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 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | 55.00 | 64.80 | 73.55 | 83.17 | 92.90 | 85.97 | 83.87 | 67.39 | 53.27 | 42.58 | 70.25 | b | ||||||||||
1952 | 41.87 | 47.03 | 46.52 | 65.20 | 76.97 | 82.97 | 90.10 | 89.65 | 84.17 | 80.00 | 52.43 | 44.45 | 66.78 | |||||||||||||
1953 | 52.81 | 52.29 | 59.55 | 63.53 | 66.74 | 85.40 | 90.48 | 86.45 | 85.87 | 70.00 | 59.43 | 46.52 | 68.26 | |||||||||||||
1954 | 47.84 | 59.71 | 52.39 | 72.17 | a | 78.65 | 83.33 | 91.52 | 86.94 | 80.40 | 73.87 | 63.70 | 50.06 | 70.05 | ||||||||||||
1955 | 41.94 | 47.18 | 57.97 | 65.37 | 73.03 | 83.77 | 89.61 | 89.06 | 84.90 | 76.03 | 55.87 | 50.06 | 67.90 | |||||||||||||
1956 | 50.77 | 47.76 | 61.55 | 64.47 | 77.16 | 88.00 | 90.74 | 87.94 | 88.17 | 71.35 | 59.73 | 52.83 | a | 70.04 | ||||||||||||
1957 | 42.74 | 55.43 | 57.45 | 63.00 | 67.84 | 85.07 | 89.81 | 87.52 | 83.90 | 64.61 | 51.23 | 51.32 | 66.66 | |||||||||||||
1958 | 49.74 | 54.46 | 47.58 | 62.00 | 79.26 | 87.07 | 91.00 | 93.26 | 80.40 | 72.77 | 58.13 | 57.32 | 69.42 | |||||||||||||
1959 | 49.00 | 47.43 | 59.68 | 70.20 | 73.93 | a | 88.53 | 94.74 | 87.45 | 79.53 | 73.10 | 58.97 | a | 51.19 | 69.48 | |||||||||||
1960 | 41.55 | 43.97 | 60.26 | 67.60 | 75.97 | 90.03 | 96.13 | 92.06 | 84.60 | 68.42 | 57.07 | 48.19 | 68.82 | |||||||||||||
1961 | 53.32 | 53.00 | 54.97 | 66.20 | 75.13 | 91.43 | 93.03 | 87.84 | 76.27 | 70.29 | 53.57 | 45.35 | 68.37 | |||||||||||||
1962 | 47.80 | a | 48.14 | 51.35 | 72.07 | 72.55 | 83.77 | 88.84 | l | 90.81 | 84.67 | 72.45 | 62.73 | 53.39 | 67.25 | a | ||||||||||
1963 | 44.32 | 57.61 | 53.23 | 58.00 | 76.48 | 79.63 | 89.90 | 86.23 | 83.57 | 75.55 | 58.59 | a | 53.19 | 68.02 | ||||||||||||
1964 | 45.23 | 47.03 | 48.39 | 57.07 | 71.94 | 82.30 | 92.81 | 89.48 | 80.00 | 77.87 | 52.23 | d | 45.55 | 65.82 | ||||||||||||
1965 | 48.65 | 50.57 | 51.84 | 60.90 | a | 69.77 | 76.30 | 86.52 | 87.58 | 73.13 | 74.97 | 56.33 | 46.13 | 65.22 | ||||||||||||
1966 | 42.30 | a | 42.11 | 54.84 | 66.07 | a | 77.52 | 83.20 | 90.48 | 94.00 | 82.60 | 69.77 | 60.48 | a | 47.87 | 67.60 | ||||||||||
1967 | 46.45 | 51.41 | a | 57.58 | 55.73 | 71.35 | 79.43 | 92.81 | 92.26 | 79.33 | 76.19 | 60.47 | 41.32 | 67.03 | ||||||||||||
1968 | 46.10 | 52.17 | 57.19 | 60.50 | 73.35 | 85.87 | 91.42 | 84.26 | 82.57 | 72.45 | 57.97 | a | 43.13 | 67.25 | ||||||||||||
1969 | 45.00 | 43.29 | 51.87 | 67.63 | 79.81 | 84.83 | 92.26 | 92.42 | 84.17 | 64.81 | 59.07 | 52.29 | 68.12 | |||||||||||||
1970 | 48.23 | 56.21 | 54.26 | 60.13 | 78.77 | 87.00 | 92.87 | 91.32 | 80.07 | 67.81 | 58.73 | 44.45 | 68.32 | |||||||||||||
1971 | 48.58 | 50.39 | 56.90 | 64.90 | 68.13 | 85.37 | 94.13 | 86.90 | 79.70 | 64.61 | 54.77 | 39.52 | 66.16 | |||||||||||||
1972 | 48.16 | 57.55 | 67.94 | 67.43 | 78.13 | 85.00 | 94.77 | 88.32 | 78.13 | 61.10 | 48.83 | 42.55 | 68.16 | |||||||||||||
1973 | 40.23 | 46.43 | 47.74 | 61.77 | 76.74 | 85.33 | 91.58 | 90.00 | 81.53 | 71.87 | 56.00 | a | 49.81 | 66.59 | ||||||||||||
1974 | 41.77 | 49.18 | 60.03 | 64.37 | 77.52 | 89.73 | 87.29 | 86.97 | 82.20 | 68.45 | 56.67 | 44.71 | 67.41 | |||||||||||||
1975 | 47.32 | 47.21 | 50.94 | 56.00 | 68.55 | 81.77 | 88.23 | 85.45 | 80.07 | 69.93 | a | 57.63 | 51.00 | 65.34 | ||||||||||||
1976 | 51.13 | 52.24 | 55.73 | a | 63.62 | a | 76.58 | 82.93 | 88.17 | a | 84.74 | 76.93 | 69.87 | a | 63.20 | 52.13 | 68.11 | |||||||||
1977 | 43.00 | 57.96 | 54.10 | 69.93 | 66.20 | a | 85.30 | 86.90 | 85.16 | 78.83 | 71.90 | 60.57 | 52.10 | 67.66 | ||||||||||||
1978 | 45.93 | a | 48.14 | 59.06 | 60.87 | 71.81 | 83.60 | 88.37 | a | 86.42 | 77.83 | 74.23 | 52.97 | 42.23 | 65.95 | |||||||||||
1979 | 37.00 | 46.00 | 52.81 | 64.57 | 73.03 | 82.27 | 88.29 | 83.61 | 83.83 | 73.10 | 52.43 | 53.16 | 65.84 | |||||||||||||
1980 | 45.03 | 51.83 | 51.29 | 64.77 | 67.61 | 83.60 | 87.61 | 86.32 | 80.03 | 70.19 | 61.47 | 58.48 | 67.35 | |||||||||||||
1981 | 53.71 | 55.79 | 53.16 | 67.93 | 70.80 | a | 85.20 | 86.90 | 86.65 | 78.80 | 64.32 | 60.73 | 50.39 | 67.87 | ||||||||||||
1982 | 44.81 | d | 49.04 | a | 53.35 | e | 62.73 | 72.42 | 84.07 | a | 90.47 | a | 86.19 | 78.60 | 66.77 | 51.73 | 45.90 | 65.51 | ||||||||
1983 | 49.80 | a | 50.75 | 52.16 | 57.86 | a | 73.61 | 84.40 | 90.10 | 87.65 | 83.50 | 71.45 | 54.57 | 46.53 | a | 66.86 | ||||||||||
1984 | 51.48 | 54.59 | 59.55 | b | 65.17 | 83.26 | 84.73 | 90.39 | 88.42 | 84.17 | 63.45 | 55.90 | 44.23 | 68.78 | ||||||||||||
1985 | 45.53 | a | 48.75 | 55.26 | 71.93 | 77.29 | 89.30 | 92.29 | 90.77 | 78.27 | 72.74 | l | 51.68 | b | 53.94 | 68.64 | a | |||||||||
1986 | 57.73 | a | 53.25 | 63.10 | 65.80 | 78.20 | a | 90.40 | 88.00 | a | 90.94 | 75.03 | 67.87 | 60.07 | c | 52.03 | a | 70.20 | ||||||||
1987 | 49.72 | b | 50.69 | b | 56.03 | a | 73.00 | a | 75.45 | 89.47 | 88.39 | 87.77 | 84.63 | 75.50 | a | 54.97 | 44.41 | b | 69.17 | |||||||
1988 | 45.84 | 58.38 | 60.13 | 65.87 | 77.31 | b | 88.77 | 94.48 | 88.17 | a | 82.43 | 79.00 | a | 57.76 | a | 49.97 | 70.68 | |||||||||
1989 | 46.35 | 48.93 | 64.94 | 75.20 | 76.53 | a | 87.27 | 95.29 | 86.94 | 83.97 | 72.43 | a | 64.13 | 56.00 | 71.50 | |||||||||||
1990 | 51.32 | 51.33 | a | 61.10 | 69.70 | 74.70 | a | 90.62 | a | 93.27 | a | 89.26 | 83.60 | 73.93 | a | 61.10 | 44.77 | 70.39 | ||||||||
1991 | 47.06 | 60.07 | 51.48 | 65.17 | 73.87 | 84.07 | a | 93.45 | 90.27 | a | 84.50 | 75.73 | a | 58.50 | 50.55 | 69.56 | ||||||||||
1992 | 48.84 | 53.52 | 57.03 | 73.67 | 76.29 | 85.73 | 89.19 | 91.06 | 84.97 | 74.80 | a | 54.53 | 44.03 | b | 69.47 | |||||||||||
1993 | 44.40 | a | 46.30 | a | 62.29 | 68.61 | b | 78.74 | 84.90 | 90.87 | a | 89.10 | 85.43 | 64.03 | a | 54.30 | 50.87 | 68.32 | ||||||||
1994 | 54.45 | 48.04 | a | 65.00 | 67.20 | 76.77 | 92.23 | 96.26 | 94.23 | 85.57 | 68.77 | 51.23 | 48.94 | 70.72 | ||||||||||||
1995 | 45.03 | 63.33 | a | 58.62 | b | 63.30 | 71.03 | 81.60 | 93.74 | 94.00 | 85.20 | 75.73 | a | 66.86 | a | 54.19 | 71.05 | |||||||||
1996 | 51.19 | 57.69 | 63.70 | a | 72.60 | 81.13 | 92.87 | 96.26 | 95.65 | 82.03 | 68.94 | 59.03 | 49.06 | 72.51 | ||||||||||||
1997 | 45.83 | a | 53.63 | a | 67.72 | b | 65.54 | b | 84.68 | 87.83 | a | 93.84 | 90.61 | 81.93 | b | 71.87 | a | 60.39 | b | 50.03 | 71.16 | |||||
1998 | 51.17 | a | 45.93 | a | 58.20 | a | 62.33 | 73.52 | 82.28 | a | 94.77 | a | 93.47 | a | 81.53 | 68.71 | 57.53 | 54.58 | 68.67 | |||||||
1999 | 55.80 | a | 56.25 | 65.52 | 60.90 | 76.77 | a | 87.14 | a | 88.87 | 90.67 | a | 82.83 | 79.23 | 67.75 | b | 55.23 | 72.25 | ||||||||
2000 | 53.07 | a | 53.28 | 60.50 | a | 76.24 | a | 83.37 | a | 90.97 | 94.26 | 92.26 | 86.31 | a | 69.20 | a | 51.41 | c | 54.35 | 72.10 | ||||||
2001 | 47.77 | a | 50.77 | b | 61.94 | 65.76 | a | 84.21 | b | 91.76 | a | 92.55 | b | 92.84 | 88.73 | 76.70 | a | 60.87 | 45.57 | a | 71.62 | |||||
2002 | 49.10 | b | 57.37 | a | 60.50 | a | 74.69 | d | 80.66 | b | 92.67 | 98.30 | a | 93.90 | 81.86 | a | 65.11 | c | 59.97 | a | 48.13 | a | 71.85 | |||
2003 | 59.19 | 48.63 | a | 60.03 | b | 64.73 | 79.52 | 87.07 | 94.39 | 88.81 | 84.80 | 76.90 | 51.83 | 49.57 | a | 70.46 | ||||||||||
2004 | 48.23 | 45.11 | a | 67.45 | 65.83 | 76.58 | 83.60 | 89.45 | 85.26 | 79.90 | 63.71 | 53.00 | 50.10 | 67.35 | ||||||||||||
2005 | 48.94 | 48.93 | 56.68 | 63.33 | 75.10 | a | 79.67 | 93.03 | 84.90 | 79.75 | b | 69.52 | 59.27 | 49.80 | a | 67.41 | ||||||||||
2006 | 49.90 | 54.07 | 50.84 | 66.10 | 78.71 | 87.80 | 90.27 | a | 86.55 | 78.67 | 66.00 | 59.13 | 47.61 | 67.97 | ||||||||||||
2007 | 47.87 | a | 54.35 | b | 63.81 | 66.97 | 77.23 | 87.93 | 93.39 | 89.19 | 79.53 | 69.48 | 64.43 | 43.43 | a | 69.80 | ||||||||||
2008 | 41.83 | a | 48.55 | 61.16 | 66.73 | ----- | z | 87.25 | b | 94.06 | 91.23 | 83.60 | 73.71 | 65.19 | d | 43.67 | a | 68.82 | a | |||||||
2009 | 49.87 | 48.64 | 59.47 | a | 64.93 | 79.32 | 79.86 | b | 93.13 | a | 90.87 | 84.63 | 66.19 | 62.87 | 40.90 | 68.39 | ||||||||||
2010 | 45.35 | 46.93 | 55.74 | ----- | z | 70.29 | 85.47 | 92.19 | 87.65 | 86.13 | 66.80 | a | 52.70 | 49.65 | 67.17 | a | ||||||||||
2011 | 48.06 | 48.38 | b | 55.81 | 60.77 | 68.87 | a | 84.80 | 89.87 | 91.48 | 82.20 | 70.74 | 55.47 | 45.67 | a | 66.84 | ||||||||||
2012 | 54.32 | 51.66 | 61.65 | 69.93 | 81.23 | 87.31 | a | 89.48 | 91.23 | 86.50 | 72.74 | 63.73 | 46.48 | 71.36 | ||||||||||||
2013 | 48.68 | 54.93 | a | 64.86 | b | 68.52 | a | 78.55 | b | 92.43 | ----- | z | 88.62 | e | 83.27 | 71.06 | 60.87 | ----- | z | 71.18 | b | |||||
2014 | 59.35 | 58.86 | 65.42 | 72.33 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.99 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.02 | 51.44 | 57.57 | 65.75 | 75.48 | 85.83 | 91.57 | 89.09 | 82.13 | 70.89 | 57.75 | 48.60 | 68.62 | |||||||||||||
S.D. | 4.49 | 4.60 | 5.25 | 4.66 | 4.37 | 3.62 | 2.72 | 2.86 | 3.16 | 4.37 | 4.33 | 4.36 | 1.93 | |||||||||||||
SKEW | 0.31 | 0.33 | -0.00 | 0.12 | -0.16 | -0.00 | 0.11 | 0.24 | -0.43 | -0.03 | 0.11 | 0.06 | 0.23 | |||||||||||||
MAX | 59.35 | 63.33 | 67.94 | 76.24 | 84.68 | 92.87 | 98.30 | 95.65 | 88.73 | 80.00 | 67.75 | 58.48 | 72.51 | |||||||||||||
MIN | 37.00 | 42.11 | 46.52 | 55.73 | 66.20 | 76.30 | 86.52 | 83.61 | 73.13 | 61.10 | 48.83 | 39.52 | 65.22 | |||||||||||||
YRS | 63 | 63 | 64 | 63 | 62 | 63 | 61 | 63 | 63 | 62 | 63 | 62 | 57 |