| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1896 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.99 | 0.78 | 5.50 | 23.08 | i | 16.29 | 23.56 | |||||
| 1897 | 6.47 | 12.67 | 10.82 | a | 3.28 | 1.74 | 1.73 | 0.72 | 0.60 | 2.93 | 4.59 | 10.77 | c | 21.96 | 78.28 | |||||||||||
| 1898 | 6.53 | 12.65 | 3.84 | 3.89 | 2.00 | 2.45 | 0.34 | 0.45 | 5.06 | 3.99 | a | 12.26 | 6.99 | 60.45 | ||||||||||||
| 1899 | 15.69 | 10.81 | a | 6.60 | 9.13 | 3.12 | 0.97 | 0.07 | 2.92 | a | 2.64 | 5.41 | a | 18.30 | c | 10.59 | a | 86.25 | ||||||||
| 1900 | 9.66 | 8.42 | 9.25 | 2.07 | 4.41 | 2.99 | 0.09 | 0.28 | 2.89 | 11.44 | 12.27 | a | 13.49 | 77.26 | ||||||||||||
| 1901 | 16.29 | 11.19 | 7.92 | 8.24 | 3.05 | 0.82 | 0.06 | 0.30 | 7.42 | 3.00 | 13.84 | 9.61 | 81.74 | |||||||||||||
| 1902 | 8.64 | 20.73 | c | 14.50 | 5.79 | 3.81 | 1.11 | 1.07 | 0.02 | 1.37 | 3.55 | 20.42 | a | 22.02 | 103.03 | |||||||||||
| 1903 | 16.30 | 4.58 | 9.74 | 4.57 | 1.12 | 0.96 | 0.17 | 0.56 | 0.51 | 4.70 | a | 19.12 | a | 6.50 | 68.83 | |||||||||||
| 1904 | 10.75 | a | 23.72 | 21.27 | 4.63 | a | 0.72 | 0.54 | 1.55 | 0.05 | 1.51 | 3.35 | a | 17.04 | 16.49 | 101.62 | ||||||||||
| 1905 | 10.28 | 4.79 | 13.53 | 0.86 | 1.84 | 1.41 | 0.03 | 0.02 | 3.49 | 6.38 | p | 5.64 | 13.38 | 55.27 | ||||||||||||
| 1906 | 12.11 | 15.52 | 4.33 | 3.28 | 4.50 | 4.40 | 0.03 | 0.00 | 2.57 | 5.44 | 17.36 | 12.87 | i | 69.54 | ||||||||||||
| 1907 | 16.31 | 9.00 | 6.69 | 6.25 | 2.07 | 1.62 | 0.62 | 1.02 | 2.84 | 1.01 | 13.42 | 19.13 | g | 60.85 | ||||||||||||
| 1908 | 7.86 | n | 8.30 | n | 6.60 | r | 2.50 | 7.42 | 0.10 | q | 0.00 | z | 0.52 | z | 0.40 | 6.79 | 8.15 | 9.93 | 35.19 | |||||||
| 1909 | 18.68 | 16.72 | 4.02 | 0.65 | 2.14 | 0.35 | 0.90 | 0.00 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 43.46 | |||||||||
| 1910 | 12.44 | 11.60 | 3.16 | u | 5.38 | 1.11 | 1.33 | 0.09 | 0.06 | 1.01 | 5.74 | 18.59 | 8.24 | l | 57.35 | |||||||||||
| 1911 | 14.73 | 4.02 | 1.52 | 0.33 | 5.92 | 0.66 | 0.03 | 0.00 | 4.86 | 2.10 | 6.95 | l | 8.53 | n | 34.17 | |||||||||||
| 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 | 6.76 | v | 1.84 | h | 0.00 | |
| 1924 | 7.77 | 5.89 | d | 2.51 | m | 0.63 | 0.00 | 0.00 | 0.00 | 0.56 | 3.29 | 10.92 | 15.79 | 5.39 | 50.24 | |||||||||||
| 1925 | 13.75 | 11.87 | 1.30 | 1.95 | x | 0.62 | 1.35 | 0.00 | 0.78 | 0.61 | 0.00 | 10.10 | 8.12 | 48.50 | ||||||||||||
| 1926 | 6.15 | 13.35 | 0.33 | z | 1.10 | 3.58 | 0.00 | 0.00 | 0.78 | 1.77 | 6.77 | 16.85 | 8.50 | 58.85 | ||||||||||||
| 1927 | 13.27 | 14.80 | 4.40 | 3.15 | 4.20 | 1.30 | 0.00 | 0.20 | 3.65 | 2.90 | 12.05 | a | 6.32 | 66.24 | ||||||||||||
| 1928 | 9.10 | 2.66 | 15.98 | 9.01 | 1.10 | 0.55 | 0.05 | 0.00 | 1.00 | 3.55 | 11.65 | 9.20 | 63.85 | |||||||||||||
| 1929 | 5.80 | 1.37 | 3.22 | v | 7.37 | 1.00 | 1.98 | 0.00 | 0.00 | 0.40 | 1.15 | 0.60 | 15.66 | 35.33 | ||||||||||||
| 1930 | 5.85 | 11.14 | 2.60 | 4.25 | 2.52 | 0.76 | 0.05 | 0.00 | 1.67 | 1.37 | 5.80 | 3.42 | 39.43 | |||||||||||||
| 1931 | 11.19 | 5.55 | 14.55 | 2.78 | 1.02 | 3.01 | 0.00 | 0.00 | 1.95 | 7.93 | 10.68 | 17.72 | 76.38 | |||||||||||||
| 1932 | 11.85 | 5.72 | 9.61 | 4.85 | 1.84 | 0.25 | 0.53 | 0.94 | 0.00 | 3.87 | 13.03 | 15.59 | a | 68.08 | ||||||||||||
| 1933 | 15.29 | e | 7.84 | 9.87 | 0.98 | 6.95 | 2.09 | 0.00 | 0.67 | 3.63 | 4.46 | 2.03 | 31.83 | 85.64 | ||||||||||||
| 1934 | 10.96 | 2.54 | 5.89 | 2.28 | 0.74 | 0.00 | z | 0.09 | 0.18 | 0.78 | 10.35 | 17.76 | 13.44 | 65.01 | ||||||||||||
| 1935 | 8.33 | 5.60 | 10.54 | 3.77 | 0.69 | 0.43 | 0.58 | 0.35 | 1.42 | 3.22 | 4.36 | 10.60 | o | 39.29 | ||||||||||||
| 1936 | 21.74 | 8.43 | l | 4.89 | p | 1.72 | 5.26 | 1.90 | 0.31 | 0.00 | 0.41 | 0.23 | 0.49 | 10.81 | 42.87 | |||||||||||
| 1937 | 8.53 | 15.65 | 6.48 | 11.37 | 3.31 | 5.51 | 0.13 | 0.93 | 1.08 | 4.91 | 17.57 | 23.03 | 98.50 | |||||||||||||
| 1938 | 8.66 | 11.47 | 16.09 | 2.95 | 0.72 | 0.19 | 0.32 | 0.00 | 1.70 | 4.42 | 7.02 | 8.12 | 61.66 | |||||||||||||
| 1939 | 10.25 | 8.92 | 4.53 | 0.58 | 1.14 | 1.24 | 0.18 | 1.14 | 0.22 | 3.62 | 1.83 | 18.45 | 52.10 | |||||||||||||
| 1940 | 9.20 | 20.33 | 9.18 | 3.74 | 3.64 | 0.07 | 0.52 | 0.00 | 2.20 | v | 5.10 | 6.78 | 9.60 | 68.16 | ||||||||||||
| 1941 | 11.91 | 2.31 | 2.47 | 2.44 | 5.28 | u | 1.17 | 0.00 | 1.41 | 4.61 | 2.48 | 8.71 | 17.56 | 55.07 | ||||||||||||
| 1942 | 8.19 | 8.46 | 3.59 | 2.78 | 4.07 | 1.72 | 0.85 | 0.45 | 0.00 | 3.17 | 22.67 | 18.96 | 74.91 | |||||||||||||
| 1943 | 10.08 | 9.42 | 9.48 | 6.57 | 2.46 | 1.95 | 0.47 | 1.93 | 0.18 | 9.04 | 5.30 | 6.82 | 63.70 | |||||||||||||
| 1944 | 8.92 | 5.42 | 4.91 | 4.53 | 1.71 | 0.00 | z | 0.08 | 0.20 | 1.90 | 1.95 | 7.21 | 4.96 | 41.79 | ||||||||||||
| 1945 | 9.10 | 0.00 | z | 11.43 | 5.22 | 5.49 | 0.08 | 0.24 | 0.25 | 3.63 | 1.44 | 20.69 | 15.93 | 73.50 | ||||||||||||
| 1946 | 12.86 | 11.60 | 8.83 | 3.28 | 0.88 | 2.35 | 0.68 | 0.02 | 2.45 | 7.01 | 16.43 | 11.27 | 77.66 | |||||||||||||
| 1947 | 8.54 | 7.77 | 9.20 | 3.38 | 0.06 | 5.61 | 1.49 | 0.90 | 1.93 | 17.33 | 4.85 | 6.24 | 67.30 | |||||||||||||
| 1948 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.70 | a | 0.54 | 2.46 | 4.22 | 14.78 | 16.77 | 39.47 | ||||||
| 1949 | 2.43 | 25.33 | 5.67 | 1.25 | 5.16 | 0.67 | 0.39 | 0.10 | 1.24 | 3.45 | 13.55 | 11.67 | 70.91 | |||||||||||||
| 1950 | 20.08 | 11.79 | 12.96 | 2.38 | 1.11 | 1.33 | 0.24 | 0.92 | 1.03 | 14.97 | 18.01 | 15.60 | 100.42 | |||||||||||||
| 1951 | 19.65 | 11.14 | 8.56 | 2.72 | 3.33 | 0.04 | 0.19 | 0.35 | 2.57 | 11.24 | 13.01 | 16.06 | 88.86 | |||||||||||||
| 1952 | 12.45 | 9.10 | 6.01 | 2.31 | 0.65 | 1.27 | 0.00 | 0.25 | 0.24 | 0.69 | 3.34 | 15.84 | a | 52.15 | ||||||||||||
| 1953 | 29.45 | 9.38 | 8.96 | 3.90 | 4.50 | 1.47 | 0.00 | 2.97 | 1.53 | 4.75 | 13.54 | 15.94 | 96.39 | |||||||||||||
| 1954 | 20.98 | 15.04 | 6.04 | 6.96 | 1.42 | 2.96 | 0.44 | 2.50 | 1.20 | 4.78 | 9.86 | 12.29 | 84.47 | |||||||||||||
| 1955 | 5.70 | 5.30 | 11.56 | 9.48 | 0.63 | 0.62 | 1.18 | 0.00 | 3.70 | 9.78 | 16.40 | 22.67 | 87.02 | |||||||||||||
| 1956 | 23.71 | 9.96 | 12.95 | 0.75 | 1.49 | 0.79 | 0.03 | 0.16 | 1.66 | 7.75 | 2.61 | 8.59 | 70.45 | |||||||||||||
| 1957 | 4.58 | 11.32 | 12.10 | 4.24 | 3.33 | 1.42 | 0.32 | 0.27 | 0.78 | a | 4.68 | 7.48 | 21.17 | 71.69 | ||||||||||||
| 1958 | 17.24 | 16.02 | 5.00 | 6.92 | 1.21 | 2.30 | 0.05 | 0.01 | 1.11 | 3.77 | 15.27 | 8.10 | 77.00 | |||||||||||||
| 1959 | 18.45 | 8.49 | 9.62 | 2.86 | 2.07 | 1.99 | 0.28 | 0.00 | 6.27 | 4.32 | 5.46 | 7.49 | 67.30 | |||||||||||||
| 1960 | 8.46 | 14.05 | 12.73 | 7.42 | 5.36 | 0.20 | 0.00 | 1.07 | 0.69 | 5.91 | 22.57 | 6.84 | 85.30 | |||||||||||||
| 1961 | 11.90 | 21.94 | 18.42 | 3.67 | 1.91 | x | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 55.93 | |||||
| 1962 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1963 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1964 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 1965 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | |
| 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 | 18.76 | 18.76 | ||
| 2002 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 1.62 | 1.89 | 0.06 | 0.22 | 1.04 | 0.49 | 7.88 | a | 20.52 | 33.72 | ||||||||
| 2003 | 15.68 | 5.54 | 14.41 | 9.69 | 2.18 | a | 0.21 | 0.06 | 0.10 | 1.66 | a | 4.17 | 10.52 | a | 14.82 | b | 79.04 | |||||||||
| 2004 | 9.86 | f | 9.37 | 4.32 | 4.75 | 2.36 | 1.63 | 0.00 | 2.53 | 3.08 | 6.51 | 3.06 | 10.22 | a | 47.83 | |||||||||||
| 2005 | 8.03 | 1.16 | 10.24 | 5.00 | 5.32 | 2.68 | 0.32 | 0.00 | 0.34 | 6.41 | 13.14 | 21.08 | 73.72 | |||||||||||||
| 2006 | 29.53 | 6.54 | a | 7.41 | 4.55 | 1.96 | 1.22 | 0.16 | 0.05 | 0.98 | 0.94 | 33.04 | a | 18.86 | a | 105.24 | ||||||||||
| 2007 | 8.75 | e | 12.54 | 5.25 | 4.70 | 1.27 | 1.15 | 0.56 | 0.81 | 1.12 | 8.56 | 8.15 | 19.28 | a | 72.14 | |||||||||||
| 2008 | 15.72 | a | 7.20 | 9.54 | 5.84 | 0.43 | 1.41 | 0.05 | 2.40 | 0.10 | 9.11 | 9.75 | 10.21 | e | 71.76 | |||||||||||
| 2009 | 10.65 | 5.54 | 8.34 | a | 3.32 | 6.67 | 1.90 | 0.48 | 0.15 | 1.62 | 0.00 | z | 15.13 | 10.39 | 64.19 | |||||||||||
| 2010 | 15.00 | 9.18 | 11.16 | 10.26 | 3.74 | 3.75 | 0.04 | 0.38 | 2.33 | 8.52 | 11.11 | a | 22.22 | 97.69 | ||||||||||||
| 2011 | 9.39 | 8.78 | 17.06 | 8.93 | 3.35 | 1.03 | 0.62 | 0.00 | 0.32 | 4.17 | 13.36 | 10.02 | 77.03 | |||||||||||||
| 2012 | 19.58 | 7.58 | g | 19.81 | 4.69 | 4.40 | 2.94 | o | 0.31 | 0.00 | 0.30 | 11.72 | 16.98 | 20.80 | 98.59 | |||||||||||
| 2013 | 3.76 | 5.48 | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 0.00 | z | 9.24 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 12.35 | 10.11 | 9.16 | 4.36 | 2.65 | 1.50 | 0.30 | 0.55 | 1.87 | 5.32 | 11.89 | 13.74 | 77.04 | |||||||||||||
| S.D. | 5.71 | 5.39 | 4.64 | 2.69 | 1.86 | 1.22 | 0.37 | 0.75 | 1.56 | 3.57 | 6.33 | 5.90 | 14.84 | |||||||||||||
| SKEW | 0.97 | 0.78 | 0.53 | 0.69 | 0.72 | 1.48 | 1.61 | 1.86 | 1.32 | 1.07 | 0.41 | 0.46 | -0.03 | |||||||||||||
| MAX | 29.53 | 25.33 | 21.27 | 11.37 | 7.42 | 5.61 | 1.55 | 2.97 | 7.42 | 17.33 | 33.04 | 31.83 | 105.24 | |||||||||||||
| MIN | 2.43 | 1.16 | 1.30 | 0.33 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.49 | 3.42 | 39.43 | |||||||||||||
| NO YRS | 61 | 59 | 56 | 61 | 61 | 58 | 62 | 63 | 62 | 61 | 61 | 59 | 40 | |||||||||||||