| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.52 | a | 79.52 | 73.68 | 75.57 | 59.98 | 54.10 | 42.57 | b | 65.99 | ||||||
| 1900 | 46.36 | c | 48.93 | 56.82 | a | 55.72 | a | 63.60 | a | 74.79 | b | ----- | z | ----- | z | ----- | z | ----- | z | 56.16 | a | ----- | z | 57.48 | ||
| 1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.77 | 69.24 | a | 67.26 | 55.98 | a | 44.68 | 63.59 | ||||
| 1902 | 41.08 | 48.41 | 48.53 | 57.32 | 63.65 | a | 74.88 | 77.34 | 76.60 | a | 74.52 | 63.02 | 50.10 | 44.65 | 60.01 | |||||||||||
| 1903 | 41.34 | 42.73 | ----- | z | 55.77 | 66.52 | 80.02 | 77.95 | b | 80.02 | c | 72.82 | 61.71 | 50.77 | 43.37 | 61.18 | ||||||||||
| 1904 | 44.82 | 53.09 | a | 56.71 | 58.77 | b | 68.63 | 72.72 | 76.15 | a | 80.52 | 76.93 | ----- | z | 54.77 | 46.10 | 62.65 | |||||||||
| 1905 | 49.37 | 52.75 | 56.90 | 61.16 | a | 63.98 | 73.07 | ----- | z | 74.71 | c | 69.32 | 62.53 | 52.08 | 43.90 | a | 59.98 | |||||||||
| 1906 | 48.40 | 54.89 | 53.56 | 58.60 | a | 62.21 | c | 69.67 | 84.13 | 80.50 | 72.85 | 65.58 | a | 51.93 | 45.56 | 62.33 | ||||||||||
| 1907 | 43.35 | 54.34 | 52.27 | a | 61.03 | 64.58 | a | 71.40 | d | 79.53 | 74.66 | ----- | z | 62.56 | e | ----- | z | 46.95 | c | 61.07 | ||||||
| 1908 | 46.30 | a | 45.34 | 53.39 | ----- | z | 60.08 | 67.80 | 83.55 | 79.50 | a | 71.48 | 58.42 | 51.58 | 43.35 | 60.07 | ||||||||||
| 1909 | 48.47 | 48.09 | 50.50 | 63.30 | 61.56 | 66.10 | 77.27 | 74.19 | 70.18 | 61.23 | 51.33 | 50.58 | 60.23 | |||||||||||||
| 1910 | 48.66 | 49.23 | ----- | z | ----- | z | ----- | z | 74.52 | 77.48 | 75.40 | 69.98 | 65.21 | 53.63 | 47.42 | 62.39 | ||||||||||
| 1911 | 48.06 | 47.29 | 53.37 | 56.08 | 62.74 | 75.33 | 80.85 | 73.27 | 68.32 | 61.81 | 52.97 | 47.56 | 60.64 | |||||||||||||
| 1912 | 46.66 | 47.93 | 52.11 | 55.62 | 67.26 | 76.43 | 81.56 | 77.40 | 73.82 | 61.05 | 54.72 | a | 48.29 | 61.91 | ||||||||||||
| 1913 | 48.11 | 50.98 | 53.85 | 59.02 | 66.31 | 70.25 | 78.23 | 80.26 | 74.82 | 65.19 | 54.73 | 46.61 | 62.36 | |||||||||||||
| 1914 | 50.32 | 52.12 | 57.18 | 60.53 | 68.02 | 71.88 | 77.95 | 77.42 | 68.92 | 62.66 | 54.60 | 43.87 | 62.12 | |||||||||||||
| 1915 | 46.32 | 51.04 | 56.13 | 58.63 | 61.55 | 72.92 | 78.05 | 78.50 | 70.95 | 64.55 | 52.03 | 46.82 | 61.46 | |||||||||||||
| 1916 | 43.90 | 53.28 | 55.39 | 59.88 | 62.85 | 71.37 | 76.60 | 75.10 | 70.74 | a | 57.60 | 48.77 | 43.10 | 59.88 | ||||||||||||
| 1917 | 40.97 | 49.39 | 49.79 | 57.42 | 60.77 | 75.30 | 83.05 | 77.60 | 73.00 | 65.77 | 54.02 | 47.40 | 61.21 | |||||||||||||
| 1918 | 45.08 | 48.75 | 54.05 | 58.57 | 62.24 | 79.72 | 77.27 | 75.74 | 69.68 | 63.76 | 50.23 | 42.65 | 60.65 | |||||||||||||
| 1919 | 44.23 | 47.43 | 50.02 | 58.98 | 67.50 | 73.13 | 79.47 | 77.07 | a | 70.67 | 58.76 | 49.10 | 45.06 | 60.12 | ||||||||||||
| 1920 | 45.47 | 49.05 | 50.16 | 57.25 | 66.26 | 73.97 | 76.58 | 78.90 | 69.82 | 58.31 | 51.13 | 46.31 | 60.27 | |||||||||||||
| 1921 | 46.00 | 50.41 | 56.03 | 58.88 | 62.40 | 75.37 | 80.45 | 76.45 | 69.60 | 63.31 | 53.15 | 47.82 | 61.66 | |||||||||||||
| 1922 | 40.55 | 48.21 | 50.23 | 55.70 | 66.29 | 74.00 | 80.53 | 76.18 | 75.98 | 61.84 | 48.18 | 47.81 | 60.46 | |||||||||||||
| 1923 | 44.24 | 47.57 | 54.19 | 56.23 | 64.39 | 68.53 | 77.82 | 76.31 | 74.63 | 61.34 | 54.80 | 43.39 | 60.29 | |||||||||||||
| 1924 | 44.42 | 54.47 | 50.81 | 61.02 | 71.02 | 75.33 | 77.73 | 76.73 | 73.18 | 60.34 | 51.93 | 44.76 | 61.81 | |||||||||||||
| 1925 | 46.00 | 52.39 | 53.13 | 58.60 | 67.15 | 76.47 | 81.00 | 75.97 | 68.03 | 61.10 | 51.68 | 45.56 | 61.42 | |||||||||||||
| 1926 | 41.42 | 52.52 | 58.76 | 65.75 | 69.71 | 78.07 | 80.87 | 78.24 | 69.25 | 64.71 | 58.47 | 45.52 | 63.61 | |||||||||||||
| 1927 | 47.06 | 52.34 | 52.23 | 57.92 | 67.68 | 75.35 | 82.53 | 77.03 | 69.72 | 65.15 | 53.48 | 45.58 | 62.17 | |||||||||||||
| 1928 | 45.21 | 50.02 | 57.58 | 59.68 | 71.92 | 76.43 | 78.13 | 77.69 | 73.20 | 62.79 | 53.18 | 43.05 | 62.41 | |||||||||||||
| 1929 | 41.71 | 47.88 | 53.61 | 55.95 | 68.02 | 73.12 | 78.98 | 79.40 | ----- | z | 63.90 | 52.38 | 49.15 | 60.37 | ||||||||||||
| 1930 | 44.23 | 53.12 | 54.48 | 60.57 | 62.31 | 74.28 | 78.69 | 76.39 | 69.97 | 61.21 | 53.08 | 42.73 | 60.92 | |||||||||||||
| 1931 | 46.45 | 51.07 | 54.21 | 63.83 | 71.44 | 72.25 | 84.24 | 80.37 | 69.45 | 62.15 | 51.07 | 45.19 | 62.64 | |||||||||||||
| 1932 | 43.52 | 47.31 | 54.29 | 57.50 | 67.34 | 74.22 | 78.27 | 76.15 | 74.37 | 62.48 | 57.60 | 41.24 | 61.19 | |||||||||||||
| 1933 | 42.08 | 46.02 | 54.11 | 59.10 | 61.58 | 72.03 | 82.66 | 78.81 | 69.47 | 68.18 | 53.77 | 44.97 | 61.06 | |||||||||||||
| 1934 | 44.92 | a | 51.86 | 58.98 | 64.58 | 69.42 | 71.57 | 78.69 | 77.29 | 72.43 | 63.31 | 53.28 | 45.40 | 62.64 | ||||||||||||
| 1935 | 45.02 | 48.23 | 48.61 | 57.68 | 65.26 | 79.18 | 77.52 | 78.65 | 72.45 | 61.24 | 48.87 | 45.84 | 60.71 | |||||||||||||
| 1936 | 47.39 | 48.57 | 54.21 | 59.12 | 67.65 | 74.07 | a | 81.10 | 79.52 | 73.33 | 64.73 | 52.12 | 43.60 | 62.12 | ||||||||||||
| 1937 | 37.69 | 48.12 | 52.79 | 56.37 | 66.98 | 71.97 | 81.06 | 79.06 | 72.08 | 64.35 | 53.77 | 47.35 | 60.97 | |||||||||||||
| 1938 | 43.40 | 49.09 | 50.82 | 57.53 | 66.40 | 74.88 | 79.23 | 76.68 | 73.90 | 61.74 | 48.53 | 46.98 | 60.77 | |||||||||||||
| 1939 | 45.02 | 44.61 | 52.63 | 63.22 | 67.42 | 74.17 | 77.23 | 76.84 | 72.97 | 61.27 | 52.62 | 46.84 | 61.23 | |||||||||||||
| 1940 | 47.40 | 51.10 | 55.26 | 60.20 | 69.42 | 77.72 | 77.95 | 77.69 | 69.92 | 62.31 | 50.03 | 48.52 | 62.29 | |||||||||||||
| 1941 | 48.82 | 51.82 | 55.42 | 56.65 | 67.16 | 71.28 | 79.23 | 73.55 | 69.10 | 60.47 | 52.92 | 49.35 | 61.31 | |||||||||||||
| 1942 | 47.37 | 48.43 | 52.84 | 59.07 | 63.32 | 72.43 | 78.71 | 76.55 | 70.83 | 63.80 | a | 53.47 | ----- | z | 62.44 | |||||||||||
| 1943 | 45.77 | a | 50.39 | 54.44 | 58.90 | 67.48 | 68.68 | 76.69 | 72.70 | a | 72.40 | 61.82 | 52.98 | 46.84 | 60.76 | |||||||||||
| 1944 | 46.60 | 48.02 | 52.85 | 55.87 | 66.40 | 69.37 | 75.57 | x | 74.27 | 72.63 | 64.08 | 50.50 | 46.32 | 58.81 | ||||||||||||
| 1945 | 42.81 | 49.82 | 49.29 | 58.62 | 64.32 | 72.98 | 79.69 | 75.28 | a | 72.37 | 64.96 | s | 50.59 | a | 46.23 | 60.18 | ||||||||||
| 1946 | 43.10 | 46.04 | 52.98 | 61.20 | 65.73 | 71.02 | 77.05 | 75.84 | 71.18 | 58.44 | 47.67 | 44.52 | 59.56 | |||||||||||||
| 1947 | 39.24 | 50.14 | 55.61 | 62.15 | 70.07 | d | 73.23 | 74.60 | 73.90 | 72.97 | 62.35 | 47.68 | 43.27 | 60.44 | ||||||||||||
| 1948 | 48.00 | 45.79 | 50.11 | 56.90 | 62.73 | 72.10 | 75.34 | 73.74 | 69.93 | 61.40 | 50.00 | 42.26 | 59.03 | |||||||||||||
| 1949 | 36.58 | g | 44.43 | a | 52.29 | 62.75 | 65.85 | a | 73.80 | 76.55 | a | 73.26 | 72.20 | 60.19 | e | 55.35 | 43.32 | 61.82 | ||||||||
| 1950 | 41.48 | 50.00 | 54.15 | 62.33 | a | 67.00 | f | 72.05 | 79.19 | 77.70 | a | 71.03 | a | 64.17 | d | 56.97 | 50.39 | 61.77 | ||||||||
| 1951 | 47.96 | s | 49.32 | 53.23 | 60.57 | 67.19 | 72.13 | 76.65 | 75.48 | 73.17 | 62.84 | 55.28 | 45.50 | 62.85 | ||||||||||||
| 1952 | 45.76 | 50.31 | 51.19 | 60.53 | 68.63 | 68.53 | 80.00 | 76.87 | 73.97 | 67.06 | 51.65 | 48.06 | 61.88 | |||||||||||||
| 1953 | 50.37 | a | 50.18 | 53.65 | 59.80 | 62.48 | 69.22 | 80.59 | b | 74.56 | 74.85 | 63.39 | h | 54.58 | 46.16 | 61.49 | ||||||||||
| 1954 | 46.38 | g | 49.79 | 52.23 | 63.88 | a | 68.37 | 72.32 | e | 80.53 | 74.18 | 70.63 | 63.45 | b | 52.67 | 43.52 | f | 64.80 | ||||||||
| 1955 | 43.19 | g | 47.67 | a | 53.20 | c | 56.03 | a | 68.88 | j | 71.25 | d | 76.19 | 78.34 | 73.13 | 63.26 | h | 51.32 | b | 50.91 | h | 63.39 | ||||
| 1956 | 48.88 | f | 46.97 | 55.16 | 60.24 | a | 66.27 | 73.63 | c | 78.14 | f | 74.43 | a | 72.91 | a | 61.88 | c | 53.97 | l | 45.35 | h | 63.94 | ||||
| 1957 | 42.57 | b | 53.09 | a | 55.05 | c | 61.16 | a | 65.68 | a | 77.52 | i | 76.96 | d | 73.90 | k | 71.45 | b | 60.72 | d | 50.96 | b | 44.60 | b | 58.23 | |
| 1958 | 47.78 | d | 54.40 | b | 51.40 | 59.43 | 69.35 | 72.26 | a | 77.70 | d | 81.10 | 72.76 | a | 66.48 | c | 52.04 | b | 49.00 | 62.81 | ||||||
| 1959 | 48.69 | 48.42 | c | 57.09 | c | 64.20 | 65.48 | b | 74.60 | e | 79.81 | d | 76.19 | d | 70.03 | 65.60 | b | 53.28 | 45.84 | 62.44 | ||||||
| 1960 | 46.28 | a | 50.34 | a | 57.21 | 59.45 | a | 65.34 | 77.66 | e | 80.85 | a | 77.42 | a | 73.57 | a | 62.67 | a | 51.12 | b | 43.84 | 62.15 | ||||
| 1961 | 43.16 | c | 52.34 | 54.26 | 61.25 | 63.97 | a | 78.00 | d | 81.19 | e | 80.71 | c | 72.18 | 64.50 | b | 52.67 | a | 44.68 | 62.41 | ||||||
| 1962 | 41.18 | a | 47.88 | 51.65 | 63.33 | 63.71 | 73.22 | 77.13 | 76.25 | c | 72.38 | b | 62.81 | 54.88 | a | 45.95 | a | 60.86 | ||||||||
| 1963 | 41.86 | b | 56.91 | 53.71 | 55.66 | b | 66.63 | a | 71.55 | b | 75.31 | b | 76.07 | a | 74.75 | 64.94 | 51.43 | 39.47 | 60.69 | |||||||
| 1964 | 43.90 | 47.98 | 53.10 | a | 59.19 | d | 64.07 | a | 72.33 | 79.29 | 78.40 | 70.48 | 67.32 | 51.13 | 50.15 | 61.45 | ||||||||||
| 1965 | 46.76 | 49.36 | 54.66 | 59.23 | 65.90 | 69.25 | 77.00 | 77.11 | 68.02 | 65.66 | 54.84 | a | 42.85 | 60.89 | ||||||||||||
| 1966 | 46.15 | a | 48.73 | 56.80 | a | 63.98 | a | 69.26 | 73.61 | b | 77.13 | a | 80.55 | b | 73.27 | 64.98 | 56.33 | 46.02 | a | 63.07 | ||||||
| 1967 | 45.68 | a | 48.41 | 53.20 | a | 50.96 | b | 66.41 | b | 71.16 | a | 82.45 | 82.55 | 76.32 | 66.40 | 57.79 | a | 43.95 | a | 62.11 | ||||||
| 1968 | 45.00 | b | 56.95 | a | 56.94 | 61.67 | a | 66.89 | 75.90 | 78.52 | b | 74.34 | 73.16 | b | 63.92 | 53.43 | a | 45.06 | 62.65 | |||||||
| 1969 | 45.44 | 46.81 | b | 54.19 | 59.69 | a | 68.39 | h | 70.88 | b | 78.77 | 78.58 | 74.45 | a | 59.47 | b | 52.66 | b | 45.82 | a | 60.61 | |||||
| 1970 | 46.48 | b | 52.37 | a | 55.15 | 57.09 | c | 69.95 | 74.34 | a | 81.48 | 77.82 | a | 73.27 | 63.29 | b | 54.72 | 46.34 | c | 62.69 | ||||||
| 1971 | 46.08 | a | 47.57 | 54.00 | 58.83 | d | 63.73 | 72.64 | b | 79.53 | 78.91 | b | 73.35 | 61.43 | a | 50.39 | b | 42.19 | d | 60.72 | ||||||
| 1972 | 41.67 | a | 52.66 | 61.35 | 60.77 | 70.42 | 76.70 | 79.45 | 78.00 | 72.00 | 63.26 | 50.06 | d | 41.19 | 62.29 | |||||||||||
| 1973 | 45.80 | a | 51.14 | 51.26 | 61.13 | 71.34 | 76.66 | a | 78.29 | 76.81 | 70.85 | 62.98 | 52.70 | 47.06 | 62.17 | |||||||||||
| 1974 | 47.98 | 49.75 | 55.25 | a | 59.07 | 67.40 | 74.72 | a | 78.15 | 76.85 | 74.80 | 64.77 | 52.34 | a | 44.48 | 62.13 | ||||||||||
| 1975 | 42.47 | a | 49.14 | 51.53 | 55.08 | 68.65 | 73.95 | 76.69 | 75.34 | 74.28 | a | 61.39 | 51.83 | c | 43.67 | d | 60.33 | |||||||||
| 1976 | 44.21 | 51.02 | 53.11 | 56.48 | 69.18 | 74.04 | b | 78.71 | 73.00 | 71.83 | a | 64.63 | 54.43 | 44.00 | 61.22 | |||||||||||
| 1977 | 41.90 | 50.91 | 50.31 | 62.10 | 61.06 | 76.70 | 78.18 | 76.85 | 71.55 | 63.81 | 53.57 | 49.89 | 61.40 | |||||||||||||
| 1978 | 49.23 | 50.11 | 57.02 | 55.00 | 65.24 | 71.16 | a | 77.61 | c | 75.40 | 69.42 | 65.58 | 49.75 | 40.18 | 60.47 | |||||||||||
| 1979 | 44.73 | 48.16 | 54.58 | 56.68 | 67.68 | i | 73.02 | g | 77.81 | g | 71.40 | a | 73.10 | e | 65.43 | c | 52.43 | 47.74 | 57.14 | |||||||
| 1980 | 50.11 | 52.98 | 52.66 | 59.36 | a | 63.71 | b | 69.77 | 79.53 | a | 76.42 | a | 71.90 | e | 65.23 | 54.12 | 46.42 | a | 61.85 | |||||||
| 1981 | 49.12 | b | 51.89 | a | 53.48 | 60.38 | 67.87 | a | 79.84 | a | 78.69 | 76.48 | 73.32 | 60.35 | a | 54.41 | a | 49.32 | 62.93 | |||||||
| 1982 | 42.84 | 51.39 | 52.29 | 58.08 | ----- | z | 69.50 | 76.52 | 76.40 | 69.80 | 63.03 | 49.48 | 44.58 | 59.45 | ||||||||||||
| 1983 | 43.48 | 52.30 | 55.47 | 56.88 | 66.76 | ----- | z | 75.40 | 78.77 | 74.60 | 65.81 | 53.45 | 50.44 | 61.22 | ||||||||||||
| 1984 | 46.08 | 48.74 | 56.31 | 59.13 | 70.76 | 74.30 | 81.76 | 78.92 | 77.63 | 60.92 | 52.40 | 45.53 | 62.71 | |||||||||||||
| 1985 | 42.08 | 49.59 | 51.18 | 64.33 | 66.45 | ----- | z | 80.82 | 75.44 | 68.97 | 61.77 | 50.97 | 40.66 | 59.30 | ||||||||||||
| 1986 | 51.27 | 53.45 | 57.45 | 59.20 | 67.03 | 74.03 | 77.21 | 78.63 | 68.48 | 64.61 | 54.55 | ----- | z | 64.17 | ||||||||||||
| 1987 | 43.90 | 51.16 | ----- | z | 64.30 | ----- | z | 75.12 | 73.47 | 76.94 | 73.30 | 68.23 | 52.45 | 47.15 | 62.60 | |||||||||||
| 1988 | 46.90 | 52.03 | 56.60 | 62.35 | 66.52 | 73.53 | 82.00 | 77.26 | 72.25 | 65.84 | 54.27 | 44.44 | 62.83 | |||||||||||||
| 1989 | 42.88 | z | 47.50 | 57.05 | 64.22 | ----- | z | 74.20 | 78.71 | 76.29 | 71.62 | 63.31 | 52.60 | 42.47 | 62.80 | |||||||||||
| 1990 | 45.58 | 47.55 | 55.29 | 64.73 | 66.90 | 74.67 | 80.45 | 77.97 | 73.33 | 66.98 | 52.52 | 40.40 | 62.20 | |||||||||||||
| 1991 | 46.15 | 55.05 | 51.82 | 58.45 | 64.68 | 71.58 | 80.47 | 75.55 | 76.45 | 68.65 | 54.58 | 44.66 | 62.34 | |||||||||||||
| 1992 | 42.08 | 53.76 | 56.65 | 63.53 | 72.69 | 73.88 | 77.47 | 78.35 | 73.77 | 66.65 | 53.38 | 45.06 | 63.11 | |||||||||||||
| 1993 | 46.06 | 51.23 | 58.35 | 59.63 | 67.68 | 74.67 | 77.95 | k | 77.42 | 73.18 | 66.94 | 53.27 | 45.27 | 61.25 | ||||||||||||
| 1994 | 46.71 | 49.12 | 57.79 | 60.87 | 66.87 | 74.62 | 79.35 | 78.47 | 73.43 | 63.71 | 49.03 | 44.50 | 62.04 | |||||||||||||
| 1995 | 51.39 | 52.82 | 54.60 | 59.32 | 64.52 | 70.77 | 78.45 | 79.10 | 74.15 | 66.92 | 59.05 | 51.19 | 63.52 | |||||||||||||
| 1996 | 48.48 | 54.59 | 56.73 | 62.48 | 68.13 | 74.75 | 82.16 | 80.39 | 72.05 | 63.00 | 54.23 | 49.92 | 63.91 | |||||||||||||
| 1997 | 48.19 | 51.71 | 58.27 | 62.47 | 73.06 | 74.12 | 78.79 | 78.55 | 76.48 | 64.32 | 56.97 | 44.68 | 63.97 | |||||||||||||
| 1998 | 48.95 | 51.02 | 56.58 | 59.13 | 61.50 | 71.00 | 79.65 | 80.26 | 74.52 | 62.66 | 53.22 | 42.71 | 61.77 | |||||||||||||
| 1999 | 44.81 | 48.96 | 51.97 | 56.91 | a | 66.40 | a | 72.35 | 77.58 | 76.28 | a | 74.91 | a | 67.79 | 55.50 | 46.24 | b | 61.64 | ||||||||
| 2000 | 50.05 | c | 53.33 | 55.71 | 62.93 | 68.76 | 78.02 | 76.27 | 78.71 | 73.40 | a | 63.89 | 49.64 | a | 47.77 | 63.21 | ||||||||||
| 2001 | 45.60 | a | 49.84 | 58.02 | 58.83 | a | 75.15 | a | 77.52 | a | 78.71 | 78.45 | a | 74.46 | b | 67.13 | 55.98 | b | 47.22 | d | 63.91 | |||||
| 2002 | 44.39 | 51.23 | 54.03 | 61.15 | 67.78 | b | ----- | z | 80.39 | c | 76.18 | 74.10 | 63.52 | 54.72 | 49.32 | 61.53 | ||||||||||
| 2003 | 48.68 | 50.05 | 55.85 | 56.78 | 68.15 | 75.50 | 82.77 | 77.37 | a | 76.38 | 68.56 | 51.98 | 49.77 | 63.49 | ||||||||||||
| 2004 | 46.48 | 50.71 | 60.66 | 63.98 | 68.71 | 74.53 | 79.47 | 78.10 | 73.17 | c | 63.00 | 51.55 | 45.81 | 63.01 | ||||||||||||
| 2005 | 46.26 | 53.46 | 56.76 | 58.42 | 68.19 | 71.85 | 83.18 | 80.95 | 71.55 | 66.02 | 56.28 | 50.60 | 63.63 | |||||||||||||
| 2006 | 48.06 | 51.30 | 50.00 | 59.57 | 70.82 | 78.17 | 84.55 | 76.76 | 71.33 | 61.63 | 53.78 | 45.60 | 62.63 | |||||||||||||
| 2007 | 42.52 | 48.55 | 56.28 | a | 61.37 | 70.19 | e | 74.75 | 79.44 | g | 78.94 | 71.98 | 61.98 | 55.77 | 45.22 | a | 60.69 | |||||||||
| 2008 | 46.08 | 49.31 | 55.24 | 59.72 | 68.18 | 75.58 | 79.42 | 80.08 | 74.90 | 65.79 | 56.73 | 44.60 | 62.97 | |||||||||||||
| 2009 | 46.73 | 50.64 | 54.40 | 60.07 | 72.45 | 73.00 | 80.31 | 77.71 | 76.85 | 62.21 | 53.43 | 45.58 | 62.78 | |||||||||||||
| 2010 | 47.48 | 52.20 | 53.71 | 55.85 | 62.74 | 74.52 | 78.77 | 76.92 | 73.38 | 66.65 | 53.33 | 49.73 | 62.11 | |||||||||||||
| 2011 | 44.56 | e | 48.16 | c | 53.13 | a | 59.63 | 62.23 | c | 71.41 | a | 75.92 | 76.44 | d | 75.25 | f | 63.95 | b | 50.61 | c | 42.77 | c | 58.98 | |||
| 2012 | 46.30 | h | 50.17 | h | 53.63 | h | 60.82 | k | 68.82 | f | 74.14 | i | 75.28 | k | 79.39 | l | 74.82 | h | 65.28 | d | 56.12 | 48.56 | 56.65 | |||
| 2013 | 44.84 | 48.75 | 59.11 | 60.50 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.00 | z | 50.90 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 45.48 | 50.16 | 54.24 | 59.58 | 66.55 | 73.59 | 79.02 | 77.15 | 72.42 | 63.53 | 52.91 | 45.67 | 61.80 | |||||||||||||
| S.D. | 2.71 | 2.59 | 2.61 | 2.72 | 3.05 | 2.71 | 2.20 | 2.12 | 2.19 | 2.42 | 2.34 | 2.53 | 1.11 | |||||||||||||
| SKEW | -0.20 | 0.07 | 0.10 | 0.01 | 0.12 | 0.04 | 0.31 | -0.07 | -0.03 | -0.05 | 0.07 | 0.05 | -0.16 | |||||||||||||
| MAX | 51.39 | 56.95 | 61.35 | 65.75 | 75.15 | 80.02 | 84.55 | 82.55 | 77.63 | 68.65 | 59.05 | 51.19 | 63.97 | |||||||||||||
| MIN | 37.69 | 42.73 | 48.53 | 50.96 | 60.08 | 66.10 | 73.47 | 71.40 | 68.02 | 57.60 | 47.67 | 39.47 | 59.03 | |||||||||||||
| NO YRS | 106 | 112 | 109 | 109 | 103 | 107 | 105 | 111 | 109 | 109 | 112 | 108 | 80 | |||||||||||||