| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1893 | ----- | z | ----- | z | ----- | z | ----- | z | 27.71 | 30.50 | 34.77 | 41.00 | b | 25.00 | 21.77 | ----- | z | ----- | z | 30.13 | f | |||||
| 1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.39 | 15.80 | 4.52 | 14.57 | i | |||
| 1895 | 1.13 | a | 6.63 | a | 13.39 | 21.50 | 29.63 | a | 31.77 | 36.65 | 37.13 | 31.80 | 22.10 | 8.53 | 1.97 | 20.19 | ||||||||||
| 1896 | 7.26 | 6.03 | 13.16 | 18.90 | 27.00 | 35.27 | 41.06 | 42.00 | 32.47 | 22.68 | 7.90 | a | 8.81 | 21.88 | ||||||||||||
| 1897 | 5.13 | 6.93 | 8.32 | 21.83 | 31.58 | 30.97 | 37.65 | 40.19 | 33.76 | e | 26.52 | 16.30 | 3.13 | 21.86 | ||||||||||||
| 1898 | 5.50 | i | 10.57 | 11.16 | 24.37 | 29.61 | 35.23 | 39.32 | 41.90 | 29.03 | ----- | z | ----- | z | 8.46 | c | 25.52 | c | ||||||||
| 1899 | 14.70 | d | ----- | z | 23.87 | a | 31.76 | e | 39.38 | b | ----- | z | ----- | z | 45.37 | a | 45.23 | 30.72 | b | 24.24 | a | 4.92 | g | 31.91 | d | |
| 1900 | 12.45 | 10.07 | a | 21.07 | a | 35.07 | ----- | z | ----- | z | 42.20 | p | 36.42 | 28.73 | 21.68 | ----- | z | ----- | z | 23.64 | e | |||||
| 1901 | ----- | z | 15.48 | a | 14.69 | b | 19.47 | 31.77 | a | 28.90 | 40.16 | 45.83 | b | 32.46 | q | 27.23 | ----- | z | 12.29 | c | 26.20 | c | ||||
| 1902 | 9.06 | 16.15 | b | 12.23 | 23.57 | 28.52 | 34.63 | ----- | z | ----- | z | 33.70 | 28.41 | d | ----- | z | ----- | z | 23.28 | d | ||||||
| 1903 | ----- | z | ----- | z | ----- | z | 41.82 | h | 38.35 | h | 38.04 | f | 69.20 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1904 | 3.70 | d | 11.04 | a | 13.52 | j | 23.27 | 29.55 | b | 33.53 | 40.55 | b | 39.68 | f | 32.34 | a | 22.19 | 12.37 | 4.00 | b | 21.25 | b | ||||
| 1905 | 8.81 | 12.59 | f | 19.94 | 25.57 | 28.52 | 33.77 | ----- | z | ----- | z | 32.46 | b | 17.31 | b | 17.50 | b | 3.16 | 20.78 | c | ||||||
| 1906 | 7.77 | 13.50 | 16.52 | 26.23 | 35.23 | 34.90 | 40.10 | 42.26 | ----- | z | 20.68 | c | 27.40 | y | ----- | z | 26.35 | c | ||||||||
| 1907 | ----- | z | ----- | z | 24.40 | a | 21.60 | 23.74 | 27.50 | 39.53 | a | 38.17 | b | 30.17 | 29.23 | 12.09 | h | 4.00 | f | 29.29 | d | |||||
| 1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1913 | 2.26 | 5.82 | 11.16 | 20.60 | 27.03 | 33.80 | 40.26 | 40.28 | b | 33.74 | c | 20.68 | ----- | z | ----- | z | 23.56 | b | ||||||||
| 1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1919 | ----- | z | 10.57 | g | 15.04 | h | 24.45 | a | 30.45 | 34.83 | 44.23 | 42.39 | 40.86 | i | 19.03 | a | 13.79 | b | 6.61 | 26.97 | d | |||||
| 1920 | 10.75 | c | 13.83 | 12.87 | a | 23.76 | a | ----- | z | 51.50 | t | ----- | z | ----- | z | ----- | z | 27.00 | q | 15.83 | a | ----- | z | 15.41 | g | |
| 1921 | ----- | z | ----- | z | ----- | z | 23.56 | c | 33.00 | 37.80 | 39.03 | 37.29 | 28.17 | ----- | z | 22.58 | d | 15.32 | 29.59 | d | ||||||
| 1922 | -2.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.20 | a | ----- | z | ----- | z | ----- | z | 15.83 | a | 18.23 | i | |
| 1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.89 | l | 45.58 | 40.87 | 35.85 | c | 20.81 | e | 16.93 | 6.45 | 27.75 | f | ||||
| 1924 | 1.68 | 14.86 | 12.29 | c | 20.70 | j | 31.10 | b | 37.20 | 41.81 | 40.26 | 32.80 | 23.17 | b | 13.39 | b | 4.97 | 23.05 | a | |||||||
| 1925 | 1.35 | 8.72 | c | 16.70 | a | 24.28 | a | 32.87 | a | 35.59 | a | 44.26 | 41.00 | b | 34.20 | 24.90 | b | 13.64 | e | 11.46 | g | 25.23 | a | |||
| 1926 | 7.97 | 11.11 | 18.13 | a | 28.43 | 34.52 | 37.97 | 41.00 | 41.16 | 32.03 | 24.57 | a | 11.48 | a | ----- | z | 26.22 | a | ||||||||
| 1927 | 14.68 | c | 8.29 | 19.13 | a | 23.86 | a | ----- | z | ----- | z | ----- | z | 50.36 | i | 41.31 | d | 26.00 | 23.87 | 11.60 | a | 21.09 | d | |||
| 1928 | 6.87 | a | ----- | z | 27.23 | i | 26.39 | b | 37.10 | ----- | z | ----- | z | 41.10 | a | 33.47 | 27.29 | 17.27 | 1.16 | 23.83 | d | |||||
| 1929 | -1.52 | b | -5.14 | 8.58 | 20.90 | 31.84 | 36.77 | 47.54 | e | 46.13 | a | 33.14 | a | 19.00 | o | 14.53 | ----- | z | 23.28 | b | ||||||
| 1930 | ----- | z | 11.89 | s | 18.52 | 27.57 | b | 27.66 | b | 35.00 | b | 44.13 | 44.59 | b | 34.73 | 24.87 | 12.07 | 4.26 | 27.34 | b | ||||||
| 1931 | 7.71 | 17.61 | 16.36 | c | 25.00 | c | 27.70 | a | 37.47 | 43.00 | b | 40.23 | 34.13 | 27.87 | 11.03 | a | 5.53 | a | 24.47 | |||||||
| 1932 | 1.74 | 8.76 | 14.61 | 23.13 | 28.00 | 34.73 | 48.62 | b | 50.90 | 44.63 | 27.47 | a | 17.03 | a | -3.16 | 24.71 | ||||||||||
| 1933 | -0.10 | -8.43 | 8.17 | a | 15.07 | 19.23 | 31.53 | 39.42 | 34.35 | 30.41 | a | 20.45 | 12.03 | 6.30 | d | 17.37 | ||||||||||
| 1934 | 5.26 | 18.39 | 20.39 | 23.67 | 32.23 | 32.53 | 39.10 | 43.10 | 29.50 | 24.84 | 17.70 | 9.71 | 24.70 | |||||||||||||
| 1935 | 12.61 | h | 11.27 | b | 11.93 | a | 21.87 | 27.08 | e | 35.63 | 41.00 | 41.42 | 32.77 | 19.03 | 12.97 | 7.94 | 23.90 | a | ||||||||
| 1936 | 4.93 | a | 8.86 | 13.93 | b | 22.77 | 28.87 | a | 38.87 | 45.35 | 42.45 | 30.37 | 23.94 | 13.17 | 9.00 | 23.54 | ||||||||||
| 1937 | -6.97 | a | 3.89 | 15.68 | 20.30 | c | 31.16 | 35.10 | 44.48 | 42.48 | 36.79 | f | 26.39 | 17.73 | 11.58 | 21.98 | a | |||||||||
| 1938 | 11.60 | a | 10.96 | 15.71 | 23.70 | 28.45 | 37.27 | 39.92 | e | 40.97 | a | 37.04 | b | 27.90 | 9.13 | 12.67 | a | 24.61 | ||||||||
| 1939 | 9.48 | -0.14 | 17.00 | 26.08 | d | 30.97 | 33.00 | 40.32 | 40.32 | 37.57 | 25.03 | 17.37 | 13.26 | 24.19 | ||||||||||||
| 1940 | 9.90 | a | 15.00 | 18.45 | 25.75 | b | 30.61 | 35.87 | 41.81 | 41.45 | 39.10 | 27.40 | a | 13.17 | a | 12.35 | 25.91 | |||||||||
| 1941 | 8.52 | 15.96 | 18.77 | 22.23 | 31.19 | 34.40 | 40.29 | 42.55 | 30.83 | 26.61 | 17.33 | 12.29 | 25.08 | |||||||||||||
| 1942 | 5.87 | 2.29 | 11.00 | 24.27 | 25.97 | 32.60 | 42.58 | 39.42 | 30.50 | 27.81 | 16.50 | 8.55 | 22.28 | |||||||||||||
| 1943 | 7.94 | 11.36 | 14.71 | 28.10 | 27.77 | 34.80 | 42.32 | 42.74 | 33.20 | 25.81 | 16.80 | 11.77 | 24.78 | |||||||||||||
| 1944 | 2.97 | 7.57 | a | 15.16 | 23.40 | 30.10 | 34.33 | 39.17 | a | 38.00 | 31.24 | a | 25.52 | 19.62 | a | 9.23 | 23.03 | |||||||||
| 1945 | 9.68 | 10.43 | 14.55 | 17.57 | 29.73 | a | 30.97 | 39.90 | 41.97 | 32.40 | 25.97 | 14.20 | 5.97 | 22.78 | ||||||||||||
| 1946 | 2.97 | 6.21 | 17.35 | 27.93 | 31.13 | 35.53 | 43.19 | 43.61 | 29.80 | 22.00 | a | 14.20 | 11.77 | 23.81 | ||||||||||||
| 1947 | 2.41 | b | 13.29 | 18.29 | 24.83 | 32.03 | 35.80 | 40.61 | 41.42 | 35.03 | 28.77 | a | 14.93 | 10.58 | 24.83 | |||||||||||
| 1948 | 8.52 | 7.14 | 10.90 | 26.93 | a | 32.94 | 38.47 | 40.26 | 38.35 | 34.10 | 24.39 | 11.60 | 8.29 | 23.49 | ||||||||||||
| 1949 | -1.77 | -0.57 | 18.48 | 26.97 | 34.35 | 37.40 | 41.90 | 38.45 | 32.57 | 23.13 | 19.87 | 7.71 | 23.21 | |||||||||||||
| 1950 | 1.39 | 8.46 | 19.90 | a | 27.17 | 30.00 | 33.03 | 39.16 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 22.73 | e | ||||||
| 1951 | ----- | z | ----- | z | ----- | z | 22.88 | f | 29.90 | b | 31.79 | a | 40.61 | 39.10 | 29.63 | 21.52 | 3.27 | ----- | z | 27.97 | e | |||||
| 1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.33 | j | 41.77 | 31.70 | ----- | z | 7.08 | d | 4.23 | 21.19 | h | |||
| 1953 | 9.86 | c | 4.04 | b | 14.67 | a | 17.27 | 27.03 | 34.43 | 43.06 | 40.94 | 31.50 | 23.61 | 17.77 | 4.35 | 22.38 | ||||||||||
| 1954 | 8.00 | 9.54 | 12.77 | 23.55 | a | 29.14 | q | 33.27 | 44.37 | a | 37.65 | 30.65 | m | 24.00 | a | 18.77 | 4.61 | 21.65 | b | |||||||
| 1955 | 0.90 | -2.86 | 6.50 | k | 16.07 | 29.26 | 33.10 | 39.52 | 43.70 | a | 30.62 | a | 23.19 | 9.63 | 11.19 | 21.30 | a | |||||||||
| 1956 | 9.35 | -11.36 | r | ----- | z | ----- | z | ----- | z | 31.94 | n | 34.71 | 35.56 | v | ----- | z | 16.83 | s | ----- | z | ----- | z | 22.03 | j | ||
| 1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.87 | h | 4.39 | l | ----- | z | ----- | z |
| 1958 | ----- | z | 10.68 | c | 4.82 | i | 19.71 | f | 30.38 | e | 34.26 | c | 37.39 | h | 40.70 | d | 33.86 | h | 20.19 | j | 13.26 | c | 12.69 | e | 23.66 | f |
| 1959 | 7.82 | c | 6.48 | e | 9.70 | h | 18.86 | h | 27.72 | b | 37.33 | 38.13 | h | 41.05 | k | 32.08 | d | 21.81 | d | 10.25 | f | 4.00 | f | 22.21 | f | |
| 1960 | -3.11 | d | -3.75 | i | 12.71 | g | 19.65 | g | 25.82 | c | 28.57 | g | 35.09 | t | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 11.36 | j |
| 1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 16.65 | h | 16.57 | 0.87 | 8.72 | j | ||
| 1971 | 6.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.50 | s | 13.67 | 2.29 | 7.42 | i | |||
| 1972 | 4.00 | 8.90 | 17.18 | c | 22.10 | a | 27.16 | 36.50 | 39.97 | 39.12 | e | 32.67 | 30.15 | d | ----- | z | 1.61 | 23.58 | a | |||||||
| 1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.55 | 31.70 | 23.81 | 14.77 | 7.61 | 23.49 | g | |||||
| 1974 | 1.52 | 0.96 | 18.87 | 21.10 | 29.67 | a | 34.80 | 42.68 | 35.97 | 30.77 | 28.00 | 19.07 | 5.61 | 22.42 | ||||||||||||
| 1975 | 3.00 | 8.00 | 13.19 | 19.14 | a | 26.87 | 34.07 | 43.00 | 35.39 | 31.00 | 21.73 | a | 13.43 | 10.42 | 21.60 | |||||||||||
| 1976 | 5.55 | 11.21 | 9.55 | 23.90 | 30.94 | 31.57 | 42.03 | 35.90 | 34.33 | 20.45 | 15.17 | 6.26 | 22.24 | |||||||||||||
| 1977 | 4.16 | 10.18 | 11.29 | 21.40 | 26.61 | 36.03 | 37.74 | 38.65 | 28.83 | 23.23 | 11.36 | b | 1.87 | 20.95 | ||||||||||||
| 1978 | 4.35 | 1.36 | 7.87 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.53 | i | |||
| 1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 16.33 | 8.21 | c | 12.27 | j | |
| 1987 | 4.65 | 8.93 | 11.96 | c | 21.30 | 31.48 | 35.50 | 38.45 | b | 43.89 | v | 29.70 | 24.23 | 15.27 | 2.41 | b | 20.35 | a | ||||||||
| 1988 | 2.23 | a | 5.86 | 9.39 | 22.30 | 27.97 | 37.70 | 41.81 | 37.74 | 29.23 | 27.23 | 14.57 | 3.58 | 21.63 | ||||||||||||
| 1989 | -4.03 | 0.41 | a | 18.00 | 24.17 | 27.29 | 31.10 | 41.68 | 39.10 | b | 31.50 | 21.00 | e | 14.50 | 5.27 | a | 20.83 | |||||||||
| 1990 | 1.42 | 4.61 | 17.58 | 24.60 | 23.16 | 33.77 | 42.85 | e | 38.39 | 36.38 | a | 21.23 | a | 10.77 | -5.45 | 20.77 | ||||||||||
| 1991 | 0.18 | c | 10.46 | 9.65 | 12.73 | 17.40 | a | 33.79 | a | 37.97 | a | 39.45 | 32.93 | a | 22.32 | 11.65 | d | 0.87 | a | 19.12 | ||||||
| 1992 | 1.27 | e | 10.83 | f | 17.96 | c | 24.21 | b | 30.89 | d | 34.37 | 38.00 | ----- | z | 31.39 | b | 20.62 | b | 7.60 | -3.48 | b | 20.28 | b | |||
| 1993 | 1.77 | e | 1.92 | d | 13.42 | e | 17.76 | e | 30.71 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.50 | d | 1.57 | c | 6.99 | f |
| 1994 | 8.41 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
| 1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.77 | a | 40.36 | f | 36.92 | d | 24.03 | b | 15.04 | e | 2.63 | d | 24.48 | g |
| 1999 | 10.67 | j | 6.80 | c | 13.62 | g | 15.36 | e | 23.79 | c | 33.69 | d | 42.00 | h | 40.65 | e | 30.10 | a | 19.68 | c | ----- | z | ----- | z | 24.30 | e |
| 2000 | 13.42 | e | 12.58 | c | 13.17 | b | 21.60 | e | 29.76 | f | 32.12 | d | 38.00 | b | 45.42 | e | 33.13 | 25.20 | a | 3.00 | c | 6.57 | a | 22.20 | a | |
| 2001 | 3.31 | e | 6.73 | b | 16.69 | e | 19.45 | j | 28.55 | b | 31.56 | c | 40.32 | f | 41.68 | c | 34.43 | 23.60 | a | 14.27 | -2.17 | b | 19.86 | b | ||
| 2002 | -4.61 | c | -3.36 | c | 3.30 | a | 16.19 | d | 20.90 | 23.68 | b | ----- | z | ----- | z | ----- | z | 22.11 | v | ----- | z | ----- | z | 9.35 | f | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 4.75 | 7.82 | 14.81 | 22.97 | 29.18 | 34.16 | 41.08 | 40.70 | 32.83 | 24.13 | 14.21 | 6.40 | 22.71 | |||||||||||||
| S.D. | 4.80 | 5.69 | 4.18 | 3.98 | 3.77 | 2.73 | 2.76 | 2.91 | 3.57 | 3.00 | 4.29 | 4.74 | 1.95 | |||||||||||||
| SKEW | -0.07 | -0.62 | -0.14 | -0.01 | -0.47 | -1.08 | 0.24 | 0.55 | 1.39 | 0.10 | -0.31 | -0.23 | -0.68 | |||||||||||||
| MAX | 14.70 | 18.39 | 24.40 | 35.07 | 39.38 | 38.87 | 48.62 | 50.90 | 45.23 | 30.72 | 24.24 | 15.83 | 25.91 | |||||||||||||
| MIN | -6.97 | -8.43 | 3.30 | 12.73 | 17.40 | 23.68 | 34.71 | 34.35 | 25.00 | 17.31 | 3.00 | -5.45 | 17.37 | |||||||||||||
| YRS | 60 | 57 | 57 | 60 | 61 | 60 | 56 | 59 | 60 | 62 | 61 | 59 | 29 | |||||||||||||