| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1888 | ----- | z | 38.66 | 38.79 | 51.80 | 51.82 | 55.28 | 67.95 | 68.48 | ----- | z | ----- | z | 48.82 | 38.97 | 51.17 | ||||||||||
| 1889 | 17.42 | 31.27 | 47.73 | 56.17 | 55.73 | 67.62 | 70.16 | 67.89 | 54.35 | 56.89 | 34.68 | 31.29 | 49.27 | |||||||||||||
| 1890 | 9.92 | 24.16 | 33.13 | 45.30 | 56.26 | ----- | z | 69.58 | 66.44 | ----- | z | ----- | z | ----- | z | ----- | z | 43.54 | ||||||||
| 1891 | 20.69 | ----- | z | ----- | z | ----- | z | ----- | z | 54.20 | ----- | z | ----- | z | 54.95 | 41.19 | 35.48 | 15.92 | 37.07 | |||||||
| 1892 | 14.26 | ----- | z | 38.82 | ----- | z | 52.89 | 62.33 | 68.19 | 69.18 | ----- | z | ----- | z | 36.92 | 25.11 | 45.96 | |||||||||
| 1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.78 | 31.35 | 33.07 | |||
| 1894 | 24.02 | 14.48 | ----- | z | ----- | z | ----- | z | 57.12 | 68.47 | ----- | z | 60.22 | ----- | z | 40.88 | 23.76 | 41.28 | ||||||||
| 1895 | 23.65 | 24.64 | 36.16 | 41.88 | 46.05 | 55.85 | 65.50 | 65.44 | 54.98 | 43.58 | 30.40 | 19.89 | 42.33 | |||||||||||||
| 1896 | 25.63 | 36.74 | ----- | z | 41.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.87 | 26.34 | 33.07 | ||||||
| 1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.77 | 45.52 | 33.78 | 23.21 | 39.57 | |||||
| 1898 | 13.02 | 31.43 | 30.73 | 46.17 | 47.37 | ----- | z | 68.35 | 65.61 | 62.37 | ----- | z | 30.72 | 19.02 | 41.48 | |||||||||||
| 1899 | ----- | z | 32.00 | ----- | z | 41.43 | 41.34 | 53.88 | 66.56 | 60.35 | 57.90 | 46.98 | 46.65 | 27.94 | 47.50 | |||||||||||
| 1900 | 35.89 | 34.50 | 40.02 | 42.78 | 47.58 | 64.38 | 66.53 | 61.81 | 51.72 | 45.90 | 40.15 | 30.66 | 46.83 | |||||||||||||
| 1901 | 26.34 | 30.02 | 41.61 | 44.75 | 54.40 | 56.50 | 67.08 | 62.08 | 49.22 | 49.11 | 41.13 | 32.13 | 46.20 | |||||||||||||
| 1902 | 22.52 | 34.93 | 35.87 | 44.13 | 50.21 | 60.95 | 64.82 | 65.81 | 55.42 | 45.55 | ----- | z | 29.32 | 46.32 | ||||||||||||
| 1903 | 27.47 | 19.25 | 36.34 | 43.52 | 52.50 | 63.32 | 65.65 | 66.35 | 55.67 | 48.42 | 38.63 | 29.63 | 45.56 | |||||||||||||
| 1904 | 21.24 | 31.03 | 38.79 | 44.17 | 48.69 | 61.15 | 66.87 | 68.27 | 59.30 | ----- | z | ----- | z | ----- | z | 48.84 | ||||||||||
| 1905 | 29.32 | 36.04 | 42.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.89 | ||||
| 1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1909 | ----- | z | ----- | z | ----- | z | 42.38 | e | 54.55 | 63.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.36 | |||
| 1910 | 15.60 | 24.20 | 43.44 | 50.22 | 57.71 | 61.17 | a | 67.90 | 62.34 | 55.87 | 46.08 | 37.68 | 32.10 | a | 46.19 | |||||||||||
| 1911 | 25.55 | ----- | z | ----- | z | 42.58 | e | 50.35 | 60.40 | 68.05 | 62.73 | 54.78 | 45.97 | l | 31.55 | 21.13 | 46.35 | |||||||||
| 1912 | 26.81 | 32.21 | 35.73 | 40.75 | 50.58 | 61.05 | 64.94 | 63.08 | 51.55 | 42.61 | 36.95 | 25.65 | 44.32 | |||||||||||||
| 1913 | 20.53 | ----- | z | 37.29 | ----- | z | ----- | z | ----- | z | 66.73 | ----- | z | ----- | z | 45.97 | 39.83 | 20.21 | 38.43 | |||||||
| 1914 | 30.82 | 28.41 | 38.94 | 44.55 | 52.60 | 56.63 | 70.87 | 68.15 | 56.48 | 48.90 | 34.77 | 16.74 | 45.66 | |||||||||||||
| 1915 | 23.84 | 35.20 | 39.84 | 49.88 | 52.03 | 59.93 | 68.74 | 68.05 | 54.13 | 46.74 | 35.57 | 28.37 | 46.86 | |||||||||||||
| 1916 | 20.00 | 30.74 | 39.77 | 45.35 | 47.37 | 59.35 | 67.11 | 64.08 | 57.08 | 43.02 | 29.93 | 22.42 | 43.85 | |||||||||||||
| 1917 | 11.95 | 27.95 | 29.32 | 42.47 | 50.10 | 63.95 | 73.65 | ----- | z | 57.92 | 53.81 | 40.07 | 35.08 | 44.20 | ||||||||||||
| 1918 | 28.97 | 27.59 | 42.40 | 44.32 | 51.31 | 70.27 | 71.23 | 64.69 | 61.40 | 51.56 | 35.55 | 22.06 | 47.61 | |||||||||||||
| 1919 | 25.32 | 30.95 | 36.81 | 48.50 | 57.27 | 63.62 | 72.69 | 68.47 | 58.55 | 41.35 | 35.55 | 20.61 | 46.64 | |||||||||||||
| 1920 | 28.39 | 32.43 | 36.35 | 41.68 | 53.29 | 60.87 | 70.21 | 68.13 | 58.30 | 44.66 | 36.22 | 28.05 | 46.55 | |||||||||||||
| 1921 | 29.00 | 30.23 | 42.27 | 44.40 | 53.34 | 65.02 | 71.65 | 69.26 | 55.77 | 51.77 | 40.37 | 31.77 | 48.74 | |||||||||||||
| 1922 | 10.21 | 23.98 | 29.52 | 40.07 | 53.66 | 65.70 | 70.73 | 69.06 | 60.95 | 48.11 | 33.38 | 29.19 | 44.55 | |||||||||||||
| 1923 | 29.24 | 24.41 | 35.34 | 43.57 | 54.02 | 58.33 | 71.16 | 66.53 | 59.52 | 44.58 | 37.32 | 22.87 | 45.57 | |||||||||||||
| 1924 | 17.92 | 38.59 | 34.34 | 44.72 | 57.69 | 62.95 | 69.87 | 66.18 | 56.78 | 45.53 | 35.17 | 18.11 | 45.65 | |||||||||||||
| 1925 | 25.00 | 36.18 | 39.81 | 47.05 | 57.77 | 61.65 | 72.06 | 65.47 | 56.20 | 45.69 | 35.22 | 32.48 | 47.88 | |||||||||||||
| 1926 | 27.92 | 35.89 | 41.77 | 51.83 | 56.02 | 66.88 | 71.16 | 69.47 | 53.92 | 47.71 | 40.80 | 25.77 | 49.10 | |||||||||||||
| 1927 | 28.00 | 33.52 | 39.42 | 44.57 | 51.95 | 64.80 | 71.13 | 66.29 | 55.90 | 48.24 | 42.35 | 21.13 | 47.27 | |||||||||||||
| 1928 | 26.58 | 32.97 | 43.50 | 44.83 | 58.50 | 61.58 | 71.26 | 67.15 | 59.07 | 46.58 | 36.92 | 22.84 | 47.65 | |||||||||||||
| 1929 | 21.92 | 25.02 | 37.84 | 41.87 | 53.45 | 61.20 | 71.39 | 71.32 | 56.35 | 48.29 | 34.05 | 36.61 | 46.61 | |||||||||||||
| 1930 | 19.47 | 35.45 | 40.21 | 50.43 | 51.15 | 62.10 | 71.18 | 68.52 | 56.98 | 44.97 | 28.85 | 14.44 | 45.31 | |||||||||||||
| 1931 | 21.45 | 32.52 | 37.34 | 45.17 | 54.94 | 64.67 | 73.56 | 69.71 | 57.72 | 49.48 | 27.75 | 16.89 | 45.93 | |||||||||||||
| 1932 | 13.47 | 13.93 | 33.53 | 44.40 | 52.53 | 60.58 | 68.31 | 65.19 | 58.55 | 44.21 | 38.28 | 15.16 | 42.35 | |||||||||||||
| 1933 | 16.39 | 11.59 | 34.15 | 42.08 | 46.92 | 63.42 | 72.77 | 66.58 | 57.75 | 50.60 | 35.03 | 30.45 | 43.98 | |||||||||||||
| 1934 | 32.55 | 36.86 | 43.81 | 49.02 | 57.16 | 57.92 | 69.85 | 69.65 | 55.45 | 47.00 | 38.33 | 27.06 | 48.72 | |||||||||||||
| 1935 | 25.74 | 32.34 | 33.27 | 42.20 | 48.27 | 61.92 | 68.74 | 68.44 | 61.40 | 45.13 | 31.38 | 26.13 | 45.41 | |||||||||||||
| 1936 | 26.27 | 27.16 | 36.74 | 46.42 | 54.50 | 63.45 | 71.32 | 67.06 | 54.73 | 46.79 | 33.65 | 26.56 | 46.22 | |||||||||||||
| 1937 | 6.56 | 28.16 | 37.21 | 41.95 | 53.97 | 60.52 | 70.37 | 67.55 | 60.85 | 48.42 | 39.20 | 31.94 | 45.56 | |||||||||||||
| 1938 | 28.08 | 32.29 | 35.69 | 45.55 | 50.31 | 61.60 | 68.29 | 66.87 | 61.73 | 47.06 | 29.73 | 30.76 | 46.50 | |||||||||||||
| 1939 | 25.90 | 18.13 | a | 36.44 | 47.70 | 55.10 | 59.75 | 69.65 | 68.79 | 58.60 | 46.21 | 37.33 | 34.19 | 46.48 | ||||||||||||
| 1940 | 28.66 | 34.79 | 39.35 | 44.83 | 56.42 | 64.83 | 68.89 | 69.60 | 58.28 | 48.79 | 32.30 | 29.94 | 48.06 | |||||||||||||
| 1941 | 27.02 | 32.88 | 38.66 | 41.08 | 53.81 | 58.20 | 69.60 | 64.97 | 51.02 | 43.18 | 34.75 | 30.92 | 45.51 | |||||||||||||
| 1942 | 22.66 | 23.41 | 32.97 | 43.65 | 46.98 | 56.15 | 70.27 | 66.98 | 57.05 | 47.23 | 35.00 | 31.76 | 44.51 | |||||||||||||
| 1943 | 28.42 | 29.82 | 37.69 | 50.15 | 49.85 | 55.72 | 68.27 | 65.50 | 61.00 | 48.26 | 35.70 | 29.77 | 46.68 | |||||||||||||
| 1944 | 13.81 | 27.33 | 32.66 | 40.38 | 51.87 | 54.22 | 66.40 | 64.32 | 57.10 | 49.02 | 25.22 | 12.08 | 41.20 | |||||||||||||
| 1945 | 22.11 | 31.68 | 32.74 | 39.72 | 51.81 | 54.78 | 69.56 | 66.27 | 54.62 | 48.10 | 33.42 | 24.02 | 44.07 | |||||||||||||
| 1946 | 20.61 | 26.70 | 36.79 | 46.82 | 49.44 | 59.47 | 69.16 | 67.95 | 54.65 | 40.79 | 34.02 | 31.76 | 44.85 | |||||||||||||
| 1947 | 19.06 | 36.59 | 39.95 | 43.28 | 56.00 | 57.98 | 68.68 | 66.53 | 58.02 | 48.97 | 31.20 | 26.40 | 46.06 | |||||||||||||
| 1948 | 30.45 | 27.86 | 31.35 | 43.22 | 51.79 | 61.08 | 68.50 | 65.95 | 57.75 | 47.21 | 32.47 | 20.74 | 44.86 | |||||||||||||
| 1949 | 4.73 | 16.02 | 33.44 | 48.27 | 53.65 | 59.48 | 68.31 | 66.92 | 58.58 | 43.68 | 41.13 | 22.90 | 43.09 | |||||||||||||
| 1950 | 19.27 | 32.00 | 36.18 | 43.25 | 48.58 | 58.15 | 69.27 | 66.56 | 56.48 | 50.21 | 39.58 | 34.97 | 46.21 | |||||||||||||
| 1951 | 24.37 | 32.46 | 34.39 | 46.25 | 52.03 | 58.42 | 69.13 | 66.13 | 58.97 | 44.03 | 34.32 | 19.47 | 45.00 | |||||||||||||
| 1952 | 19.34 | 21.22 | 26.58 | 47.07 | 53.71 | 58.75 | 69.00 | 68.24 | 60.47 | 51.02 | 29.08 | 29.02 | 44.46 | |||||||||||||
| 1953 | 35.98 | 31.88 | 37.66 | 42.15 | 45.03 | 57.90 | 71.73 | 65.56 | 60.58 | 47.48 | 39.55 | 20.73 | 46.35 | |||||||||||||
| 1954 | 25.53 | 36.27 | 32.92 | 46.92 | 55.31 | 58.68 | 71.16 | 63.95 | 55.88 | 45.66 | 38.55 | 24.27 | 46.26 | |||||||||||||
| 1955 | 13.13 | 19.12 | 34.05 | 40.22 | 49.11 | 60.33 | 67.85 | 69.68 | 57.30 | 47.16 | 30.30 | 26.90 | 42.93 | |||||||||||||
| 1956 | 30.56 | 20.43 | 36.53 | 44.63 | 53.35 | 60.12 | 68.81 | 63.73 | 58.42 | 44.56 | 30.52 | 26.05 | 44.81 | |||||||||||||
| 1957 | 16.81 | 33.52 | 37.82 | 42.67 | 50.08 | 60.02 | 67.71 | 66.05 | 57.33 | 43.97 | 30.45 | 29.27 | 44.64 | |||||||||||||
| 1958 | 25.40 | 36.12 | 32.29 | 41.00 | 56.47 | 60.75 | 67.23 | 70.74 | 57.62 | 48.50 | 35.60 | 32.37 | 47.01 | |||||||||||||
| 1959 | 31.79 | 29.50 | 35.73 | 46.22 | 48.53 | 65.33 | 71.79 | 66.13 | 55.03 | 47.95 | 34.85 | 23.27 | 46.34 | |||||||||||||
| 1960 | 20.47 | 26.88 | 39.97 | 44.45 | 51.03 | 64.28 | 71.73 | 65.13 | 60.97 | 46.21 | 36.08 | 25.98 | 46.10 | |||||||||||||
| 1961 | 27.13 | 32.96 | 35.81 | 42.37 | 52.45 | 66.87 | 72.10 | 70.77 | 53.45 | 45.19 | 31.97 | 26.76 | 46.49 | |||||||||||||
| 1962 | 18.84 | 28.50 | 33.29 | 47.97 | 50.15 | 60.08 | 66.35 | 65.03 | 59.18 | 49.90 | 35.38 | 28.45 | 45.26 | |||||||||||||
| 1963 | 20.94 | 38.86 | 35.13 | 38.58 | 54.76 | 54.95 | 65.32 | 66.23 | 61.62 | 51.13 | 34.62 | 25.13 | 45.60 | |||||||||||||
| 1964 | 18.76 | 20.03 | 29.44 | 40.80 | 49.97 | 56.90 | 69.87 | 65.29 | 54.17 | 49.26 | 30.45 | 30.24 | 42.93 | |||||||||||||
| 1965 | 30.23 | 31.32 | 33.47 | 44.87 | 48.42 | 57.70 | 67.65 | 66.11 | 52.25 | 50.18 | 38.30 | 19.16 | 44.97 | |||||||||||||
| 1966 | 22.48 | 23.95 | 37.94 | 44.25 | 57.76 | 62.70 | 70.10 | 69.02 | 61.25 | 45.92 | 39.12 | 18.73 | 46.10 | |||||||||||||
| 1967 | 25.16 | 31.46 | 37.26 | 40.13 | 51.35 | 62.70 | 74.92 | 75.02 | 64.92 | 49.90 | 41.57 | 23.06 | 48.12 | |||||||||||||
| 1968 | 27.00 | 39.78 | 42.21 | 42.63 | 54.00 | 64.02 | 75.37 | 65.60 | 59.18 | 50.60 | 38.15 | 28.11 | 48.89 | |||||||||||||
| 1969 | 28.74 | 25.39 | 30.85 | 45.40 | 57.52 | 60.98 | 71.08 | 70.79 | 61.58 | 41.05 | 34.23 | 27.08 | 46.23 | |||||||||||||
| 1970 | 27.74 | 36.75 | 33.34 | 36.42 | 50.90 | 60.03 | 69.95 | 69.98 | 52.95 | 41.03 | 37.95 | 22.90 | 45.00 | |||||||||||||
| 1971 | 30.27 | 33.95 | 36.10 | 41.77 | 48.15 | 58.10 | 68.74 | 70.76 | 53.22 | 43.74 | 33.88 | 18.73 | 44.78 | |||||||||||||
| 1972 | 23.35 | 32.41 | 42.05 | 42.27 | 53.95 | 64.08 | 67.47 | 66.94 | 54.28 | 46.31 | 31.88 | 19.05 | 45.34 | |||||||||||||
| 1973 | 20.02 | 31.36 | 36.81 | 42.98 | 56.03 | 62.73 | 70.79 | 69.03 | 56.98 | 47.89 | 36.73 | 30.32 | 46.81 | |||||||||||||
| 1974 | 27.82 | 32.16 | 41.08 | 43.47 | 52.56 | 65.15 | 69.81 | 65.16 | 58.68 | 47.81 | 37.55 | 26.66 | 47.33 | |||||||||||||
| 1975 | 18.85 | 29.23 | 35.79 | 37.57 | 50.92 | 59.67 | 71.34 | 64.06 | 58.75 | 46.42 | 32.42 | 29.40 | 44.54 | |||||||||||||
| 1976 | 25.79 | 32.78 | 33.52 | 41.37 | 55.58 | 59.22 | 69.40 | 62.97 | 61.08 | 46.58 | 37.67 | 27.55 | 46.12 | |||||||||||||
| 1977 | 24.05 | 35.54 | 34.82 | 49.30 | 50.60 | 69.27 | 71.69 | 70.87 | 60.88 | 50.94 | 38.92 | 34.68 | 49.30 | |||||||||||||
| 1978 | 32.19 | 34.61 | 44.85 | 45.25 | 52.06 | 60.55 | 69.74 | 69.18 | 56.55 | 50.60 | 35.27 | 23.58 | 47.87 | |||||||||||||
| 1979 | 22.69 | 33.00 | 39.76 | 46.32 | 56.48 | 65.80 | 73.90 | 71.23 | 66.07 | 54.60 | 33.63 | 31.45 | 49.58 | |||||||||||||
| 1980 | 32.11 | 38.98 | 36.94 | 47.27 | 51.48 | 60.45 | 71.55 | 67.19 | 61.55 | 49.63 | 39.97 | 34.16 | 49.27 | |||||||||||||
| 1981 | 34.60 | 35.50 | 40.74 | 48.15 | 54.21 | 67.32 | 73.85 | 72.79 | 61.60 | 44.77 | 40.52 | 34.08 | 50.68 | |||||||||||||
| 1982 | 23.18 | 29.57 | 37.74 | 42.23 | 52.47 | 61.55 | 69.08 | 70.60 | 58.55 | 45.44 | 34.05 | 27.92 | 46.03 | |||||||||||||
| 1983 | 30.40 | 31.79 | 41.84 | 42.68 | 52.55 | 62.03 | 68.66 | 72.10 | 62.62 | 50.77 | 36.48 | 28.65 | 48.38 | |||||||||||||
| 1984 | 17.05 | 23.81 | 35.95 | 41.87 | 54.63 | 59.63 | 71.94 | 70.69 | 60.72 | 43.29 | 37.72 | 20.90 | 44.85 | |||||||||||||
| 1985 | 21.81 | 26.84 | 35.03 | 47.97 | 53.95 | 64.63 | 75.87 | 65.85 | 53.72 | 46.23 | 30.08 | 23.05 | 45.42 | |||||||||||||
| 1986 | 32.34 | 37.59 | 43.77 | 44.98 | 52.29 | 65.67 | 66.98 | 70.48 | 52.98 | 46.00 | 33.97 | 24.89 | 47.66 | |||||||||||||
| 1987 | 21.45 | 31.04 | 37.47 | 49.52 | 55.60 | 63.84 | a | 66.76 | 66.58 | 59.60 | 50.19 | 35.73 | 25.65 | 46.95 | ||||||||||||
| 1988 | 20.26 | 29.24 | 37.15 | 46.45 | 51.42 | 65.15 | 72.00 | 67.66 | 56.82 | 52.94 | 33.47 | 21.68 | 46.19 | |||||||||||||
| 1989 | 11.63 | 22.23 | 41.42 | 48.95 | 52.29 | 61.50 | 70.76 | 65.45 | 57.78 | 46.03 | 33.35 | 27.74 | 44.93 | |||||||||||||
| 1990 | 27.79 | 26.64 | 40.81 | 49.95 | 50.05 | 61.80 | 70.50 | 67.03 | 63.87 | 45.81 | 33.60 | 14.50 | 46.03 | |||||||||||||
| 1991 | 22.52 | 37.36 | 36.71 | 41.15 | 48.05 | 58.98 | 70.32 | 68.65 | 59.65 | 46.52 | 35.47 | 27.16 | 46.04 | |||||||||||||
| 1992 | 24.35 | 35.62 | 41.08 | 48.03 | 56.52 | 60.68 | 65.13 | 66.63 | 56.88 | 47.63 | 28.13 | 17.15 | 45.65 | |||||||||||||
| 1993 | 15.53 | 20.46 | 36.40 | 42.83 | 55.71 | 55.98 | 59.65 | 61.97 | 55.62 | 45.58 | 26.32 | 25.40 | 41.79 | |||||||||||||
| 1994 | 28.47 | 26.43 | 40.08 | 44.67 | 54.08 | 60.52 | 68.44 | 67.74 | 57.58 | 43.13 | 25.40 | 28.08 | 45.38 | |||||||||||||
| 1995 | 32.10 | 37.59 | 37.18 | a | 42.52 | 49.56 | 56.28 | 64.44 | 65.66 | 56.77 | 43.21 | 38.05 | 30.21 | 46.13 | ||||||||||||
| 1996 | 28.39 | 25.14 | 38.69 | 45.33 | 51.89 | 62.55 | 69.16 | 64.29 | 53.38 | 43.34 | 34.75 | 28.48 | 45.45 | |||||||||||||
| 1997 | 27.68 | 29.12 | 40.24 | 42.02 | 56.02 | 60.58 | 65.03 | 66.27 | 58.98 | 43.53 | 36.25 | 23.82 | 45.80 | |||||||||||||
| 1998 | 31.53 | 31.62 | 37.52 | 42.82 | 49.50 | 56.68 | 69.44 | 66.98 | 59.57 | 43.03 | 36.82 | 24.31 | 45.82 | |||||||||||||
| 1999 | 29.35 | 31.91 | 37.79 | 40.32 | 49.71 | 59.22 | 65.98 | 64.90 | 55.80 | 45.60 | 39.33 | 25.50 | 45.45 | |||||||||||||
| 2000 | 29.97 | 35.95 | 37.27 | 48.38 | 53.58 | 61.72 | 66.06 | 67.29 | 55.38 | 43.69 | 27.50 | 26.52 | 46.11 | |||||||||||||
| 2001 | 20.47 | 27.25 | 41.03 | 44.75 | 58.35 | 64.30 | 71.06 | 72.05 | 62.33 | 49.18 | 36.77 | 23.69 | 47.60 | |||||||||||||
| 2002 | 23.13 | 24.34 | 34.47 | 46.27 | 51.87 | 63.73 | 73.56 | 66.10 | 59.53 | 43.32 | 35.70 | 31.56 | 46.13 | |||||||||||||
| 2003 | 36.21 | 30.48 | 39.45 | 43.18 | 53.63 | 64.08 | 74.23 | 70.98 | 59.82 | 52.03 | 32.43 | 30.15 | 48.89 | |||||||||||||
| 2004 | 16.52 | 24.43 | 43.50 | 46.87 | 53.12 | a | 64.00 | 71.30 | a | 67.15 | 57.27 | 46.89 | 34.17 | 29.27 | 46.21 | |||||||||||
| 2005 | 20.47 | 23.66 | 37.27 | 44.58 | 54.08 | 58.97 | 73.06 | 69.05 | 56.25 | 47.65 | 37.25 | 29.10 | 45.95 | |||||||||||||
| 2006 | 31.50 | 31.00 | 34.45 | 47.27 | 57.05 | 66.58 | 75.32 | 67.79 | 58.32 | 45.68 | 34.88 | 25.08 | 47.91 | |||||||||||||
| 2007 | 16.23 | 32.98 | 42.77 | 46.47 | 56.03 | 65.08 | 75.81 | 70.48 | 58.78 | 46.15 | 35.80 | 25.45 | 47.67 | |||||||||||||
| 2008 | 17.39 | 26.14 | 36.45 | 40.88 | 52.73 | 61.63 | 71.45 | 70.32 | 60.37 | 47.58 | 41.58 | 24.26 | 45.90 | |||||||||||||
| 2009 | 28.13 | 32.05 | 37.90 | 44.22 | 57.24 | 61.72 | 71.61 | 67.50 | 63.70 | 43.60 | 34.57 | 16.02 | 46.52 | |||||||||||||
| 2010 | 25.85 | 32.27 | 37.23 | 42.82 | 46.84 | 62.62 | 71.74 | 67.74 | 60.45 | 50.39 | 32.57 | 30.27 | 46.73 | |||||||||||||
| 2011 | 28.05 | 31.38 | 39.29 | 41.23 | 49.06 | 59.97 | 71.84 | 71.23 | 62.65 | 48.87 | 33.63 | 25.26 | 46.87 | |||||||||||||
| 2012 | 29.08 | 30.69 | 40.35 | 48.80 | 54.35 | 64.32 | 74.18 | 73.56 | 63.05 | 49.16 | 40.35 | 29.74 | 49.80 | |||||||||||||
| 2013 | 14.92 | 28.80 | 41.58 | 41.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.00 | z | 28.43 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 23.76 | 29.90 | 37.42 | 44.52 | 52.54 | 61.19 | 69.72 | 67.33 | 57.83 | 46.96 | 35.36 | 26.06 | 46.13 | |||||||||||||
| S.D. | 6.36 | 5.75 | 3.68 | 3.24 | 3.24 | 3.37 | 2.73 | 2.65 | 3.12 | 3.02 | 4.01 | 5.28 | 1.72 | |||||||||||||
| SKEW | -0.52 | -0.81 | -0.12 | 0.52 | -0.43 | 0.02 | -0.25 | 0.10 | -0.03 | 0.37 | 0.08 | -0.30 | -0.06 | |||||||||||||
| MAX | 36.21 | 39.78 | 47.73 | 56.17 | 58.50 | 70.27 | 75.87 | 75.02 | 66.07 | 56.89 | 48.82 | 38.97 | 50.68 | |||||||||||||
| MIN | 4.73 | 11.59 | 26.58 | 36.42 | 41.34 | 53.88 | 59.65 | 60.35 | 49.22 | 40.79 | 25.22 | 12.08 | 41.20 | |||||||||||||
| NO YRS | 118 | 116 | 115 | 115 | 115 | 115 | 116 | 113 | 114 | 111 | 117 | 118 | 105 | |||||||||||||