| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.33 | o | 41.86 | b | 37.73 | 37.03 | 38.88 | |||
| 1898 | 32.43 | a | 38.04 | 33.48 | 38.83 | 41.13 | 47.10 | a | 48.35 | 51.00 | 48.10 | 40.79 | b | 36.83 | a | 31.31 | b | 40.62 | ||||||||
| 1899 | 36.19 | 30.96 | 33.70 | a | 37.70 | 40.67 | a | 44.77 | 47.42 | 47.65 | 47.93 | 39.93 | b | 43.26 | g | 34.61 | c | 40.14 | ||||||||
| 1900 | 35.13 | a | 34.11 | a | 39.45 | 37.43 | 43.16 | 49.27 | 47.52 | 46.00 | 45.33 | 40.68 | 37.87 | 37.13 | 41.09 | |||||||||||
| 1901 | 30.81 | 33.61 | 34.48 | 35.67 | 43.06 | 43.47 | 44.55 | 48.42 | 43.68 | b | 45.18 | c | 37.93 | b | 34.03 | a | 39.57 | |||||||||
| 1902 | 30.97 | 38.71 | 34.58 | 36.80 | 43.17 | a | 43.30 | 48.39 | 46.32 | 43.53 | 43.03 | 37.79 | a | 33.71 | 40.03 | |||||||||||
| 1903 | 35.61 | 29.04 | 32.47 | a | 35.43 | 41.65 | 49.07 | 46.39 | 48.03 | 43.83 | 43.17 | h | 37.53 | 32.61 | 39.24 | |||||||||||
| 1904 | 32.87 | 32.64 | a | 34.71 | 41.07 | a | 40.35 | 43.87 | 48.10 | 47.06 | 45.70 | 42.93 | a | 41.97 | 35.32 | 40.55 | ||||||||||
| 1905 | 32.26 | 31.64 | 39.16 | 38.93 | 42.19 | 45.83 | 48.16 | 47.68 | 47.77 | 39.71 | 32.30 | 33.48 | 39.93 | |||||||||||||
| 1906 | 36.52 | 35.46 | 33.29 | 38.63 | 42.39 | 45.97 | 51.53 | a | 47.81 | 46.27 | 42.39 | 38.33 | 36.23 | 41.23 | ||||||||||||
| 1907 | 27.77 | 36.93 | 33.97 | 37.30 | 41.87 | 45.80 | 49.26 | 47.07 | d | 46.73 | ----- | z | 39.33 | c | 35.65 | e | 40.15 | |||||||||
| 1908 | 35.25 | k | 33.71 | h | 32.04 | g | 37.22 | c | 36.03 | 39.23 | q | ----- | z | 46.31 | r | 42.43 | 39.55 | 37.70 | 30.48 | 37.24 | ||||||
| 1909 | 25.68 | 35.43 | 34.06 | 34.23 | 37.74 | 43.10 | 45.32 | 42.61 | ----- | z | ----- | z | ----- | z | ----- | z | 37.27 | |||||||||
| 1910 | 30.84 | 31.64 | 39.00 | k | 38.15 | d | 43.88 | f | 39.43 | b | 43.97 | 41.97 | 42.63 | 43.16 | 36.60 | 34.53 | a | 38.29 | ||||||||
| 1911 | 29.45 | 30.00 | 32.74 | 32.13 | 39.55 | 40.53 | 47.23 | a | 46.10 | b | 43.64 | b | 39.11 | d | 37.00 | f | 32.19 | 37.52 | ||||||||
| 1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.07 | b | 35.48 | 36.28 | ||
| 1924 | 29.19 | e | 36.91 | g | 33.23 | e | 34.52 | g | 40.77 | 44.70 | 46.42 | 48.23 | r | 42.25 | b | 42.71 | 35.79 | a | 25.68 | 37.86 | ||||||
| 1925 | 36.32 | 38.82 | 41.55 | 43.73 | ----- | z | 43.52 | c | 46.94 | 45.23 | 44.67 | 38.65 | 35.83 | 34.74 | 40.91 | |||||||||||
| 1926 | 33.52 | 38.18 | 34.22 | v | 41.03 | a | 41.52 | 44.37 | 46.29 | 47.58 | 43.27 | 44.90 | 38.77 | 33.19 | j | 41.94 | ||||||||||
| 1927 | 32.58 | 35.32 | 32.65 | 36.53 | 39.87 | 45.90 | 45.39 | 46.58 | 46.23 | 40.13 | 39.80 | 29.68 | 39.22 | |||||||||||||
| 1928 | 31.94 | 31.69 | 38.84 | 38.23 | 40.81 | 45.80 | 47.94 | 44.19 | 42.27 | 40.35 | 35.90 | 29.94 | 38.99 | |||||||||||||
| 1929 | 25.58 | 24.54 | 34.32 | 34.53 | 39.10 | 44.30 | 44.84 | 45.55 | 43.73 | 40.03 | 28.27 | 35.58 | 36.70 | |||||||||||||
| 1930 | 20.26 | 35.61 | 36.19 | 40.17 | 37.39 | 43.10 | 43.71 | 48.03 | 46.60 | 38.55 | 34.00 | 30.77 | 37.86 | |||||||||||||
| 1931 | 34.35 | 32.93 | 38.06 | 39.60 | 42.68 | 47.23 | 46.84 | 45.42 | 45.73 | 41.90 | 33.87 | 33.52 | 40.18 | |||||||||||||
| 1932 | 31.19 | 33.57 | a | 39.19 | 39.17 | 40.87 | 45.57 | 44.65 | 48.03 | 42.27 | 41.68 | 38.53 | 28.23 | 39.41 | ||||||||||||
| 1933 | 31.65 | 29.25 | 35.71 | 35.03 | 40.35 | 44.10 | 45.87 | 48.74 | 44.17 | 42.19 | 33.37 | 40.23 | a | 39.22 | ||||||||||||
| 1934 | 38.00 | 36.32 | 40.00 | 41.27 | 43.74 | ----- | z | 46.68 | 46.29 | 45.80 | 45.19 | 40.97 | 34.45 | 41.70 | ||||||||||||
| 1935 | 30.19 | 34.64 | 32.00 | 36.93 | 38.26 | 46.34 | a | 47.45 | 48.19 | 47.90 | 40.16 | 32.50 | 30.57 | c | 38.76 | |||||||||||
| 1936 | 34.48 | 26.54 | a | 32.58 | 39.38 | a | 44.26 | 48.13 | 47.97 | 47.74 | 43.96 | b | 40.10 | 30.13 | 33.45 | 39.06 | ||||||||||
| 1937 | 22.03 | 30.82 | 37.90 | 36.53 | 42.13 | 49.20 | 49.29 | 48.32 | 48.03 | 45.65 | 39.86 | a | 34.50 | a | 40.36 | |||||||||||
| 1938 | 32.13 | 32.39 | 34.42 | 38.57 | 41.10 | 44.57 | 49.81 | 45.23 | 49.17 | 42.03 | 33.33 | 32.90 | 39.64 | |||||||||||||
| 1939 | 33.58 | 31.21 | 35.35 | 38.97 | 41.55 | 44.27 | 49.19 | 49.13 | 47.53 | 42.39 | 35.13 | 37.35 | 40.47 | |||||||||||||
| 1940 | 32.74 | 37.31 | 37.19 | 39.00 | 44.06 | 46.53 | 48.71 | 50.00 | 50.83 | 45.32 | 33.67 | 34.84 | 41.68 | |||||||||||||
| 1941 | 34.13 | a | 36.07 | 39.03 | b | 39.70 | 44.50 | a | 47.77 | 52.26 | 51.23 | a | 47.23 | 41.74 | 37.77 | 35.13 | 42.21 | |||||||||
| 1942 | 28.90 | 33.64 | 33.87 | 39.13 | 43.42 | 46.73 | 52.61 | 50.90 | 47.20 | 43.16 | 36.37 | 35.90 | 40.99 | |||||||||||||
| 1943 | 26.26 | 33.11 | 34.94 | 40.50 | 41.00 | 45.53 | 49.55 | 48.77 | 48.47 | 43.97 | 36.73 | 31.55 | 40.03 | |||||||||||||
| 1944 | 30.48 | 33.86 | 34.42 | 38.10 | 42.35 | ----- | z | 46.90 | 47.87 | 46.93 | 44.90 | 35.20 | 31.13 | 39.29 | ||||||||||||
| 1945 | 34.32 | ----- | z | 32.61 | 36.77 | 45.23 | 46.03 | 49.90 | 49.35 | 46.33 | 41.77 | 37.80 | 35.06 | 41.38 | ||||||||||||
| 1946 | 31.84 | 34.50 | 36.35 | 38.20 | 44.32 | 46.20 | 50.74 | 49.61 | 47.13 | 39.87 | 35.00 | 35.32 | 40.76 | |||||||||||||
| 1947 | 28.55 | 34.86 | 38.97 | 41.43 | 44.97 | 47.73 | 49.42 | 48.55 | 48.60 | 45.48 | 38.20 | 34.13 | 41.74 | |||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.70 | a | 49.03 | 46.40 | 40.52 | 34.23 | 28.84 | 41.29 | ||||||
| 1949 | 20.65 | 31.39 | 36.61 | 38.93 | 43.97 | 44.53 | 47.19 | 49.26 | 48.57 | 36.81 | 39.47 | 32.52 | 39.16 | |||||||||||||
| 1950 | 23.29 | 30.25 | 35.71 | 36.63 | 39.55 | 47.60 | 48.16 | 50.65 | 45.70 | 42.90 | 37.20 | 39.10 | 39.73 | |||||||||||||
| 1951 | 30.55 | 34.46 | 31.13 | 37.43 | 41.52 | 45.57 | 47.26 | 46.42 | 46.20 | 42.26 | 36.43 | 29.61 | 39.07 | |||||||||||||
| 1952 | 28.71 | 30.14 | 33.06 | 38.70 | 42.10 | 45.27 | 49.26 | 49.42 | 48.53 | 45.26 | 30.67 | 32.26 | 39.45 | |||||||||||||
| 1953 | 38.65 | 34.54 | 34.84 | 37.80 | 41.71 | 43.77 | 47.26 | 50.58 | 48.27 | 42.19 | 40.00 | 34.71 | 41.19 | |||||||||||||
| 1954 | 31.39 | 33.46 | 32.16 | 36.67 | 41.73 | a | 44.80 | 46.68 | 48.45 | 46.43 | 41.23 | 41.73 | 33.45 | 39.85 | ||||||||||||
| 1955 | 31.35 | 31.93 | 32.52 | 34.67 | 38.81 | 46.03 | 48.00 | 47.10 | 47.17 | 43.65 | 34.93 | 33.39 | 39.13 | |||||||||||||
| 1956 | 33.74 | 27.00 | 34.52 | 38.17 | 44.06 | 44.97 | 49.71 | 49.29 | 46.57 | 40.55 | 32.97 | 31.55 | 39.42 | |||||||||||||
| 1957 | 24.39 | 33.54 | 37.29 | 39.13 | 45.35 | 47.50 | 47.94 | 47.94 | 48.93 | a | 42.90 | 33.80 | 34.94 | 40.30 | ||||||||||||
| 1958 | 35.29 | 40.57 | 33.84 | 39.40 | 45.81 | 50.73 | 52.00 | 50.61 | 47.90 | 42.42 | 36.80 | 38.00 | 42.78 | |||||||||||||
| 1959 | 34.55 | 32.46 | 34.94 | 38.43 | 41.37 | a | 47.37 | 50.03 | 48.90 | 46.83 | 44.13 | 33.70 | 32.29 | 40.42 | ||||||||||||
| 1960 | 29.81 | 33.55 | 35.65 | 38.93 | 41.52 | 47.57 | 48.42 | 48.71 | 48.17 | 43.00 | 36.53 | 31.33 | a | 40.27 | ||||||||||||
| 1961 | 34.74 | 36.57 | 36.10 | 38.33 | 41.29 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.44 | |||||
| 1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.97 | a | 33.97 | |
| 2002 | ----- | z | ----- | z | ----- | z | ----- | z | 40.87 | 47.40 | 50.90 | 48.84 | 46.37 | 41.10 | 38.60 | 35.35 | 43.68 | |||||||||
| 2003 | 36.97 | 33.00 | 39.26 | 37.30 | 42.03 | 47.60 | 51.29 | 50.00 | 48.87 | 45.68 | 34.37 | 34.97 | 41.78 | |||||||||||||
| 2004 | 31.97 | 34.79 | 37.61 | 39.00 | 43.45 | 49.07 | 51.74 | 53.23 | 48.10 | 43.61 | 35.17 | 34.74 | 41.87 | |||||||||||||
| 2005 | 33.61 | 31.46 | 37.06 | 39.13 | 44.71 | 46.47 | 49.68 | 50.16 | 45.43 | 41.74 | 34.10 | 31.39 | 40.41 | |||||||||||||
| 2006 | 35.32 | 30.46 | 33.74 | 37.13 | 43.16 | 49.43 | 51.58 | 48.61 | 46.63 | 39.61 | 36.53 | 31.19 | 40.29 | |||||||||||||
| 2007 | 28.90 | 34.32 | 36.26 | 35.20 | 41.00 | 45.80 | 52.48 | 49.87 | 45.67 | 40.97 | 34.50 | 32.55 | 39.79 | |||||||||||||
| 2008 | 28.90 | 32.31 | 32.77 | 34.23 | 42.39 | 43.63 | 49.06 | 51.90 | 46.47 | 40.42 | 39.27 | 29.58 | 39.25 | |||||||||||||
| 2009 | 30.48 | 30.82 | 31.68 | 35.57 | 41.29 | 48.53 | 51.29 | 49.48 | 48.47 | ----- | z | 35.77 | 28.03 | 39.22 | ||||||||||||
| 2010 | 37.45 | 35.57 | 34.48 | 36.43 | 39.68 | 45.50 | 47.81 | 48.74 | 48.60 | 42.26 | 36.70 | 36.32 | 40.80 | |||||||||||||
| 2011 | 33.32 | 31.04 | 35.32 | 35.07 | 38.77 | 46.17 | 49.13 | 51.13 | 50.10 | 44.06 | 34.77 | 30.10 | 39.91 | |||||||||||||
| 2012 | 33.10 | 34.03 | 34.19 | 39.73 | 41.65 | 46.73 | 51.58 | 50.94 | 47.45 | a | 43.13 | 39.97 | 35.29 | 41.48 | ||||||||||||
| 2013 | 27.97 | 34.46 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.22 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 31.41 | 33.31 | 35.28 | 37.90 | 41.76 | 45.88 | 48.40 | 48.29 | 46.42 | 42.06 | 36.29 | 33.40 | 40.14 | |||||||||||||
| S.D. | 4.08 | 3.04 | 2.43 | 2.08 | 2.07 | 2.12 | 2.20 | 2.13 | 2.07 | 2.03 | 2.76 | 2.78 | 1.14 | |||||||||||||
| SKEW | -0.78 | -0.26 | 0.56 | -0.13 | -0.32 | -0.35 | 0.00 | -0.57 | -0.42 | -0.06 | -0.37 | -0.22 | -0.23 | |||||||||||||
| MAX | 38.65 | 40.57 | 41.55 | 43.73 | 45.81 | 50.73 | 52.61 | 53.23 | 50.83 | 45.68 | 41.97 | 40.23 | 42.78 | |||||||||||||
| MIN | 20.26 | 24.54 | 31.13 | 32.13 | 36.03 | 39.43 | 43.71 | 41.97 | 42.25 | 36.81 | 28.27 | 25.68 | 36.70 | |||||||||||||
| NO YRS | 61 | 59 | 58 | 60 | 59 | 58 | 61 | 60 | 61 | 59 | 61 | 63 | 46 | |||||||||||||