YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.77 | e | 54.27 | 42.32 | 53.12 | i | ||
1973 | 43.87 | 53.29 | 54.21 | b | 62.83 | 70.84 | 72.87 | 82.19 | 76.84 | 74.87 | 61.65 | ----- | z | 49.39 | 63.89 | a | ||||||||||
1974 | 42.33 | a | 47.79 | 54.65 | 58.55 | a | 61.93 | a | 74.79 | a | 77.19 | 81.45 | 82.17 | 69.19 | 54.83 | 49.10 | 62.83 | |||||||||
1975 | 46.97 | 46.96 | 52.39 | 55.53 | 67.77 | 72.00 | a | 79.68 | 75.31 | b | 79.17 | 60.13 | 51.40 | 48.70 | a | 61.33 | ||||||||||
1976 | 48.39 | 49.62 | 52.03 | 58.63 | 67.87 | 69.63 | 77.90 | 74.61 | 75.03 | 65.81 | 57.53 | 45.35 | 61.87 | |||||||||||||
1977 | 46.42 | 53.93 | 52.19 | 64.83 | 62.65 | 75.10 | a | 77.35 | 84.71 | 69.20 | 63.71 | 50.87 | 48.29 | 62.44 | ||||||||||||
1978 | 46.23 | 52.54 | 59.58 | 60.20 | 64.65 | 76.57 | 80.10 | 78.61 | 69.21 | a | 67.52 | 48.40 | 43.29 | 62.24 | ||||||||||||
1979 | 37.19 | 47.36 | 59.55 | 60.23 | 69.68 | 76.07 | 81.26 | 78.45 | 76.83 | 65.97 | a | 51.80 | 50.30 | a | 62.89 | |||||||||||
1980 | 42.94 | 49.43 | a | 53.27 | a | 63.53 | 66.48 | 67.33 | 78.84 | 77.26 | 74.43 | 66.74 | 54.67 | 49.93 | a | 62.07 | ||||||||||
1981 | 51.94 | 51.04 | a | 58.71 | 59.90 | 66.26 | 69.17 | 77.32 | 84.55 | 76.50 | 62.87 | 56.21 | a | 48.87 | a | 63.61 | ||||||||||
1982 | 42.74 | 49.00 | a | 55.97 | b | 57.73 | 68.06 | 75.93 | 76.77 | 78.93 | a | 73.28 | a | 64.00 | 50.60 | 46.70 | a | 61.64 | ||||||||
1983 | 49.23 | a | 53.07 | 57.68 | 62.67 | 70.50 | a | 70.20 | 74.60 | a | 78.50 | a | 72.03 | 63.48 | 53.96 | b | 39.81 | 62.14 | ||||||||
1984 | 49.90 | 53.28 | 58.19 | 57.50 | 64.29 | 70.47 | 80.35 | 80.37 | a | 72.73 | 59.13 | 51.67 | 42.97 | 61.74 | ||||||||||||
1985 | 44.23 | 47.89 | 54.16 | 62.67 | c | ----- | z | ----- | z | 84.97 | 78.35 | 69.20 | 61.50 | a | 43.22 | c | 43.61 | 58.98 | b | |||||||
1986 | 51.03 | a | 50.54 | b | 61.10 | a | 59.10 | 67.23 | 76.79 | b | 74.03 | a | 84.52 | 68.87 | 66.07 | a | 53.26 | c | 47.10 | 63.30 | ||||||
1987 | 47.58 | 53.00 | 56.65 | 65.32 | b | 70.37 | a | 77.90 | 75.81 | 81.77 | 76.28 | a | 70.39 | 55.52 | a | 43.55 | 64.51 | |||||||||
1988 | 45.18 | c | 54.21 | 56.32 | 60.52 | c | 65.39 | 71.97 | 79.97 | 78.58 | 75.57 | 66.52 | 51.68 | b | 46.55 | 62.70 | ||||||||||
1989 | 46.59 | b | 44.44 | c | 52.43 | a | 66.73 | 66.94 | 74.97 | 73.94 | 75.03 | 78.24 | a | 62.26 | 53.60 | 45.63 | a | 61.73 | ||||||||
1990 | 48.50 | a | 48.80 | c | 58.84 | 64.53 | 64.70 | a | 72.07 | a | 83.03 | 79.85 | d | 76.30 | 60.13 | 53.25 | b | 41.85 | e | 62.65 | ||||||
1991 | 48.65 | 57.79 | 54.26 | ----- | z | 61.90 | 68.54 | b | 81.13 | a | 79.83 | a | 80.14 | a | 66.43 | a | 52.93 | b | 47.28 | b | 63.53 | a | ||||
1992 | ----- | z | 57.76 | 64.00 | 64.00 | 76.40 | a | 77.23 | 80.00 | 82.13 | 72.63 | 64.58 | 51.07 | 43.27 | a | 66.64 | a | |||||||||
1993 | 42.65 | 49.15 | b | 57.27 | a | 59.20 | 70.63 | a | 70.72 | a | 70.90 | 77.84 | 78.30 | 66.71 | 47.97 | a | 47.70 | a | 61.59 | |||||||
1994 | 50.00 | b | 49.00 | b | 60.35 | 62.30 | 69.55 | 69.90 | 81.77 | 78.77 | a | 76.97 | 62.50 | a | 46.34 | a | 46.93 | b | 62.87 | |||||||
1995 | 49.33 | a | 56.04 | c | 56.81 | 60.13 | 70.32 | 72.03 | a | 78.93 | d | 76.00 | 74.57 | 61.13 | a | 56.79 | b | 47.24 | b | 63.28 | ||||||
1996 | 45.48 | b | 49.11 | a | 56.68 | 61.20 | 62.23 | 72.33 | 83.55 | 81.00 | b | 70.57 | 60.10 | a | 51.32 | b | 47.56 | d | 61.76 | |||||||
1997 | 47.10 | b | 49.85 | b | 53.42 | 59.31 | a | 73.07 | a | 71.53 | 79.19 | 86.69 | r | ----- | z | ----- | z | 57.47 | 48.26 | d | 59.91 | c | ||||
1998 | 49.57 | c | 54.82 | 58.97 | b | 64.59 | a | 64.37 | a | 75.45 | a | 82.10 | a | 82.23 | 79.93 | b | 62.23 | e | 52.48 | e | 46.18 | c | 64.41 | |||
1999 | 47.79 | b | 49.62 | b | 54.84 | 62.34 | a | 66.50 | c | 70.79 | a | 80.54 | e | 79.19 | 78.15 | d | 65.93 | a | 56.20 | 49.14 | b | 63.42 | ||||
2000 | 47.08 | g | 50.73 | c | 55.35 | 66.36 | b | 67.86 | b | 77.03 | a | 78.34 | b | 78.32 | 74.07 | c | 63.00 | b | 50.54 | b | 47.28 | b | 64.44 | a | ||
2001 | 49.26 | 51.81 | a | 59.21 | c | 61.00 | a | 79.04 | f | 74.60 | e | 79.13 | a | 81.00 | d | 78.34 | a | 63.86 | b | 53.86 | a | 46.50 | c | 63.51 | a | |
2002 | 46.22 | d | 52.85 | a | 54.93 | d | 63.89 | b | 66.76 | b | 76.96 | b | 84.32 | c | 83.17 | b | 78.86 | h | 67.00 | a | 56.48 | a | 49.50 | a | 63.83 | a |
2003 | 53.68 | 54.48 | e | 56.60 | a | 59.17 | f | 69.35 | e | 79.35 | d | ----- | z | 84.00 | h | 82.21 | k | 68.85 | k | 51.55 | h | 46.42 | l | 62.69 | g | |
2004 | 44.22 | m | 52.48 | f | 62.12 | e | 70.56 | e | 69.86 | j | 79.76 | i | 88.24 | n | 84.29 | n | ----- | z | 69.15 | k | ----- | z | 49.41 | i | 66.34 | j |
2005 | 49.96 | f | 58.82 | k | 62.50 | g | 61.64 | e | 68.09 | h | 69.30 | 80.59 | b | 84.87 | a | 77.43 | b | 64.80 | f | 54.67 | c | 44.29 | g | 71.41 | f | |
2006 | 49.07 | d | 51.72 | c | 55.11 | c | 65.85 | d | 69.83 | a | 77.70 | c | 83.43 | c | 81.19 | 78.57 | 63.67 | a | 51.54 | d | 45.23 | a | 64.41 | |||
2007 | 45.57 | a | 51.50 | 58.24 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.53 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.96 | 51.28 | 56.60 | 61.98 | 67.48 | 73.35 | 79.35 | 79.78 | 75.32 | 64.10 | 52.70 | 46.42 | 62.67 | |||||||||||||
S.D. | 3.34 | 3.09 | 3.02 | 3.21 | 3.39 | 3.26 | 3.24 | 2.86 | 3.58 | 2.79 | 3.23 | 2.64 | 0.95 | |||||||||||||
SKEW | -0.62 | 0.20 | 0.42 | 0.39 | 0.31 | 0.01 | -0.53 | 0.14 | -0.31 | 0.22 | -0.83 | -0.64 | 0.56 | |||||||||||||
MAX | 53.68 | 57.79 | 64.00 | 70.56 | 76.40 | 79.35 | 84.97 | 84.87 | 82.17 | 70.39 | 57.53 | 50.30 | 64.51 | |||||||||||||
MIN | 37.19 | 44.44 | 52.03 | 55.53 | 61.90 | 67.33 | 70.90 | 74.61 | 68.87 | 59.13 | 43.22 | 39.81 | 61.33 | |||||||||||||
YRS | 31 | 33 | 33 | 32 | 30 | 32 | 32 | 31 | 30 | 31 | 32 | 32 | 23 |