YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 55.65 | k | 58.86 | a | 62.71 | 84.90 | 82.65 | 77.26 | 72.03 | 61.73 | a | 45.20 | 36.84 | 64.69 | c | |||||||
1919 | 38.67 | a | 37.11 | 48.00 | 59.53 | 66.71 | 73.97 | 86.43 | a | 84.00 | 69.67 | 56.50 | a | 47.23 | 32.94 | 58.40 | ||||||||||
1920 | 44.45 | 47.48 | 44.23 | 51.40 | 63.71 | c | 70.87 | 82.68 | 83.30 | a | 71.13 | 55.65 | 42.70 | 36.35 | 57.83 | |||||||||||
1921 | 37.13 | 43.68 | 48.63 | a | 54.07 | 61.68 | 72.23 | 84.23 | 82.34 | b | 68.03 | 66.19 | 56.41 | m | 37.67 | a | 59.63 | a | ||||||||
1922 | 29.65 | 35.26 | e | 41.04 | h | 50.93 | 64.42 | 78.33 | 86.60 | a | 79.61 | 77.63 | 61.10 | a | 43.03 | 37.00 | 58.51 | a | ||||||||
1923 | 39.03 | a | 36.89 | 46.06 | 53.83 | 63.19 | 67.17 | 82.52 | 82.83 | a | 74.67 | 56.30 | a | 45.27 | 38.41 | b | 57.18 | |||||||||
1924 | ----- | z | 49.62 | 45.68 | 61.27 | 74.97 | 78.17 | 84.39 | 82.32 | 74.20 | 54.13 | a | 42.17 | 31.14 | b | 61.64 | a | |||||||||
1925 | 37.26 | 41.04 | 47.84 | 52.24 | a | 63.27 | a | 72.59 | c | 87.43 | a | 80.47 | a | 69.87 | 60.79 | g | 48.31 | a | 41.57 | h | 60.03 | b | ||||
1926 | 40.00 | a | 47.96 | 60.10 | a | 65.40 | 66.00 | 83.27 | 86.71 | 81.55 | 68.66 | a | 64.03 | 50.70 | 38.39 | 62.73 | ||||||||||
1927 | 39.67 | a | 39.33 | a | 48.06 | 55.46 | f | 60.33 | a | 75.13 | g | 84.29 | 80.77 | 65.90 | a | 64.81 | 49.24 | a | 38.87 | h | 59.16 | c | ||||
1928 | 42.74 | 46.61 | f | 51.66 | b | 54.96 | d | 74.35 | 74.69 | d | 86.83 | a | 83.50 | c | 78.37 | c | 64.00 | f | 50.89 | k | 40.03 | 65.24 | c | |||
1929 | 39.13 | 39.78 | e | 53.79 | c | 46.62 | n | 69.41 | b | 71.22 | c | 88.08 | g | 87.42 | g | 70.87 | 69.50 | g | 56.81 | i | 47.13 | 55.90 | e | |||
1930 | 30.13 | 48.26 | a | 50.32 | 60.60 | 63.00 | b | 74.35 | d | 87.13 | 85.13 | 71.32 | k | 64.50 | s | ----- | z | 35.54 | c | 59.38 | c | |||||
1931 | 41.48 | b | 44.54 | 51.64 | c | 57.18 | b | 73.43 | a | 69.42 | d | 91.13 | 88.00 | f | 70.83 | f | 61.79 | c | 45.57 | b | 34.74 | 57.09 | b | |||
1932 | 35.26 | 42.60 | d | 49.74 | 56.28 | l | 64.32 | 76.97 | 82.65 | 81.84 | 85.14 | p | 68.03 | b | 53.37 | 34.97 | b | 58.97 | b | |||||||
1933 | 36.72 | f | 40.25 | 47.68 | 58.70 | 59.58 | 74.40 | 88.26 | 86.65 | 72.17 | 71.55 | 53.77 | 46.74 | 63.61 | a | |||||||||||
1934 | 46.67 | a | 52.60 | r | 61.13 | 67.47 | 71.87 | 70.62 | i | 86.57 | a | 87.52 | 76.80 | 65.28 | b | 49.53 | 38.03 | 65.09 | b | |||||||
1935 | 36.03 | 42.50 | 44.16 | 55.10 | 68.19 | 75.78 | c | 83.26 | ----- | z | 81.77 | ----- | z | 42.73 | 39.13 | 56.87 | b | |||||||||
1936 | 38.57 | a | 40.62 | 50.48 | 63.33 | 69.52 | 74.87 | 88.10 | 85.53 | a | 75.67 | 68.83 | a | 50.82 | b | 30.38 | w | 64.21 | a | |||||||
1937 | ----- | z | 38.43 | 48.83 | b | 54.52 | a | 70.42 | 72.60 | 86.71 | 82.97 | 77.27 | 66.29 | 47.97 | a | 45.53 | a | 62.87 | a | |||||||
1938 | 38.97 | 39.57 | 44.48 | 58.30 | 66.74 | 78.86 | a | 87.52 | 83.55 | 79.00 | a | 60.39 | 46.10 | 44.10 | a | 60.63 | ||||||||||
1939 | 41.84 | 41.27 | b | 55.30 | a | 68.24 | m | 70.17 | g | 73.47 | ----- | z | 88.32 | 77.17 | 64.13 | 55.62 | a | 45.26 | 60.26 | c | ||||||
1940 | 41.16 | 44.61 | a | 55.27 | a | 61.00 | 72.52 | 83.13 | ----- | z | 87.87 | 71.31 | a | 68.67 | g | 44.58 | d | 41.84 | 60.33 | b | ||||||
1941 | 40.87 | 45.54 | 57.32 | 58.90 | 64.97 | b | 71.33 | 86.52 | 79.65 | 67.48 | a | 61.55 | 51.73 | 39.06 | 60.41 | |||||||||||
1942 | 33.74 | 40.50 | 49.39 | 59.53 | 60.62 | b | 71.00 | 87.48 | 86.58 | 81.24 | e | 68.34 | b | 48.35 | g | 42.45 | 61.90 | a | ||||||||
1943 | ----- | z | 43.44 | a | 50.42 | 60.77 | 62.61 | 67.30 | 84.81 | 81.94 | 83.97 | 61.90 | 49.83 | 39.94 | 62.45 | a | ||||||||||
1944 | 36.52 | 41.24 | 49.42 | 55.27 | 68.03 | 69.14 | a | 80.84 | 81.82 | t | 75.43 | 70.15 | d | 43.87 | 39.87 | 57.25 | a | |||||||||
1945 | 41.65 | 45.18 | 45.29 | ----- | z | 63.58 | 71.37 | 87.74 | 84.73 | a | 75.50 | 67.68 | 42.80 | 39.00 | d | 60.41 | a | |||||||||
1946 | 39.65 | e | 41.07 | 49.32 | 60.60 | 67.77 | 69.83 | 84.22 | d | 83.61 | 73.61 | b | 54.87 | 45.17 | 44.43 | a | 59.51 | |||||||||
1947 | 39.94 | ----- | z | 53.35 | 61.03 | 72.68 | 69.97 | a | 80.97 | 80.35 | 77.96 | b | 65.19 | 45.97 | a | 41.74 | 62.65 | a | ||||||||
1948 | 44.94 | 42.59 | 44.42 | 49.40 | 61.03 | 74.47 | ----- | z | 78.90 | 74.00 | 64.48 | 48.31 | d | 33.77 | 56.03 | a | ||||||||||
1949 | 31.17 | a | 38.89 | 48.33 | j | 64.40 | ----- | z | 76.06 | m | 84.59 | b | 83.32 | 76.38 | i | 62.65 | e | 58.17 | 40.19 | 57.92 | d | |||||
1950 | 33.71 | 43.29 | 46.03 | 56.14 | a | 64.58 | 70.07 | 85.90 | 85.29 | 77.50 | d | 62.24 | f | 51.73 | 47.55 | 60.16 | a | |||||||||
1951 | 37.97 | ----- | z | ----- | z | 65.10 | a | 66.65 | 77.47 | 85.81 | 84.29 | 78.27 | 58.94 | 47.04 | d | 35.96 | g | 66.84 | c | |||||||
1952 | 33.83 | g | 40.45 | 40.26 | 62.37 | 66.77 | 70.00 | 85.58 | 83.70 | a | 79.40 | 72.61 | 47.33 | 36.29 | 62.25 | a | ||||||||||
1953 | 45.29 | 46.46 | 47.32 | 56.67 | 58.26 | 65.93 | 85.94 | 79.23 | ----- | z | ----- | z | ----- | z | ----- | z | 60.64 | d | ||||||||
1954 | ----- | z | 47.61 | 45.35 | 59.00 | 69.33 | a | 68.37 | c | 84.45 | 76.32 | 72.83 | 63.97 | 54.90 | a | 38.48 | 61.87 | a | ||||||||
1955 | 35.03 | a | 40.00 | 44.79 | b | 45.47 | 62.87 | 76.27 | 78.16 | 85.65 | 77.10 | i | ----- | z | 45.21 | f | 38.48 | 56.30 | c | |||||||
1956 | 37.90 | b | 37.57 | a | 49.07 | c | 61.21 | a | 65.74 | 71.87 | 83.32 | 79.81 | 76.27 | 58.97 | a | 52.63 | 43.52 | 59.82 | ||||||||
1957 | 34.00 | 44.26 | a | 50.04 | c | 55.60 | 65.42 | 80.89 | k | 82.77 | 79.42 | ----- | z | ----- | z | ----- | z | ----- | z | 58.79 | e | |||||
1958 | ----- | z | ----- | z | ----- | z | 54.33 | 75.00 | 70.83 | 83.06 | 88.45 | 73.60 | 69.53 | a | 50.86 | a | 48.20 | a | 68.21 | c | ||||||
1959 | 43.06 | 43.79 | 51.23 | 60.87 | 62.10 | 76.90 | 89.55 | 81.42 | 68.28 | a | 63.81 | 56.87 | 43.00 | 61.74 | ||||||||||||
1960 | 34.28 | f | 40.43 | a | 53.13 | 57.13 | 60.06 | 79.83 | 91.33 | d | 80.00 | a | 79.70 | 66.48 | 43.63 | c | 40.13 | 62.90 | a | |||||||
1961 | 43.53 | a | 45.68 | 46.52 | 60.38 | f | 58.14 | q | 81.50 | 88.17 | a | 86.67 | a | 66.00 | x | 64.93 | b | ----- | z | ----- | z | 65.28 | e | |||
1962 | ----- | z | ----- | z | 44.07 | a | 64.32 | b | 60.00 | e | 77.29 | i | 84.90 | k | 80.70 | d | 80.67 | c | 63.52 | f | 51.82 | b | 45.35 | e | 60.99 | e |
1963 | 45.12 | e | 52.73 | m | 48.84 | f | 50.96 | d | 67.24 | j | 71.67 | l | 80.05 | l | 82.96 | d | 78.19 | i | 63.28 | f | 48.06 | n | 44.59 | i | 59.68 | i |
1964 | 38.74 | d | 47.39 | f | 47.35 | k | 55.12 | e | 62.52 | 70.65 | d | ----- | z | 80.45 | b | 72.93 | c | 69.13 | 44.17 | f | 37.11 | c | 60.83 | d | ||
1965 | 39.70 | a | 47.39 | 51.21 | b | 57.53 | 65.84 | 75.85 | c | 81.63 | a | 78.97 | 72.50 | 69.39 | 49.20 | 39.48 | 60.72 | |||||||||
1966 | 39.58 | g | 42.22 | a | 49.71 | 62.21 | a | 71.50 | a | 70.14 | b | 80.19 | 83.90 | b | 77.12 | e | 65.35 | 49.69 | a | 40.93 | a | 63.00 | a | |||
1967 | 42.30 | a | 47.61 | 46.37 | a | 48.07 | a | 70.76 | j | 74.38 | a | 88.19 | 90.55 | 81.74 | c | 66.43 | c | 53.29 | b | 38.00 | 61.54 | a | ||||
1968 | 40.68 | 47.76 | 56.68 | f | 57.17 | a | ----- | z | 80.33 | o | 88.16 | 76.46 | c | 75.43 | 63.45 | b | 46.54 | b | 36.23 | a | 59.10 | c | ||||
1969 | 35.00 | a | 37.79 | 47.68 | 59.37 | c | 69.40 | a | 71.93 | a | 83.74 | 85.39 | 76.17 | 55.81 | 53.17 | 43.33 | d | 59.90 | ||||||||
1970 | 37.61 | 48.21 | 47.90 | b | 50.55 | a | 67.23 | 79.20 | e | 86.32 | c | 87.11 | d | 72.53 | 61.86 | c | 49.82 | h | 33.54 | r | 63.85 | b | ||||
1971 | 41.40 | a | 43.89 | 42.90 | b | 53.79 | f | 63.97 | 68.23 | 82.91 | h | 88.30 | d | 71.13 | 59.45 | 48.63 | 35.40 | a | 56.33 | b | ||||||
1972 | 37.22 | d | 43.83 | 53.65 | 54.03 | 70.73 | a | 78.20 | 86.73 | e | 84.77 | 72.62 | d | 61.45 | 45.33 | f | 32.03 | b | 61.39 | a | ||||||
1973 | 35.83 | b | 43.88 | b | 46.87 | a | 58.59 | c | 72.37 | a | ----- | z | ----- | z | ----- | z | 77.38 | a | 61.43 | a | 43.54 | d | 40.93 | c | 53.42 | c |
1974 | 35.83 | a | 42.93 | a | 47.00 | a | 55.22 | c | 62.36 | c | 82.04 | f | 89.14 | q | 80.46 | g | 83.28 | e | 65.24 | b | 48.93 | 39.00 | e | 53.31 | c | |
1975 | 40.85 | e | 39.46 | 44.48 | 45.77 | d | 66.47 | a | 72.79 | b | 85.52 | 78.04 | h | 79.10 | 58.73 | e | 45.26 | g | 45.13 | 57.83 | b | |||||
1976 | 44.00 | e | 44.29 | a | 46.23 | e | 55.43 | b | 71.79 | c | 74.42 | k | 87.68 | f | 76.04 | c | 76.88 | e | 66.45 | b | 58.19 | c | 44.46 | g | 59.92 | c |
1977 | 40.38 | b | 52.78 | a | 48.63 | a | 67.29 | b | 58.11 | c | 80.77 | 84.52 | 83.48 | h | 69.97 | 65.35 | 48.40 | 45.62 | j | 61.62 | b | |||||
1978 | 41.81 | ----- | z | 57.19 | 52.71 | f | 66.81 | 75.87 | 86.55 | 82.77 | 70.03 | 70.70 | d | 43.84 | e | 35.87 | 63.14 | b | ||||||||
1979 | 31.48 | 41.89 | 53.45 | b | 55.77 | 69.90 | b | ----- | z | 85.00 | a | ----- | z | ----- | z | 63.48 | 44.17 | 43.71 | 54.32 | c | ||||||
1980 | 38.45 | 46.67 | b | 47.04 | e | 58.46 | b | 64.94 | 67.52 | c | ----- | z | 80.65 | e | 78.27 | d | 66.00 | 48.97 | a | 43.87 | 58.26 | a | ||||
1981 | 40.11 | d | 44.86 | 52.40 | f | 61.97 | 64.19 | ----- | z | 80.35 | 87.68 | 79.20 | e | 62.59 | d | 47.47 | 39.72 | b | 60.81 | b | ||||||
1982 | 36.31 | b | 42.19 | b | 46.32 | 51.23 | d | 68.57 | c | 73.39 | g | 81.17 | s | 82.63 | d | 70.95 | j | 60.48 | b | 43.18 | b | 37.35 | h | 53.86 | d | |
1983 | 42.97 | 44.14 | 48.57 | c | 49.28 | l | 72.74 | h | 73.92 | e | 81.44 | f | 85.72 | f | 73.78 | u | 65.83 | g | 44.60 | e | 37.18 | c | 48.56 | f | ||
1984 | 38.41 | b | 42.36 | a | 51.83 | a | 52.15 | c | 67.15 | k | 69.48 | c | 88.45 | b | 85.32 | i | 73.04 | c | 57.86 | i | 41.37 | c | 35.00 | m | 57.14 | d |
1985 | 34.20 | f | 42.92 | b | 47.12 | e | 64.75 | f | 70.35 | h | 78.87 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.02 | j |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.07 | a | 78.23 | a | 86.83 | b | 65.08 | d | 65.16 | 47.18 | b | 39.26 | d | 65.97 | e | |
1987 | 35.84 | 42.69 | b | 50.12 | e | 66.96 | d | 70.52 | b | 79.55 | a | 75.27 | e | 83.78 | d | 80.56 | c | 72.15 | e | 45.85 | d | 36.96 | g | 63.93 | a | |
1988 | 40.21 | q | 50.50 | g | 51.96 | d | 60.55 | h | 65.92 | g | 73.04 | e | 86.55 | k | 85.17 | m | 79.57 | i | 73.76 | f | 41.69 | d | 36.50 | g | 55.57 | i |
1989 | 37.33 | d | 31.96 | d | 48.17 | h | 59.90 | a | 62.36 | c | 77.96 | b | 84.63 | d | 81.41 | i | 75.14 | i | 62.08 | g | 52.50 | j | 44.46 | e | 56.94 | e |
1990 | 41.80 | f | 42.26 | e | 48.60 | f | 65.26 | c | 63.32 | f | 73.53 | k | 91.00 | w | 77.45 | k | 80.06 | l | 64.65 | e | 47.86 | b | 30.74 | 50.15 | g | |
1991 | 42.97 | 52.50 | b | 44.17 | b | 52.42 | d | 60.58 | g | 69.64 | e | 85.83 | a | 84.85 | d | 80.70 | 65.26 | 49.10 | 39.58 | 60.64 | a | |||||
1992 | 39.21 | b | 47.93 | a | 58.27 | a | 60.53 | 76.06 | 80.05 | h | 82.80 | a | 87.48 | 74.50 | 65.84 | 43.90 | 31.43 | c | 60.72 | a | ||||||
1993 | 29.81 | d | 31.27 | b | 47.67 | a | 52.10 | a | 71.10 | 70.11 | b | 73.40 | a | 78.29 | 79.00 | a | 64.26 | 47.55 | a | 38.73 | a | 56.94 | ||||
1994 | 46.45 | 42.46 | 56.57 | a | 60.93 | 70.19 | 77.23 | h | 88.84 | 86.13 | 75.62 | a | 58.47 | a | 36.00 | 37.63 | a | 59.94 | a | |||||||
1995 | 40.71 | 53.37 | a | 46.77 | 53.50 | b | 65.50 | a | 77.43 | ----- | z | ----- | z | ----- | z | ----- | z | 49.27 | ----- | z | 55.22 | e | ||||
1996 | ----- | z | ----- | z | ----- | z | 59.73 | 60.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.33 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.94 | 43.03 | 49.23 | 57.54 | 66.39 | 73.96 | 84.86 | 83.12 | 75.13 | 63.86 | 47.87 | 39.56 | 59.65 | |||||||||||||
S.D. | 4.01 | 4.30 | 4.26 | 5.04 | 4.47 | 4.46 | 3.42 | 3.36 | 4.39 | 4.37 | 4.40 | 4.22 | 1.78 | |||||||||||||
SKEW | -0.37 | -0.08 | 0.74 | -0.17 | 0.23 | 0.43 | -1.00 | -0.10 | -0.20 | -0.23 | 0.24 | 0.02 | -0.04 | |||||||||||||
MAX | 46.67 | 53.37 | 61.13 | 67.47 | 76.06 | 84.90 | 91.33 | 90.55 | 83.97 | 72.61 | 58.19 | 48.20 | 62.73 | |||||||||||||
MIN | 29.65 | 31.27 | 40.26 | 45.47 | 58.11 | 65.93 | 73.40 | 76.04 | 65.08 | 54.13 | 36.00 | 30.74 | 56.94 | |||||||||||||
YRS | 63 | 66 | 66 | 67 | 66 | 61 | 60 | 62 | 61 | 60 | 62 | 61 | 12 |