YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 44.93 | 58.48 | 57.17 | 71.58 | 71.83 | 87.90 | 91.68 | 75.50 | 64.74 | 58.47 | 34.55 | 65.17 | a | |||||||||||
1915 | 41.77 | a | 45.93 | 55.29 | 65.27 | 62.19 | e | 76.07 | 81.32 | 92.42 | 68.90 | 69.10 | 51.03 | 46.13 | 62.95 | |||||||||||
1916 | 37.90 | 52.93 | 58.90 | 63.73 | 64.48 | 74.40 | 84.23 | 86.52 | 80.43 | 66.10 | 53.23 | 36.74 | 63.30 | |||||||||||||
1917 | 34.90 | 42.00 | 39.68 | 51.87 | 62.65 | 77.53 | 91.58 | 89.19 | 79.13 | 72.35 | 56.00 | 49.87 | 62.23 | |||||||||||||
1918 | 45.58 | 43.25 | 51.45 | 60.40 | 66.65 | 87.43 | 86.52 | 80.87 | 76.70 | 65.55 | 48.60 | 40.19 | 62.77 | |||||||||||||
1919 | 42.52 | 37.25 | 47.29 | 63.07 | 73.16 | 79.10 | 90.97 | 89.06 | 72.27 | 57.00 | 47.23 | 37.19 | 61.34 | |||||||||||||
1920 | 47.58 | 48.28 | 47.39 | 53.93 | 66.48 | 73.30 | 84.74 | 85.55 | 73.10 | 55.68 | 46.03 | 38.58 | 60.05 | |||||||||||||
1921 | 38.19 | 45.54 | 53.71 | 56.70 | 62.39 | 75.87 | 87.06 | 85.39 | 72.30 | 67.90 | 53.60 | 43.39 | 61.84 | |||||||||||||
1922 | 35.13 | 35.61 | 42.71 | 52.87 | 67.13 | 81.17 | 88.87 | 82.52 | 80.90 | 63.52 | 45.97 | 39.55 | 59.66 | |||||||||||||
1923 | 40.00 | 43.29 | 52.48 | 57.10 | 65.43 | a | 69.77 | 84.42 | 85.03 | 77.20 | 58.42 | 52.90 | 42.07 | a | 60.68 | |||||||||||
1924 | 40.77 | 51.55 | 48.10 | 63.20 | 76.58 | 80.57 | 87.87 | 85.03 | 78.80 | 60.48 | 51.60 | 36.32 | 63.41 | |||||||||||||
1925 | 42.26 | 48.41 | a | 55.17 | a | 59.30 | 69.48 | 76.77 | 90.48 | 82.23 | 71.80 | 62.26 | 49.33 | 45.43 | a | 62.74 | ||||||||||
1926 | 43.03 | 49.21 | 60.29 | 65.80 | 70.16 | 86.07 | 86.06 | ----- | z | 72.20 | 66.52 | 55.20 | 39.55 | 63.10 | a | |||||||||||
1927 | 41.58 | 42.61 | 50.10 | 56.50 | 62.19 | 75.57 | 86.97 | 83.32 | 69.00 | 64.94 | 51.20 | 39.35 | 60.28 | |||||||||||||
1928 | 46.37 | a | 48.45 | 53.32 | 56.20 | 75.39 | 74.73 | 89.03 | 85.45 | 77.63 | 64.39 | 50.50 | 40.71 | 63.51 | ||||||||||||
1929 | 39.10 | a | 40.61 | 52.16 | 51.97 | 69.81 | 74.33 | 88.74 | 90.74 | 73.60 | 69.16 | 56.27 | 49.65 | 63.01 | ||||||||||||
1930 | 29.53 | a | 48.57 | 53.32 | 63.27 | 62.68 | 78.50 | 88.65 | 86.00 | 74.83 | 63.52 | 53.27 | 41.39 | 61.96 | ||||||||||||
1931 | 45.26 | 47.18 | 54.77 | 64.07 | 75.71 | 76.93 | 93.06 | 90.97 | 72.40 | 67.87 | 47.10 | 38.90 | a | 64.52 | ||||||||||||
1932 | 36.37 | a | 41.24 | 51.06 | 57.93 | 67.27 | a | 79.41 | a | 86.29 | 84.10 | 82.00 | 65.03 | 56.77 | 34.87 | 61.86 | ||||||||||
1933 | 37.23 | 37.79 | 48.61 | 59.73 | 59.32 | 78.57 | 91.32 | 86.97 | 74.37 | 72.13 | 57.17 | 48.65 | 62.65 | |||||||||||||
1934 | 48.00 | 50.54 | 63.55 | 70.93 | 74.00 | 75.23 | 89.58 | 90.35 | 79.97 | 67.73 | a | 52.33 | 41.35 | 66.96 | ||||||||||||
1935 | 42.03 | 47.18 | 47.00 | 57.80 | 68.90 | 79.03 | 86.03 | 89.63 | a | 83.33 | 62.74 | 45.00 | 42.68 | 62.61 | ||||||||||||
1936 | 39.74 | 41.90 | 53.94 | 63.93 | 70.68 | 77.00 | 89.90 | 89.32 | 76.80 | 70.26 | 55.93 | 42.48 | 64.32 | |||||||||||||
1937 | 28.40 | a | 38.29 | 49.45 | 55.53 | 73.26 | 75.07 | 89.58 | 87.03 | 80.43 | 67.10 | 51.17 | 46.29 | 61.80 | ||||||||||||
1938 | 40.39 | 41.00 | 43.19 | 59.33 | 67.90 | 77.57 | 87.11 | c | 85.48 | 79.43 | 60.90 | 45.27 | 45.61 | 61.10 | ||||||||||||
1939 | 43.77 | 38.86 | 53.55 | 67.33 | 71.39 | 74.60 | 88.55 | 90.16 | 77.97 | 63.94 | 57.57 | 49.70 | a | 64.78 | ||||||||||||
1940 | 44.48 | 44.45 | 54.23 | 59.77 | 73.77 | 84.77 | 86.58 | 89.84 | 72.10 | 64.23 | 45.13 | 45.06 | 63.70 | |||||||||||||
1941 | 43.03 | 47.11 | 56.29 | 58.80 | 67.83 | a | 73.37 | 89.29 | 80.26 | 70.13 | 61.61 | 55.87 | 41.00 | a | 62.05 | |||||||||||
1942 | 37.97 | 39.93 | 49.94 | 58.90 | 61.55 | 74.13 | 89.10 | 87.90 | 79.13 | 68.19 | 49.20 | 43.35 | 61.61 | |||||||||||||
1943 | 39.84 | 47.43 | 52.10 | 62.97 | a | 66.45 | 70.47 | 87.19 | 83.16 | 85.80 | 62.35 | 52.43 | 41.29 | 62.62 | ||||||||||||
1944 | 41.26 | 41.93 | 51.71 | 56.27 | 69.87 | 68.67 | 84.42 | 85.26 | 79.37 | 68.90 | 42.87 | 41.84 | 61.03 | |||||||||||||
1945 | 43.74 | 44.39 | 46.97 | 59.53 | 65.71 | 73.20 | 89.77 | a | 86.39 | 77.63 | 69.26 | 46.40 | 39.23 | 61.85 | ||||||||||||
1946 | 41.48 | 41.46 | 50.58 | 64.00 | 70.74 | 74.50 | 85.48 | 88.26 | 76.20 | 57.00 | 47.00 | 44.42 | 61.76 | |||||||||||||
1947 | 42.10 | 52.04 | 55.80 | a | 63.37 | 75.16 | 72.87 | 84.65 | 85.33 | a | 80.70 | 63.71 | 45.63 | 43.39 | 63.73 | |||||||||||
1948 | 46.94 | 41.72 | 45.97 | a | 53.28 | a | 64.70 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.17 | 38.23 | 45.38 | f | ||||
1949 | 26.77 | 37.74 | a | 46.42 | 64.37 | 67.03 | 76.13 | 86.21 | c | 84.70 | a | 78.66 | a | 58.30 | a | 59.97 | a | 40.72 | b | 60.59 | ||||||
1950 | 35.17 | a | 44.79 | 46.55 | 59.14 | b | 65.35 | 71.71 | b | 86.74 | d | 85.93 | c | 75.32 | e | 66.07 | d | 53.48 | g | 48.15 | e | 62.27 | a | |||
1951 | 37.14 | b | 43.04 | 46.23 | 63.34 | a | 65.42 | 84.79 | p | 87.77 | e | 84.74 | 80.23 | 60.52 | 48.83 | 37.73 | a | 59.54 | a | |||||||
1952 | 34.89 | l | ----- | z | ----- | z | ----- | z | ----- | z | 70.09 | g | 88.09 | i | 85.13 | a | 78.77 | 72.77 | a | 48.00 | 39.81 | 64.89 | g | |||
1953 | 46.35 | 46.21 | 50.97 | a | 56.87 | 57.55 | b | 68.73 | 87.45 | 82.94 | 82.50 | 64.97 | a | 53.77 | 45.35 | 61.97 | ||||||||||
1954 | 39.60 | a | 49.82 | 46.79 | b | 63.17 | a | 73.23 | a | 71.43 | 88.03 | a | 78.77 | 75.62 | a | 64.42 | 57.60 | 40.47 | a | 62.41 | ||||||
1955 | 36.03 | 39.25 | 48.23 | 50.11 | c | 65.17 | b | 78.77 | 81.60 | a | 89.81 | 76.79 | a | 67.71 | 46.59 | a | 39.94 | 60.00 | ||||||||
1956 | 40.26 | 37.28 | 51.13 | 61.33 | 66.59 | b | 73.79 | a | 86.45 | 83.40 | a | 77.79 | a | 64.67 | g | 52.50 | 47.06 | 61.60 | a | |||||||
1957 | 34.45 | 44.96 | 51.60 | a | 58.52 | a | 65.55 | 78.50 | 84.16 | 81.87 | 78.83 | 56.03 | 46.80 | 46.32 | 60.63 | |||||||||||
1958 | 41.16 | 48.56 | a | 45.39 | 56.03 | 76.20 | a | 75.79 | b | 85.52 | b | 87.83 | a | 75.93 | 70.55 | 52.57 | 52.68 | 64.02 | ||||||||
1959 | 45.47 | a | 43.39 | 55.23 | 65.60 | 63.48 | 80.63 | 91.50 | a | 84.65 | 72.10 | 66.61 | 58.47 | 44.39 | 64.29 | |||||||||||
1960 | 36.93 | a | 41.45 | 54.68 | 59.37 | 63.58 | 82.93 | a | 91.74 | 83.90 | 79.83 | 64.58 | 45.83 | 44.03 | 62.41 | |||||||||||
1961 | 48.45 | 47.14 | 48.97 | 60.60 | 65.42 | 83.93 | 90.03 | a | 88.16 | 70.77 | 62.90 | 47.55 | a | 40.39 | 62.86 | |||||||||||
1962 | 37.45 | 39.79 | 47.06 | 68.10 | 65.71 | 81.00 | 87.16 | 85.26 | 81.87 | 66.61 | 53.93 | 48.32 | 63.52 | |||||||||||||
1963 | 44.74 | 53.46 | 49.39 | 50.70 | 67.03 | 72.67 | 80.97 | a | 82.87 | 79.73 | 66.00 | 50.07 | 46.19 | 61.99 | ||||||||||||
1964 | 39.50 | a | 44.52 | 46.68 | 56.77 | 64.73 | a | 69.57 | 85.57 | a | 84.00 | a | 75.17 | a | 70.23 | a | 46.50 | 40.87 | a | 60.34 | ||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 47.39 | b | 37.32 | 42.36 | j | |
1984 | 42.94 | 45.59 | 52.40 | a | 54.10 | a | 66.84 | 71.70 | 88.23 | a | 86.84 | 74.04 | b | 56.06 | ----- | z | ----- | z | 63.87 | b | ||||||
1985 | ----- | z | 47.94 | k | 51.15 | k | 62.62 | a | 67.23 | a | 81.07 | a | 87.87 | 80.18 | i | 65.17 | 61.00 | 39.43 | 41.10 | 63.19 | d | |||||
1986 | 46.37 | a | 45.68 | 58.07 | d | 55.76 | a | 67.88 | g | 84.83 | 81.65 | 89.94 | 67.17 | 63.35 | 53.21 | b | 47.16 | 63.02 | a | |||||||
1987 | 37.39 | 52.36 | 54.76 | f | 66.97 | 73.16 | 76.60 | 82.94 | 85.94 | 75.83 | 69.48 | 49.90 | 35.42 | 64.18 | a | |||||||||||
1988 | 38.39 | ----- | z | 56.68 | 59.73 | 65.65 | 80.37 | 91.71 | 85.90 | 74.10 | 76.03 | 52.43 | 42.10 | 65.73 | a | |||||||||||
1989 | 35.65 | 33.42 | b | 49.65 | k | 64.00 | 65.13 | ----- | z | 88.81 | 76.68 | 74.63 | 60.26 | 53.50 | 46.26 | 59.83 | b | |||||||||
1990 | 45.77 | 43.64 | 52.52 | 65.87 | ----- | z | 75.80 | 87.67 | a | 81.71 | 81.83 | 57.54 | c | 51.50 | 41.63 | d | 62.32 | a | ||||||||
1991 | 40.75 | o | 54.25 | 52.71 | 51.03 | a | 61.74 | 76.70 | 87.19 | 87.52 | 79.40 | 67.61 | 50.00 | 47.81 | 65.09 | a | ||||||||||
1992 | ----- | z | 47.00 | 63.29 | 68.87 | 82.94 | 86.73 | 81.74 | 85.87 | 74.30 | ----- | z | 53.97 | 37.42 | 68.21 | b | ||||||||||
1993 | 36.06 | 42.36 | 48.06 | 53.80 | 69.68 | 72.40 | 73.81 | 81.55 | 79.33 | 65.19 | 45.38 | a | 41.48 | 59.09 | ||||||||||||
1994 | 42.77 | 40.18 | q | 57.39 | 61.40 | 68.87 | 76.07 | 90.74 | 86.39 | 76.20 | 69.74 | 43.33 | 39.61 | 64.77 | a | |||||||||||
1995 | 46.06 | 54.36 | 50.00 | 51.73 | 61.23 | 74.80 | 84.39 | 86.19 | 79.87 | 66.45 | 59.93 | 50.07 | a | 63.76 | ||||||||||||
1996 | 45.47 | a | 44.48 | 52.58 | 58.47 | 65.29 | 79.17 | a | 91.42 | 84.77 | 72.53 | 66.65 | 58.29 | w | 37.53 | n | 66.08 | b | ||||||||
1997 | ----- | z | 44.00 | s | 54.55 | b | 53.62 | i | 73.83 | a | 74.32 | e | 84.97 | 85.68 | 76.87 | 60.43 | a | 51.24 | a | 41.27 | e | 67.02 | c | |||
1998 | 43.65 | 42.68 | 50.52 | 54.87 | 56.60 | a | 71.23 | 87.55 | 88.29 | 78.41 | c | 60.94 | 46.42 | d | 37.27 | a | 59.87 | |||||||||
1999 | ----- | z | 44.50 | x | 44.30 | a | 53.45 | a | 63.48 | d | 73.62 | a | 83.16 | 79.48 | f | 77.93 | p | 67.07 | c | 56.57 | b | 43.28 | b | 60.62 | d | |
2000 | 43.32 | c | 46.11 | k | 50.83 | b | 64.21 | b | 67.18 | c | 80.80 | 85.57 | c | 87.81 | e | 73.34 | a | 57.64 | c | 43.30 | 43.16 | 63.38 | a | |||
2001 | 41.83 | a | 41.38 | d | 54.68 | 55.11 | c | 74.72 | b | 78.00 | a | 84.33 | a | 88.87 | a | 78.21 | a | 67.00 | b | 50.90 | 39.80 | a | 62.90 | |||
2002 | 41.36 | c | 47.40 | c | 45.45 | t | 57.93 | c | 68.06 | ----- | z | ----- | z | ----- | z | 78.70 | 61.32 | 52.10 | 43.94 | 56.35 | d | |||||
2003 | 46.83 | b | 45.40 | c | 53.17 | a | 50.96 | e | 66.73 | a | 82.81 | i | 89.53 | l | 87.56 | m | 81.40 | 71.27 | e | ----- | z | ----- | z | 59.39 | e | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.81 | 44.60 | 51.45 | 59.37 | 67.74 | 76.59 | 86.98 | 85.93 | 76.57 | 64.82 | 50.72 | 42.43 | 62.28 | |||||||||||||
S.D. | 4.65 | 4.69 | 4.68 | 4.96 | 4.94 | 4.39 | 3.27 | 3.14 | 4.03 | 4.51 | 4.61 | 4.08 | 1.55 | |||||||||||||
SKEW | -0.74 | 0.07 | 0.20 | 0.07 | 0.40 | 0.49 | -1.00 | -0.32 | -0.45 | -0.12 | 0.03 | 0.30 | 0.27 | |||||||||||||
MAX | 48.45 | 54.36 | 63.55 | 70.93 | 82.94 | 87.43 | 93.06 | 92.42 | 85.80 | 76.03 | 59.97 | 52.68 | 66.96 | |||||||||||||
MIN | 26.77 | 33.42 | 39.68 | 50.11 | 56.60 | 68.67 | 73.81 | 76.68 | 65.17 | 55.68 | 39.43 | 34.55 | 59.09 | |||||||||||||
YRS | 64 | 64 | 66 | 69 | 67 | 65 | 67 | 65 | 69 | 68 | 68 | 69 | 48 |