| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1901 | ----- | z | 27.87 | e | 30.58 | 37.83 | 50.53 | a | 50.00 | b | 65.37 | d | 66.45 | 48.30 | 42.06 | 27.37 | c | 26.56 | d | 42.99 | ||||||
| 1902 | 18.06 | 28.61 | 31.65 | 37.20 | 47.06 | 53.80 | 58.90 | 62.32 | 48.20 | 40.48 | 31.27 | 21.77 | 39.94 | |||||||||||||
| 1903 | 21.81 | 13.44 | a | 31.61 | 36.50 | 44.19 | 60.50 | 59.55 | 61.68 | 49.76 | a | 37.26 | 30.14 | a | 22.55 | 39.08 | ||||||||||
| 1904 | 18.87 | 22.86 | 31.74 | 38.90 | 48.29 | 52.83 | 62.29 | 61.48 | 52.97 | 37.90 | 26.50 | 18.58 | 39.44 | |||||||||||||
| 1905 | 22.65 | 19.43 | 32.65 | 39.80 | 44.65 | 52.10 | a | 65.68 | 62.84 | 51.31 | a | 31.23 | 22.70 | 15.45 | 38.37 | |||||||||||
| 1906 | 14.68 | 24.21 | 25.77 | 40.17 | ----- | z | ----- | z | 68.65 | 64.26 | 50.00 | 40.77 | 30.40 | 29.90 | 38.88 | |||||||||||
| 1907 | 18.21 | b | 29.73 | b | 34.47 | a | 39.80 | 48.07 | a | ----- | z | ----- | z | 46.50 | a | 42.27 | ----- | z | 30.84 | k | 26.22 | d | 35.66 | |||
| 1908 | 29.82 | c | ----- | z | ----- | z | 34.67 | z | 42.90 | 53.40 | 63.65 | 64.06 | 43.20 | 34.74 | 30.13 | 23.00 | j | 45.24 | ||||||||
| 1909 | 29.35 | 27.21 | 38.13 | 40.62 | a | 42.29 | 56.47 | 55.68 | 59.06 | 52.50 | b | 43.45 | 29.57 | 19.13 | 41.12 | |||||||||||
| 1910 | 10.10 | 21.29 | 36.45 | 40.10 | 41.90 | 65.77 | ----- | z | ----- | z | ----- | z | 40.58 | ----- | z | 31.81 | 36.00 | |||||||||
| 1911 | 24.32 | 25.82 | 33.13 | 34.40 | 46.86 | c | 62.24 | a | 66.93 | b | 59.90 | 46.27 | 32.10 | 26.40 | 22.13 | 40.04 | ||||||||||
| 1912 | ----- | z | 37.85 | i | 43.84 | 48.87 | ----- | z | 71.03 | 82.26 | ----- | z | ----- | z | 33.84 | 31.20 | 22.55 | 47.65 | ||||||||
| 1913 | 15.86 | b | 26.43 | 30.03 | 38.00 | 48.52 | b | 54.86 | a | 61.52 | 61.77 | 49.07 | 35.19 | 34.00 | 19.58 | 39.57 | ||||||||||
| 1914 | 23.10 | 24.36 | 30.77 | 40.43 | 49.26 | 50.70 | 67.55 | 66.55 | b | 46.17 | 39.27 | a | 21.43 | 10.29 | c | 39.16 | ||||||||||
| 1915 | 12.50 | a | 32.74 | a | ----- | z | 44.41 | a | ----- | z | 52.13 | 62.26 | 67.97 | 48.63 | 35.10 | a | 26.97 | 20.00 | 40.27 | |||||||
| 1916 | 16.84 | 23.66 | 31.30 | a | 37.80 | ----- | z | ----- | z | ----- | z | 59.94 | 49.27 | 35.19 | 21.67 | 14.00 | 32.18 | |||||||||
| 1917 | ----- | z | 17.32 | 24.52 | 36.20 | ----- | z | ----- | z | ----- | z | ----- | z | 53.29 | b | 38.16 | ----- | z | 33.13 | a | 33.77 | |||||
| 1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.88 | n | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.53 | 57.83 | g | 62.83 | h | 56.63 | 36.81 | ----- | z | ----- | z | 46.66 | ||||
| 1924 | 13.81 | 25.14 | 28.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.84 | 25.80 | 10.29 | 23.46 | |||||||
| 1925 | 14.74 | 29.32 | 30.65 | 40.70 | 51.90 | 50.70 | t | ----- | z | 59.97 | b | 50.53 | 37.10 | 26.40 | e | 26.30 | a | 36.76 | ||||||||
| 1926 | 21.66 | b | 30.48 | a | 32.48 | 42.57 | 45.32 | 58.80 | 63.61 | 62.65 | 45.23 | 38.19 | 31.43 | 22.58 | 41.25 | |||||||||||
| 1927 | 28.26 | 34.11 | 33.16 | 35.07 | 42.19 | 53.28 | a | ----- | z | 64.23 | 50.97 | 39.39 | 31.93 | 12.13 | a | 38.61 | ||||||||||
| 1928 | 21.96 | e | 20.89 | b | 37.10 | a | 39.27 | 52.39 | 50.83 | 66.26 | 58.81 | 48.23 | 38.10 | 30.47 | 5.47 | l | 42.21 | |||||||||
| 1929 | 8.93 | a | 13.59 | a | 31.84 | 33.30 | 45.93 | a | 51.77 | 63.26 | 62.60 | a | 50.40 | 37.90 | 22.20 | e | 25.81 | 37.29 | ||||||||
| 1930 | 11.03 | 32.25 | 34.48 | 42.80 | 44.77 | 52.60 | 67.30 | a | 66.13 | 54.13 | 34.06 | 18.70 | 11.32 | 39.13 | ||||||||||||
| 1931 | 17.68 | 23.96 | 26.10 | 28.20 | 42.74 | 57.93 | 68.35 | 64.42 | 48.47 | 36.77 | 20.97 | 10.71 | 37.19 | |||||||||||||
| 1932 | 9.84 | 10.41 | 29.87 | 34.20 | 44.55 | 56.10 | 55.94 | 57.94 | 54.43 | 43.19 | 29.67 | 10.84 | 36.41 | |||||||||||||
| 1933 | 18.32 | 7.00 | 29.84 | 37.10 | 43.32 | 61.17 | 62.65 | 63.58 | 43.13 | 42.00 | 29.40 | 31.19 | 39.06 | |||||||||||||
| 1934 | 30.29 | 32.86 | 37.77 | 47.53 | 53.33 | a | 55.43 | 64.48 | 65.55 | 49.80 | 41.71 | 35.20 | 26.68 | 45.05 | ||||||||||||
| 1935 | 21.42 | 25.96 | 28.50 | a | 37.81 | c | 47.00 | 55.40 | 63.10 | 60.97 | 53.73 | 40.27 | a | 22.90 | 20.69 | b | 39.81 | |||||||||
| 1936 | 21.77 | 17.14 | a | 28.87 | 42.13 | 50.26 | 57.00 | 66.10 | 63.32 | 48.73 | 43.06 | 19.90 | 18.57 | a | 39.74 | |||||||||||
| 1937 | 3.90 | 19.93 | 32.39 | 35.90 | 45.77 | 56.37 | 64.16 | 58.00 | 52.27 | 42.84 | 34.87 | 29.06 | 39.62 | |||||||||||||
| 1938 | 26.84 | 30.71 | 32.03 | 33.00 | l | 45.74 | 55.40 | 64.07 | a | 59.32 | 56.30 | 41.47 | a | 25.13 | 25.00 | 42.00 | ||||||||||
| 1939 | 26.03 | 24.44 | a | 33.97 | 38.87 | 49.97 | 52.07 | 65.71 | 64.70 | a | 51.87 | 40.79 | b | 25.00 | 27.27 | a | 41.72 | |||||||||
| 1940 | 25.10 | 28.62 | 37.16 | 41.83 | 49.97 | 59.24 | a | 65.65 | 66.94 | 54.90 | 43.26 | 28.11 | b | 23.67 | a | 43.70 | ||||||||||
| 1941 | 25.74 | 32.36 | 40.81 | 40.57 | 50.16 | 54.00 | 65.39 | 62.29 | 48.00 | 36.58 | 28.90 | 26.61 | 42.62 | |||||||||||||
| 1942 | 18.26 | 25.62 | b | 28.65 | 38.93 | 44.81 | 51.20 | 65.65 | ----- | z | 54.04 | b | 42.10 | 31.17 | 28.45 | 38.99 | ||||||||||
| 1943 | 22.61 | 26.75 | 29.35 | 44.28 | a | 45.81 | e | 53.80 | 65.00 | 60.52 | 56.87 | 44.03 | ----- | z | 26.13 | 43.20 | ||||||||||
| 1944 | 17.03 | 28.96 | a | 30.45 | 40.29 | b | 47.77 | 52.10 | 63.52 | f | 60.35 | 52.10 | 42.90 | 32.87 | 23.45 | 38.93 | ||||||||||
| 1945 | 26.19 | 32.00 | 32.48 | 39.50 | 48.42 | 52.73 | 65.90 | 61.71 | 45.61 | b | 42.77 | 31.57 | 24.65 | 41.96 | ||||||||||||
| 1946 | 23.29 | 25.14 | 34.29 | 43.00 | 48.03 | 55.30 | 65.65 | 64.13 | 49.57 | 37.94 | 32.80 | 29.65 | 42.40 | |||||||||||||
| 1947 | 17.35 | 31.50 | 36.97 | a | 40.07 | 54.03 | 53.57 | 66.39 | 62.03 | 51.77 | 43.94 | 32.57 | 28.23 | 43.20 | ||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.13 | 61.52 | 50.53 | 36.88 | f | 29.53 | 13.26 | 43.19 | ||||||
| 1949 | 4.03 | a | 20.33 | a | 34.71 | 40.13 | 51.61 | 55.48 | a | 63.03 | 64.81 | 53.22 | g | 34.16 | 29.23 | 19.97 | 37.96 | |||||||||
| 1950 | 14.16 | 19.93 | 28.61 | 35.36 | b | 42.23 | 52.19 | c | 64.72 | b | 63.27 | a | 52.43 | 43.32 | 31.43 | 29.91 | i | 40.70 | ||||||||
| 1951 | 22.00 | 26.36 | ----- | z | ----- | z | ----- | z | 51.30 | 64.43 | a | 58.58 | 50.79 | a | 37.62 | b | 28.40 | 22.23 | a | 40.19 | ||||||
| 1952 | 17.55 | 19.57 | a | 30.74 | 35.97 | 47.16 | 54.73 | 61.58 | 62.83 | a | 52.75 | b | 42.10 | 25.43 | 27.07 | a | 39.79 | |||||||||
| 1953 | 31.42 | 29.86 | 31.71 | 37.33 | 42.03 | 49.66 | a | 63.65 | 59.26 | 52.93 | 38.34 | b | 31.27 | 24.06 | 40.96 | |||||||||||
| 1954 | 27.60 | a | 28.86 | 30.00 | 38.40 | 47.77 | 49.68 | b | 62.93 | a | 58.48 | 50.93 | 37.48 | 31.62 | a | 19.19 | 40.25 | |||||||||
| 1955 | 14.97 | a | 18.59 | a | 26.10 | 34.63 | 43.87 | 56.70 | 60.06 | 64.65 | 52.17 | a | 38.68 | 26.37 | 24.16 | 38.41 | ||||||||||
| 1956 | 24.03 | 18.14 | 30.45 | 40.43 | 49.39 | 51.67 | 66.17 | a | 60.84 | 49.66 | a | 38.90 | 25.43 | 23.06 | 39.85 | |||||||||||
| 1957 | 11.90 | a | 22.71 | 33.58 | 39.70 | 50.00 | 55.43 | 61.84 | 61.97 | a | 51.63 | 41.32 | 27.53 | 27.16 | 40.40 | |||||||||||
| 1958 | 20.87 | 30.43 | 31.16 | 37.70 | 52.87 | 57.20 | 63.55 | 64.13 | 49.83 | 40.94 | 28.93 | 28.34 | b | 42.16 | ||||||||||||
| 1959 | 26.29 | 30.04 | 29.39 | 39.93 | 42.65 | 56.50 | 64.23 | 60.16 | 49.60 | 40.55 | 23.39 | b | 18.77 | 40.12 | ||||||||||||
| 1960 | 17.65 | 25.28 | 32.87 | 37.90 | 43.03 | 55.63 | 69.03 | 58.77 | 54.40 | 38.29 | 31.74 | g | ----- | z | 43.29 | |||||||||||
| 1961 | ----- | z | 31.79 | i | 35.13 | 38.87 | 47.65 | 62.53 | 68.06 | 68.71 | 47.67 | 38.32 | 26.93 | 23.90 | 45.78 | |||||||||||
| 1962 | 15.03 | 26.04 | 30.32 | 40.67 | 47.39 | 55.77 | d | ----- | z | 55.33 | p | 53.53 | 40.87 | 32.60 | 27.57 | c | 36.98 | |||||||||
| 1963 | 17.35 | 32.00 | b | 32.45 | 36.30 | 50.68 | 53.93 | 61.26 | 64.55 | 53.11 | b | 43.00 | 31.57 | 21.55 | 41.48 | |||||||||||
| 1964 | 18.03 | 15.41 | 26.23 | 35.40 | 43.90 | 52.27 | 62.32 | 58.65 | 49.00 | c | 38.68 | 29.63 | 23.74 | 37.77 | ||||||||||||
| 1965 | 26.77 | 26.50 | 28.00 | c | 41.47 | 45.81 | 56.73 | 62.46 | c | 59.77 | 48.00 | 38.32 | 32.37 | 23.00 | c | 40.77 | ||||||||||
| 1966 | 26.81 | 24.92 | d | 30.46 | c | 38.67 | 49.13 | 54.53 | 64.23 | 62.58 | 57.83 | l | 36.74 | 35.20 | 27.61 | 40.99 | ||||||||||
| 1967 | 28.06 | 27.43 | 32.17 | b | 36.63 | 46.13 | 56.73 | 69.23 | 67.81 | 53.40 | 36.42 | 31.80 | 19.10 | 42.08 | ||||||||||||
| 1968 | 19.94 | 31.24 | 33.35 | 34.60 | 47.10 | 56.43 | 66.84 | 59.29 | 48.40 | 35.94 | 31.90 | 24.26 | 40.77 | |||||||||||||
| 1969 | 21.87 | 25.18 | 29.23 | a | 38.83 | 50.65 | 57.63 | 60.03 | 61.10 | 51.77 | 35.13 | 25.90 | 27.65 | 40.41 | ||||||||||||
| 1970 | 27.55 | 28.61 | 32.48 | 32.77 | 45.45 | 58.50 | 63.23 | 63.26 | 45.07 | 35.35 | 32.59 | m | 23.10 | 41.40 | ||||||||||||
| 1971 | 25.10 | 27.71 | 29.32 | 38.80 | 50.53 | a | 53.20 | 64.42 | 64.16 | 43.53 | m | 37.81 | 29.40 | 18.23 | e | 39.88 | ||||||||||
| 1972 | 19.42 | 25.69 | c | 33.65 | 35.20 | 47.39 | c | 57.23 | 60.55 | 63.42 | 46.73 | 44.35 | 34.07 | 16.32 | 40.34 | |||||||||||
| 1973 | 23.45 | 29.29 | 34.14 | b | 40.85 | d | 47.97 | 54.53 | 66.23 | 61.26 | 50.26 | c | 40.39 | c | 32.43 | 29.61 | 42.53 | |||||||||
| 1974 | 20.16 | 28.32 | 32.65 | 37.67 | 45.58 | 59.90 | 63.48 | 61.23 | 52.29 | f | 37.90 | 29.97 | 22.94 | 39.98 | ||||||||||||
| 1975 | 16.45 | 24.18 | 30.35 | 36.40 | 43.94 | 53.60 | 67.16 | 55.84 | f | 51.53 | 37.77 | 26.07 | 22.35 | 37.26 | ||||||||||||
| 1976 | 18.74 | 22.21 | 25.58 | 37.87 | 45.77 | 50.97 | 64.03 | 56.19 | 51.63 | 35.61 | 27.47 | 14.39 | 37.54 | |||||||||||||
| 1977 | 13.32 | 23.32 | 29.74 | 41.73 | 44.84 | 61.63 | 61.90 | 62.81 | 50.76 | a | 40.26 | d | 29.77 | 29.65 | 40.81 | |||||||||||
| 1978 | 28.52 | 32.32 | 37.10 | 39.23 | 45.00 | 53.93 | 64.10 | 59.74 | 47.17 | 39.87 | 27.30 | 16.29 | 40.88 | |||||||||||||
| 1979 | 6.84 | 26.61 | 33.26 | 37.70 | 51.64 | i | 56.43 | 65.81 | 64.03 | 53.80 | 41.55 | 23.47 | 24.55 | 39.46 | ||||||||||||
| 1980 | 22.00 | 31.45 | 30.61 | 39.53 | 47.90 | 51.87 | 63.71 | 57.74 | 49.27 | 35.74 | 27.73 | 23.71 | 40.11 | |||||||||||||
| 1981 | 28.42 | 24.43 | 32.90 | 38.70 | 46.71 | 51.87 | 60.68 | 64.39 | 50.63 | 36.65 | 31.40 | 23.68 | i | 42.43 | ||||||||||||
| 1982 | 14.61 | 17.64 | 29.90 | 32.27 | 44.97 | 56.20 | 60.10 | 61.52 | 50.30 | 36.42 | 24.37 | 20.58 | 37.41 | |||||||||||||
| 1983 | 24.39 | 30.18 | 34.35 | 35.97 | 46.35 | 52.30 | 57.81 | 60.48 | 47.03 | 37.71 | 32.10 | 19.06 | 39.81 | |||||||||||||
| 1984 | 18.42 | 20.69 | 31.94 | 37.67 | 41.61 | 52.67 | 64.19 | 61.26 | 46.33 | 33.13 | 30.47 | 11.55 | 37.49 | |||||||||||||
| 1985 | 8.39 | 18.14 | 27.71 | 41.37 | 48.94 | 56.33 | 69.06 | 55.71 | 43.47 | 33.81 | 18.37 | ----- | z | 38.30 | ||||||||||||
| 1986 | ----- | z | 28.54 | 34.58 | 37.97 | 44.13 | 57.53 | ----- | z | ----- | z | 48.50 | 37.35 | 29.50 | 20.68 | 37.64 | ||||||||||
| 1987 | 15.84 | 26.64 | c | 34.13 | 40.57 | 52.61 | 58.57 | 61.10 | 60.74 | ----- | z | 36.61 | 30.14 | a | 24.52 | 40.13 | ||||||||||
| 1988 | 15.00 | 24.10 | 31.19 | 39.40 | 46.84 | 60.00 | 65.48 | b | 59.77 | 48.50 | 43.61 | 31.87 | 18.19 | 40.33 | ||||||||||||
| 1989 | 8.65 | 10.61 | 32.16 | 40.53 | 45.77 | 57.43 | 63.68 | 56.61 | 48.97 | 37.00 | 25.57 | 19.48 | 37.21 | |||||||||||||
| 1990 | 24.03 | 22.82 | 33.58 | 45.17 | 46.68 | 56.43 | 65.39 | 62.32 | 58.30 | 36.06 | 28.03 | 9.84 | 40.72 | |||||||||||||
| 1991 | 15.48 | 28.57 | 31.74 | 38.10 | 45.58 | 51.50 | 65.29 | ----- | z | 51.10 | 38.97 | 28.67 | 20.55 | 37.78 | ||||||||||||
| 1992 | 24.00 | 30.48 | 36.52 | 40.40 | 50.29 | 54.50 | 60.61 | 61.42 | 49.47 | 39.61 | 27.60 | 15.29 | 40.85 | |||||||||||||
| 1993 | 14.13 | 17.25 | 31.03 | 36.97 | 50.00 | 50.43 | 54.87 | 54.90 | 49.00 | 38.58 | 18.83 | 24.39 | 36.70 | |||||||||||||
| 1994 | 27.87 | 21.57 | 29.52 | 41.10 | 49.45 | 55.30 | 64.06 | 63.35 | 51.70 | 35.68 | 23.63 | 20.39 | 40.30 | |||||||||||||
| 1995 | 23.26 | 29.04 | 32.77 | 37.60 | 49.10 | 53.10 | 60.19 | 52.84 | 50.03 | 32.52 | 30.27 | 25.16 | 39.66 | |||||||||||||
| 1996 | 21.52 | 22.90 | 32.39 | 37.33 | 46.00 | 53.70 | 64.48 | 58.81 | 47.07 | 36.29 | 29.47 | 23.68 | 39.47 | |||||||||||||
| 1997 | 23.42 | 26.64 | 32.03 | 38.03 | 50.13 | 56.40 | 60.39 | 59.74 | 49.63 | 35.06 | 27.37 | 20.90 | 39.98 | |||||||||||||
| 1998 | 22.48 | 28.14 | 32.48 | 38.80 | 46.35 | 51.87 | 67.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.02 | ||||||||
| 1999 | 24.83 | a | 22.39 | 30.00 | e | 36.97 | 45.53 | a | 54.03 | 59.13 | 58.97 | a | 45.87 | 33.97 | 28.00 | 22.32 | 38.50 | |||||||||
| 2000 | 18.71 | 28.38 | ----- | z | 40.60 | 47.10 | 57.13 | 63.42 | 63.10 | 47.93 | ----- | z | ----- | z | ----- | z | 45.80 | |||||||||
| 2001 | ----- | z | 22.64 | 34.13 | 37.48 | c | 47.97 | 54.57 | 63.23 | 63.58 | ----- | z | 35.65 | ----- | z | 20.39 | 42.18 | |||||||||
| 2002 | 23.90 | 21.46 | ----- | z | 40.37 | 45.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.77 | |||||
| 2003 | 29.94 | ----- | z | 35.72 | f | 37.71 | i | 49.14 | i | 57.63 | 69.00 | e | 63.17 | m | 49.61 | l | 42.14 | i | 22.28 | e | 26.77 | 41.12 | ||||
| 2004 | 18.00 | e | 24.38 | 35.19 | e | 42.63 | 47.46 | e | 57.00 | g | 64.96 | e | 62.87 | 49.60 | e | 41.32 | 28.63 | 25.65 | e | 40.06 | ||||||
| 2005 | 21.08 | g | 22.36 | 31.81 | 38.90 | 47.35 | 52.57 | 61.71 | 63.71 | 46.27 | 36.87 | 25.37 | 14.74 | 40.15 | ||||||||||||
| 2006 | 24.23 | 20.39 | 31.45 | 39.97 | 49.03 | 58.20 | 68.87 | 59.35 | 47.63 | 35.52 | 29.57 | 20.35 | 40.38 | |||||||||||||
| 2007 | 17.55 | 27.21 | 33.03 | 38.40 | 49.94 | 56.62 | a | 70.10 | 62.94 | 49.77 | 36.23 | 26.47 | 22.81 | 40.92 | ||||||||||||
| 2008 | 15.52 | 21.76 | 27.68 | 31.93 | 48.23 | 55.50 | 63.87 | ----- | z | ----- | z | ----- | z | 29.46 | d | 17.57 | a | 34.61 | ||||||||
| 2009 | 20.03 | 23.25 | 30.10 | 37.67 | 47.84 | 55.17 | 64.52 | 60.94 | 53.33 | 37.03 | 25.37 | 16.42 | 39.30 | |||||||||||||
| 2010 | 25.55 | 29.68 | 30.68 | 36.47 | 42.97 | 53.97 | 61.68 | 60.16 | 50.97 | 42.58 | 28.97 | 20.77 | 40.37 | |||||||||||||
| 2011 | 19.73 | a | 23.50 | 30.74 | 34.97 | 43.61 | 51.27 | 62.39 | 64.52 | ----- | z | 37.94 | ----- | z | ----- | z | 40.96 | |||||||||
| 2012 | 21.97 | 25.93 | 32.77 | 38.37 | 45.10 | 53.47 | 67.65 | 63.61 | 52.37 | 36.81 | 31.33 | 24.13 | 41.12 | |||||||||||||
| 2013 | 9.29 | 25.41 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 17.35 | ||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 19.95 | 24.90 | 31.91 | 38.64 | 47.01 | 55.09 | 64.05 | 61.59 | 50.12 | 38.42 | 28.26 | 21.94 | 40.08 | |||||||||||||
| S.D. | 6.12 | 5.29 | 3.15 | 3.09 | 2.87 | 3.58 | 3.57 | 3.29 | 3.11 | 3.06 | 3.80 | 5.36 | 1.72 | |||||||||||||
| SKEW | -0.42 | -0.84 | 0.60 | 0.09 | 0.19 | 1.18 | 1.02 | -1.09 | -0.05 | 0.08 | -0.62 | -0.44 | 0.14 | |||||||||||||
| MAX | 31.42 | 34.11 | 43.84 | 48.87 | 54.03 | 71.03 | 82.26 | 68.71 | 58.30 | 44.35 | 35.20 | 33.13 | 45.05 | |||||||||||||
| MIN | 3.90 | 7.00 | 24.52 | 28.20 | 41.61 | 46.53 | 54.87 | 46.50 | 42.27 | 31.23 | 18.37 | 9.84 | 36.41 | |||||||||||||
| NO YRS | 99 | 102 | 99 | 100 | 96 | 98 | 95 | 93 | 93 | 100 | 95 | 96 | 62 | |||||||||||||