YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.04 | p | 79.67 | a | 81.92 | e | 77.12 | a | 65.32 | 49.58 | 47.95 | 66.93 | f | |||
1960 | 45.21 | 45.90 | 54.47 | 66.28 | 72.50 | 82.48 | 81.23 | 81.40 | 75.60 | 68.18 | 56.10 | 42.05 | 64.28 | |||||||||||||
1961 | 41.50 | 50.27 | 57.52 | 64.85 | 74.19 | 78.98 | a | 79.21 | 79.48 | 75.75 | 66.34 | 49.53 | 46.31 | 63.66 | ||||||||||||
1962 | 41.15 | 56.04 | 54.29 | 67.22 | 77.00 | 79.77 | 82.08 | 82.13 | 75.50 | 67.00 | 55.53 | 46.98 | 65.39 | |||||||||||||
1963 | 42.13 | 50.71 | 59.95 | 70.30 | 75.82 | 80.37 | 83.44 | 81.52 | 76.28 | 69.10 | 55.05 | 41.89 | 65.55 | |||||||||||||
1964 | 43.89 | 44.53 | 56.98 | 66.55 | 75.60 | 80.77 | 83.97 | 83.56 | 74.97 | 64.63 | 55.37 | 48.44 | 64.94 | |||||||||||||
1965 | 49.73 | 47.46 | 51.98 | 68.90 | 73.81 | 79.93 | 82.40 | 79.92 | 76.27 | 64.73 | a | 59.42 | 51.48 | 65.50 | ||||||||||||
1966 | 41.11 | 45.82 | 59.63 | 64.78 | 72.39 | 79.00 | 84.50 | 80.45 | 75.35 | 61.89 | 58.82 | 44.60 | 64.03 | |||||||||||||
1967 | 46.26 | 50.82 | 63.26 | 71.05 | 72.61 | 81.43 | 82.13 | 78.94 | 72.83 | a | 65.68 | 56.20 | 44.16 | 65.45 | ||||||||||||
1968 | 46.18 | 48.67 | 56.39 | 63.92 | 73.81 | 79.88 | 79.48 | 79.97 | 72.68 | 67.02 | 52.12 | 46.76 | 63.91 | |||||||||||||
1969 | 51.40 | 51.46 | 50.87 | 67.17 | 72.74 | 79.83 | 84.97 | 83.17 | a | 76.18 | 64.16 | 53.02 | 49.02 | 65.33 | ||||||||||||
1970 | 45.37 | 50.59 | ----- | z | ----- | z | 68.90 | 72.07 | 75.62 | o | 79.31 | 69.86 | a | 56.72 | a | 51.11 | b | 48.35 | 60.25 | c | ||||||
1971 | 50.30 | f | 51.70 | 59.61 | 66.75 | 75.92 | 82.08 | 84.32 | 79.15 | 76.03 | a | 67.39 | 56.02 | a | 50.72 | a | 68.15 | a | ||||||||
1972 | 47.40 | 52.53 | 63.94 | 69.82 | 72.97 | 81.45 | a | 82.29 | 80.66 | 77.43 | a | 67.08 | 49.33 | c | ----- | z | 67.72 | a | ||||||||
1973 | 44.97 | p | 45.26 | c | 57.43 | a | 61.95 | a | ----- | z | ----- | z | ----- | z | ----- | z | 71.42 | x | 68.23 | a | 57.75 | ----- | z | 58.12 | g | |
1974 | 46.48 | a | 49.50 | 63.97 | 66.33 | 77.02 | ----- | z | 83.63 | 80.63 | 68.02 | 64.55 | 53.82 | 44.55 | a | 63.50 | a | |||||||||
1975 | 46.13 | 49.28 | a | 55.32 | 63.52 | 71.34 | 81.05 | 79.69 | 81.79 | b | 70.98 | b | 67.56 | g | 56.19 | d | 47.27 | 63.87 | a | |||||||
1976 | 43.77 | k | 54.00 | c | 58.91 | c | 67.42 | 70.84 | i | 81.21 | b | 78.03 | 81.71 | 73.03 | 58.42 | 45.60 | 42.44 | 64.08 | b | |||||||
1977 | 38.58 | 49.45 | 55.82 | 64.85 | 75.98 | a | 82.28 | 84.40 | 86.31 | 82.65 | 67.60 | 56.40 | 49.61 | 66.16 | ||||||||||||
1978 | 40.94 | 44.68 | 59.35 | 70.34 | a | 75.97 | 82.30 | 85.97 | a | 81.94 | 74.35 | c | 65.79 | e | 55.46 | b | ----- | z | 67.01 | a | ||||||
1979 | 43.90 | j | 47.96 | c | 58.12 | a | 67.02 | 73.61 | d | ----- | z | 84.47 | a | 80.81 | 75.86 | b | 69.45 | 51.21 | a | 45.05 | 65.35 | b | ||||
1980 | 46.28 | a | 48.52 | a | 56.79 | b | 63.73 | 73.68 | 86.65 | 88.03 | a | 83.15 | 77.10 | 63.24 | 50.62 | 48.44 | 65.52 | |||||||||
1981 | 45.23 | 50.37 | a | 54.70 | a | 67.24 | g | 72.35 | 80.72 | a | 84.10 | 80.26 | 75.95 | 66.87 | d | 58.96 | b | 49.94 | f | 66.95 | b | |||||
1982 | 42.29 | e | 47.07 | 58.53 | a | 63.41 | a | 70.82 | i | 80.85 | c | 85.26 | l | 84.54 | f | 78.85 | f | 68.48 | f | 52.76 | c | 42.85 | g | 57.49 | f | |
1983 | 43.59 | c | 48.38 | d | ----- | z | 62.58 | q | 72.75 | k | 78.03 | o | 85.11 | q | 84.50 | f | 77.95 | h | 69.14 | j | 55.97 | o | 46.83 | s | 45.98 | j |
1984 | ----- | z | ----- | z | ----- | z | 63.38 | a | 73.58 | a | 80.78 | a | 82.39 | 82.18 | 73.92 | 62.52 | b | 52.62 | 47.55 | a | 68.77 | c | ||||
1985 | 39.68 | 43.91 | a | 58.10 | b | 66.93 | 74.90 | 78.07 | a | 82.31 | b | 83.27 | a | 75.10 | a | 64.23 | 56.05 | 42.27 | 63.74 | |||||||
1986 | 45.77 | 50.89 | a | 59.34 | 70.17 | 73.69 | 80.07 | 82.56 | 81.92 | 77.02 | a | 64.06 | 52.91 | a | 45.70 | a | 65.34 | |||||||||
1987 | 43.50 | 49.46 | 52.63 | 61.32 | 71.21 | 78.67 | 82.32 | 83.37 | 74.87 | 68.69 | 53.18 | 44.66 | 63.66 | |||||||||||||
1988 | 40.69 | 49.17 | 56.21 | 64.97 | 73.37 | 80.70 | 82.50 | 82.37 | 75.83 | 67.18 | 56.48 | 45.48 | 64.58 | |||||||||||||
1989 | 46.53 | 47.80 | 58.85 | 68.63 | 76.45 | 80.97 | 84.66 | 82.37 | 74.18 | 66.81 | 54.87 | 39.58 | 65.14 | |||||||||||||
1990 | 45.81 | 51.95 | 56.98 | a | 66.25 | 72.98 | 88.52 | 81.61 | 80.42 | 77.03 | 64.62 | a | 56.80 | 44.50 | 65.62 | |||||||||||
1991 | 42.16 | 52.66 | 58.23 | 65.83 | 77.93 | a | 83.66 | a | 81.77 | 81.42 | 72.33 | 67.02 | 50.83 | 47.10 | 65.08 | |||||||||||
1992 | 43.03 | 52.21 | c | 59.61 | 65.27 | 71.30 | d | 80.52 | 83.97 | 81.19 | 78.33 | 68.09 | b | 50.64 | a | 47.39 | 65.13 | |||||||||
1993 | 45.02 | a | 49.06 | a | 56.85 | 64.60 | a | 74.45 | 82.67 | 86.38 | a | 84.95 | a | 75.95 | a | 65.12 | b | 51.07 | a | 48.03 | b | 65.35 | ||||
1994 | 45.79 | b | 48.67 | e | 58.93 | a | 65.73 | d | 74.52 | 87.22 | 85.77 | 83.05 | 74.50 | 66.59 | b | 55.55 | a | 48.15 | e | 66.21 | ||||||
1995 | 44.12 | e | 52.41 | e | 55.52 | b | 63.04 | b | 73.98 | b | 80.15 | 84.44 | 83.69 | 75.53 | 66.29 | c | 55.23 | 46.06 | 65.04 | |||||||
1996 | 43.93 | b | 51.16 | a | 51.89 | d | 63.80 | b | 81.90 | b | 84.42 | 85.53 | 80.41 | b | 73.65 | 64.80 | a | 54.07 | b | 47.19 | 65.23 | |||||
1997 | 42.40 | b | 46.84 | 58.52 | 59.38 | 72.66 | 80.08 | 84.97 | 84.06 | 78.14 | a | 65.92 | 51.17 | 41.74 | 63.82 | |||||||||||
1998 | 48.50 | 49.80 | 54.87 | 63.13 | 79.06 | 86.73 | 84.77 | 82.74 | 80.64 | a | 70.52 | a | 57.22 | a | 44.20 | i | 68.91 | a | ||||||||
1999 | 49.08 | a | 55.00 | g | 58.57 | a | 66.15 | 74.37 | 81.82 | 84.81 | 85.29 | 77.80 | b | 66.08 | 57.95 | 44.97 | a | 67.90 | a | |||||||
2000 | 48.15 | a | 55.41 | 55.98 | c | 67.02 | a | 80.18 | 81.56 | l | 88.00 | 85.23 | 80.57 | b | ----- | z | ----- | z | ----- | z | 70.07 | d | ||||
2001 | ----- | z | ----- | z | 53.52 | j | 69.07 | b | 76.63 | a | 85.52 | a | 87.16 | 83.47 | 77.82 | 68.21 | 55.00 | 46.06 | f | 75.36 | d | |||||
2002 | 45.82 | 45.41 | 52.02 | e | 70.98 | b | 75.87 | e | 83.97 | 83.11 | 85.60 | 77.03 | 63.69 | 50.68 | 45.74 | d | 64.99 | |||||||||
2003 | 45.02 | a | 47.50 | 57.62 | a | 67.27 | 75.53 | 80.93 | 82.90 | a | 83.12 | e | 76.18 | 66.98 | a | 55.84 | a | 44.92 | f | 67.17 | a | |||||
2004 | 47.50 | a | 45.81 | c | 60.65 | 62.90 | a | 76.03 | 82.30 | 82.98 | 80.48 | 74.07 | 65.85 | h | 50.47 | 44.00 | g | 66.32 | b | |||||||
2005 | 48.98 | 48.41 | 53.69 | 63.07 | 73.42 | 82.87 | 83.40 | 80.39 | 80.05 | 65.18 | a | 53.97 | 42.02 | h | 66.68 | a | ||||||||||
2006 | ----- | z | 49.11 | a | 59.91 | c | 69.85 | d | 77.35 | e | 82.65 | 85.16 | 82.33 | a | 73.38 | 66.16 | 54.52 | 43.54 | f | 70.04 | b | |||||
2007 | 43.38 | g | 46.74 | e | 59.23 | 62.34 | a | 70.14 | b | 80.11 | h | 79.41 | c | 81.77 | c | 78.92 | l | 69.55 | a | 54.40 | 47.67 | h | 65.45 | d | ||
2008 | 44.18 | 53.79 | o | 56.27 | a | 64.10 | 74.82 | a | 86.40 | a | 82.00 | 81.32 | 73.47 | j | 63.98 | b | 52.90 | a | 45.52 | h | 67.33 | c | ||||
2009 | 43.43 | x | ----- | z | ----- | z | 76.25 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 44.79 | 49.23 | 57.30 | 65.90 | 74.55 | 81.69 | 83.32 | 82.01 | 75.64 | 65.81 | 53.97 | 46.06 | 64.95 | |||||||||||||
S.D. | 2.88 | 2.81 | 3.01 | 2.77 | 2.52 | 2.87 | 2.27 | 1.77 | 2.72 | 2.62 | 2.95 | 2.69 | 0.75 | |||||||||||||
SKEW | 0.00 | 0.23 | -0.01 | 0.08 | 0.52 | -0.11 | -0.18 | 0.43 | -0.14 | -1.23 | -0.39 | -0.32 | -0.44 | |||||||||||||
MAX | 51.40 | 56.04 | 63.97 | 71.05 | 81.90 | 88.52 | 88.03 | 86.31 | 82.65 | 70.52 | 59.42 | 51.48 | 66.21 | |||||||||||||
MIN | 38.58 | 43.91 | 50.87 | 59.38 | 68.90 | 72.07 | 78.03 | 78.94 | 68.02 | 56.72 | 45.60 | 39.58 | 63.66 | |||||||||||||
YRS | 41 | 45 | 45 | 46 | 45 | 43 | 46 | 47 | 45 | 45 | 48 | 35 | 26 |