YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1980 | ----- | z | 36.02 | 35.53 | 42.45 | 48.34 | 62.80 | 68.08 | 63.65 | a | 61.22 | a | 49.60 | 40.98 | 39.35 | 49.82 | a | |||||||||
1981 | 37.19 | 38.32 | 37.34 | 49.30 | 53.08 | 65.87 | 68.08 | 66.56 | 60.70 | 49.79 | 43.63 | 37.41 | c | 50.61 | ||||||||||||
1982 | 31.76 | j | 36.64 | f | 40.10 | j | 46.43 | c | 52.21 | c | 60.45 | a | 66.92 | 65.92 | 62.02 | b | 49.68 | c | 40.41 | h | 32.54 | g | 57.66 | e | ||
1983 | 34.08 | e | 35.04 | c | 38.68 | f | 39.62 | j | 52.47 | b | 60.12 | d | 66.94 | 66.15 | 63.21 | f | 51.68 | c | 39.34 | e | 36.79 | g | 50.72 | d | ||
1984 | 33.54 | d | 34.90 | d | 41.30 | f | 45.80 | h | 58.40 | b | 62.80 | b | 67.29 | 64.77 | 61.00 | 45.89 | d | 40.52 | d | 34.80 | f | 52.12 | c | |||
1985 | 30.87 | h | 32.40 | c | 41.00 | g | 49.58 | d | 54.73 | 65.33 | 69.52 | a | 66.48 | 57.65 | c | 50.59 | b | 38.94 | d | 34.78 | f | 53.91 | c | |||
1986 | 39.11 | d | 37.64 | g | 43.38 | f | 47.57 | i | 53.70 | d | 63.61 | b | 65.00 | b | 66.44 | 57.02 | j | 48.09 | c | 39.67 | d | 33.21 | c | 51.10 | d | |
1987 | 29.48 | f | 32.23 | f | 34.84 | b | 47.79 | d | 51.83 | b | 62.48 | b | 65.33 | a | 64.12 | a | 59.43 | a | 55.09 | d | 38.48 | b | 30.58 | e | 51.00 | b |
1988 | 30.52 | d | 39.57 | f | 39.46 | c | 45.37 | d | 54.52 | e | 63.90 | a | 67.66 | 64.20 | a | 58.03 | 54.47 | b | 40.46 | c | 31.93 | b | 50.05 | a | ||
1989 | 29.85 | e | 38.41 | e | 44.89 | d | 51.48 | b | 56.44 | d | 63.10 | 68.10 | a | 63.88 | b | 61.05 | 50.04 | d | 41.27 | b | 33.19 | e | 50.14 | |||
1990 | 30.02 | d | 31.55 | g | 40.81 | e | 48.08 | f | 54.22 | f | 67.27 | b | 66.60 | a | 63.16 | 61.28 | c | 51.00 | b | 40.38 | f | 28.39 | d | 51.07 | d | |
1991 | 31.77 | e | 39.26 | c | 34.24 | j | 45.13 | d | 53.02 | d | 59.26 | a | 66.34 | b | 65.60 | 59.62 | a | 53.28 | d | 38.79 | d | 32.46 | d | 49.50 | a | |
1992 | 27.23 | 36.80 | d | 40.50 | f | 49.38 | a | 53.17 | b | 60.18 | b | 65.57 | d | 63.97 | b | 60.19 | a | 52.79 | c | 34.63 | d | 30.71 | b | 48.60 | a | |
1993 | 35.50 | d | 35.31 | g | 42.12 | f | 47.78 | c | 56.41 | b | 63.04 | c | 65.92 | a | 65.63 | a | 59.18 | 50.14 | c | 39.06 | e | 34.21 | e | 51.69 | b | |
1994 | 35.08 | e | 32.10 | h | 42.39 | c | 46.75 | d | 53.57 | c | ----- | z | 67.80 | a | 68.32 | a | 61.63 | c | 48.67 | b | 38.79 | d | 36.04 | c | 49.90 | b |
1995 | 31.90 | f | 41.38 | b | 40.94 | f | 43.75 | d | 50.98 | d | 60.77 | f | 67.10 | a | ----- | z | ----- | z | 52.48 | b | 45.30 | b | 33.59 | b | 47.80 | e |
1996 | 36.52 | d | 41.18 | d | 41.06 | f | 48.39 | c | 57.96 | c | 65.75 | b | 69.12 | a | 66.35 | a | 57.76 | c | 50.37 | d | 42.81 | d | 36.57 | c | 52.07 | a |
1997 | 29.58 | g | 35.00 | g | 42.59 | d | 45.42 | e | 57.29 | 61.61 | b | 66.79 | c | 66.41 | c | 63.60 | ----- | z | ----- | z | ----- | z | 57.67 | e | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.37 | 37.37 | 39.73 | 47.07 | 54.01 | 62.97 | 67.12 | 65.39 | 60.29 | 50.80 | 40.18 | 33.66 | 50.37 | |||||||||||||
S.D. | 3.54 | 2.88 | 3.59 | 2.50 | 2.65 | 2.30 | 1.23 | 1.39 | 1.68 | 2.33 | 2.51 | 3.05 | 0.33 | |||||||||||||
SKEW | -0.10 | -0.12 | -0.08 | -0.12 | -0.07 | 0.14 | 0.12 | 0.12 | -0.03 | 0.02 | 0.05 | 0.20 | 0.00 | |||||||||||||
MAX | 39.11 | 41.38 | 44.89 | 51.48 | 58.40 | 67.27 | 69.52 | 68.32 | 63.60 | 55.09 | 45.30 | 39.35 | 50.61 | |||||||||||||
MIN | 27.23 | 32.40 | 34.84 | 42.45 | 48.34 | 59.26 | 65.00 | 63.16 | 57.65 | 45.89 | 34.63 | 28.39 | 50.14 | |||||||||||||
YRS | 12 | 10 | 8 | 14 | 17 | 16 | 18 | 17 | 15 | 17 | 15 | 13 | 2 |