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 | ----- | z | 47.43 | 35.87 | 41.65 | j | ||
1973 | 37.61 | 47.25 | 51.87 | 61.60 | 77.07 | a | 83.67 | 92.74 | 89.33 | a | 78.30 | 66.68 | 49.72 | a | 44.61 | 65.04 | ||||||||||
1974 | 38.94 | 48.82 | 51.71 | 60.17 | 70.42 | 88.97 | 91.13 | a | 89.70 | a | 86.43 | b | 70.13 | 51.70 | 46.70 | a | 66.23 | |||||||||
1975 | 39.83 | a | 44.43 | 49.87 | a | 51.75 | b | 69.97 | 78.33 | 94.61 | 85.90 | 83.20 | 64.19 | 49.23 | 46.84 | 63.18 | ||||||||||
1976 | 43.84 | 48.45 | 50.13 | 60.80 | 76.87 | 78.59 | a | 91.29 | 81.61 | 79.93 | 68.61 | 59.00 | 46.42 | 65.46 | ||||||||||||
1977 | 33.29 | 51.11 | 51.13 | 69.10 | 63.65 | 86.70 | 89.55 | 89.29 | 78.33 | 68.32 | 51.23 | 44.68 | 64.70 | |||||||||||||
1978 | 41.52 | 45.96 | 60.10 | 58.90 | 68.06 | 81.10 | 89.94 | 87.03 | 75.33 | 72.74 | 49.00 | 38.06 | 63.98 | |||||||||||||
1979 | 31.06 | 44.96 | 55.10 | 61.63 | 73.35 | 84.50 | 92.81 | 86.77 | 85.57 | 69.61 | 47.73 | 45.90 | 64.92 | |||||||||||||
1980 | 40.23 | a | 47.72 | 51.23 | 66.86 | a | 68.97 | 78.50 | 92.26 | 88.32 | 80.13 | 68.97 | 54.17 | 44.30 | a | 65.14 | ||||||||||
1981 | 37.77 | 49.18 | 56.00 | a | 65.13 | 68.17 | g | 83.50 | f | 91.61 | c | 94.38 | b | 83.93 | c | 63.83 | a | 53.28 | a | 46.63 | d | 64.17 | b | |||
1982 | 37.57 | a | ----- | z | 52.00 | b | 59.72 | a | 72.48 | d | 81.24 | a | 87.93 | c | 92.30 | a | 76.40 | 64.10 | b | 43.21 | b | 41.07 | d | 64.37 | a | |
1983 | 44.67 | a | 49.62 | b | 53.34 | b | 56.89 | b | 72.45 | b | 78.37 | c | 86.69 | b | 90.18 | c | 82.15 | d | 68.93 | b | 50.77 | 34.03 | b | 64.01 | ||
1984 | 29.03 | a | 39.25 | e | 53.93 | b | 58.50 | b | 73.00 | e | 75.34 | a | 93.27 | e | 92.06 | 80.05 | h | 61.04 | f | 49.05 | h | 36.41 | i | 64.30 | d | |
1985 | 38.62 | b | 45.52 | c | 50.86 | b | 71.46 | d | 75.04 | h | 88.14 | b | 99.92 | f | 91.68 | l | 73.00 | l | 65.09 | h | 39.71 | f | 27.70 | d | 53.72 | f |
1986 | 40.54 | e | 51.69 | b | 59.83 | h | 63.57 | b | 74.54 | c | 89.37 | 89.60 | f | 98.64 | c | 69.14 | h | 70.30 | d | 56.11 | b | 39.96 | d | 64.97 | c | |
1987 | 40.48 | h | 48.83 | d | 55.16 | f | 72.25 | f | 74.71 | c | 84.50 | b | 87.48 | h | 91.07 | a | 86.43 | 75.61 | 51.70 | 41.32 | 69.27 | d | ||||
1988 | 38.43 | a | 54.31 | 58.48 | 67.50 | 74.27 | a | 85.69 | a | 96.39 | 92.81 | 82.70 | c | 78.31 | b | 48.73 | 37.48 | 67.93 | ||||||||
1989 | 37.84 | 37.59 | a | 55.65 | 68.76 | a | 71.23 | a | 85.41 | a | 96.45 | 86.43 | a | 82.19 | c | 65.87 | a | 53.52 | a | 43.73 | a | 65.39 | ||||
1990 | 45.13 | 47.11 | 59.61 | 70.73 | 69.66 | b | 83.39 | b | 94.03 | a | 89.55 | 87.43 | b | 69.65 | 55.10 | a | 35.26 | 67.22 | ||||||||
1991 | 42.90 | b | 53.79 | 52.39 | 59.66 | a | 65.35 | 76.73 | 93.23 | 92.77 | a | 83.69 | a | 69.50 | e | 49.54 | b | 43.19 | 65.23 | |||||||
1992 | 44.17 | a | 54.17 | 63.03 | ----- | z | 82.90 | 84.60 | 88.77 | 92.58 | 81.53 | 71.57 | a | 44.60 | 37.33 | a | 67.75 | a | ||||||||
1993 | 32.90 | a | 35.79 | 52.70 | a | 61.18 | b | 76.57 | a | 76.55 | a | 81.63 | a | 85.35 | 82.10 | 67.69 | b | 48.23 | 44.03 | 62.06 | ||||||
1994 | 48.77 | a | 45.70 | a | 62.87 | 66.07 | 75.68 | 86.27 | 95.71 | 94.71 | 85.59 | a | 68.03 | b | 43.34 | a | 38.10 | a | 67.57 | |||||||
1995 | 43.97 | 56.70 | a | 54.35 | 61.07 | c | 68.61 | 78.13 | 89.90 | 92.47 | a | 84.00 | 68.87 | 61.07 | a | 41.90 | 66.75 | |||||||||
1996 | 43.58 | 47.76 | 60.10 | 65.41 | a | 69.81 | 85.14 | a | 96.23 | 93.65 | 80.57 | 67.26 | 54.27 | 45.52 | 67.44 | |||||||||||
1997 | 44.13 | 49.07 | 62.35 | ----- | z | 78.48 | 80.55 | a | 89.03 | 91.77 | 82.87 | 67.52 | 55.57 | 42.45 | 67.62 | a | ||||||||||
1998 | 49.71 | 46.96 | 57.10 | 61.03 | 66.87 | 76.80 | 95.00 | 95.23 | a | 84.87 | 67.17 | a | 53.70 | 44.41 | b | 66.57 | ||||||||||
1999 | 48.23 | a | 47.79 | d | ----- | z | ----- | z | ----- | z | 83.58 | d | 92.73 | e | 91.27 | e | ----- | z | ----- | z | ----- | z | ----- | z | 72.72 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.55 | 47.67 | 55.25 | 62.94 | 72.29 | 82.31 | 91.79 | 90.58 | 82.33 | 68.89 | 51.28 | 41.44 | 65.49 | |||||||||||||
S.D. | 5.25 | 4.85 | 4.24 | 4.80 | 4.47 | 4.18 | 3.50 | 3.67 | 3.21 | 3.33 | 4.45 | 4.77 | 1.60 | |||||||||||||
SKEW | -0.33 | -0.62 | 0.56 | -0.07 | 0.22 | -0.04 | -0.92 | -0.28 | -0.49 | 0.99 | 0.11 | -1.03 | -0.30 | |||||||||||||
MAX | 49.71 | 56.70 | 63.03 | 71.46 | 82.90 | 89.37 | 96.45 | 98.64 | 87.43 | 78.31 | 61.07 | 46.84 | 67.93 | |||||||||||||
MIN | 29.03 | 35.79 | 49.87 | 51.75 | 63.65 | 75.34 | 81.63 | 81.61 | 75.33 | 63.83 | 43.21 | 27.70 | 62.06 | |||||||||||||
YRS | 26 | 26 | 24 | 23 | 24 | 26 | 24 | 26 | 23 | 24 | 25 | 26 | 18 |