YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.71 | 65.67 | 57.86 | c | 67.08 | i | ||
1979 | 52.93 | b | 63.15 | h | 71.44 | d | 81.10 | a | 85.73 | a | 93.03 | 97.26 | 92.00 | 88.13 | 86.63 | a | 64.10 | 59.84 | 79.29 | a | ||||||
1980 | 62.71 | 66.00 | 72.65 | 81.03 | 87.87 | 103.80 | 101.71 | 95.21 | g | 87.47 | 74.61 | 63.20 | 61.29 | 78.39 | a | |||||||||||
1981 | 56.47 | a | 66.04 | 67.29 | 80.47 | 86.19 | 96.97 | 97.03 | 89.68 | 87.12 | f | 78.90 | 73.27 | 64.23 | 77.87 | a | ||||||||||
1982 | 58.68 | 62.54 | 73.65 | 78.80 | 85.58 | 96.43 | 98.45 | 96.35 | 90.80 | 80.64 | c | 62.43 | 52.77 | 78.09 | ||||||||||||
1983 | 55.52 | 64.19 | a | 71.16 | 73.57 | 88.58 | 97.47 | 99.13 | 97.26 | 93.57 | 79.27 | a | 68.37 | 59.74 | 78.98 | |||||||||||
1984 | 57.26 | 66.10 | 75.00 | a | 81.80 | 92.81 | 93.53 | 95.74 | 90.77 | 89.03 | 74.68 | 65.43 | 58.70 | a | 78.41 | |||||||||||
1985 | 54.22 | d | 63.75 | t | 70.77 | 80.83 | 89.35 | 94.66 | a | 97.10 | 96.10 | 85.47 | 75.23 | 69.97 | 59.97 | 79.42 | a | |||||||||
1986 | 62.65 | 67.79 | 73.94 | 84.17 | 87.55 | 91.07 | 93.45 | 92.73 | a | 87.60 | 75.61 | 61.83 | 53.16 | 77.63 | ||||||||||||
1987 | 57.27 | a | 61.57 | 66.03 | 75.33 | 82.53 | a | 91.93 | 96.00 | 93.55 | 85.90 | a | 83.03 | 67.50 | 56.43 | c | 76.42 | |||||||||
1988 | 58.15 | k | 64.59 | 72.35 | 79.33 | 87.87 | 94.30 | 93.48 | 90.52 | 89.27 | 81.90 | 70.87 | 57.45 | 80.18 | a | |||||||||||
1989 | 58.87 | 62.86 | 75.19 | 84.57 | 92.39 | 97.72 | e | 95.68 | 92.43 | c | 87.27 | 80.87 | 69.54 | b | 54.58 | 79.33 | ||||||||||
1990 | 61.48 | d | 65.54 | b | 70.45 | 79.23 | 87.19 | e | 101.60 | 91.61 | 88.48 | 84.63 | 77.45 | 67.53 | 58.42 | 77.80 | ||||||||||
1991 | 54.39 | 63.96 | 69.84 | 79.83 | 90.61 | 96.27 | 91.06 | 91.65 | 80.37 | 80.03 | 60.75 | b | 54.55 | b | 76.11 | |||||||||||
1992 | 50.61 | 60.93 | a | 70.66 | b | 80.33 | 81.71 | c | 94.80 | 96.40 | a | 93.39 | 90.50 | 81.45 | 60.97 | 56.90 | a | 76.55 | ||||||||
1993 | 58.89 | d | 61.82 | 71.19 | 79.93 | 87.74 | 95.97 | 101.19 | j | 94.09 | i | 87.80 | 77.33 | a | 64.55 | a | 57.84 | 74.31 | b | |||||||
1994 | 58.84 | 64.82 | 71.73 | a | 80.80 | 88.73 | a | 101.70 | 99.16 | 96.10 | ----- | z | 77.73 | p | 66.60 | 59.77 | 78.83 | b | ||||||||
1995 | 57.81 | 66.11 | 69.65 | 78.70 | 82.00 | x | ----- | z | 98.57 | a | 95.54 | c | 88.76 | e | 83.45 | b | 70.07 | 59.73 | a | 76.84 | b | |||||
1996 | 59.26 | d | 66.89 | b | 69.55 | b | 80.10 | 97.90 | b | 98.04 | d | 94.54 | c | 92.03 | b | 86.46 | d | 80.07 | a | 70.79 | f | 60.56 | d | 80.49 | a | |
1997 | 52.78 | h | 61.84 | c | 76.97 | b | 77.21 | b | 87.65 | n | 95.00 | b | 98.31 | o | ----- | z | 91.96 | c | ----- | z | 67.17 | f | ----- | z | 80.60 | g |
1998 | 64.68 | c | 60.14 | f | 71.13 | h | 77.96 | d | ----- | z | 101.42 | d | 98.04 | e | 92.37 | d | ----- | z | ----- | z | ----- | z | ----- | z | 86.89 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.92 | 64.33 | 71.55 | 79.76 | 88.26 | 96.62 | 96.36 | 93.00 | 87.94 | 79.38 | 66.26 | 58.09 | 77.70 | |||||||||||||
S.D. | 3.61 | 2.08 | 2.67 | 2.55 | 3.82 | 3.50 | 2.76 | 2.53 | 3.04 | 3.30 | 3.66 | 2.90 | 1.14 | |||||||||||||
SKEW | -0.06 | -0.14 | 0.01 | -0.44 | 0.65 | 0.48 | -0.25 | 0.13 | -0.48 | 0.29 | 0.12 | -0.14 | -0.08 | |||||||||||||
MAX | 64.68 | 67.79 | 76.97 | 84.57 | 97.90 | 103.80 | 101.71 | 97.26 | 93.57 | 86.63 | 73.27 | 64.23 | 79.33 | |||||||||||||
MIN | 50.61 | 60.93 | 66.03 | 73.57 | 81.71 | 91.07 | 91.06 | 88.48 | 80.37 | 74.61 | 60.75 | 52.77 | 76.11 | |||||||||||||
YRS | 18 | 17 | 19 | 20 | 17 | 19 | 18 | 17 | 17 | 18 | 18 | 19 | 9 |