YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1969 | ----- | z | ----- | z | ----- | z | 60.62 | i | 72.90 | b | 77.73 | 81.27 | a | 81.35 | e | 72.76 | a | 58.71 | 54.25 | b | 40.04 | e | 67.37 | d | ||
1970 | 39.58 | 45.82 | 51.48 | d | 52.35 | d | 71.00 | a | 80.47 | 84.77 | 85.58 | 70.30 | 58.29 | 46.10 | 40.03 | 60.48 | ||||||||||
1971 | 45.53 | a | 47.11 | 47.48 | 57.90 | 68.26 | 70.73 | 85.23 | a | 88.81 | 69.33 | 59.83 | a | 49.23 | 40.58 | 60.84 | ||||||||||
1972 | 40.19 | 45.72 | 55.65 | 54.67 | 70.87 | a | 75.13 | 83.77 | 83.58 | 69.13 | 60.26 | 48.20 | 34.55 | 60.14 | ||||||||||||
1973 | 37.23 | 45.04 | 52.29 | 60.00 | 69.03 | 74.23 | 85.58 | 80.90 | 72.70 | 59.61 | 42.60 | 43.77 | 60.25 | |||||||||||||
1974 | 32.53 | a | 47.14 | 51.06 | 55.53 | 63.81 | 79.97 | 80.55 | 82.90 | 78.67 | 63.58 | 48.37 | 43.45 | 60.63 | ||||||||||||
1975 | 42.68 | 41.39 | 47.32 | 52.70 | 66.19 | 70.23 | 83.42 | 77.13 | a | 76.17 | 57.68 | 46.83 | 44.06 | 58.82 | ||||||||||||
1976 | 43.44 | d | 44.62 | 49.26 | 55.80 | 65.41 | i | 70.04 | b | 85.41 | n | 76.10 | 75.90 | 63.48 | 49.53 | 43.81 | 57.20 | b | ||||||||
1977 | 36.23 | 47.86 | 51.10 | 66.53 | 61.42 | 79.13 | 81.16 | 86.16 | 68.30 | 60.84 | 45.13 | 39.23 | 60.26 | |||||||||||||
1978 | 37.00 | 44.61 | 54.39 | 57.33 | 62.96 | e | 75.93 | 82.13 | 77.97 | 67.63 | 63.61 | 42.47 | 37.16 | 58.60 | ||||||||||||
1979 | 24.65 | 42.50 | 54.55 | 57.47 | 70.90 | a | 76.64 | b | 85.37 | a | 81.03 | a | 78.79 | b | 64.39 | 41.80 | 44.34 | b | 60.20 | |||||||
1980 | 33.41 | b | 40.48 | 49.94 | 61.52 | a | 66.90 | 69.74 | c | 84.16 | 78.43 | a | 76.69 | a | 63.16 | 48.93 | 47.58 | 60.08 | ||||||||
1981 | 39.23 | a | 45.64 | 54.00 | 60.36 | b | 64.80 | a | 71.39 | b | 81.24 | b | 87.41 | b | 76.27 | 61.71 | 50.37 | 40.55 | 61.08 | |||||||
1982 | 40.87 | 43.79 | 51.45 | 56.93 | 68.13 | a | 75.04 | d | 81.61 | 83.03 | b | 71.31 | a | 59.17 | a | 43.63 | 38.03 | 59.42 | ||||||||
1983 | 44.73 | a | 45.64 | 52.39 | 57.73 | 69.26 | 71.17 | 75.94 | 81.42 | 69.87 | 63.23 | a | 48.17 | 30.47 | a | 59.17 | ||||||||||
1984 | 43.61 | 46.45 | 54.13 | 54.27 | 62.84 | 70.00 | 85.06 | 82.65 | 71.10 | 55.81 | 44.97 | 37.40 | a | 59.02 | ||||||||||||
1985 | 33.14 | b | 44.39 | 51.65 | 63.55 | a | 67.42 | 76.27 | 89.87 | a | 80.45 | 66.27 | 60.29 | 35.47 | 26.57 | a | 57.94 | |||||||||
1986 | 41.32 | 44.29 | 56.65 | 57.63 | 68.70 | a | 79.90 | 77.29 | 87.61 | 66.93 | 65.84 | 52.73 | h | 39.67 | a | 62.35 | a | |||||||||
1987 | 40.03 | a | 45.57 | 52.28 | b | 66.82 | h | 73.54 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.61 | l | 46.07 | q | 45.96 | i | |
1988 | 39.41 | n | ----- | z | 52.65 | n | 63.47 | m | 70.24 | n | 68.53 | o | 89.39 | m | 86.00 | i | 77.68 | e | 72.83 | g | 50.33 | f | 43.97 | b | 60.82 | j |
1989 | 46.39 | 37.81 | b | 50.03 | 65.00 | 69.43 | h | 79.12 | f | 83.67 | j | 79.38 | g | 79.62 | i | 64.72 | f | 53.84 | e | 45.15 | e | 49.70 | f | |||
1990 | 45.50 | a | 46.36 | c | 56.57 | a | 67.39 | b | 65.60 | a | 74.19 | c | 88.22 | d | 85.55 | k | 84.95 | j | 63.52 | f | 53.71 | i | 36.78 | h | 63.40 | e |
1991 | 44.33 | j | 55.23 | f | 52.12 | e | 59.95 | h | 63.82 | i | 71.59 | h | 87.00 | c | 88.20 | f | ----- | z | ----- | z | ----- | z | ----- | z | 69.56 | j |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | 72.06 | 80.86 | a | 82.10 | 85.93 | b | 74.72 | a | 66.06 | 48.20 | 37.57 | a | 68.44 | d | ||||
1993 | 33.58 | 36.22 | a | 51.16 | 58.73 | 71.71 | 72.07 | 74.39 | 82.24 | b | 79.86 | b | 67.07 | c | 45.64 | b | 39.77 | 59.37 | ||||||||
1994 | 50.68 | 44.19 | a | 58.58 | 63.20 | 70.16 | 76.30 | 90.45 | 85.23 | 81.21 | b | 61.65 | h | 46.73 | 43.03 | 64.52 | a | |||||||||
1995 | 40.32 | 53.07 | a | 54.95 | i | 59.37 | 69.55 | 72.93 | 81.81 | 80.13 | 77.07 | c | 61.52 | 56.93 | 40.63 | a | 63.03 | a | ||||||||
1996 | 44.17 | a | 45.28 | 53.16 | 62.83 | 64.06 | 76.33 | 87.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.97 | e | ||||||
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.33 | i | 82.89 | l | 86.54 | e | 74.38 | f | ----- | z | ----- | z | 42.66 | b | 64.60 | j |
1998 | 42.16 | 45.81 | a | 53.70 | a | 58.52 | a | 62.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.45 | g | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.93 | 44.67 | 52.49 | 59.05 | 67.52 | 74.85 | 83.35 | 82.72 | 73.42 | 61.63 | 47.15 | 40.16 | 59.77 | |||||||||||||
S.D. | 5.59 | 3.28 | 2.73 | 4.10 | 3.42 | 3.65 | 4.02 | 3.52 | 4.50 | 2.98 | 4.64 | 4.65 | 0.89 | |||||||||||||
SKEW | -0.67 | -0.45 | 0.17 | 0.38 | -0.26 | 0.12 | -0.33 | -0.09 | 0.03 | 0.04 | -0.17 | -1.18 | -0.43 | |||||||||||||
MAX | 50.68 | 53.07 | 58.58 | 67.39 | 72.90 | 80.86 | 90.45 | 88.81 | 81.21 | 67.07 | 56.93 | 47.58 | 61.08 | |||||||||||||
MIN | 24.65 | 36.22 | 47.32 | 52.35 | 61.42 | 69.74 | 74.39 | 76.10 | 66.27 | 55.81 | 35.47 | 26.57 | 57.94 | |||||||||||||
YRS | 25 | 25 | 25 | 24 | 24 | 24 | 24 | 23 | 23 | 21 | 22 | 25 | 16 |