YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | 50.00 | 49.87 | 61.43 | 66.81 | 84.67 | 85.61 | 80.30 | a | 78.62 | a | 68.16 | 58.50 | 54.81 | 67.16 | a | |||||||||
1981 | 51.10 | 54.89 | 51.03 | 66.53 | 70.13 | 84.60 | 82.58 | 82.52 | 77.00 | 65.03 | 61.63 | 53.14 | c | 66.68 | ||||||||||||
1982 | 46.38 | j | 50.50 | f | 55.38 | j | 63.11 | c | 68.71 | c | 80.55 | a | 83.16 | 78.84 | 76.82 | b | 68.68 | c | 53.27 | h | 45.44 | f | 74.27 | e | ||
1983 | 49.96 | e | 47.44 | c | 50.36 | f | 54.15 | j | 70.62 | b | 79.59 | c | 82.13 | 80.32 | 78.58 | f | 66.00 | c | 54.44 | e | 48.29 | g | 66.31 | d | ||
1984 | 48.26 | d | 53.12 | d | 58.60 | f | 62.95 | h | 77.66 | b | 79.89 | b | 81.90 | 77.71 | 75.37 | 58.93 | d | 55.54 | d | 46.84 | f | 67.60 | c | |||
1985 | 43.48 | h | 46.68 | c | 54.42 | g | 66.65 | d | 71.74 | 84.63 | 85.60 | a | 80.87 | 72.74 | c | 64.38 | b | 49.96 | d | 48.96 | f | 69.25 | c | |||
1986 | 54.85 | d | 49.82 | f | 57.76 | f | 61.90 | i | 70.67 | d | 80.21 | b | 79.59 | b | 79.84 | 70.25 | j | 62.00 | c | 52.77 | d | 44.25 | c | 65.52 | d | |
1987 | 42.12 | f | 44.95 | f | 47.76 | b | 63.62 | d | 66.79 | b | 80.36 | b | 80.87 | a | 77.03 | a | 77.72 | a | 72.93 | d | 52.43 | b | 44.73 | e | 66.42 | b |
1988 | 43.33 | d | 53.61 | f | 54.43 | c | 60.77 | d | 71.27 | e | 78.93 | a | 81.71 | 74.80 | a | 72.50 | 69.97 | b | 54.37 | c | 44.93 | b | 64.27 | a | ||
1989 | 43.69 | e | 52.48 | e | 60.63 | d | 69.07 | b | 74.15 | d | 81.47 | 83.50 | a | 78.28 | b | 77.43 | 65.89 | d | 56.50 | b | 49.77 | e | 66.07 | |||
1990 | 43.93 | d | 45.81 | g | 54.58 | e | 63.42 | f | 70.68 | f | 85.04 | b | 79.93 | a | 77.81 | 74.07 | c | 67.72 | b | 54.92 | f | 42.26 | d | 65.67 | d | |
1991 | 43.96 | e | 53.76 | c | 47.95 | j | 61.54 | d | 69.59 | d | 75.79 | a | 81.21 | b | 78.52 | 73.45 | a | 68.82 | c | 51.85 | d | 43.15 | d | 63.78 | a | |
1992 | 39.77 | 48.72 | d | 52.64 | f | 66.24 | a | 65.93 | b | 75.68 | b | 80.15 | d | 76.86 | b | 75.14 | a | 68.93 | c | 49.04 | d | 42.76 | b | 62.66 | a | |
1993 | 44.25 | c | 45.29 | g | 57.60 | f | 63.56 | c | 72.14 | b | 80.30 | c | 81.30 | a | 78.13 | a | 75.57 | 64.86 | c | 51.76 | e | 48.65 | e | 66.05 | b | |
1994 | 50.08 | e | 46.45 | h | 56.29 | c | 62.00 | d | 69.39 | c | ----- | z | 83.87 | a | 82.03 | a | 76.00 | c | 63.66 | b | 50.73 | d | 48.46 | c | 64.25 | b |
1995 | 42.68 | f | 53.62 | b | 54.15 | e | 58.38 | d | 64.96 | d | 77.79 | f | 83.10 | a | ----- | z | ----- | z | 70.62 | b | 60.96 | b | 47.90 | b | 61.71 | d |
1996 | 50.37 | d | 54.52 | d | 56.92 | f | 64.85 | c | 75.43 | c | 83.18 | b | 83.33 | a | 80.00 | a | 70.63 | c | 65.15 | d | 57.12 | d | 49.75 | c | 66.76 | a |
1997 | 41.25 | g | 48.10 | g | 59.78 | d | 60.20 | e | 73.68 | 78.79 | b | 83.18 | c | 80.00 | c | 76.73 | ----- | z | ----- | z | ----- | z | 73.19 | e | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 46.96 | 51.52 | 54.28 | 63.43 | 70.57 | 80.85 | 82.37 | 79.05 | 75.32 | 66.57 | 54.51 | 47.27 | 66.38 | |||||||||||||
S.D. | 4.39 | 3.05 | 4.29 | 2.97 | 3.43 | 2.94 | 1.74 | 1.97 | 2.24 | 3.43 | 3.85 | 3.99 | 0.43 | |||||||||||||
SKEW | 0.15 | -0.48 | 0.06 | 0.22 | 0.26 | -0.11 | 0.24 | -0.18 | -0.53 | -0.30 | 0.46 | 0.44 | 0.00 | |||||||||||||
MAX | 54.85 | 54.89 | 60.63 | 69.07 | 77.66 | 85.04 | 85.61 | 82.52 | 78.62 | 72.93 | 61.63 | 54.81 | 66.68 | |||||||||||||
MIN | 39.77 | 46.68 | 47.76 | 58.38 | 64.96 | 75.68 | 79.59 | 74.80 | 70.63 | 58.93 | 49.04 | 42.26 | 66.07 | |||||||||||||
YRS | 12 | 10 | 9 | 14 | 17 | 16 | 18 | 17 | 15 | 17 | 15 | 13 | 2 |