| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1892 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.80 | 32.68 | 33.90 | j | 23.68 | 32.05 | ||||
| 1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.53 | 50.97 | 49.65 | 46.00 | 36.87 | 30.43 | 32.50 | a | 41.42 | |||||||
| 1894 | 25.58 | 22.75 | 33.32 | 38.20 | 43.32 | 47.90 | 53.00 | 52.35 | k | ----- | z | 37.78 | d | 37.77 | 26.68 | 36.63 | ||||||||||
| 1895 | 22.71 | 30.82 | 29.77 | 37.53 | 43.16 | 48.80 | 53.61 | 50.77 | 43.03 | 33.58 | 30.13 | 29.39 | 37.78 | |||||||||||||
| 1896 | 31.03 | 33.24 | 31.74 | 36.73 | 43.16 | 47.50 | 55.58 | 50.16 | 40.70 | 35.13 | 26.70 | 31.97 | 38.64 | |||||||||||||
| 1897 | 25.23 | 29.32 | 29.48 | 39.23 | 44.37 | a | 47.43 | 48.61 | 49.97 | 43.57 | 33.61 | 31.40 | 27.13 | 37.45 | ||||||||||||
| 1898 | 25.65 | 34.68 | 28.52 | 35.57 | 41.89 | d | 56.00 | j | 51.23 | 54.26 | 42.40 | 35.13 | 32.23 | 21.84 | 36.67 | |||||||||||
| 1899 | 28.10 | 23.89 | 32.10 | 37.03 | 42.84 | 47.83 | 52.90 | 51.48 | 46.03 | 38.84 | 36.53 | 29.19 | 38.90 | |||||||||||||
| 1900 | 30.90 | 28.11 | 35.26 | 38.30 | 46.45 | 53.33 | 53.90 | 52.87 | 46.40 | 38.52 | 31.30 | 32.94 | 40.69 | |||||||||||||
| 1901 | 28.00 | 27.75 | 34.73 | a | 37.73 | 44.03 | 48.30 | 50.81 | 54.81 | 45.13 | 38.19 | 33.07 | 30.26 | 39.40 | ||||||||||||
| 1902 | 24.32 | 32.04 | 38.36 | f | 37.30 | j | 46.29 | 47.57 | 51.84 | 50.81 | 43.20 | ----- | z | 34.60 | 28.90 | 39.95 | ||||||||||
| 1903 | 31.58 | 21.50 | 30.58 | 35.07 | 41.71 | 52.63 | 52.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.00 | ||||||||
| 1904 | ----- | z | ----- | z | 33.39 | 40.80 | 40.26 | 43.80 | 54.84 | 48.42 | 42.30 | 38.81 | 32.73 | 29.61 | 40.50 | |||||||||||
| 1905 | 28.67 | a | 22.54 | 35.35 | 38.63 | 41.90 | 49.23 | 54.00 | 49.81 | 45.97 | 35.48 | 26.93 | 28.87 | 38.12 | ||||||||||||
| 1906 | 30.29 | 32.46 | 29.52 | 37.63 | 42.68 | 47.30 | 55.61 | 52.23 | 45.23 | 39.00 | 34.87 | 32.58 | 39.95 | |||||||||||||
| 1907 | 18.84 | 31.21 | 34.65 | 37.97 | 43.74 | 47.87 | 53.00 | 49.74 | 45.43 | 39.48 | 32.83 | 31.74 | 38.88 | |||||||||||||
| 1908 | 26.87 | 28.52 | 34.87 | 37.20 | 41.71 | 48.67 | 56.74 | 52.35 | 45.17 | 39.00 | 33.00 | 28.52 | 39.38 | |||||||||||||
| 1909 | 17.10 | 34.07 | 33.29 | 37.40 | 41.90 | 49.53 | 50.65 | 48.61 | 47.60 | 36.77 | 35.53 | 22.90 | 37.95 | |||||||||||||
| 1910 | 20.52 | 20.14 | 38.84 | 41.80 | 42.39 | 45.50 | 48.58 | 43.71 | 40.13 | 35.13 | 34.27 | 33.13 | 37.01 | |||||||||||||
| 1911 | 27.45 | 24.18 | 30.23 | 33.10 | 41.35 | 47.20 | 50.94 | 45.61 | 39.63 | 29.81 | 26.71 | f | ----- | z | 36.95 | |||||||||||
| 1912 | 24.36 | t | 32.07 | 29.23 | 36.33 | c | 42.84 | 48.00 | 51.58 | 50.74 | 40.10 | 33.23 | 33.80 | 29.21 | c | 38.83 | ||||||||||
| 1913 | 22.65 | 20.36 | 32.06 | 38.50 | 44.29 | 51.04 | b | 53.42 | 53.90 | 42.47 | 36.87 | 36.60 | 24.87 | 38.09 | ||||||||||||
| 1914 | 35.16 | 29.37 | a | 34.42 | 38.53 | 43.10 | 48.73 | 54.84 | 52.10 | a | 43.73 | 38.84 | 32.23 | 19.42 | 39.21 | |||||||||||
| 1915 | 25.48 | 33.89 | 34.71 | 40.73 | 44.87 | 47.43 | 53.97 | 53.81 | 44.87 | 37.23 | 32.77 | 28.94 | 39.89 | |||||||||||||
| 1916 | 11.15 | d | 25.86 | 35.37 | a | 37.77 | 39.61 | 46.47 | 51.16 | 50.29 | 42.83 | 30.42 | 26.33 | 24.26 | 35.13 | |||||||||||
| 1917 | 24.65 | 28.71 | 29.84 | 37.10 | 43.45 | 45.40 | 51.55 | 50.90 | 47.30 | 36.52 | 32.47 | 37.29 | 38.76 | |||||||||||||
| 1918 | 32.39 | 29.64 | 33.68 | 33.17 | 39.48 | 51.37 | 53.13 | 50.84 | 48.87 | 41.55 | 30.10 | 30.16 | 39.53 | |||||||||||||
| 1919 | 24.39 | 30.96 | 34.00 | 37.10 | a | 41.81 | 43.73 | 52.19 | 50.77 | 41.41 | a | 35.20 | a | 30.47 | 13.87 | 36.33 | ||||||||||
| 1920 | 24.81 | 26.31 | 35.19 | 37.00 | 40.58 | 46.10 | 53.61 | 52.52 | 46.78 | c | 39.60 | a | 30.80 | 31.10 | 38.70 | |||||||||||
| 1921 | 29.42 | 33.00 | 36.29 | 37.27 | 43.23 | 51.80 | 50.68 | 52.32 | 43.83 | 37.90 | 32.03 | 24.70 | a | 39.37 | ||||||||||||
| 1922 | 15.77 | a | 27.32 | 32.71 | 37.23 | 41.68 | 52.10 | 54.84 | 54.42 | 45.63 | 38.65 | 30.00 | 24.07 | a | 37.87 | |||||||||||
| 1923 | 33.63 | a | 20.63 | a | 33.74 | 38.77 | 45.48 | 50.64 | b | 56.00 | b | 53.87 | 45.63 | 38.03 | 34.10 | 29.65 | 40.02 | |||||||||
| 1924 | 21.10 | 35.66 | 32.45 | 35.60 | 44.45 | 49.73 | 54.42 | 50.81 | 45.90 | 39.84 | 34.77 | 17.58 | 38.53 | |||||||||||||
| 1925 | 33.61 | c | 37.19 | b | 33.46 | g | 42.00 | 46.22 | d | 52.69 | a | 55.32 | 50.37 | d | 46.03 | 35.71 | 32.50 | 34.03 | 42.33 | |||||||
| 1926 | 31.27 | e | 36.70 | a | 34.67 | a | 42.14 | b | ----- | z | ----- | z | 53.60 | u | 53.42 | 43.68 | b | 40.30 | a | 33.80 | 25.65 | 37.96 | ||||
| 1927 | 22.20 | a | 34.79 | 32.26 | 33.77 | 41.68 | 51.30 | 54.61 | 54.03 | b | 47.47 | 40.19 | 39.10 | 21.26 | 39.39 | |||||||||||
| 1928 | 24.06 | 27.52 | 36.90 | 38.10 | 44.59 | b | 50.66 | a | 57.83 | b | 50.73 | a | 44.71 | b | 41.69 | o | 34.82 | b | 26.31 | b | 39.66 | |||||
| 1929 | 17.58 | 14.64 | 36.66 | b | 36.47 | 43.13 | 50.83 | 52.74 | 54.03 | 44.97 | 35.68 | 23.07 | a | 31.28 | b | 36.76 | ||||||||||
| 1930 | 4.39 | 34.82 | 35.52 | 40.10 | 44.00 | 47.93 | a | 53.55 | 52.97 | 44.80 | 35.00 | 29.43 | 26.71 | 37.43 | ||||||||||||
| 1931 | 29.58 | 27.86 | 32.06 | 37.07 | 45.10 | 50.97 | 52.23 | 48.87 | 42.50 | 33.47 | a | 28.40 | 23.58 | 37.64 | ||||||||||||
| 1932 | 26.58 | 25.41 | 37.61 | 38.03 | 43.55 | 49.17 | a | 51.39 | 51.32 | 41.23 | 37.63 | a | 36.32 | b | 20.24 | b | 38.21 | |||||||||
| 1933 | 29.45 | 25.25 | 35.03 | 35.96 | b | 40.87 | 49.27 | 52.19 | 52.43 | a | 43.23 | 36.58 | 32.48 | a | 36.97 | 39.14 | ||||||||||
| 1934 | 33.84 | 32.21 | 36.48 | 42.87 | 45.68 | 50.43 | 52.39 | 49.84 | 42.33 | 39.81 | 39.57 | 33.10 | 41.55 | |||||||||||||
| 1935 | 26.58 | 30.93 | 32.03 | 34.83 | ----- | z | 49.24 | a | 51.58 | 48.16 | 42.97 | 34.26 | 26.53 | 28.90 | 36.91 | |||||||||||
| 1936 | 30.19 | 11.66 | 31.90 | 41.30 | 46.84 | 53.07 | 53.58 | 52.29 | 43.17 | 34.77 | 18.73 | 29.65 | 37.26 | |||||||||||||
| 1937 | 3.19 | 25.75 | 34.81 | 39.30 | 42.03 | 50.00 | 55.94 | 50.19 | 44.60 | 39.30 | a | 35.00 | 31.52 | 37.64 | ||||||||||||
| 1938 | 29.94 | 30.89 | 33.84 | 39.30 | 43.62 | b | 51.37 | 56.03 | b | 50.26 | 48.83 | 39.06 | 28.97 | 26.71 | 39.90 | |||||||||||
| 1939 | 29.97 | 26.29 | 35.06 | 36.93 | 44.13 | 48.53 | 54.55 | 50.61 | 43.87 | 37.23 | 25.67 | 31.65 | 38.71 | |||||||||||||
| 1940 | 26.23 | 33.93 | 36.23 | 40.47 | 45.58 | ----- | z | 55.74 | 49.78 | d | 52.00 | 42.03 | 26.97 | 26.13 | 39.55 | |||||||||||
| 1941 | 27.55 | 28.96 | 31.97 | 39.17 | 46.16 | 51.67 | 58.10 | 55.68 | 47.63 | 38.97 | 31.87 | 31.45 | 40.76 | |||||||||||||
| 1942 | 15.87 | 28.96 | 30.65 | 39.13 | 44.42 | 48.67 | 56.61 | 54.00 | 44.07 | 37.19 | 33.23 | 31.16 | 38.66 | |||||||||||||
| 1943 | 19.06 | 30.61 | 31.35 | 41.27 | 42.77 | 48.20 | 54.26 | 50.94 | 44.57 | 39.26 | 33.50 | 28.13 | 38.66 | |||||||||||||
| 1944 | 24.39 | 27.90 | 30.16 | 39.10 | 44.35 | 49.60 | 54.42 | 51.58 | 46.67 | 38.48 | 32.10 | 27.65 | 38.87 | |||||||||||||
| 1945 | 30.32 | 31.00 | 33.71 | 38.03 | 45.87 | 48.63 | 53.23 | 52.42 | 45.53 | 37.19 | 32.67 | 25.74 | 39.53 | |||||||||||||
| 1946 | 28.61 | 29.54 | 33.77 | 37.10 | 43.90 | 49.79 | a | 54.65 | 52.42 | 45.07 | 36.10 | 29.60 | 28.35 | 39.08 | ||||||||||||
| 1947 | 19.58 | 29.21 | 34.29 | 39.70 | 46.90 | 50.13 | 54.13 | 50.97 | 48.23 | 43.23 | 35.87 | 31.58 | 40.32 | |||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.45 | 52.65 | 44.20 | 34.10 | 31.63 | 23.74 | 39.96 | |||||||
| 1949 | 7.90 | 25.79 | d | 33.67 | a | 39.68 | b | 48.00 | 48.80 | 53.23 | 53.06 | 46.93 | 33.45 | 35.03 | 31.26 | 38.07 | ||||||||||
| 1950 | 7.57 | a | 24.07 | 33.42 | 36.80 | 42.61 | 52.20 | 55.58 | 53.97 | 45.67 | 42.77 | 35.40 | 34.06 | 38.68 | ||||||||||||
| 1951 | 27.10 | 28.96 | 30.61 | 34.53 | 43.42 | 48.80 | 54.32 | 51.71 | 44.47 | 39.58 | 31.30 | 24.39 | 38.27 | |||||||||||||
| 1952 | 21.90 | 29.76 | 33.32 | 37.33 | 45.68 | 50.37 | 53.77 | 53.48 | 46.63 | 37.52 | 23.77 | 29.39 | 38.58 | |||||||||||||
| 1953 | 38.25 | c | 32.11 | 33.97 | 38.57 | 42.61 | 46.93 | 50.93 | b | 53.35 | 44.47 | 36.06 | 33.90 | 32.42 | 40.30 | |||||||||||
| 1954 | 26.06 | 32.54 | 27.84 | 36.17 | 42.94 | 47.76 | a | 51.81 | 50.26 | 44.03 | 34.10 | 35.47 | 24.87 | 37.82 | ||||||||||||
| 1955 | 28.00 | 26.32 | 28.94 | 35.27 | 41.74 | 49.79 | f | 54.03 | a | 48.03 | 43.43 | 38.23 | 26.20 | 25.74 | 35.99 | |||||||||||
| 1956 | 25.32 | 20.86 | 32.06 | 37.23 | 47.87 | 47.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.10 | |||||||
| 1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 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 | 48.33 | a | 51.27 | 55.42 | ----- | z | 45.72 | a | ----- | z | 31.97 | a | 26.61 | 43.22 | ||||
| 1988 | 25.39 | 26.29 | a | 33.48 | d | 40.55 | a | 44.97 | a | 51.90 | 53.96 | e | 51.79 | c | 46.27 | d | 40.45 | 36.57 | 27.60 | a | 39.93 | |||||
| 1989 | 30.35 | 15.75 | 34.52 | 41.10 | 45.06 | 52.10 | 53.48 | 55.23 | 44.57 | 36.81 | 34.42 | f | 25.67 | j | 40.90 | |||||||||||
| 1990 | 32.74 | ----- | z | 33.06 | ----- | z | 46.68 | 53.37 | 57.94 | 57.45 | 48.47 | ----- | z | 36.67 | 15.32 | 42.41 | ||||||||||
| 1991 | 22.68 | 34.21 | 32.32 | 38.00 | 44.29 | 49.13 | 55.35 | 56.39 | 45.57 | 34.90 | 33.87 | 29.68 | 39.70 | |||||||||||||
| 1992 | 32.32 | 34.24 | 33.74 | 41.07 | 45.13 | 53.87 | 57.55 | 54.23 | 46.47 | 38.16 | 34.43 | 24.55 | 41.31 | |||||||||||||
| 1993 | 17.55 | 21.75 | 33.37 | a | 40.67 | 49.71 | 51.83 | 54.29 | 52.77 | 44.67 | 37.52 | 22.07 | 31.87 | 38.17 | ||||||||||||
| 1994 | 31.10 | 28.71 | 31.87 | 41.77 | 47.68 | 49.57 | 56.55 | 56.06 | n | 47.97 | 38.29 | 32.43 | 28.90 | 39.53 | ||||||||||||
| 1995 | 28.26 | 31.86 | 33.16 | 38.80 | 43.87 | 49.60 | 56.65 | 51.03 | 48.93 | 38.35 | 36.97 | 29.83 | b | 40.61 | ||||||||||||
| 1996 | 28.35 | 22.82 | a | 34.43 | a | 40.53 | 44.45 | 49.23 | 56.32 | 52.65 | 45.63 | 39.00 | 31.30 | 27.43 | a | 39.35 | ||||||||||
| 1997 | 23.87 | 30.25 | 35.71 | 37.23 | 44.61 | 48.83 | 52.29 | 54.19 | 46.23 | 37.03 | 32.47 | 28.35 | 39.26 | |||||||||||||
| 1998 | 28.03 | 31.11 | 33.55 | 37.13 | 44.13 | ----- | z | ----- | z | ----- | z | 49.67 | 35.23 | ----- | z | ----- | z | 36.98 | ||||||||
| 1999 | ----- | z | ----- | z | ----- | z | ----- | z | 42.82 | c | 51.33 | 53.43 | a | 58.25 | c | 42.54 | b | 34.97 | 37.00 | a | 32.29 | 44.08 | ||||
| 2000 | 29.81 | 31.66 | 33.61 | 39.55 | a | 48.45 | b | ----- | z | 55.16 | 51.70 | a | 47.10 | 37.68 | 28.10 | 27.60 | a | 39.13 | ||||||||
| 2001 | 28.87 | 28.36 | 33.14 | b | 37.97 | 45.21 | b | ----- | z | 56.38 | b | 55.23 | a | 47.68 | b | 37.44 | d | 33.81 | c | 31.14 | c | 39.57 | ||||
| 2002 | 30.06 | 27.75 | 32.39 | 38.30 | 44.61 | 53.67 | 58.16 | 52.61 | 45.23 | 31.94 | ----- | z | 32.26 | 40.63 | ||||||||||||
| 2003 | ----- | z | 28.82 | 38.61 | 39.47 | 45.19 | 51.93 | 57.97 | 55.97 | 49.07 | 40.90 | 27.83 | 29.19 | 42.27 | ||||||||||||
| 2004 | ----- | z | 31.10 | 36.45 | 38.63 | 47.84 | 52.73 | 57.71 | 58.52 | 47.77 | 40.13 | 31.20 | 29.81 | 42.90 | ||||||||||||
| 2005 | 27.61 | 23.00 | 34.90 | ----- | z | 48.97 | 50.40 | 56.23 | 53.90 | 43.53 | 39.00 | 31.50 | 23.32 | 39.31 | ||||||||||||
| 2006 | 33.65 | 25.46 | 34.13 | 38.93 | 45.87 | 52.43 | 57.13 | 52.56 | f | 45.87 | 35.84 | 34.17 | 27.16 | 39.15 | ||||||||||||
| 2007 | 23.84 | 30.79 | 35.23 | 37.83 | ----- | z | 52.30 | 58.48 | 52.97 | 44.93 | 37.58 | 29.80 | 29.71 | 39.41 | ||||||||||||
| 2008 | 24.29 | 31.79 | 31.38 | j | 35.79 | k | 45.92 | e | 48.08 | d | 55.55 | 54.94 | 43.00 | ----- | z | 34.42 | f | 22.85 | e | 40.80 | ||||||
| 2009 | 26.76 | f | 27.57 | 30.48 | 36.83 | 44.81 | d | 53.53 | 56.68 | i | 55.92 | f | 45.91 | g | 35.74 | 30.00 | h | 21.39 | 35.77 | |||||||
| 2010 | 32.50 | e | 31.96 | 32.74 | 38.43 | 43.65 | 50.16 | e | 54.03 | 53.44 | f | 49.33 | 40.52 | 29.67 | 28.61 | 39.24 | ||||||||||
| 2011 | 28.04 | e | 27.76 | c | 33.86 | c | 36.00 | c | 42.24 | b | 50.14 | b | 52.37 | a | 54.34 | b | 47.12 | d | 40.29 | c | 31.64 | e | 24.07 | b | 38.99 | |
| 2012 | 25.26 | 27.37 | b | 33.41 | b | 38.57 | b | 43.31 | b | 49.85 | c | 55.76 | b | 52.36 | c | 43.80 | e | 35.79 | c | 35.48 | g | 30.97 | a | 39.68 | ||
| 2013 | 24.14 | b | 28.13 | e | 33.86 | b | 37.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 16.00 | z | 28.71 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 25.59 | 28.38 | 33.36 | 38.17 | 44.14 | 49.61 | 54.09 | 52.13 | 45.08 | 37.24 | 31.94 | 27.92 | 38.82 | |||||||||||||
| S.D. | 6.66 | 4.84 | 2.23 | 2.05 | 2.14 | 2.33 | 2.21 | 2.51 | 2.39 | 2.61 | 3.83 | 4.34 | 1.22 | |||||||||||||
| SKEW | -1.33 | -0.92 | -0.17 | -0.06 | 0.30 | -0.35 | -0.07 | -0.21 | 0.03 | -0.35 | -0.84 | -0.75 | -0.27 | |||||||||||||
| MAX | 38.25 | 37.19 | 38.84 | 42.87 | 49.71 | 53.87 | 58.48 | 58.52 | 52.00 | 43.23 | 39.57 | 37.29 | 41.55 | |||||||||||||
| MIN | 3.19 | 11.66 | 27.84 | 33.10 | 39.48 | 43.53 | 48.58 | 43.71 | 39.63 | 29.81 | 18.73 | 13.87 | 35.13 | |||||||||||||
| NO YRS | 82 | 85 | 84 | 82 | 85 | 82 | 86 | 81 | 87 | 84 | 81 | 86 | 56 | |||||||||||||