 | 6.35 | 2.00 | 31.81 | |||||||||||||
| 1964 | 10.98 | 1.04 | 3.74 | 0.95 | 0.97 | 1.50 | 0.31 | 0.14 | 0.44 | 0.92 | 8.06 | 14.07 | 43.12 | |||||||||||||
| 1965 | 5.93 | 1.31 | 0.47 | 2.45 | 0.53 | 0.27 | 0.10 | 0.82 | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 11.88 | ||||||||||
| 1966 | 0.00 | 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 | |
| 1967 | 0.00 | 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 | |
| 1968 | 0.00 | 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 | |
| 1969 | 0.00 | 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 | |
| 1970 | 0.00 | 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 | |
| 1971 | 0.00 | 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 | |
| 1972 | 0.00 | 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 | |
| 1973 | 0.00 | 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 | |
| 1974 | 0.00 | 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 | |
| 1975 | 0.00 | 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 | |
| 1976 | 0.00 | 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 | |
| 1977 | 0.00 | 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 | |
| 1978 | 0.00 | 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 | |
| 1979 | 0.00 | 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 | |
| 1980 | 0.00 | 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 | |
| 1981 | 0.00 | 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 | |
| 1982 | 0.00 | 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 | |
| 1983 | 0.00 | 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 | |
| 1984 | 0.00 | 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 | |
| 1985 | 0.00 | 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 | |
| 1986 | 0.00 | 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 | |
| 1987 | 0.00 | 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 | |
| 1988 | 0.00 | 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 | |
| 1989 | 0.00 | 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 | |
| 1990 | 0.00 | 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 | |
| 1991 | 0.00 | 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 | |
| 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 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1993 | 0.00 | 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 | |
| 1994 | 0.00 | 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 | |
| 1995 | 0.00 | 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 | |
| 1996 | 0.00 | 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 | |
| 1997 | 0.00 | 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 | |
| 1998 | 0.00 | 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 | |
| 1999 | 0.00 | 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 | |
| 2000 | 0.00 | 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 | |
| 2001 | 0.00 | 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 | |
| 2002 | 0.00 | 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 | |
| 2003 | 0.00 | 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 | |
| 2004 | 0.00 | 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 | |
| 2005 | 0.00 | 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 | |
| 2006 | 0.00 | 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 | |
| 2007 | 0.00 | 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 | |
| 2008 | 0.00 | 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 | |
| 2009 | 0.00 | 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 | |
| 2010 | 0.00 | 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 | |
| 2011 | 1.96 | 4.01 | 5.88 | 2.73 | k | 3.37 | 1.25 | 1.55 | a | 0.00 | 0.01 | a | 1.65 | b | 4.05 | a | 1.82 | a | 25.55 | |||||||
| 2012 | 5.25 | a | 3.23 | b | 8.65 | 2.08 | a | 0.92 | 2.45 | 0.37 | 0.00 | 0.00 | 2.00 | 8.55 | 8.17 | 41.67 | ||||||||||
| 2013 | 2.39 | 0.72 | 1.65 | 0.31 | 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 | 4.76 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 5.07 | 4.05 | 3.49 | 2.01 | 1.85 | 1.33 | 0.23 | 0.32 | 0.88 | 3.01 | 4.76 | 5.65 | 33.71 | |||||||||||||
| S.D. | 2.87 | 2.39 | 1.83 | 1.08 | 1.05 | 1.33 | 0.49 | 0.42 | 0.68 | 2.30 | 2.80 | 3.32 | 6.16 | |||||||||||||
| SKEW | 0.56 | 0.90 | 0.75 | 0.74 | 0.12 | 1.30 | 4.02 | 1.26 | 0.96 | 1.99 | 0.32 | 1.26 | 0.11 | |||||||||||||
| MAX | 11.11 | 9.71 | 8.65 | 5.28 | 3.80 | 5.02 | 2.79 | 1.40 | 2.83 | 12.53 | 10.68 | 15.74 | 46.44 | |||||||||||||
| MIN | 0.26 | 0.72 | 0.22 | 0.15 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 0.25 | 1.82 | 23.23 | |||||||||||||
| NO YRS | 40 | 41 | 41 | 39 | 40 | 41 | 41 | 39 | 38 | 39 | 39 | 38 | 35 | |||||||||||||