| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1893 | 29.61 | 36.86 | 41.29 | 51.27 | 63.26 | 72.23 | 79.35 | 76.81 | 67.37 | 62.06 | 49.60 | 43.06 | 56.06 | |||||||||||||
| 1894 | 39.35 | 34.89 | 49.39 | 52.90 | 65.61 | 75.30 | 81.74 | 75.16 | 73.53 | 61.58 | 47.37 | 41.80 | a | 58.22 | ||||||||||||
| 1895 | 36.03 | 33.33 | a | 42.39 | 52.20 | 66.06 | 74.53 | 75.13 | 77.77 | 74.23 | 58.00 | 53.87 | 43.94 | 57.29 | ||||||||||||
| 1896 | 32.74 | 37.97 | 39.87 | 56.00 | 69.29 | 72.53 | 78.90 | 78.61 | 69.43 | 56.87 | 55.33 | 37.81 | 57.11 | |||||||||||||
| 1897 | 35.84 | 37.07 | 44.61 | 55.17 | 63.71 | 70.07 | 77.65 | 76.19 | 71.60 | 63.06 | 50.53 | 41.58 | 57.26 | |||||||||||||
| 1898 | 37.84 | 39.57 | 49.00 | 51.03 | 61.81 | 72.07 | 78.48 | 79.00 | 74.27 | 61.23 | 49.20 | 38.77 | 57.69 | |||||||||||||
| 1899 | 39.39 | 32.25 | 42.48 | 55.30 | 64.65 | 77.90 | 78.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.79 | e | |||||||
| 1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1901 | 35.17 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.39 | 77.50 | c | 72.00 | 59.43 | a | 43.11 | c | 39.50 | a | 58.30 | e | ||
| 1902 | 37.08 | e | 36.39 | e | 48.72 | b | 55.11 | u | 64.68 | 72.60 | 74.79 | b | 75.55 | 69.90 | 61.06 | 54.17 | 38.97 | a | 57.63 | a | ||||||
| 1903 | 37.10 | 38.71 | 50.77 | 56.50 | 68.00 | 67.53 | 78.48 | 71.61 | 70.73 | 62.26 | 48.59 | a | 35.07 | a | 57.11 | |||||||||||
| 1904 | 29.87 | 32.14 | a | 42.00 | a | 51.00 | 67.06 | 70.50 | 76.16 | 73.55 | 68.33 | 57.58 | 44.57 | 33.68 | 53.87 | |||||||||||
| 1905 | 33.17 | a | 29.96 | a | 43.63 | a | 53.90 | 63.90 | a | 70.77 | 78.42 | 73.94 | 67.90 | 61.61 | 49.87 | 43.26 | 55.86 | |||||||||
| 1906 | 42.55 | b | 38.50 | 40.10 | 55.30 | 67.73 | a | 75.80 | 77.94 | 79.97 | 72.63 | 61.03 | 49.48 | a | ----- | z | 60.09 | a | ||||||||
| 1907 | 29.53 | n | 30.88 | d | 44.65 | 48.93 | 58.81 | 70.97 | 79.45 | 76.68 | 71.34 | a | 57.53 | a | 50.74 | c | 43.20 | a | 57.56 | a | ||||||
| 1908 | 40.17 | b | 37.40 | d | 47.07 | d | 53.87 | 66.32 | 76.60 | 80.57 | a | 75.00 | e | 70.97 | 63.30 | a | 50.14 | a | 39.52 | 58.41 | ||||||
| 1909 | ----- | z | 37.32 | 39.85 | d | 49.70 | c | 63.45 | b | 74.63 | 78.32 | 77.61 | 70.96 | c | 60.70 | a | 54.00 | 36.87 | a | 58.49 | a | |||||
| 1910 | 39.48 | 37.68 | 47.53 | a | 58.10 | 64.32 | 72.70 | 80.81 | 75.52 | 69.07 | 61.65 | 46.80 | 33.42 | 57.26 | ||||||||||||
| 1911 | 39.33 | a | 34.72 | c | 40.29 | 52.17 | 68.93 | a | 74.83 | 81.84 | 76.55 | 69.07 | 59.26 | 49.60 | 45.39 | 57.66 | ||||||||||
| 1912 | 30.16 | 34.93 | 43.33 | a | 54.14 | a | 63.55 | 75.00 | 79.48 | 75.23 | 69.23 | 64.00 | 50.53 | 45.33 | a | 57.08 | ||||||||||
| 1913 | 46.84 | 37.61 | e | 48.13 | a | 55.10 | a | 62.97 | a | 73.53 | 79.74 | 74.40 | f | 66.03 | 59.60 | p | 55.03 | a | 46.59 | n | 58.33 | c | ||||
| 1914 | 36.10 | a | 32.80 | c | 41.81 | 50.57 | 66.65 | 73.50 | b | 74.16 | 74.68 | 69.90 | 61.97 | 48.97 | a | 37.75 | c | 55.74 | ||||||||
| 1915 | 38.37 | d | 40.00 | a | 41.63 | a | 56.47 | 61.55 | 70.69 | a | 75.77 | 73.39 | 71.77 | 58.71 | g | 45.22 | u | 38.52 | 56.82 | b | ||||||
| 1916 | 41.93 | a | 34.19 | b | 37.45 | 50.80 | 63.84 | 69.03 | 76.04 | c | 76.67 | a | 69.83 | 61.23 | a | 49.32 | k | 37.00 | 56.18 | a | ||||||
| 1917 | 39.29 | g | 33.67 | a | 41.61 | 48.57 | 55.00 | a | 70.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.79 | g | |||
| 1918 | 32.11 | m | 40.60 | c | 45.87 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.60 | k |
| 1919 | 39.00 | 38.64 | 47.00 | 54.68 | b | 70.03 | b | 79.23 | 82.84 | 75.68 | 70.47 | 63.77 | 49.37 | 35.84 | 58.88 | |||||||||||
| 1920 | 30.23 | a | 33.18 | a | 45.97 | b | 52.83 | a | 63.61 | 73.80 | 81.20 | a | 79.87 | ----- | z | 66.00 | a | 48.17 | a | 40.23 | a | 55.92 | a | |||
| 1921 | 38.96 | d | 38.14 | 51.77 | 57.67 | 64.48 | 76.60 | 79.53 | a | 75.39 | 74.25 | b | 59.77 | a | 46.97 | a | 36.60 | a | 58.34 | |||||||
| 1922 | 32.40 | a | 35.75 | 44.93 | a | 54.40 | 68.90 | 75.43 | 76.39 | 73.77 | 67.03 | 56.21 | c | 48.21 | a | 38.89 | c | 56.03 | ||||||||
| 1923 | 33.13 | 31.93 | ----- | z | 59.96 | g | 69.61 | 82.23 | 81.94 | 78.42 | 76.40 | 62.84 | 52.60 | 49.53 | a | 61.86 | b | |||||||||
| 1924 | 41.10 | b | 33.90 | 46.30 | a | 56.47 | 65.73 | a | 75.40 | 82.61 | 81.65 | 74.87 | 61.38 | b | 51.04 | b | 38.77 | 59.10 | ||||||||
| 1925 | 37.41 | b | 46.00 | 47.65 | 56.27 | 63.68 | 75.73 | 76.23 | 75.32 | 69.53 | 54.87 | 48.33 | 41.10 | 57.68 | ||||||||||||
| 1926 | 37.52 | 32.82 | 38.94 | 50.30 | 62.06 | 69.20 | 75.58 | 78.45 | 68.43 | 59.90 | a | 52.24 | a | 36.33 | a | 55.15 | ||||||||||
| 1927 | 35.83 | a | 38.96 | a | 45.26 | 53.31 | a | 61.20 | a | 70.00 | 76.13 | 72.71 | 70.37 | 64.65 | 55.21 | b | 41.03 | 57.06 | ||||||||
| 1928 | 37.37 | a | 35.17 | 41.00 | 49.27 | 59.19 | 67.77 | 76.71 | 76.40 | a | 65.19 | d | 58.27 | a | 48.14 | a | 41.11 | d | 54.63 | |||||||
| 1929 | 34.81 | 35.48 | a | 44.74 | 50.23 | 63.42 | 72.40 | 75.26 | 72.00 | 66.83 | a | 55.61 | 47.17 | 36.71 | c | 54.56 | ||||||||||
| 1930 | 37.67 | d | 38.61 | 42.13 | 50.73 | 69.06 | 79.53 | 82.06 | 78.42 | 76.33 | 61.13 | 52.24 | a | 40.65 | e | 59.05 | ||||||||||
| 1931 | 35.90 | a | 36.74 | a | 42.00 | 52.93 | 64.45 | 70.47 | 77.29 | 78.33 | a | 73.10 | 64.68 | 54.83 | a | 42.10 | 57.73 | |||||||||
| 1932 | 44.24 | b | 36.86 | 41.06 | 53.33 | 64.06 | 71.23 | 77.06 | 76.61 | 67.40 | 59.26 | 47.93 | 42.32 | 56.78 | ||||||||||||
| 1933 | 45.03 | 40.41 | a | 42.45 | 53.17 | 67.48 | 73.38 | a | 76.19 | 76.55 | 70.37 | 59.71 | 45.60 | 36.70 | a | 57.25 | ||||||||||
| 1934 | 37.52 | 28.61 | 42.74 | 54.50 | 67.77 | 76.00 | 82.26 | 76.97 | 73.97 | 58.65 | 53.93 | a | 39.87 | 57.73 | ||||||||||||
| 1935 | 31.60 | a | 34.07 | 46.74 | ----- | z | 63.97 | 72.80 | 81.90 | 80.00 | 70.87 | 60.77 | 53.50 | 35.43 | a | 57.42 | a | |||||||||
| 1936 | 33.14 | b | 31.19 | b | 48.81 | ----- | z | 71.00 | v | 73.17 | a | 77.42 | 78.97 | 70.69 | a | 63.32 | 48.90 | 42.50 | a | 56.81 | b | |||||
| 1937 | 43.67 | a | 40.43 | 41.26 | 50.63 | 67.42 | 73.37 | 80.87 | 81.16 | 71.73 | 61.42 | 51.87 | 38.90 | 58.56 | ||||||||||||
| 1938 | 35.65 | 38.11 | 46.19 | 54.67 | 61.06 | 69.77 | 75.03 | 80.55 | 72.70 | 65.26 | 51.33 | r | 41.55 | 58.23 | a | |||||||||||
| 1939 | 36.39 | 42.39 | 42.48 | 51.60 | 64.71 | 71.20 | 77.77 | 81.27 | a | 72.03 | 63.84 | 48.87 | 40.90 | 57.79 | ||||||||||||
| 1940 | 29.10 | 36.03 | 38.29 | 47.63 | 63.45 | 72.60 | 79.45 | 76.06 | 72.10 | 58.94 | 49.83 | 44.23 | a | 55.64 | ||||||||||||
| 1941 | 33.16 | 36.71 | 40.94 | 58.90 | 69.19 | 75.67 | 79.42 | 80.45 | 76.20 | 65.55 | 55.97 | 43.42 | 59.63 | |||||||||||||
| 1942 | 36.55 | 34.96 | 46.35 | 55.80 | 67.35 | 73.60 | 78.23 | 77.42 | 72.63 | 63.65 | 53.07 | 35.48 | 57.92 | |||||||||||||
| 1943 | 33.87 | a | 38.75 | 44.90 | 51.33 | 64.61 | 79.20 | 80.10 | 78.29 | 71.07 | 62.87 | 52.73 | 39.58 | 58.11 | ||||||||||||
| 1944 | 39.16 | 41.45 | 43.84 | 53.00 | 70.55 | 74.63 | 82.94 | 82.58 | 74.60 | 62.97 | 52.60 | 39.42 | 59.81 | |||||||||||||
| 1945 | 31.55 | 37.07 | 50.90 | 58.93 | 59.81 | 71.77 | 76.48 | 75.77 | 72.13 | 59.61 | 50.73 | 34.87 | 56.64 | |||||||||||||
| 1946 | 37.81 | 37.46 | 53.71 | 52.03 | 63.35 | 73.10 | 78.52 | 74.94 | 74.00 | 68.48 | 57.13 | 46.74 | 59.77 | |||||||||||||
| 1947 | 44.00 | 37.81 | a | 44.87 | 52.53 | 63.13 | 70.43 | 78.74 | 78.52 | 73.70 | 69.61 | 49.70 | 39.68 | 58.56 | ||||||||||||
| 1948 | 33.00 | 35.79 | 44.94 | 53.57 | 59.90 | 68.03 | 79.10 | 78.55 | 72.53 | 60.45 | 54.60 | 42.03 | 56.87 | |||||||||||||
| 1949 | 42.48 | 42.57 | 44.52 | 57.40 | 65.32 | 76.80 | 81.16 | 79.97 | 70.47 | 65.42 | 51.40 | 45.16 | 60.22 | |||||||||||||
| 1950 | 45.58 | 38.04 | 42.74 | 52.33 | 61.00 | a | 73.79 | a | 79.17 | a | 75.55 | 68.00 | b | 64.26 | 54.20 | 42.19 | 58.07 | |||||||||
| 1951 | 42.45 | 42.52 | e | 44.74 | 56.27 | 65.26 | 71.83 | 79.84 | 77.26 | 73.30 | 63.97 | 52.03 | 44.52 | 59.50 | ||||||||||||
| 1952 | 42.90 | 41.79 | 44.87 | 58.00 | 65.03 | 76.40 | 84.52 | 77.94 | 72.93 | 60.03 | 52.00 | 42.16 | 59.88 | |||||||||||||
| 1953 | 41.45 | 42.50 | 45.26 | 53.73 | 63.29 | 74.87 | 77.07 | a | 76.23 | 71.67 | 61.84 | 54.07 | 47.16 | 59.09 | ||||||||||||
| 1954 | 36.87 | 43.59 | a | 45.35 | 54.48 | a | 60.19 | 69.34 | a | 74.55 | 72.71 | 67.17 | 64.10 | 50.03 | 43.06 | 56.79 | ||||||||||
| 1955 | 37.03 | 41.37 | a | 47.10 | 55.67 | 68.52 | 72.91 | g | 82.87 | a | 80.17 | a | 70.37 | 63.00 | 47.50 | 33.58 | 57.01 | a | ||||||||
| 1956 | 36.97 | 40.31 | 41.21 | l | 52.59 | a | 60.81 | e | 75.58 | d | 77.88 | e | 79.23 | 68.32 | b | 64.45 | b | 54.62 | a | 46.77 | 59.77 | a | ||||
| 1957 | 33.97 | a | 42.57 | 48.10 | 58.57 | 68.61 | 79.03 | 81.39 | 76.38 | b | 73.21 | a | 64.25 | c | 55.71 | b | 47.76 | b | 60.80 | |||||||
| 1958 | 39.77 | a | 34.29 | 45.77 | a | 56.30 | 62.35 | 70.80 | 78.52 | 78.06 | 71.50 | 61.77 | 55.17 | 36.00 | 57.52 | |||||||||||
| 1959 | 38.06 | 37.96 | 46.19 | 56.90 | 69.74 | 72.80 | 78.61 | 80.68 | 76.70 | 64.42 | 54.93 | a | 43.58 | 60.05 | ||||||||||||
| 1960 | 38.35 | 43.52 | 40.35 | 56.13 | 67.61 | 75.97 | 79.77 | 79.74 | 72.96 | b | 63.90 | 56.70 | 38.74 | 59.48 | ||||||||||||
| 1961 | 34.32 | 40.93 | a | 46.74 | 54.67 | 63.65 | 75.87 | 79.77 | 79.71 | 78.30 | 66.42 | 52.67 | 41.32 | 59.53 | ||||||||||||
| 1962 | 39.26 | 37.71 | 47.19 | 58.30 | 66.81 | 75.97 | 79.43 | c | 78.03 | a | 72.67 | 63.65 | 51.40 | 39.94 | 59.20 | |||||||||||
| 1963 | 38.33 | a | 38.64 | 48.52 | 60.63 | 67.58 | 78.93 | 83.94 | 81.71 | 69.73 | 68.87 | a | 55.24 | a | 34.42 | 60.55 | ||||||||||
| 1964 | 41.10 | 39.07 | 47.39 | 54.43 | 71.32 | 77.40 | 78.45 | 76.90 | 71.80 | 63.06 | 55.33 | 42.29 | 59.88 | |||||||||||||
| 1965 | 35.68 | 38.79 | 45.06 | 54.33 | 69.39 | 76.90 | 81.87 | 80.42 | 72.63 | 63.00 | 50.50 | 43.55 | 59.34 | |||||||||||||
| 1966 | 37.32 | 40.86 | 48.45 | 53.67 | 63.81 | 76.13 | 83.29 | 81.29 | 72.40 | 63.35 | 54.93 | 43.03 | 59.88 | |||||||||||||
| 1967 | 44.03 | 37.43 | 42.19 | 53.57 | 60.29 | 75.13 | 79.13 | 78.74 | d | 73.27 | 64.68 | c | 49.64 | b | 43.93 | a | 58.50 | |||||||||
| 1968 | 35.48 | 36.62 | 48.10 | 59.53 | 65.87 | 73.40 | 83.39 | 81.39 | 76.83 | 67.61 | 52.52 | a | 39.74 | 60.04 | ||||||||||||
| 1969 | 37.97 | 37.14 | 44.52 | 59.17 | 67.00 | 76.27 | 78.77 | 83.77 | 75.00 | 65.97 | 52.23 | 40.16 | 59.83 | |||||||||||||
| 1970 | 31.61 | 41.93 | 44.39 | 58.57 | 67.35 | 73.73 | 82.48 | 83.29 | 74.20 | 65.45 | 53.57 | 39.26 | 59.65 | |||||||||||||
| 1971 | 33.77 | 40.39 | 46.29 | 54.43 | 64.35 | 78.30 | 82.68 | 83.61 | 78.17 | 69.61 | 50.93 | 46.13 | 60.72 | |||||||||||||
| 1972 | 42.16 | 39.97 | 45.23 | 53.97 | 66.87 | 72.03 | 81.45 | 80.81 | 75.20 | 62.50 | a | 49.07 | 44.61 | 59.49 | ||||||||||||
| 1973 | 42.03 | 40.79 | 53.10 | 59.80 | 66.03 | 79.23 | 82.90 | 85.45 | 76.67 | 67.68 | 53.63 | 49.00 | 63.03 | |||||||||||||
| 1974 | 42.74 | 41.00 | ----- | z | 62.33 | l | 66.87 | 76.30 | 85.16 | 85.13 | 76.43 | 64.23 | 56.80 | 47.84 | 64.25 | b | ||||||||||
| 1975 | 46.45 | 43.21 | 48.58 | 56.43 | 71.77 | 77.87 | 84.65 | 85.00 | 74.30 | 69.39 | 62.37 | 46.32 | 63.86 | |||||||||||||
| 1976 | 38.84 | 53.00 | v | 46.87 | 61.33 | 65.06 | 75.40 | 78.71 | 78.00 | 72.47 | 58.55 | 47.37 | 36.97 | 59.96 | a | |||||||||||
| 1977 | 30.55 | 36.57 | 50.03 | 57.40 | 68.61 | 73.10 | 81.35 | 80.13 | 71.37 | 61.48 | 54.33 | 40.13 | 58.76 | |||||||||||||
| 1978 | 34.97 | 33.29 | 43.26 | 54.10 | 65.52 | 76.33 | 79.30 | a | 79.84 | 70.30 | 62.00 | 51.40 | 43.87 | 57.85 | ||||||||||||
| 1979 | 38.48 | 28.29 | 47.39 | 53.73 | 67.48 | 74.13 | 81.13 | 77.32 | 71.97 | 60.65 | 55.83 | 44.13 | 58.38 | |||||||||||||
| 1980 | 36.71 | 35.21 | 44.39 | 56.70 | 67.90 | 72.77 | 82.10 | 81.13 | 74.60 | 59.77 | 49.37 | 39.06 | 58.31 | |||||||||||||
| 1981 | 29.58 | 43.14 | 45.00 | 56.50 | 66.74 | 76.27 | 82.45 | 78.71 | 71.10 | 58.10 | 50.23 | 38.77 | 58.05 | |||||||||||||
| 1982 | 32.61 | c | 38.57 | e | 45.06 | 54.43 | b | 65.84 | 68.66 | a | 80.81 | 76.07 | a | 70.13 | 62.03 | b | 54.40 | 47.00 | f | 58.96 | a | |||||
| 1983 | 38.61 | 39.86 | 45.74 | 53.90 | 60.67 | a | 77.50 | 82.48 | 79.16 | 77.40 | 61.89 | d | 53.30 | 39.90 | a | 59.20 | ||||||||||
| 1984 | 34.42 | 44.00 | c | 39.27 | a | 52.57 | 62.94 | 75.33 | 78.45 | 80.06 | 70.27 | 62.58 | 52.47 | 47.61 | 58.33 | |||||||||||
| 1985 | 31.20 | a | ----- | z | 48.62 | b | 57.40 | 64.19 | 68.37 | 78.58 | 77.45 | 73.10 | 64.00 | 54.70 | 43.21 | b | 60.07 | a | ||||||||
| 1986 | 41.71 | 36.86 | 48.94 | 55.48 | a | 66.29 | 73.03 | 78.03 | 77.13 | 70.00 | 61.90 | 51.76 | a | 44.29 | 58.79 | |||||||||||
| 1987 | 39.15 | e | 38.89 | 49.42 | g | 56.76 | a | 68.19 | 78.17 | a | 81.90 | 80.06 | 73.17 | 62.40 | a | 52.37 | 41.77 | 61.17 | a | |||||||
| 1988 | 34.39 | 38.45 | 45.94 | 52.86 | a | 65.32 | 76.60 | 82.61 | 83.35 | 73.73 | 58.16 | 53.93 | 40.48 | 58.82 | ||||||||||||
| 1989 | 41.77 | 36.15 | a | 43.42 | 53.63 | 67.35 | 77.73 | 81.90 | 81.00 | 75.73 | 65.55 | 51.97 | 28.52 | 58.73 | ||||||||||||
| 1990 | 44.04 | d | 46.30 | h | 46.67 | a | 54.55 | a | 63.06 | 75.87 | 81.57 | a | 83.68 | 73.70 | 67.81 | 56.80 | e | 48.92 | e | 63.33 | a | |||||
| 1991 | 41.91 | i | 45.91 | e | 48.96 | c | 58.80 | 73.87 | 81.81 | d | 84.80 | a | 83.81 | 72.57 | 64.68 | 51.70 | 43.81 | 64.61 | a | |||||||
| 1992 | 38.06 | 39.24 | 41.35 | 51.87 | 66.03 | 75.67 | 80.13 | 78.61 | 72.57 | 60.48 | 49.20 | 41.77 | 57.92 | |||||||||||||
| 1993 | 37.61 | 33.68 | 42.23 | 53.33 | 69.77 | 77.47 | 84.29 | 82.61 | 72.73 | 61.35 | 54.38 | a | 40.29 | 59.15 | ||||||||||||
| 1994 | 30.97 | 33.39 | 46.06 | 59.27 | 64.10 | 77.90 | 85.10 | 79.65 | 72.23 | 63.13 | 57.46 | b | 46.06 | 59.61 | ||||||||||||
| 1995 | 41.74 | 37.44 | a | ----- | z | ----- | z | 64.16 | 77.33 | 84.06 | 83.16 | 72.40 | 67.94 | 50.03 | a | 36.16 | 61.44 | b | ||||||||
| 1996 | 35.77 | a | 36.38 | 43.45 | b | 54.63 | 66.66 | b | 76.23 | 79.61 | 80.17 | a | 72.45 | a | 62.48 | 46.93 | 45.34 | b | 58.34 | |||||||
| 1997 | 36.70 | a | 42.31 | b | 44.73 | a | 53.93 | 61.84 | 77.40 | 84.23 | 81.10 | 73.67 | 63.45 | 49.43 | 44.14 | c | 59.41 | |||||||||
| 1998 | 42.39 | 43.61 | 47.48 | 57.00 | 69.65 | 74.00 | 83.23 | 82.94 | 76.93 | 63.32 | 52.07 | 47.10 | 61.64 | |||||||||||||
| 1999 | 40.29 | 41.59 | a | 47.61 | 58.14 | a | 69.68 | 80.63 | 87.35 | 81.53 | a | 77.30 | 63.71 | 56.32 | b | 45.58 | 62.48 | |||||||||
| 2000 | 37.55 | b | 41.15 | b | 51.19 | 53.53 | 67.77 | 77.67 | 79.55 | 80.16 | 74.24 | a | 64.37 | a | 49.96 | c | 37.64 | c | 59.57 | |||||||
| 2001 | 36.65 | 40.72 | c | 43.06 | 56.48 | a | 70.13 | a | 82.07 | 81.10 | 85.97 | 77.13 | 66.80 | a | 59.21 | a | 51.36 | c | 62.56 | |||||||
| 2002 | 45.14 | b | 45.89 | 50.73 | a | 61.41 | a | 67.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.16 | g | ||
| 2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 37.53 | 37.89 | 45.14 | 54.65 | 65.45 | 74.47 | 79.96 | 78.65 | 72.20 | 62.57 | 51.85 | 41.24 | 58.50 | |||||||||||||
| S.D. | 4.19 | 3.73 | 3.32 | 2.91 | 3.19 | 3.27 | 2.77 | 3.10 | 2.80 | 3.06 | 3.27 | 4.12 | 1.82 | |||||||||||||
| SKEW | 0.04 | -0.17 | 0.10 | 0.07 | -0.24 | -0.00 | 0.06 | 0.11 | -0.04 | 0.06 | 0.12 | -0.12 | 0.18 | |||||||||||||
| MAX | 46.84 | 46.00 | 53.71 | 61.41 | 73.87 | 82.23 | 87.35 | 85.97 | 78.30 | 69.61 | 62.37 | 51.36 | 63.86 | |||||||||||||
| MIN | 29.10 | 28.29 | 37.45 | 47.63 | 55.00 | 67.53 | 74.16 | 71.61 | 65.19 | 54.87 | 43.11 | 28.52 | 53.87 | |||||||||||||
| YRS | 104 | 105 | 102 | 101 | 106 | 105 | 106 | 104 | 104 | 103 | 102 | 102 | 82 | |||||||||||||