| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1893 | ----- | z | 37.75 | 44.00 | 46.10 | a | 55.26 | 59.42 | 66.10 | 67.85 | a | 57.71 | b | 50.22 | a | 43.50 | 38.10 | a | 51.46 | |||||||
| 1894 | 39.18 | 38.39 | 44.93 | a | 50.43 | 57.16 | 60.27 | 69.47 | 70.31 | 59.60 | a | 54.10 | b | 46.07 | 37.03 | a | 52.25 | |||||||||
| 1895 | 38.34 | 44.85 | a | 45.18 | 52.36 | a | 56.76 | 62.72 | 68.62 | b | 66.92 | 58.45 | b | 55.69 | 40.55 | 39.34 | 52.48 | |||||||||
| 1896 | 41.97 | 44.98 | b | 47.18 | a | 46.05 | 52.90 | 63.98 | a | 73.35 | 69.13 | 60.54 | b | 54.27 | 42.26 | a | 42.89 | 53.29 | ||||||||
| 1897 | 39.04 | e | 43.00 | 41.35 | 54.50 | 62.98 | b | 61.45 | 66.94 | 71.09 | c | 61.77 | 53.84 | 44.43 | 41.26 | 53.47 | ||||||||||
| 1898 | 36.29 | 45.02 | 44.63 | 53.93 | 56.38 | a | 63.52 | 69.77 | a | 72.27 | a | 62.47 | 51.85 | 43.85 | 37.10 | 53.09 | ||||||||||
| 1899 | 41.22 | b | 40.98 | 45.60 | a | 50.62 | 53.23 | 61.97 | 69.65 | 64.06 | 64.40 | a | 51.02 | 49.62 | 40.26 | 52.72 | ||||||||||
| 1900 | 43.21 | 43.89 | 51.65 | 51.48 | b | 57.65 | 65.50 | 68.13 | a | 64.40 | a | 59.93 | 51.67 | a | 47.48 | a | 41.77 | a | 53.90 | |||||||
| 1901 | 37.60 | 43.50 | 46.45 | 48.67 | 56.60 | a | 59.27 | 66.14 | c | 70.87 | 59.38 | 57.98 | a | 45.63 | c | 38.00 | c | 52.51 | ||||||||
| 1902 | 37.67 | a | 45.58 | c | 45.40 | a | 48.98 | 56.45 | 62.17 | 66.60 | a | 69.65 | 62.63 | 53.81 | 43.53 | 39.68 | 52.68 | |||||||||
| 1903 | 39.55 | 38.46 | 45.84 | 48.28 | a | 56.87 | 65.72 | 65.52 | a | 67.48 | a | 61.27 | 56.27 | 46.83 | 38.73 | 52.57 | ||||||||||
| 1904 | 40.20 | a | 40.62 | 44.06 | 52.93 | 59.29 | 63.13 | 69.40 | a | 70.58 | 64.35 | c | 55.63 | 48.92 | 38.87 | 54.00 | ||||||||||
| 1905 | 41.58 | 46.04 | a | 50.00 | 54.15 | 54.74 | 61.83 | a | 73.67 | a | 69.05 | 62.22 | 52.52 | a | 40.97 | 37.72 | a | 53.71 | ||||||||
| 1906 | 39.23 | 44.05 | 46.68 | 53.50 | b | 55.50 | b | 60.10 | 75.06 | 70.24 | 63.45 | b | 54.20 | a | 45.55 | 42.00 | 54.13 | |||||||||
| 1907 | 38.18 | 48.05 | 44.93 | a | 53.67 | 57.62 | b | 62.07 | 69.56 | 64.90 | 61.42 | 58.52 | 43.92 | 42.81 | 53.80 | |||||||||||
| 1908 | 40.55 | 41.57 | 45.05 | 52.45 | 51.50 | 60.82 | 72.13 | 67.81 | 61.40 | 51.89 | 45.68 | 37.35 | 52.35 | |||||||||||||
| 1909 | 40.18 | a | 42.79 | 46.52 | 50.37 | 54.42 | 62.73 | 66.66 | 67.55 | 63.33 | 54.08 | 46.43 | 35.11 | 52.51 | ||||||||||||
| 1910 | 37.40 | 41.77 | 51.58 | 55.10 | 60.45 | 60.67 | 71.11 | 65.15 | 59.80 | 55.93 | c | 44.87 | 41.35 | 53.76 | ||||||||||||
| 1911 | 36.73 | a | 38.35 | a | 48.17 | e | 48.38 | 54.02 | 61.03 | 71.70 | a | 66.43 | c | 59.55 | b | 52.61 | i | 43.02 | a | 37.06 | 51.31 | |||||
| 1912 | 43.13 | 45.10 | 45.00 | 48.65 | 57.19 | 63.00 | 67.97 | 66.23 | 61.02 | 48.98 | 44.53 | 38.00 | 52.40 | |||||||||||||
| 1913 | 35.66 | 39.96 | 45.29 | 50.45 | 57.24 | 61.92 | 67.15 | 70.21 | 61.33 | 53.44 | 46.57 | 40.40 | 52.47 | |||||||||||||
| 1914 | 42.79 | 42.89 | 51.13 | 52.72 | 59.65 | 61.62 | 70.76 | 69.68 | 59.90 | 52.03 | 41.02 | 34.19 | 53.20 | |||||||||||||
| 1915 | 38.87 | 42.52 | 50.26 | 53.87 | 55.48 | 61.67 | 68.35 | 72.35 | 61.03 | 53.53 | 45.18 | 42.31 | 53.79 | |||||||||||||
| 1916 | 35.06 | 47.81 | 48.13 | 51.87 | 53.87 | 61.90 | 65.15 | 68.76 | 63.03 | 50.16 | 41.30 | 35.63 | 51.89 | |||||||||||||
| 1917 | 36.05 | 39.73 | 40.97 | 49.50 | 53.74 | 60.43 | 70.39 | 68.55 | 62.25 | 51.95 | 44.28 | 42.98 | 51.74 | |||||||||||||
| 1918 | 41.24 | 40.39 | 46.69 | 49.80 | 53.32 | 68.03 | 67.85 | 67.15 | 66.88 | 55.34 | 43.08 | 37.02 | 53.07 | |||||||||||||
| 1919 | 39.83 | a | 42.30 | 48.38 | a | 54.22 | 59.39 | 63.57 | 73.47 | 72.94 | 63.70 | 51.27 | a | 42.32 | 37.58 | a | 54.08 | |||||||||
| 1920 | 40.50 | 42.28 | 45.37 | 50.15 | 56.85 | 63.85 | 69.90 | 72.44 | 62.33 | 52.02 | 45.20 | 41.19 | 53.51 | |||||||||||||
| 1921 | 41.97 | 45.43 | 50.55 | 52.22 | 57.37 | 65.75 | 70.05 | 70.90 | 61.90 | 58.10 | 48.90 | 38.79 | 55.16 | |||||||||||||
| 1922 | 38.11 | 40.50 | 45.95 | 49.75 | 59.63 | 67.70 | 73.23 | 68.65 | 66.53 | 55.55 | 43.87 | 40.85 | 54.19 | |||||||||||||
| 1923 | 41.50 | 43.02 | 46.73 | 52.97 | 57.29 | 62.53 | 71.58 | 71.61 | 66.12 | 54.15 | 44.18 | 40.82 | 54.37 | |||||||||||||
| 1924 | 39.66 | 50.72 | 47.85 | 55.20 | 65.05 | 67.37 | 70.79 | 71.23 | a | 64.12 | 53.53 | 48.07 | 38.66 | 56.02 | ||||||||||||
| 1925 | 45.71 | 47.86 | 54.37 | 54.12 | 62.19 | 65.20 | 73.29 | 70.37 | 60.85 | 52.69 | 45.30 | 39.35 | 55.94 | |||||||||||||
| 1926 | 40.08 | 48.36 | 51.92 | 59.35 | 60.11 | 70.70 | 72.82 | 70.58 | 61.13 | 56.18 | 49.75 | 40.40 | 56.78 | |||||||||||||
| 1927 | 39.55 | 41.75 | 47.58 | 50.83 | 58.60 | 68.85 | 73.03 | 71.61 | 62.43 | 56.77 | 48.55 | 38.69 | 54.85 | |||||||||||||
| 1928 | 41.74 | 45.59 | 54.42 | k | 56.00 | b | 63.66 | c | 65.35 | 72.76 | 71.29 | 67.25 | 54.03 | 45.67 | 37.93 | b | 56.48 | |||||||||
| 1929 | 37.29 | 40.14 | 48.37 | 48.58 | 61.31 | 64.30 | 69.10 | 68.82 | 59.25 | 54.19 | 38.60 | 42.21 | 52.68 | |||||||||||||
| 1930 | 32.37 | 44.82 | 49.27 | 54.08 | 54.56 | 61.52 | 67.79 | 70.68 | 63.50 | 52.97 | 42.58 | 37.24 | 52.62 | |||||||||||||
| 1931 | 40.13 | 44.45 | 50.74 | 55.55 | 63.34 | 63.70 | 71.10 | 69.47 | 62.67 | 53.16 | 41.35 | 39.19 | 54.57 | |||||||||||||
| 1932 | 37.74 | 43.00 | 50.02 | 52.87 | 57.21 | 66.28 | ----- | z | 64.85 | e | 65.67 | 54.90 | 47.63 | 35.74 | 52.36 | |||||||||||
| 1933 | 36.65 | 38.95 | 46.31 | 53.38 | 52.60 | b | 63.23 | 70.32 | 71.02 | 60.77 | 57.08 | 41.50 | 43.74 | 52.96 | ||||||||||||
| 1934 | 44.11 | 46.77 | 56.76 | 59.10 | 61.63 | 63.30 | 68.44 | 71.52 | 64.68 | 56.35 | 48.25 | 40.66 | 56.80 | |||||||||||||
| 1935 | 37.34 | 44.07 | 45.06 | 52.52 | 57.08 | 64.23 | 68.39 | 69.90 | 67.33 | 53.18 | 41.35 | 37.63 | 53.17 | |||||||||||||
| 1936 | 41.63 | 44.45 | 48.55 | 56.05 | 61.15 | 64.75 | 69.47 | 70.35 | 63.50 | 55.94 | 39.87 | 39.89 | 54.63 | |||||||||||||
| 1937 | 31.76 | 42.16 | 49.29 | 51.30 | 60.85 | a | 65.58 | 71.16 | 68.77 | 64.63 | 57.16 | 48.23 | 43.13 | 54.50 | ||||||||||||
| 1938 | 40.29 | 41.84 | 45.61 | 54.20 | 59.66 | 65.37 | 73.27 | 66.74 | 65.02 | 52.13 | 40.77 | 40.69 | 53.80 | |||||||||||||
| 1939 | 39.23 | 40.48 | a | 49.69 | 56.48 | 58.90 | 63.08 | 71.48 | 71.13 | 66.18 | 55.45 | 44.17 | 45.00 | 55.11 | ||||||||||||
| 1940 | 41.95 | 46.24 | 51.35 | 56.27 | 62.74 | 68.25 | 70.45 | 71.77 | 65.47 | 57.47 | 44.40 | 43.00 | 56.61 | |||||||||||||
| 1941 | 41.90 | 46.07 | 52.02 | 53.48 | 60.68 | 64.87 | 73.24 | 70.24 | 61.62 | 53.77 | 47.03 | 42.65 | 55.63 | |||||||||||||
| 1942 | 40.06 | 43.79 | 49.95 | 56.38 | 60.69 | 63.57 | 72.23 | 72.52 | 65.00 | h | 55.24 | 45.33 | 42.58 | 54.76 | ||||||||||||
| 1943 | 37.37 | 44.75 | 49.19 | 54.80 | 56.87 | 61.37 | 70.08 | 66.29 | 67.28 | 52.90 | 44.20 | 37.66 | 53.56 | |||||||||||||
| 1944 | 37.45 | 41.19 | 46.06 | 49.57 | 59.42 | 62.80 | 71.16 | 69.21 | 65.77 | 57.89 | 43.57 | 40.76 | 53.74 | |||||||||||||
| 1945 | 42.56 | 45.07 | 46.31 | 52.58 | 60.58 | 64.78 | 72.08 | 72.13 | 63.22 | 55.90 | 45.58 | 41.73 | 55.21 | |||||||||||||
| 1946 | 38.73 | 41.75 | 46.79 | 53.90 | 61.15 | 63.02 | 70.66 | 71.00 | 61.67 | 50.29 | 42.57 | 40.08 | 53.47 | |||||||||||||
| 1947 | 35.94 | 45.89 | 51.08 | 55.67 | 63.26 | 63.22 | 68.26 | 65.92 | 65.00 | 57.42 | 45.87 | 40.50 | 54.83 | |||||||||||||
| 1948 | 38.31 | 41.22 | 45.52 | 47.80 | 57.03 | 66.50 | 67.34 | b | 67.32 | 62.12 | 54.21 | 43.22 | 36.68 | 52.27 | ||||||||||||
| 1949 | 31.06 | 41.98 | 47.87 | 56.48 | 61.15 | 63.94 | l | 70.50 | 68.40 | 65.18 | 50.13 | 46.58 | 38.85 | 52.56 | ||||||||||||
| 1950 | 35.50 | 43.50 | 46.03 | 51.03 | 57.27 | a | 64.70 | 69.58 | 69.74 | 62.03 | a | 55.50 | 48.80 | 46.31 | 54.17 | |||||||||||
| 1951 | 40.53 | 43.56 | a | 44.65 | 56.09 | a | 57.87 | 65.92 | 70.06 | 67.89 | 65.92 | 53.85 | a | 45.63 | 38.63 | 54.22 | ||||||||||
| 1952 | 37.21 | 41.97 | 44.40 | 54.12 | 58.52 | 61.80 | 72.65 | 69.50 | 66.58 | 57.61 | 37.87 | 40.61 | 53.57 | |||||||||||||
| 1953 | 45.07 | a | 44.24 | a | 44.06 | 51.55 | 53.63 | 59.37 | 68.48 | 68.38 | a | 66.72 | a | 52.56 | 49.22 | a | 41.60 | 53.74 | ||||||||
| 1954 | 40.69 | 44.35 | a | 45.97 | 53.45 | 60.38 | a | 60.52 | 65.53 | 65.69 | 61.63 | 52.64 | b | 46.73 | 39.27 | 53.07 | ||||||||||
| 1955 | 38.32 | 40.43 | 45.89 | 46.78 | 57.89 | 65.02 | 67.18 | 70.81 | 63.42 | 55.92 | 44.90 | 43.19 | 53.31 | |||||||||||||
| 1956 | 41.87 | 38.57 | 46.61 | 55.40 | 61.23 | a | 64.55 | a | 73.34 | 69.62 | a | 64.71 | a | 53.13 | 40.97 | 38.23 | 54.02 | |||||||||
| 1957 | 35.73 | 45.38 | 49.72 | a | 54.14 | a | 61.16 | 68.12 | 69.34 | 67.21 | 67.82 | 52.42 | 42.35 | 41.18 | 54.55 | |||||||||||
| 1958 | 41.71 | 48.05 | 45.47 | 53.02 | 65.13 | 67.80 | 75.47 | a | 75.16 | 63.92 | 55.90 | a | 48.25 | 45.10 | 57.08 | |||||||||||
| 1959 | 43.56 | 42.89 | 48.03 | 55.68 | 57.23 | 66.18 | 73.87 | 69.18 | 61.78 | 55.23 | a | 42.85 | 36.44 | 54.41 | ||||||||||||
| 1960 | 39.89 | 43.59 | 51.40 | 53.45 | 57.53 | 68.67 | 74.66 | 70.03 | 66.33 | 54.48 | 45.40 | 38.90 | 55.36 | |||||||||||||
| 1961 | 41.35 | 47.05 | 47.44 | 53.57 | 57.79 | 70.55 | 71.79 | 73.63 | 60.13 | 54.18 | a | 43.52 | 39.37 | 55.03 | ||||||||||||
| 1962 | 35.27 | 42.07 | 46.15 | 55.68 | 55.11 | 64.50 | 71.29 | 68.73 | 65.48 | ----- | z | 47.68 | 40.15 | 53.83 | ||||||||||||
| 1963 | 34.10 | 50.39 | 46.71 | 48.85 | 60.34 | 64.03 | 67.65 | 69.06 | 67.23 | 55.24 | 45.42 | 38.90 | 53.99 | |||||||||||||
| 1964 | 39.87 | 42.07 | 45.63 | 50.82 | 56.87 | 64.12 | 71.95 | 70.39 | 63.88 | 58.63 | 43.83 | 42.15 | 54.18 | |||||||||||||
| 1965 | 39.37 | 43.70 | 48.95 | 54.17 | 57.60 | 65.20 | 72.69 | 70.79 | 63.50 | 58.97 | 48.37 | 37.79 | 55.09 | |||||||||||||
| 1966 | 39.73 | 42.57 | 48.34 | 55.87 | 61.05 | 65.18 | 69.32 | 71.90 | 66.43 | 56.11 | 47.65 | 42.15 | 55.53 | |||||||||||||
| 1967 | 41.82 | 44.27 | 46.10 | 46.95 | 60.56 | 68.40 | 74.44 | 76.45 | 69.08 | d | 55.06 | 46.27 | 38.26 | 55.64 | ||||||||||||
| 1968 | 39.63 | 49.12 | 50.60 | 52.72 | 58.45 | 67.52 | 73.26 | 69.06 | 65.97 | 55.15 | 47.30 | 39.94 | 55.73 | |||||||||||||
| 1969 | 37.95 | 41.16 | 47.82 | 52.62 | 63.66 | 67.93 | 70.35 | 69.45 | 66.38 | 52.11 | 44.32 | 41.56 | 54.61 | |||||||||||||
| 1970 | 44.48 | 46.54 | 48.65 | 47.60 | 59.68 | 69.57 | 73.82 | 71.56 | 62.37 | 54.61 | 48.57 | 39.66 | 55.59 | |||||||||||||
| 1971 | 37.60 | 43.16 | 45.63 | 50.27 | 58.50 | 62.90 | 72.76 | 73.74 | 62.40 | 52.44 | 44.55 | 37.60 | 53.46 | |||||||||||||
| 1972 | 38.90 | 44.95 | 52.03 | 51.00 | 61.21 | 66.93 | 74.35 | 72.18 | 62.73 | 54.50 | 46.77 | 35.71 | 55.11 | |||||||||||||
| 1973 | 40.02 | 46.80 | 45.84 | 53.53 | 62.61 | 66.80 | 72.77 | 70.32 | 65.35 | 53.48 | 45.75 | 44.77 | 55.67 | |||||||||||||
| 1974 | 38.73 | 41.30 | 47.44 | 51.20 | 57.66 | 68.15 | 70.31 | 72.45 | 68.52 | 54.81 | 47.20 | 41.58 | 54.94 | |||||||||||||
| 1975 | 40.13 | 42.80 | 45.13 | 47.18 | 59.85 | 64.70 | 71.42 | 67.77 | 67.87 | 53.42 | 43.58 | 42.40 | 53.86 | |||||||||||||
| 1976 | 41.76 | 43.26 | 46.16 | 49.83 | 59.35 | 62.73 | 71.32 | 68.29 | 66.23 | 56.32 | 47.98 | 35.63 | 54.07 | |||||||||||||
| 1977 | 37.61 | 46.77 | 46.37 | 55.65 | 54.27 | 69.70 | 70.40 | 74.18 | 63.03 | 54.71 | 45.83 | 44.69 | 55.27 | |||||||||||||
| 1978 | 44.97 | 45.77 | 52.48 | 51.23 | 57.21 | 65.55 | 70.89 | 69.31 | 60.10 | 57.68 | 42.32 | 37.73 | 54.60 | |||||||||||||
| 1979 | 38.24 | 43.68 | 51.82 | 52.50 | 60.18 | 65.35 | 70.29 | 68.69 | 66.15 | 58.72 | b | 44.18 | 42.02 | 55.15 | ||||||||||||
| 1980 | 41.47 | 47.19 | 46.73 | 53.52 | 57.63 | ----- | z | 71.77 | 68.16 | 66.57 | 58.15 | 47.77 | 41.69 | 54.60 | ||||||||||||
| 1981 | 42.98 | 44.93 | 49.94 | 55.05 | 58.92 | 66.07 | 71.29 | ----- | z | ----- | z | 54.00 | a | 47.83 | 44.65 | 53.57 | ||||||||||
| 1982 | 37.56 | 44.50 | 46.73 | 50.05 | 60.52 | 67.62 | 70.76 | 70.90 | 63.35 | 56.60 | 43.95 | 41.10 | 54.47 | |||||||||||||
| 1983 | 41.56 | 46.05 | 49.79 | 50.55 | 60.44 | 64.27 | 67.39 | 70.71 | 62.47 | 56.34 | 46.92 | 42.24 | 54.89 | |||||||||||||
| 1984 | 41.56 | 44.55 | 50.47 | 51.30 | 59.24 | 64.23 | 73.53 | 71.47 | 65.00 | 53.29 | 45.18 | 38.32 | 54.85 | |||||||||||||
| 1985 | 38.50 | 43.80 | 45.45 | 56.83 | ----- | z | ----- | z | 75.15 | 70.65 | ----- | z | 54.10 | a | 39.47 | 34.90 | 50.98 | |||||||||
| 1986 | 45.11 | 47.75 | 52.95 | 53.02 | 59.55 | 69.93 | 69.11 | 75.73 | 61.10 | 56.50 | 47.35 | 41.00 | 56.59 | |||||||||||||
| 1987 | 40.60 | 44.39 | 48.79 | 57.67 | 62.32 | 70.82 | 69.84 | 72.71 | 65.17 | ----- | z | 48.45 | b | 40.24 | 56.45 | |||||||||||
| 1988 | 41.58 | 46.28 | 48.29 | 55.73 | 57.63 | 64.78 | 74.44 | 72.34 | 67.50 | 62.19 | 47.08 | 39.40 | 56.44 | |||||||||||||
| 1989 | 40.13 | 39.91 | 48.73 | 58.20 | 58.98 | 67.48 | 69.52 | 70.34 | 66.18 | 55.21 | 45.50 | 37.81 | 54.83 | |||||||||||||
| 1990 | 42.00 | 42.05 | 50.58 | 58.28 | 57.37 | 65.22 | 74.97 | 72.42 | 69.20 | 56.29 | 45.60 | 34.08 | 55.67 | |||||||||||||
| 1991 | 39.08 | 49.05 | 45.81 | 50.32 | ----- | z | 60.97 | 70.23 | 69.82 | 66.27 | 56.94 | 48.32 | 39.77 | 54.23 | ||||||||||||
| 1992 | 40.63 | 47.38 | 50.82 | 55.27 | 62.32 | 67.30 | 69.68 | 70.48 | 62.65 | 56.00 | 45.13 | 38.73 | 55.53 | |||||||||||||
| 1993 | 38.21 | 40.68 | 51.40 | 50.75 | 58.06 | 61.75 | 63.40 | 66.58 | 63.53 | 56.65 | 39.30 | 38.27 | 52.38 | |||||||||||||
| 1994 | 41.84 | 42.14 | 48.29 | 51.92 | 58.98 | 62.52 | 72.13 | 68.21 | 64.75 | 51.76 | 38.82 | 39.00 | 53.36 | |||||||||||||
| 1995 | 42.90 | 48.80 | 45.81 | 49.47 | 56.81 | 61.22 | 69.66 | 66.05 | 66.15 | 53.26 | 50.10 | 43.95 | 54.51 | |||||||||||||
| 1996 | 41.73 | 46.66 | 47.94 | 51.47 | 54.63 | 61.85 | 72.97 | 69.85 | 60.25 | 53.58 | 46.17 | 41.31 | 54.03 | |||||||||||||
| 1997 | 39.48 | 42.93 | 47.98 | 50.77 | 59.97 | 62.13 | 67.95 | 70.34 | 63.50 | 53.44 | 47.52 | 37.69 | 53.64 | |||||||||||||
| 1998 | 43.87 | 43.68 | 47.35 | 50.67 | 54.68 | 63.13 | 72.58 | 70.52 | 65.83 | 52.32 | 46.67 | 38.40 | 54.14 | |||||||||||||
| 1999 | 40.71 | 41.86 | 45.06 | 48.82 | 55.08 | a | 61.98 | 68.34 | 70.16 | 64.03 | 54.34 | 48.52 | 40.10 | 53.25 | ||||||||||||
| 2000 | 40.81 | 46.10 | 45.10 | 53.87 | 57.53 | 64.65 | 68.34 | 69.35 | 63.87 | 54.71 | 41.90 | 40.15 | 53.86 | |||||||||||||
| 2001 | 39.34 | 41.73 | 48.26 | 48.90 | 60.31 | 62.43 | 68.76 | 71.13 | 65.35 | 53.95 | 46.37 | ----- | z | 55.14 | ||||||||||||
| 2002 | 40.52 | 44.66 | 44.27 | 52.75 | 56.58 | 66.73 | ----- | z | 70.13 | 65.68 | 51.97 | ----- | z | 41.61 | 53.49 | |||||||||||
| 2003 | ----- | z | 43.41 | ----- | z | 48.62 | ----- | z | 68.87 | 76.15 | 73.32 | 69.08 | ----- | z | 44.10 | 42.81 | 58.29 | |||||||||
| 2004 | 42.87 | 44.21 | 52.44 | 55.25 | ----- | z | 67.47 | 74.79 | 74.71 | 64.05 | 55.63 | 42.83 | 40.60 | 55.89 | ||||||||||||
| 2005 | 39.21 | 44.09 | 50.10 | 51.13 | 60.21 | 62.40 | 74.40 | 74.40 | 63.43 | 55.08 | 43.36 | a | 40.08 | 54.83 | ||||||||||||
| 2006 | 41.68 | 42.68 | 44.21 | 52.25 | 60.17 | a | 68.58 | 76.42 | 71.18 | 65.73 | 54.48 | 46.53 | 39.90 | 55.32 | ||||||||||||
| 2007 | 35.90 | a | 42.55 | 49.58 | 52.30 | 60.32 | a | 65.62 | 73.42 | 71.05 | 63.72 | 52.34 | 44.98 | a | 39.24 | 54.25 | ||||||||||
| 2008 | 36.85 | a | 42.72 | 45.11 | 48.77 | 59.87 | 64.32 | 72.77 | 72.16 | 66.67 | 54.47 | 47.53 | 37.29 | 54.04 | ||||||||||||
| 2009 | 39.12 | b | 42.57 | 45.85 | 51.00 | 61.32 | a | 66.95 | 75.32 | 72.06 | 67.47 | 52.98 | 43.57 | 35.90 | 54.51 | |||||||||||
| 2010 | 45.92 | 46.16 | 46.92 | 48.68 | 54.11 | 63.33 | 72.97 | 71.37 | 64.57 | 55.63 | 44.65 | 41.82 | 54.68 | |||||||||||||
| 2011 | 40.13 | 40.41 | 46.24 | 48.68 | 54.55 | 63.78 | 68.40 | 72.58 | 67.82 | 54.98 | 43.98 | 35.56 | 53.09 | |||||||||||||
| 2012 | 39.82 | 42.40 | 43.81 | 52.95 | 59.32 | 63.22 | 72.23 | 74.02 | 67.82 | 56.16 | 47.60 | 40.00 | 54.94 | |||||||||||||
| 2013 | 35.73 | 41.25 | 48.02 | a | 55.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.00 | z | 41.66 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 39.70 | 43.71 | 47.66 | 52.38 | 58.44 | 64.49 | 70.80 | 70.04 | 63.92 | 54.57 | 45.05 | 39.83 | 54.19 | |||||||||||||
| S.D. | 2.77 | 2.67 | 2.69 | 2.90 | 2.85 | 2.72 | 2.64 | 2.42 | 2.58 | 2.20 | 2.66 | 2.51 | 1.19 | |||||||||||||
| SKEW | -0.38 | 0.20 | 0.49 | 0.03 | -0.08 | 0.32 | -0.14 | -0.10 | -0.08 | 0.24 | -0.44 | 0.06 | 0.17 | |||||||||||||
| MAX | 45.92 | 50.72 | 56.76 | 59.35 | 65.13 | 70.82 | 76.42 | 76.45 | 69.20 | 62.19 | 50.10 | 46.31 | 57.08 | |||||||||||||
| MIN | 31.06 | 37.75 | 40.97 | 46.05 | 51.50 | 59.27 | 63.40 | 64.06 | 57.71 | 48.98 | 37.87 | 34.08 | 51.74 | |||||||||||||
| NO YRS | 119 | 121 | 119 | 120 | 116 | 117 | 118 | 119 | 117 | 116 | 119 | 119 | 104 | |||||||||||||