| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.90 | a | 58.16 | 55.39 | 55.23 | 45.39 | 45.23 | 36.26 | 50.51 | |||||||
| 1900 | 41.66 | b | 35.57 | 42.94 | 41.45 | a | 44.50 | a | 56.50 | b | 50.00 | z | 51.00 | z | 41.00 | z | 30.00 | z | 44.21 | a | 25.00 | z | 43.83 | |||
| 1901 | 24.00 | z | 25.00 | z | 33.00 | z | 31.00 | z | 41.00 | z | 45.00 | z | 46.00 | z | 61.52 | 51.28 | a | 51.81 | 41.50 | 31.97 | 47.61 | |||||
| 1902 | 32.65 | 34.54 | 34.23 | 43.20 | 47.97 | a | 55.17 | 57.29 | 58.20 | a | 56.30 | 47.35 | 37.93 | 32.45 | 44.77 | |||||||||||
| 1903 | 31.06 | 27.96 | ----- | z | 40.63 | 48.26 | 62.73 | 63.48 | 64.79 | b | 52.40 | 37.61 | 35.87 | 26.06 | 44.62 | |||||||||||
| 1904 | 24.32 | 35.54 | a | 41.48 | 41.68 | b | 49.45 | 48.50 | 53.57 | a | 61.71 | 62.07 | 38.00 | z | 38.83 | 34.71 | 44.71 | |||||||||
| 1905 | 39.87 | 40.32 | 43.61 | 45.07 | a | 48.94 | 53.53 | ----- | z | 47.82 | c | 44.17 | 37.97 | 33.30 | 30.53 | a | 42.28 | |||||||||
| 1906 | 34.48 | 41.86 | 41.42 | 45.00 | a | 46.57 | c | 51.53 | 63.87 | 60.65 | 52.80 | 45.17 | a | 36.90 | 36.29 | 46.38 | ||||||||||
| 1907 | 32.48 | 45.25 | 40.77 | a | 47.43 | 48.83 | a | 54.38 | a | 61.71 | 57.23 | ----- | z | 49.44 | d | ----- | z | 39.40 | a | 47.69 | ||||||
| 1908 | 38.27 | a | 33.93 | 38.61 | ----- | z | 45.23 | 47.03 | 65.48 | 63.13 | a | 54.03 | 39.55 | 33.17 | 32.06 | 44.59 | ||||||||||
| 1909 | 40.84 | 39.36 | 39.16 | 46.70 | 44.45 | 46.10 | 60.84 | 51.94 | 49.67 | 44.71 | 37.47 | 36.03 | 44.77 | |||||||||||||
| 1910 | 37.03 | 39.00 | 38.00 | z | 47.00 | z | 55.00 | z | 63.90 | 65.03 | 61.55 | 58.97 | 56.68 | 42.80 | 38.94 | 51.54 | ||||||||||
| 1911 | 38.71 | 37.54 | 42.19 | 43.53 | 52.13 | 62.30 | 66.32 | 59.87 | 58.87 | 51.35 | 39.40 | 32.39 | 48.72 | |||||||||||||
| 1912 | 37.65 | 35.52 | 42.61 | 46.33 | 56.61 | 65.47 | 70.39 | 63.23 | 60.40 | 46.10 | 38.97 | a | 30.61 | 49.49 | ||||||||||||
| 1913 | 36.03 | 38.21 | 40.97 | 44.43 | 51.06 | 55.80 | 61.97 | 63.87 | 57.17 | 47.68 | 44.63 | 37.81 | 48.30 | |||||||||||||
| 1914 | 42.16 | 40.46 | 40.90 | 47.13 | 51.03 | 54.37 | 60.13 | 59.10 | 52.70 | 47.71 | 38.07 | 35.32 | 47.42 | |||||||||||||
| 1915 | 37.77 | 42.79 | 44.06 | 47.37 | 50.81 | 56.20 | 61.26 | 60.26 | 53.83 | 45.68 | 37.93 | 37.06 | 47.92 | |||||||||||||
| 1916 | 36.26 | 43.69 | 43.74 | 45.30 | 47.06 | 54.37 | 58.77 | 58.19 | 53.93 | 44.10 | 34.77 | 32.29 | 46.04 | |||||||||||||
| 1917 | 31.48 | 36.86 | 36.55 | 43.80 | 47.13 | 57.60 | 65.32 | 59.55 | 56.17 | 48.48 | 39.73 | 36.35 | 46.59 | |||||||||||||
| 1918 | 35.00 | 38.32 | 43.58 | 44.30 | 47.19 | 62.23 | 59.48 | 58.42 | 56.97 | 49.29 | 39.03 | 33.16 | 47.25 | |||||||||||||
| 1919 | 30.45 | 37.21 | 38.61 | 43.90 | 51.35 | 55.03 | 61.03 | 58.63 | a | 54.30 | 42.90 | 33.17 | 35.32 | 45.16 | ||||||||||||
| 1920 | 33.68 | 36.41 | 38.94 | 43.73 | 49.52 | 58.60 | 59.32 | 61.19 | 55.07 | 45.52 | 40.00 | 38.87 | 46.74 | |||||||||||||
| 1921 | 38.29 | 40.11 | 45.58 | 45.93 | 48.58 | 60.07 | 62.06 | 58.74 | 52.57 | 48.19 | 37.93 | 38.32 | 48.03 | |||||||||||||
| 1922 | 32.06 | 38.75 | 39.26 | 41.17 | 50.45 | 57.97 | 61.94 | 58.32 | 56.43 | 46.68 | 35.73 | 40.61 | 46.61 | |||||||||||||
| 1923 | 35.87 | 35.25 | 36.71 | 44.60 | 48.97 | 52.83 | 59.48 | 58.55 | 58.07 | 45.06 | 38.53 | 32.00 | 45.49 | |||||||||||||
| 1924 | 31.61 | 40.93 | 37.16 | 44.60 | 53.65 | 57.10 | 59.35 | 58.26 | 54.97 | 46.10 | 38.93 | 37.65 | 46.69 | |||||||||||||
| 1925 | 37.58 | 42.25 | 39.45 | 45.70 | 52.90 | 59.60 | 63.97 | 58.52 | 52.80 | 45.68 | 38.27 | 36.65 | 47.78 | |||||||||||||
| 1926 | 34.35 | 43.57 | 45.90 | 55.40 | 55.58 | 59.20 | 62.26 | 60.29 | 51.50 | 49.10 | 45.70 | 36.29 | 49.93 | |||||||||||||
| 1927 | 37.97 | 44.21 | 41.52 | 44.57 | 53.29 | 60.67 | 65.58 | 57.84 | 52.07 | 46.61 | 43.53 | 34.26 | 48.51 | |||||||||||||
| 1928 | 35.26 | 36.55 | 45.32 | 44.33 | 55.06 | 58.67 | 58.74 | 57.84 | 53.13 | 46.19 | 40.47 | 34.58 | 47.18 | |||||||||||||
| 1929 | 34.32 | 34.61 | 40.39 | 42.07 | 50.39 | 57.97 | 60.13 | 60.52 | ----- | z | 47.74 | 32.87 | 40.16 | 45.56 | ||||||||||||
| 1930 | 36.87 | 40.36 | 41.81 | 46.60 | 47.81 | 56.20 | 59.81 | 58.55 | 53.50 | 43.87 | 38.07 | 29.45 | 46.07 | |||||||||||||
| 1931 | 36.55 | 41.36 | 40.26 | 47.63 | 54.84 | 56.93 | 65.03 | 62.23 | 52.93 | 46.48 | 38.43 | 36.90 | 48.30 | |||||||||||||
| 1932 | 34.48 | 37.76 | 42.39 | 43.07 | 53.35 | 58.00 | 60.61 | 58.68 | 56.30 | 46.55 | 42.43 | 31.94 | 47.13 | |||||||||||||
| 1933 | 34.45 | 35.07 | 42.58 | 45.80 | 48.65 | 56.13 | 64.00 | 61.58 | 52.70 | 50.45 | 37.77 | 37.68 | 47.24 | |||||||||||||
| 1934 | 37.87 | a | 43.25 | 45.23 | 47.50 | 54.06 | 57.13 | 60.39 | 58.84 | 54.17 | 47.16 | 43.43 | 36.77 | 48.82 | ||||||||||||
| 1935 | 38.00 | 39.75 | 37.61 | 46.47 | 50.03 | 61.53 | 59.84 | 60.39 | 54.80 | 45.77 | 35.30 | 33.23 | 46.89 | |||||||||||||
| 1936 | 36.84 | 39.00 | 40.97 | 45.33 | 51.26 | 57.37 | 63.10 | 60.35 | 54.23 | 49.26 | 35.90 | 34.13 | 47.31 | |||||||||||||
| 1937 | 28.94 | 37.36 | 41.03 | 43.47 | 50.90 | 55.87 | 62.97 | 60.94 | 54.60 | 47.26 | 40.00 | 36.68 | 46.67 | |||||||||||||
| 1938 | 35.06 | 39.32 | 40.23 | 44.63 | 50.55 | 57.77 | 61.19 | 57.97 | 55.93 | 46.55 | 32.60 | 38.00 | 46.65 | |||||||||||||
| 1939 | 35.06 | 32.61 | 40.29 | 47.47 | 50.74 | 55.07 | 56.42 | 55.87 | 55.67 | 44.32 | 34.70 | 34.52 | 45.23 | |||||||||||||
| 1940 | 40.77 | 41.66 | 42.61 | 46.70 | 52.03 | 58.70 | 58.97 | 58.48 | 54.33 | 46.23 | 35.20 | 37.06 | 47.73 | |||||||||||||
| 1941 | 40.65 | 43.61 | 43.68 | 43.77 | 52.06 | 54.87 | 61.00 | 56.90 | 50.70 | 43.06 | 37.97 | 38.90 | 47.26 | |||||||||||||
| 1942 | 36.71 | 34.79 | 35.55 | 42.97 | 45.55 | 52.60 | 59.97 | 57.42 | 52.17 | 46.26 | 38.00 | 36.94 | 44.91 | |||||||||||||
| 1943 | 33.90 | a | 37.82 | 41.94 | 44.10 | 48.94 | 50.57 | 57.68 | 53.67 | a | 53.83 | 45.23 | 36.97 | 35.29 | 44.99 | |||||||||||
| 1944 | 34.32 | 36.66 | 37.26 | 41.07 | 48.90 | 52.63 | 55.62 | w | 53.90 | 53.13 | 46.90 | 40.00 | 36.84 | 43.78 | ||||||||||||
| 1945 | 34.32 | 37.75 | 37.26 | 40.97 | 48.58 | 54.53 | 60.65 | 56.48 | 53.87 | 48.17 | s | 37.79 | a | 37.52 | 45.43 | |||||||||||
| 1946 | 32.32 | 33.07 | 39.35 | 44.47 | 49.65 | 53.70 | 58.97 | 56.23 | 52.23 | 42.55 | 35.87 | 38.03 | 44.70 | |||||||||||||
| 1947 | 29.74 | 40.18 | 41.74 | 45.97 | 53.39 | c | 56.53 | 55.97 | 56.26 | 53.43 | 48.16 | 33.73 | 32.19 | 45.61 | ||||||||||||
| 1948 | 33.13 | 32.00 | 36.48 | 44.20 | 47.45 | 55.20 | 56.26 | 54.19 | 50.17 | 45.26 | 33.37 | 33.35 | 43.42 | |||||||||||||
| 1949 | 25.25 | g | 32.39 | 40.94 | 46.07 | 50.40 | a | 55.80 | 57.67 | a | 55.55 | 53.67 | 42.19 | e | 39.60 | 32.77 | 46.09 | |||||||||
| 1950 | 30.81 | 37.43 | 41.32 | 46.24 | a | 50.12 | f | 54.87 | 60.97 | 58.20 | a | 55.03 | a | 49.07 | d | 46.47 | 43.90 | 47.66 | ||||||||
| 1951 | 39.58 | s | 37.39 | 37.81 | 45.57 | 51.10 | 54.77 | 57.42 | 55.90 | 53.47 | 45.29 | 40.90 | 34.77 | 46.76 | ||||||||||||
| 1952 | 35.97 | 38.24 | 39.29 | 45.73 | 51.52 | 52.53 | 62.39 | 57.42 | 55.60 | 49.29 | 35.93 | 39.35 | 46.94 | |||||||||||||
| 1953 | 41.73 | a | 35.86 | 38.74 | 45.03 | 48.10 | 53.67 | 61.86 | b | 57.74 | 58.60 | 45.43 | h | 43.40 | 34.52 | 47.20 | ||||||||||
| 1954 | 35.21 | g | 40.14 | 40.03 | 48.48 | a | 50.94 | 54.12 | e | 62.39 | 56.29 | 52.47 | 46.72 | b | 42.17 | 37.28 | f | 49.37 | ||||||||
| 1955 | 35.17 | g | 34.56 | a | 38.18 | c | 41.48 | a | 52.71 | j | 54.00 | d | 58.42 | 58.87 | 54.00 | 45.17 | h | 37.50 | b | 43.35 | h | 47.13 | ||||
| 1956 | 40.88 | f | 34.55 | 39.74 | 44.90 | a | 49.77 | 54.68 | b | 59.92 | f | 55.87 | a | 54.48 | a | 47.11 | c | 35.61 | l | 31.35 | h | 47.64 | ||||
| 1957 | 31.79 | b | 42.26 | a | 41.54 | c | 45.21 | a | 50.20 | a | 58.14 | i | 56.78 | d | 53.69 | e | 52.00 | b | 46.15 | d | 36.54 | b | 35.10 | b | 44.66 | |
| 1958 | 38.81 | d | 44.54 | b | 40.26 | 45.37 | 52.71 | 56.07 | a | 59.67 | d | 63.10 | 54.90 | a | 48.86 | c | 36.75 | b | 34.77 | 47.98 | ||||||
| 1959 | 38.35 | 35.12 | c | 41.29 | c | 47.00 | 48.62 | b | 56.16 | e | 59.41 | d | 57.70 | d | 53.13 | 48.41 | b | 34.73 | 31.19 | 45.93 | ||||||
| 1960 | 35.40 | a | 39.57 | a | 43.32 | 43.52 | a | 48.06 | 59.62 | a | 61.30 | a | 57.13 | a | 54.03 | a | 45.07 | a | 38.18 | b | 34.58 | 46.65 | ||||
| 1961 | 35.45 | b | 40.39 | 41.52 | 44.97 | 48.77 | a | 59.11 | c | 62.62 | e | 63.55 | b | 54.33 | 47.45 | b | 38.66 | a | 37.65 | 47.87 | ||||||
| 1962 | 31.17 | a | 39.82 | 38.42 | 44.90 | 47.26 | 53.50 | 56.84 | 57.18 | c | 53.43 | b | 48.35 | 39.90 | a | 34.80 | a | 45.46 | ||||||||
| 1963 | 29.50 | a | 46.36 | 40.68 | 44.14 | b | 52.37 | a | 54.54 | b | 55.97 | b | 57.73 | a | 57.67 | 50.42 | 42.53 | 33.94 | 47.15 | |||||||
| 1964 | 33.71 | 32.07 | 38.50 | a | 43.41 | c | 47.70 | a | 55.30 | 60.61 | 59.35 | 51.67 | 50.61 | 40.70 | 42.16 | 46.32 | ||||||||||
| 1965 | 39.26 | 36.04 | 40.87 | 46.83 | 47.74 | 51.63 | 57.84 | 59.00 | 49.90 | 46.81 | 43.90 | a | 35.61 | 46.29 | ||||||||||||
| 1966 | 34.73 | a | 36.79 | 43.20 | a | 46.38 | a | 51.26 | 55.39 | b | 59.37 | a | 62.00 | b | 55.80 | 48.29 | 44.87 | 40.07 | a | 48.18 | ||||||
| 1967 | 35.81 | 38.36 | 40.32 | 39.71 | b | 49.06 | 54.03 | a | 63.65 | 64.48 | 59.87 | 49.00 | 45.34 | a | 31.10 | a | 47.56 | |||||||||
| 1968 | 34.41 | b | 46.57 | a | 43.35 | 43.83 | a | 50.42 | 57.93 | 60.03 | b | 56.45 | 54.57 | b | 48.16 | 43.83 | a | 35.45 | 47.92 | |||||||
| 1969 | 38.87 | 36.42 | b | 41.00 | 44.86 | a | 51.71 | c | 54.48 | a | 59.65 | 58.06 | 55.38 | a | 42.07 | b | 35.79 | b | 31.40 | a | 45.81 | |||||
| 1970 | 33.07 | b | 39.44 | a | 40.84 | 40.41 | c | 52.39 | 57.72 | a | 63.00 | 59.13 | a | 53.63 | 47.17 | b | 41.63 | 37.96 | c | 47.20 | ||||||
| 1971 | 36.57 | a | 35.18 | 39.61 | 42.67 | c | 49.13 | 55.41 | a | 61.10 | 61.24 | b | 55.57 | 44.07 | a | 35.62 | a | 31.37 | d | 45.63 | ||||||
| 1972 | 33.74 | 39.86 | 46.03 | 45.47 | 54.13 | 60.30 | 61.81 | 60.48 | 55.57 | 49.10 | 39.50 | 32.87 | 48.24 | |||||||||||||
| 1973 | 35.47 | a | 40.29 | 39.65 | 44.73 | 54.19 | 59.10 | a | 59.97 | 58.35 | 53.47 | 46.97 | 41.47 | 39.39 | 47.75 | |||||||||||
| 1974 | 38.71 | 36.39 | 43.03 | a | 44.57 | 49.77 | 56.86 | a | 60.26 | 58.42 | 55.70 | 48.68 | 39.10 | a | 35.84 | 47.28 | ||||||||||
| 1975 | 31.73 | a | 37.29 | 38.68 | 41.40 | 51.68 | 55.90 | 58.58 | 57.84 | 55.93 | a | 45.29 | 37.07 | c | 31.37 | d | 45.23 | |||||||||
| 1976 | 29.13 | 38.28 | 38.81 | 41.80 | 50.97 | 55.71 | b | 61.35 | 57.35 | 56.66 | a | 46.97 | 43.03 | 28.10 | 45.68 | |||||||||||
| 1977 | 35.61 | 36.64 | 34.71 | 43.70 | 46.32 | 59.00 | 58.29 | 59.10 | 53.80 | 45.84 | 39.33 | 41.52 | 46.16 | |||||||||||||
| 1978 | 41.87 | 40.79 | 45.65 | 41.73 | 46.23 | 51.07 | a | 57.57 | c | 55.03 | 51.33 | 45.03 | 36.13 | 30.00 | 45.20 | |||||||||||
| 1979 | 35.84 | 36.75 | 42.87 | 40.23 | 49.91 | i | 51.13 | g | 58.58 | g | 49.17 | a | 51.84 | e | 49.00 | c | 40.67 | 35.94 | 42.48 | |||||||
| 1980 | 42.65 | 43.21 | 39.74 | 44.59 | a | 48.60 | a | 53.23 | 63.43 | a | 59.73 | a | 55.56 | e | 47.03 | 37.90 | 35.70 | a | 47.61 | |||||||
| 1981 | 39.10 | b | 40.70 | a | 42.13 | 44.57 | 51.80 | a | 62.93 | a | 59.35 | 57.90 | 56.03 | 43.63 | a | 43.34 | a | 40.77 | 48.52 | |||||||
| 1982 | 34.06 | 39.39 | 42.06 | 44.57 | ----- | z | 53.00 | 58.97 | 59.10 | 54.00 | 47.32 | 39.53 | 34.94 | 46.09 | ||||||||||||
| 1983 | 37.10 | 42.36 | 46.42 | 45.10 | 51.68 | ----- | z | 58.42 | 62.61 | 57.90 | 50.00 | 42.97 | 42.55 | 48.83 | ||||||||||||
| 1984 | 36.77 | 35.86 | 41.26 | 43.87 | 53.48 | 57.53 | 64.26 | 61.90 | 59.67 | 47.71 | 42.83 | 37.94 | 48.59 | |||||||||||||
| 1985 | 35.87 | 35.93 | 38.26 | 47.50 | 50.10 | ----- | z | 63.23 | 57.71 | 53.37 | 45.29 | 40.17 | 33.90 | 45.57 | ||||||||||||
| 1986 | 42.94 | 43.11 | 44.74 | 43.73 | 49.32 | 55.93 | 59.74 | 60.71 | 52.90 | 47.61 | 38.40 | ----- | z | 49.01 | ||||||||||||
| 1987 | 33.84 | 38.86 | ----- | z | 46.63 | ----- | z | 57.30 | 56.35 | 58.55 | 55.33 | 52.42 | 40.73 | 37.84 | 47.79 | |||||||||||
| 1988 | 37.00 | 36.07 | 40.68 | 47.53 | 50.26 | 57.00 | 63.10 | 58.94 | 52.70 | 46.94 | 43.17 | 34.65 | 47.33 | |||||||||||||
| 1989 | 30.00 | z | 34.57 | 45.29 | 47.97 | ----- | z | 56.73 | 59.61 | 58.55 | 54.93 | 47.84 | 38.00 | 31.90 | 47.54 | |||||||||||
| 1990 | 35.16 | 35.75 | 41.16 | 48.90 | 51.10 | 57.87 | 63.32 | 61.13 | 56.37 | 48.90 | 37.33 | 27.29 | 47.02 | |||||||||||||
| 1991 | 34.10 | 41.14 | 41.68 | 43.63 | 48.61 | 53.80 | 62.42 | 58.00 | 57.93 | 51.58 | 40.93 | 33.13 | 47.25 | |||||||||||||
| 1992 | 34.48 | 42.72 | 44.87 | 47.13 | 55.03 | 57.27 | 59.90 | 58.13 | 54.33 | 49.61 | 39.20 | 35.77 | 48.21 | |||||||||||||
| 1993 | 37.42 | 41.07 | 46.81 | 45.30 | 51.65 | 58.40 | 59.81 | 59.55 | 54.40 | 50.55 | 38.60 | 36.65 | 48.35 | |||||||||||||
| 1994 | 36.13 | 38.36 | 43.35 | 45.70 | 51.87 | 55.97 | 61.81 | 59.81 | 55.87 | 47.68 | 37.93 | 36.84 | 47.61 | |||||||||||||
| 1995 | 43.97 | 44.00 | 43.71 | 44.57 | 50.00 | 54.03 | 60.87 | 60.77 | 56.17 | 49.13 | 44.07 | 41.94 | 49.44 | |||||||||||||
| 1996 | 40.26 | 45.17 | 43.03 | 46.87 | 51.61 | 56.23 | 63.26 | 61.29 | 53.50 | 46.65 | 43.27 | 42.10 | 49.44 | |||||||||||||
| 1997 | 40.45 | 40.36 | 42.55 | 46.40 | 56.29 | 57.57 | 61.48 | 62.45 | 60.13 | 47.00 | 46.20 | 35.58 | 49.71 | |||||||||||||
| 1998 | 40.65 | 42.79 | 45.71 | 46.40 | 48.45 | 56.50 | 62.45 | 62.35 | 58.73 | 47.19 | 42.40 | 31.32 | 48.75 | |||||||||||||
| 1999 | 37.19 | 37.14 | 38.77 | 40.21 | a | 48.77 | a | 54.17 | 59.87 | 59.10 | a | 56.79 | a | 49.74 | 41.73 | 32.14 | b | 46.30 | ||||||||
| 2000 | 39.86 | c | 43.72 | 42.42 | 47.27 | 53.32 | 60.60 | 58.65 | 61.13 | 56.66 | a | 49.65 | 38.03 | a | 36.87 | 49.01 | ||||||||||
| 2001 | 33.80 | a | 39.29 | 44.61 | 43.00 | a | 57.50 | a | 60.59 | a | 61.35 | 59.63 | a | 56.54 | b | 50.42 | 45.18 | b | 39.48 | d | 49.28 | |||||
| 2002 | 35.68 | 37.46 | 39.94 | 45.93 | 50.00 | a | ----- | z | 62.18 | c | 57.55 | 55.87 | 46.97 | 41.93 | 39.23 | 46.61 | ||||||||||
| 2003 | 41.39 | 37.57 | 40.94 | 43.57 | 52.35 | 57.90 | 64.81 | 60.52 | 59.10 | 51.32 | 40.20 | 41.32 | 49.25 | |||||||||||||
| 2004 | 39.10 | 40.55 | 45.42 | 47.97 | 51.84 | 57.13 | 61.81 | 60.87 | 55.22 | c | 48.68 | 41.83 | 38.10 | 49.04 | ||||||||||||
| 2005 | 40.71 | 43.50 | 44.58 | 43.77 | 53.52 | 55.43 | 65.90 | 62.55 | 54.97 | 50.42 | 42.50 | 42.65 | 50.04 | |||||||||||||
| 2006 | 38.87 | 37.39 | 38.84 | 48.40 | 55.00 | 61.80 | 67.16 | 59.23 | 52.63 | 45.55 | 42.43 | 33.16 | 48.37 | |||||||||||||
| 2007 | 28.42 | 36.68 | 40.87 | a | 46.53 | 53.35 | e | 57.63 | 63.42 | g | 62.29 | 57.47 | 47.68 | 41.47 | 34.74 | 46.10 | ||||||||||
| 2008 | 37.23 | 38.52 | 41.48 | 44.03 | 53.74 | 58.83 | 63.00 | 63.10 | 57.17 | 50.03 | 44.90 | 36.16 | 49.02 | |||||||||||||
| 2009 | 35.61 | 40.04 | 41.84 | 45.23 | 57.26 | 57.97 | 62.94 | 60.61 | 59.87 | 49.48 | 39.63 | 35.94 | 48.87 | |||||||||||||
| 2010 | 40.29 | 43.32 | 41.42 | 44.67 | 49.42 | 58.67 | 61.84 | 59.84 | 55.90 | 53.26 | 41.40 | 42.74 | 49.40 | |||||||||||||
| 2011 | 37.93 | d | 36.84 | c | 43.00 | a | 46.67 | 47.36 | c | 56.24 | a | 58.68 | 58.15 | d | 57.50 | f | 50.17 | b | 39.00 | c | 28.18 | c | 45.66 | |||
| 2012 | 32.21 | g | 37.48 | h | 41.09 | h | 47.68 | k | 51.96 | f | 58.57 | i | 57.35 | k | 62.05 | l | 57.91 | h | 52.96 | d | 45.00 | 41.42 | 46.46 | |||
| 2013 | 33.48 | 35.54 | 45.58 | 50.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.00 | z | 38.20 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 36.02 | 38.70 | 41.26 | 44.86 | 50.59 | 56.41 | 60.91 | 58.92 | 54.79 | 47.29 | 39.61 | 35.69 | 47.27 | |||||||||||||
| S.D. | 3.57 | 3.44 | 2.66 | 2.27 | 2.75 | 3.22 | 2.73 | 2.81 | 2.62 | 2.88 | 3.34 | 3.61 | 1.45 | |||||||||||||
| SKEW | -0.27 | -0.02 | -0.13 | 0.54 | 0.22 | -0.16 | 0.34 | -0.86 | -0.19 | -0.39 | -0.02 | -0.07 | -0.24 | |||||||||||||
| MAX | 43.97 | 46.57 | 46.81 | 55.40 | 57.50 | 65.47 | 70.39 | 64.79 | 62.07 | 56.68 | 46.47 | 43.90 | 50.04 | |||||||||||||
| MIN | 24.32 | 27.96 | 34.23 | 39.71 | 44.45 | 46.10 | 53.57 | 47.82 | 44.17 | 37.61 | 32.60 | 26.06 | 43.42 | |||||||||||||
| NO YRS | 106 | 112 | 109 | 109 | 104 | 107 | 106 | 112 | 109 | 109 | 112 | 109 | 83 | |||||||||||||