YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.76 | 45.42 | 39.37 | 46.18 | i | |||
1963 | 28.44 | 40.39 | 47.73 | 50.97 | 60.98 | 68.02 | 72.32 | 75.23 | 71.15 | 58.19 | 46.17 | 33.37 | 54.41 | |||||||||||||
1964 | 39.79 | 40.88 | 44.79 | 51.72 | 59.63 | 67.65 | 76.08 | 71.31 | 64.32 | 54.32 | 40.83 | 31.35 | 53.56 | |||||||||||||
1965 | 35.82 | 42.46 | 43.92 | a | 56.17 | 60.89 | 68.53 | 77.24 | 76.76 | 63.70 | 59.18 | 46.65 | 36.82 | 55.68 | ||||||||||||
1966 | 37.26 | 41.26 | a | 47.56 | 54.97 | 64.34 | 67.52 | 74.16 | 76.23 | 70.15 | 54.90 | 45.97 | 41.88 | c | 56.35 | |||||||||||
1967 | 42.44 | 44.07 | 46.10 | a | 49.97 | a | 60.40 | 72.13 | 79.82 | 82.32 | 73.25 | 56.74 | 42.83 | 36.61 | 57.22 | |||||||||||
1968 | 37.48 | 44.29 | 50.53 | 52.02 | 63.40 | 70.70 | 80.40 | ----- | z | 67.30 | b | 52.85 | 42.19 | a | 36.89 | d | 54.37 | a | ||||||||
1969 | 22.47 | 35.77 | 46.60 | 53.79 | a | 64.77 | 74.67 | 76.39 | 75.11 | 68.42 | 52.60 | 44.52 | 36.94 | 54.34 | ||||||||||||
1970 | 35.28 | d | 43.12 | 46.40 | 50.75 | 61.42 | 72.72 | 78.00 | a | 76.95 | 62.33 | 53.02 | 43.10 | 36.79 | 54.99 | |||||||||||
1971 | 39.11 | 41.38 | 42.56 | 51.40 | 62.15 | 63.32 | 77.11 | 81.06 | 62.82 | 53.56 | 44.03 | 36.39 | 54.57 | |||||||||||||
1972 | 33.35 | 37.12 | 46.95 | 49.80 | 61.82 | 68.33 | a | ----- | z | 78.58 | 63.80 | 54.94 | 44.20 | 29.87 | 51.71 | a | ||||||||||
1973 | 32.47 | 40.14 | 48.18 | 53.47 | 62.65 | 68.37 | 77.83 | a | 75.97 | 67.28 | ----- | z | 42.35 | 41.52 | 55.47 | a | ||||||||||
1974 | 30.63 | 43.45 | ----- | z | 53.02 | a | 57.63 | 69.30 | 74.21 | 75.23 | 69.43 | 56.40 | 45.97 | 40.89 | 56.01 | a | ||||||||||
1975 | 35.39 | 36.14 | 43.74 | 48.07 | 58.55 | 64.57 | 77.42 | 71.05 | 68.48 | ----- | z | 43.07 | ----- | z | 54.65 | b | ||||||||||
1976 | 38.50 | 39.29 | 42.29 | 51.45 | 60.08 | 64.92 | 74.69 | 71.76 | 70.15 | 55.23 | 43.73 | 34.76 | 53.90 | |||||||||||||
1977 | ----- | z | 41.37 | a | 44.98 | 55.00 | 57.76 | 72.80 | 74.26 | 79.24 | 63.73 | 54.21 | 42.07 | 38.05 | 56.68 | a | ||||||||||
1978 | 34.07 | a | 40.71 | 47.79 | 52.20 | 57.60 | 68.52 | 74.18 | 70.74 | 62.53 | 52.55 | 34.87 | 30.98 | 52.23 | ||||||||||||
1979 | 16.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 16.13 | k | |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | 41.50 | y | 42.69 | g | 43.08 | m | 52.50 | k | 56.78 | m | 71.80 | h | 76.90 | j | 63.12 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | 38.44 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | 41.62 | w | 41.24 | f | 50.23 | c | 52.35 | q | 61.32 | n | 70.02 | g | 79.32 | i | 76.88 | n | 65.91 | m | 59.60 | j | 44.89 | l | 38.53 | l | 50.23 | k |
2005 | 34.33 | j | 39.47 | l | 50.33 | h | 53.80 | 63.26 | f | 67.12 | m | 77.89 | q | 74.75 | a | 67.15 | j | 57.83 | g | 43.65 | d | 33.19 | 51.35 | h | ||
2006 | 43.71 | g | 37.94 | k | 47.23 | 54.87 | d | 62.76 | j | 68.35 | g | 81.07 | i | 75.66 | c | 67.55 | 55.68 | f | 45.81 | n | 40.39 | v | 61.33 | h | ||
2007 | 26.00 | w | 47.79 | u | 51.14 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.66 | 40.74 | 46.33 | 52.41 | 60.88 | 68.88 | 76.27 | 75.76 | 66.85 | 54.83 | 43.42 | 36.22 | 54.73 | |||||||||||||
S.D. | 6.71 | 2.61 | 2.38 | 2.14 | 2.29 | 3.14 | 2.29 | 3.35 | 3.40 | 2.02 | 2.68 | 3.60 | 1.43 | |||||||||||||
SKEW | -1.29 | -0.58 | -0.04 | -0.10 | 0.06 | 0.07 | 0.16 | 0.20 | 0.16 | 0.81 | -1.74 | -0.13 | 0.12 | |||||||||||||
MAX | 42.44 | 44.29 | 50.53 | 56.17 | 64.77 | 74.67 | 80.40 | 82.32 | 73.25 | 59.18 | 46.65 | 41.88 | 57.22 | |||||||||||||
MIN | 16.13 | 35.77 | 42.29 | 48.07 | 57.60 | 63.32 | 72.32 | 70.74 | 62.33 | 52.55 | 34.87 | 29.87 | 52.23 | |||||||||||||
YRS | 16 | 16 | 17 | 18 | 16 | 16 | 15 | 17 | 17 | 15 | 18 | 17 | 10 |