YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.38 | g | 53.13 | 44.80 | a | 48.97 | j | |
1906 | 44.93 | b | 54.32 | 56.68 | f | 69.00 | 66.23 | 69.47 | 87.35 | 82.29 | 72.97 | a | 63.26 | 49.38 | a | 44.77 | 64.00 | a | ||||||||
1907 | 39.26 | 50.07 | 50.42 | 61.00 | 72.14 | b | 73.86 | a | 81.90 | 74.68 | 72.00 | 67.48 | 53.57 | p | 44.71 | 62.50 | a | |||||||||
1908 | 45.37 | d | 43.85 | i | 50.86 | c | 62.83 | g | 62.53 | a | 73.07 | a | 85.66 | b | 80.45 | 75.20 | 62.52 | 55.43 | 42.53 | a | 63.36 | b | ||||
1909 | 38.35 | 46.64 | 55.58 | 58.33 | 65.45 | 75.69 | a | 76.26 | 79.77 | 72.75 | b | 62.34 | b | 45.64 | b | 35.61 | 59.37 | |||||||||
1910 | 38.58 | 36.61 | 57.74 | ----- | z | 69.94 | 71.63 | 78.16 | 74.42 | 72.47 | 61.52 | 48.93 | 46.48 | 59.68 | a | |||||||||||
1911 | 41.58 | 44.71 | 61.19 | 60.97 | 63.26 | 71.07 | a | 82.55 | 76.23 | 65.43 | 63.10 | 48.89 | b | 43.35 | 60.19 | |||||||||||
1912 | 44.10 | 51.04 | a | 55.32 | 58.10 | 69.32 | 74.47 | 77.32 | 75.68 | 72.03 | 58.26 | 50.67 | 44.16 | 60.87 | ||||||||||||
1913 | 37.61 | 44.96 | 49.13 | 61.80 | 65.90 | 72.83 | 80.71 | 80.16 | 74.23 | 59.48 | 53.67 | 48.97 | 60.79 | |||||||||||||
1914 | 47.10 | 50.71 | 57.90 | 62.97 | 76.06 | 73.90 | 87.52 | 88.77 | a | 72.55 | a | 68.37 | a | 60.53 | 49.29 | 66.31 | ||||||||||
1915 | 51.74 | 54.18 | 62.90 | 69.97 | 66.16 | 76.67 | 78.06 | 78.95 | j | ----- | z | ----- | z | ----- | z | 47.56 | o | 65.67 | e | |||||||
1916 | 32.67 | a | 53.97 | 56.74 | 65.70 | 66.52 | 75.80 | 79.03 | 81.48 | 77.60 | 67.29 | 55.60 | ----- | z | 64.76 | a | ||||||||||
1917 | 44.50 | s | ----- | z | ----- | z | 54.90 | 63.94 | 70.47 | 83.84 | 88.23 | 78.53 | 73.26 | h | ----- | z | 49.00 | 69.84 | e | |||||||
1918 | 48.13 | 49.25 | 57.19 | 65.60 | 62.42 | 83.77 | 80.71 | 80.77 | 85.73 | o | 63.00 | 53.90 | 49.87 | 63.15 | a | |||||||||||
1919 | 49.87 | 48.21 | 54.13 | 58.57 | 65.97 | a | 67.83 | 86.77 | a | 86.74 | 74.13 | 59.27 | p | 50.48 | c | 43.68 | 62.40 | a | ||||||||
1920 | 45.26 | 50.72 | 54.29 | 55.17 | 65.84 | 72.90 | 85.06 | 86.13 | 69.93 | p | ----- | z | ----- | z | ----- | z | 64.42 | d | ||||||||
1921 | ----- | z | ----- | z | ----- | z | 59.20 | 72.00 | 70.97 | a | 80.23 | 78.90 | 64.83 | 61.43 | a | 52.32 | b | 46.00 | 65.10 | c | ||||||
1922 | 41.40 | a | 45.14 | 50.58 | 55.50 | 68.35 | 83.30 | 83.00 | 81.00 | f | ----- | z | ----- | z | ----- | z | 39.29 | 58.32 | d | |||||||
1923 | 47.53 | a | ----- | z | ----- | z | ----- | z | 65.28 | f | 76.87 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.20 | j | |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.64 | f | 72.63 | 64.00 | 50.47 | 51.61 | 59.68 | h | ||||
1926 | 47.03 | 51.96 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.50 | j | ||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.25 | f | 42.23 | a | 42.23 | k |
1928 | ----- | z | ----- | z | 56.23 | a | 57.80 | 75.00 | a | 69.37 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.60 | h | ||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.74 | ----- | z | ----- | z | 64.74 | k | |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.35 | j | 74.55 | 76.94 | 77.20 | 57.73 | i | 51.80 | 42.90 | 64.68 | g | |||||
1933 | 40.10 | a | 39.96 | 51.81 | 60.30 | 60.39 | 71.00 | 79.32 | 81.52 | 67.73 | 63.77 | 54.20 | 47.16 | 59.77 | ||||||||||||
1934 | 48.48 | 57.00 | 61.68 | 68.83 | 70.00 | 73.80 | 76.74 | 81.77 | 71.67 | 64.19 | 51.62 | a | 47.19 | 64.42 | ||||||||||||
1935 | 40.65 | 54.25 | 47.04 | c | 59.93 | 67.90 | 72.57 | 77.61 | 78.68 | 77.70 | 59.74 | 48.87 | 49.55 | 61.21 | ||||||||||||
1936 | 45.65 | 39.72 | 50.87 | 63.33 | 69.39 | 72.73 | 77.94 | 80.39 | 73.87 | 67.61 | 55.83 | 43.61 | 61.75 | |||||||||||||
1937 | 34.19 | 42.39 | 54.77 | 53.27 | 68.55 | 73.00 | 78.48 | 74.31 | b | 71.03 | 66.52 | 51.27 | 45.06 | 59.40 | ||||||||||||
1938 | 44.19 | 48.57 | 50.61 | 62.03 | 69.16 | 75.87 | 84.29 | 72.48 | f | 78.04 | c | 64.07 | d | 48.73 | 45.13 | 60.97 | a | |||||||||
1939 | 44.87 | 42.04 | 55.19 | 65.20 | 69.35 | 68.33 | 79.00 | 83.00 | 73.10 | 63.10 | 55.67 | 48.32 | 62.26 | |||||||||||||
1940 | 48.06 | 48.31 | 56.87 | 61.03 | a | 73.71 | 79.13 | 75.94 | 78.93 | c | 71.90 | i | 62.00 | d | 48.91 | h | 47.46 | e | 63.14 | b | ||||||
1941 | 49.65 | 56.71 | 63.68 | 64.17 | 65.35 | 70.27 | 84.29 | 76.42 | 65.40 | 61.79 | g | 54.37 | 44.87 | 63.20 | a | |||||||||||
1942 | 46.74 | 46.96 | 53.87 | 62.43 | 64.03 | 69.43 | 79.55 | 80.11 | c | 76.37 | 65.00 | b | 48.67 | 43.06 | 61.35 | |||||||||||
1943 | 40.39 | 52.46 | 51.26 | 62.17 | 63.55 | 69.13 | 77.61 | 75.40 | a | 78.40 | 58.04 | d | 57.03 | 47.26 | 61.06 | |||||||||||
1944 | 46.16 | 46.03 | 51.77 | 58.03 | 65.71 | 70.33 | 78.97 | 75.77 | 74.63 | 68.31 | b | 50.87 | 48.03 | 61.22 | ||||||||||||
1945 | 47.23 | 47.04 | 48.84 | 53.43 | 66.48 | 70.57 | 81.94 | 80.00 | 69.33 | 63.87 | 46.03 | 45.00 | 59.98 | |||||||||||||
1946 | 44.31 | b | 46.32 | 51.53 | a | 59.60 | 70.55 | 68.60 | 78.94 | 79.45 | 71.57 | 56.00 | b | 50.07 | 44.61 | 60.13 | ||||||||||
1947 | 39.42 | 52.46 | 59.16 | 63.63 | 73.10 | 68.67 | 76.58 | 76.55 | 74.37 | 59.16 | 48.77 | 45.74 | 61.47 | |||||||||||||
1948 | 45.16 | 44.03 | 51.40 | a | 54.03 | 62.84 | 76.47 | 76.48 | 71.42 | 71.40 | 63.13 | 45.87 | 38.65 | 58.41 | ||||||||||||
1949 | 35.90 | 42.71 | 53.97 | 63.17 | 70.87 | 73.88 | d | 83.68 | i | 77.94 | 76.03 | 58.58 | 59.53 | 42.26 | 59.53 | a | ||||||||||
1950 | 32.10 | 43.39 | 48.55 | 57.60 | 65.16 | 74.57 | b | 79.83 | h | 81.76 | b | 75.13 | 56.87 | 48.90 | 49.03 | 57.55 | a | |||||||||
1951 | 40.61 | 47.36 | 47.81 | 68.07 | 68.10 | 78.07 | 81.23 | a | 79.26 | 78.20 | 60.42 | 48.72 | a | 40.97 | 61.57 | |||||||||||
1952 | 40.00 | 47.31 | 50.48 | 65.33 | 67.77 | 68.93 | 81.87 | 79.30 | d | 79.33 | 73.06 | 53.17 | 43.55 | 62.51 | ||||||||||||
1953 | 46.87 | 48.50 | 51.81 | 56.03 | 64.19 | 65.83 | 78.35 | 76.22 | h | 74.27 | 63.03 | 53.00 | e | 46.81 | 58.97 | a | ||||||||||
1954 | 40.77 | 51.04 | 53.10 | 57.37 | 67.42 | 65.90 | 72.96 | d | 70.77 | 69.73 | 63.19 | 55.37 | 46.55 | 59.51 | ||||||||||||
1955 | 44.48 | 45.57 | 45.77 | 53.10 | 62.03 | b | 69.67 | 68.61 | h | 76.71 | 72.07 | 59.13 | 43.77 | 42.74 | 55.91 | a | ||||||||||
1956 | 43.65 | 40.93 | 49.32 | 64.67 | 72.87 | 66.60 | 82.00 | i | 75.35 | e | 71.03 | 56.26 | 53.87 | 46.26 | 58.25 | a | ||||||||||
1957 | 38.06 | 46.50 | 52.58 | 60.83 | 68.23 | 71.36 | b | 74.96 | e | 74.65 | 79.70 | 59.45 | i | 52.79 | f | 46.97 | 61.38 | b | ||||||||
1958 | 48.77 | 54.68 | 54.35 | 59.47 | 75.61 | 74.53 | 86.26 | h | 83.90 | 71.13 | 66.68 | 49.77 | 49.55 | 62.59 | a | |||||||||||
1959 | 44.68 | 46.75 | 51.55 | 60.30 | 65.16 | 71.61 | g | 81.48 | 77.16 | 66.93 | 60.90 | a | 52.93 | 46.39 | 59.48 | a | ||||||||||
1960 | 42.61 | 48.03 | 53.77 | 59.59 | a | 62.03 | 72.21 | k | 83.42 | 72.84 | 71.83 | 62.61 | 49.33 | 47.71 | 59.44 | a | ||||||||||
1961 | 52.26 | 47.71 | 52.97 | 56.53 | 65.45 | 78.67 | 82.39 | 85.41 | b | 70.67 | 61.03 | 49.47 | 43.00 | 62.13 | ||||||||||||
1962 | 44.19 | 50.46 | 50.90 | 62.66 | a | 59.03 | 70.26 | g | 78.70 | d | 74.84 | 74.00 | 63.10 | 52.60 | 48.39 | 59.90 | a | |||||||||
1963 | 41.13 | 57.25 | 53.93 | b | 56.52 | g | 69.00 | 68.17 | 72.55 | 77.21 | c | 77.60 | 62.94 | 50.93 | 47.48 | 61.65 | a | |||||||||
1964 | 43.74 | 50.52 | 51.19 | 56.07 | 64.76 | f | 69.83 | f | 75.74 | 73.19 | 68.70 | 66.45 | 47.17 | 40.58 | 57.34 | b | ||||||||||
1965 | 45.10 | a | 47.96 | 59.48 | 62.73 | 63.56 | d | 74.00 | b | 82.38 | b | 79.68 | 71.67 | 67.23 | 53.27 | ----- | z | 64.28 | a | |||||||
1966 | ----- | z | ----- | z | 52.97 | 61.03 | ----- | z | 71.40 | 74.48 | 77.48 | 77.17 | 65.68 | 56.64 | h | 47.84 | 66.01 | d | ||||||||
1967 | 46.86 | c | 50.26 | e | 47.17 | s | ----- | z | 64.48 | ----- | z | 81.29 | 87.77 | ----- | z | ----- | z | 54.53 | 42.77 | 61.14 | e | |||||
1968 | 44.10 | a | 56.90 | 54.79 | b | 55.40 | 63.73 | a | 69.89 | b | 78.23 | a | 73.03 | 68.93 | 59.61 | 51.33 | 40.90 | 59.74 | ||||||||
1969 | 36.55 | 45.39 | 55.94 | 57.43 | 69.90 | a | 73.30 | 75.03 | 73.81 | 69.59 | a | 59.84 | 54.60 | 47.81 | 59.93 | |||||||||||
1970 | 43.48 | 55.11 | 54.10 | 52.23 | 64.77 | 74.37 | 77.33 | a | 78.03 | 67.67 | 60.61 | 53.07 | 41.97 | 60.23 | ||||||||||||
1971 | 42.32 | 48.14 | 47.23 | 57.34 | a | 65.71 | 63.40 | 76.55 | 81.13 | 68.83 | 58.48 | 48.70 | 40.39 | 58.19 | ||||||||||||
1972 | 40.16 | 47.55 | 52.45 | 52.93 | 68.90 | 68.97 | 77.84 | 79.90 | 66.73 | 61.81 | 51.77 | 40.77 | 59.15 | |||||||||||||
1973 | 43.42 | 52.07 | 51.90 | 60.34 | a | 67.32 | 68.50 | 78.46 | c | 73.16 | 72.43 | 59.26 | 44.77 | 46.87 | 59.88 | |||||||||||
1974 | 41.94 | 46.71 | 50.65 | 55.47 | 59.35 | 71.97 | 73.19 | 77.19 | 78.90 | 65.48 | 53.00 | 46.45 | 60.03 | |||||||||||||
1975 | 42.61 | 46.11 | 50.00 | 53.77 | 64.68 | 67.60 | 75.03 | 70.61 | 75.13 | 57.61 | 48.87 | 47.39 | 58.28 | |||||||||||||
1976 | 46.13 | 47.86 | 49.42 | 56.77 | 66.00 | 66.17 | 74.16 | 69.48 | 72.37 | 63.68 | 57.00 | 48.39 | 59.79 | |||||||||||||
1977 | 45.68 | 55.71 | 49.06 | 62.67 | 59.77 | 72.17 | 73.97 | 80.97 | 67.17 | 62.94 | 48.37 | 45.74 | 60.35 | |||||||||||||
1978 | 47.39 | 50.75 | 56.39 | 57.67 | 62.39 | 74.20 | 75.87 | 74.42 | 66.23 | 66.77 | 49.03 | 42.00 | 60.26 | |||||||||||||
1979 | 41.29 | 44.64 | 58.06 | 57.47 | 67.03 | 73.40 | 78.00 | 75.29 | 74.67 | 63.94 | 54.17 | 49.71 | 61.47 | |||||||||||||
1980 | 41.39 | 49.75 | a | 49.45 | 62.37 | 63.48 | 64.80 | 76.32 | 73.16 | 69.73 | 66.26 | 52.86 | a | 47.90 | 59.79 | |||||||||||
1981 | 55.19 | 51.18 | 58.68 | 57.23 | 62.97 | 66.30 | 73.48 | 81.65 | 72.37 | 61.39 | 55.57 | 47.00 | 61.92 | |||||||||||||
1982 | 41.42 | 47.32 | 53.35 | 56.87 | 66.23 | 74.97 | 75.29 | 76.68 | 72.77 | 63.00 | 50.53 | 48.03 | 60.54 | |||||||||||||
1983 | 51.39 | 52.93 | 57.52 | 62.50 | 69.48 | 67.80 | 71.61 | 75.61 | 69.97 | 63.13 | 50.47 | 39.42 | 60.99 | |||||||||||||
1984 | 48.87 | 52.28 | 56.16 | 56.27 | 61.26 | 67.30 | 78.94 | 78.71 | 71.23 | 58.39 | 49.17 | 42.58 | 60.10 | |||||||||||||
1985 | ----- | z | 45.00 | 52.97 | 60.87 | 66.39 | 72.40 | 85.58 | 79.39 | 69.17 | 59.87 | 42.47 | 48.23 | 62.03 | a | |||||||||||
1986 | 51.84 | 50.00 | 59.90 | 58.77 | 65.27 | a | 75.97 | 71.58 | 84.81 | 70.00 | 68.26 | 52.23 | 49.65 | 63.19 | ||||||||||||
1987 | 47.16 | 54.96 | 54.87 | a | 64.24 | a | 69.10 | 75.93 | 75.67 | a | 81.10 | 77.60 | 74.00 | 56.67 | 45.37 | a | 64.72 | |||||||||
1988 | 46.10 | 52.97 | 54.58 | 60.27 | 65.52 | 70.83 | 78.87 | 78.65 | 74.37 | 66.94 | 50.43 | 49.32 | 62.40 | |||||||||||||
1989 | 44.84 | 45.18 | ----- | z | 64.03 | a | 65.90 | 74.93 | 73.39 | 74.90 | 78.03 | 64.19 | 54.30 | 50.07 | a | 62.71 | a | |||||||||
1990 | 46.31 | b | 47.41 | a | 58.55 | 63.37 | 63.74 | d | 71.00 | 80.57 | c | 80.60 | f | 76.67 | 59.77 | 50.64 | p | 39.48 | 60.69 | b | ||||||
1991 | 43.39 | 56.68 | c | 52.32 | 57.37 | 61.45 | 67.37 | 79.19 | 79.00 | 77.10 | 64.10 | 50.59 | a | 46.90 | 61.29 | |||||||||||
1992 | 48.32 | 56.93 | 61.50 | c | 62.93 | 72.84 | 77.53 | 78.13 | 82.06 | 71.30 | 63.74 | 50.40 | 42.58 | 64.02 | ||||||||||||
1993 | 41.94 | 50.50 | 56.23 | e | 57.00 | c | 69.80 | a | 69.20 | 69.36 | c | 77.10 | 75.04 | f | 64.10 | j | 48.50 | 45.81 | 58.54 | b | ||||||
1994 | 49.81 | ----- | z | ----- | z | 61.30 | ----- | z | 70.87 | 80.48 | 78.97 | 77.43 | 61.71 | 45.33 | 44.52 | 63.38 | c | |||||||||
1995 | 47.00 | m | ----- | z | ----- | z | 59.57 | 68.57 | c | 71.80 | 78.68 | 74.77 | 75.63 | 61.10 | 54.14 | h | 47.64 | f | 70.02 | e | ||||||
1996 | 42.59 | b | 50.41 | 55.77 | 60.07 | 61.14 | b | 72.47 | 82.45 | 80.77 | 69.38 | a | 58.93 | b | 48.69 | a | 42.68 | 60.45 | ||||||||
1997 | 45.16 | 50.36 | 51.55 | 56.60 | 70.26 | 70.60 | 76.83 | a | 81.94 | 75.07 | 58.00 | 54.00 | 45.81 | 61.35 | ||||||||||||
1998 | 44.84 | 50.50 | 53.29 | 59.50 | 61.00 | 71.07 | 80.94 | 81.13 | 79.11 | k | 58.58 | 48.33 | 40.55 | 59.07 | a | |||||||||||
1999 | 42.61 | 43.96 | 50.68 | 58.07 | 61.48 | 67.47 | 76.48 | 76.23 | 72.70 | 62.35 | e | 51.96 | b | 45.10 | 59.09 | |||||||||||
2000 | 41.74 | 49.48 | 51.42 | 62.23 | 64.52 | 73.50 | 76.93 | b | 76.32 | 69.86 | a | 58.65 | 46.23 | d | 45.00 | 59.66 | ||||||||||
2001 | 46.23 | a | 48.50 | 52.81 | 55.93 | 69.16 | 69.57 | 74.58 | 76.45 | 70.30 | 56.26 | 49.80 | 42.65 | 59.35 | ||||||||||||
2002 | 40.74 | 46.86 | 46.16 | 56.63 | 62.55 | 73.30 | 80.66 | b | 81.38 | o | 69.35 | g | 58.60 | a | 53.13 | g | 45.90 | a | 56.82 | c | ||||||
2003 | 49.30 | a | 49.07 | 51.53 | a | 56.80 | 65.00 | 75.93 | 83.11 | c | 81.10 | j | ----- | z | 60.58 | s | ----- | z | 42.08 | f | 61.54 | e | ||||
2004 | 42.80 | a | 48.72 | 54.94 | 69.19 | i | 66.41 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.22 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.03 | 48.95 | 53.61 | 59.77 | 66.45 | 71.91 | 78.65 | 78.38 | 72.80 | 62.57 | 51.24 | 45.25 | 60.85 | |||||||||||||
S.D. | 4.32 | 4.33 | 3.85 | 3.91 | 3.78 | 3.83 | 3.83 | 4.07 | 3.69 | 3.62 | 3.47 | 3.15 | 1.66 | |||||||||||||
SKEW | -0.26 | -0.13 | 0.44 | 0.35 | 0.37 | 0.49 | 0.19 | 0.35 | -0.08 | 0.56 | 0.06 | -0.48 | 1.11 | |||||||||||||
MAX | 55.19 | 57.25 | 63.68 | 69.97 | 76.06 | 83.77 | 87.52 | 88.77 | 79.70 | 74.00 | 60.53 | 51.61 | 66.31 | |||||||||||||
MIN | 32.10 | 36.61 | 45.77 | 52.23 | 59.03 | 63.40 | 69.36 | 69.48 | 64.83 | 56.00 | 42.47 | 35.61 | 58.19 | |||||||||||||
YRS | 86 | 84 | 83 | 85 | 87 | 85 | 84 | 82 | 80 | 80 | 79 | 86 | 49 |