YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | ----- | 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 | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | 59.96 | g | 69.45 | 84.83 | 87.19 | 86.65 | 75.07 | 64.32 | 49.57 | 42.87 | 69.99 | d | ||||||||
1989 | 45.26 | 29.82 | 50.48 | 59.60 | 68.94 | 75.18 | b | 90.11 | c | 82.04 | d | 72.63 | 62.74 | 52.20 | 36.76 | b | 60.48 | |||||||||
1990 | 43.61 | 42.25 | 43.16 | 57.37 | 63.81 | 81.00 | 81.03 | b | 82.87 | 77.18 | b | 62.32 | 53.67 | 35.00 | b | 60.27 | ||||||||||
1991 | 37.26 | 50.79 | 50.19 | 56.67 | 68.58 | 77.90 | 85.71 | j | 83.94 | 75.17 | a | 63.58 | 43.70 | 45.41 | b | 59.38 | a | |||||||||
1992 | 40.94 | 50.86 | 52.81 | 64.17 | 76.33 | g | 77.19 | i | 79.77 | 79.13 | 77.69 | a | 65.23 | 41.77 | 31.52 | d | 58.39 | b | ||||||||
1993 | 33.23 | 35.25 | 49.38 | b | 54.93 | 68.55 | 75.79 | b | 82.25 | c | 81.12 | g | 70.88 | d | 59.52 | 39.47 | 39.45 | 55.34 | a | |||||||
1994 | 41.77 | 38.00 | 53.45 | 58.80 | 73.64 | c | 83.77 | 85.38 | b | 86.79 | g | 78.80 | 60.52 | 46.53 | 45.84 | 60.59 | a | |||||||||
1995 | 39.42 | 45.32 | 50.48 | 52.77 | 55.79 | b | 72.61 | b | 85.56 | d | 89.96 | d | 72.07 | b | 60.90 | 52.17 | 45.21 | b | 60.19 | |||||||
1996 | 36.94 | 44.31 | 44.42 | 59.43 | 65.74 | 80.57 | b | 85.81 | 83.68 | f | 71.90 | 63.06 | 48.23 | 43.47 | a | 58.53 | a | |||||||||
1997 | 37.10 | 39.79 | 53.06 | 50.97 | a | 67.42 | 77.17 | 86.45 | 81.26 | 76.03 | 62.55 | 45.50 | 39.52 | 59.73 | ||||||||||||
1998 | 44.35 | 44.18 | 46.32 | 56.87 | 70.13 | 73.13 | 84.65 | 85.26 | 81.93 | 58.97 | 51.07 | 39.74 | 61.38 | |||||||||||||
1999 | 43.00 | 49.61 | 55.03 | 52.37 | 67.00 | 77.70 | 87.45 | 82.97 | 70.93 | 65.39 | 60.23 | 45.35 | 63.09 | |||||||||||||
2000 | 44.73 | a | 48.41 | 51.16 | 61.73 | 71.32 | 80.10 | 89.68 | 89.84 | 75.87 | 62.58 | 37.73 | 39.00 | 62.68 | ||||||||||||
2001 | 39.87 | 36.64 | 48.16 | 58.40 | 66.97 | 79.70 | 88.58 | 86.94 | 79.13 | 63.29 | 55.67 | 43.19 | 62.21 | |||||||||||||
2002 | 42.23 | 44.04 | 44.23 | 62.47 | 67.52 | 85.97 | 91.65 | 84.19 | 74.87 | 55.03 | 45.07 | 44.81 | 61.84 | |||||||||||||
2003 | 47.81 | 38.43 | 49.16 | 62.62 | a | 68.10 | 72.45 | a | 92.00 | b | 88.61 | 74.63 | 69.19 | 45.30 | 43.71 | 62.67 | ||||||||||
2004 | 44.52 | 41.62 | 56.10 | 60.73 | 68.17 | g | 76.92 | f | 84.23 | 81.58 | 76.10 | 62.13 | 46.73 | 42.87 | 59.66 | b | ||||||||||
2005 | 43.35 | 46.43 | 51.03 | 57.30 | 67.26 | 77.00 | 89.84 | 83.48 | 79.17 | 63.13 | 54.20 | 39.23 | 62.62 | |||||||||||||
2006 | 49.97 | 38.89 | 46.84 | 63.93 | 72.03 | 84.83 | 90.06 | 83.87 | 69.77 | 60.48 | 51.63 | 41.35 | 62.81 | |||||||||||||
2007 | 32.87 | 42.37 | a | 57.29 | 56.13 | 70.58 | 82.00 | 89.52 | 86.71 | 76.33 | 65.42 | 52.53 | 32.67 | d | 62.04 | |||||||||||
2008 | 31.84 | 40.93 | 51.32 | 56.70 | 67.61 | 78.27 | 90.00 | 81.81 | 74.50 | 62.71 | 54.37 | ----- | z | 62.73 | a | |||||||||||
2009 | 41.81 | 47.96 | 52.55 | 55.10 | 67.74 | 74.37 | 82.60 | a | 84.15 | e | 75.83 | 50.68 | ----- | z | ----- | z | 63.28 | b | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.04 | 42.66 | 50.32 | 58.05 | 67.91 | 78.72 | 86.85 | 84.49 | 75.30 | 61.99 | 48.92 | 40.85 | 61.69 | |||||||||||||
S.D. | 4.80 | 5.45 | 3.83 | 3.72 | 3.62 | 4.17 | 3.52 | 2.98 | 3.07 | 3.76 | 5.67 | 4.26 | 1.16 | |||||||||||||
SKEW | -0.34 | -0.37 | -0.18 | -0.07 | -1.74 | 0.16 | -0.40 | 0.37 | 0.07 | -1.21 | -0.17 | -0.78 | -0.48 | |||||||||||||
MAX | 49.97 | 50.86 | 57.29 | 64.17 | 73.64 | 85.97 | 92.00 | 89.96 | 81.93 | 69.19 | 60.23 | 45.84 | 63.09 | |||||||||||||
MIN | 31.84 | 29.82 | 43.16 | 50.97 | 55.79 | 72.45 | 79.77 | 79.13 | 69.77 | 50.68 | 37.73 | 31.52 | 59.73 | |||||||||||||
YRS | 21 | 21 | 21 | 21 | 20 | 20 | 21 | 19 | 22 | 22 | 21 | 20 | 13 |