YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1969 | 43.23 | 39.34 | 46.15 | 56.09 | a | 66.82 | a | 70.12 | 79.11 | 81.20 | a | 75.45 | h | 56.32 | a | 49.88 | a | 41.52 | 57.25 | a | ||||||
1970 | 37.27 | 46.36 | 49.03 | b | 51.16 | a | 66.65 | 73.57 | c | 80.80 | i | 80.62 | c | 68.88 | 56.15 | d | 48.76 | a | 37.56 | 56.00 | a | |||||
1971 | 42.20 | a | 44.65 | a | 47.50 | e | 52.62 | a | 57.74 | 72.33 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.84 | f | ||
1972 | 39.02 | a | 45.72 | 56.00 | a | 56.55 | a | 64.20 | a | 73.70 | 83.34 | 78.26 | 67.57 | a | 55.50 | 45.75 | 35.83 | h | 60.51 | a | ||||||
1973 | 33.79 | 42.88 | 43.79 | 55.70 | 68.66 | c | 75.33 | 80.15 | 77.24 | 69.58 | 60.80 | a | 45.10 | 40.39 | 57.78 | |||||||||||
1974 | 34.45 | 41.69 | a | 49.68 | 55.20 | 67.00 | 76.81 | a | 79.08 | 74.90 | 73.54 | d | 59.94 | 48.10 | 39.87 | 58.35 | ||||||||||
1975 | 42.05 | 42.52 | 45.84 | 46.95 | 63.32 | 72.20 | b | 78.47 | a | 74.76 | 68.31 | a | 54.39 | 42.83 | 45.44 | 56.42 | ||||||||||
1976 | 43.65 | a | 42.53 | 45.17 | a | 49.92 | 65.76 | 69.93 | 79.87 | e | 72.26 | d | 65.68 | m | 59.20 | c | 51.59 | c | 41.53 | 56.49 | a | |||||
1977 | 39.68 | 47.80 | 45.74 | 57.63 | 55.85 | g | 74.98 | a | 79.98 | c | 74.83 | d | 69.72 | 62.42 | 52.27 | 44.89 | 59.09 | a | ||||||||
1978 | 40.79 | 42.57 | 49.81 | 50.47 | 62.61 | 72.68 | 77.18 | 77.68 | 66.35 | 62.69 | 43.45 | 36.93 | a | 56.93 | ||||||||||||
1979 | 36.05 | 40.11 | 47.63 | 54.78 | 66.72 | a | 76.03 | a | 80.10 | 75.02 | a | 76.10 | ----- | z | 44.67 | 43.23 | 58.22 | a | ||||||||
1980 | ----- | z | 44.97 | ----- | z | 55.68 | 58.27 | a | 68.75 | 80.15 | 77.53 | 72.43 | i | 62.16 | 50.52 | 48.54 | e | 60.73 | c | |||||||
1981 | 43.75 | a | 45.43 | a | 46.40 | 56.60 | 64.24 | d | 77.90 | 79.23 | 80.26 | b | 72.40 | 56.50 | 50.47 | 43.13 | a | 59.69 | ||||||||
1982 | 39.11 | c | 44.14 | 44.75 | a | 52.65 | 64.42 | a | 70.12 | 77.10 | 76.97 | 69.47 | 57.35 | 44.02 | 41.12 | b | 56.77 | |||||||||
1983 | 43.70 | a | 44.29 | 46.53 | 49.22 | 63.69 | 71.77 | 76.11 | 76.60 | 74.05 | a | 60.73 | a | 47.47 | 40.79 | 57.91 | ||||||||||
1984 | 44.60 | a | 44.86 | a | 50.85 | 54.88 | 72.31 | d | 72.41 | a | 78.75 | a | 76.37 | a | 72.93 | c | 52.54 | c | 44.76 | c | 31.77 | r | 60.48 | a | ||
1985 | 38.75 | m | 41.27 | b | 45.85 | d | 60.37 | c | 63.81 | m | 78.03 | k | 80.04 | q | 76.63 | e | 63.65 | c | 59.05 | k | 41.96 | e | 43.60 | k | 54.96 | f |
1986 | 45.60 | j | 42.77 | f | 51.67 | g | 52.28 | g | 67.44 | g | 77.35 | d | 78.52 | h | 81.52 | a | 59.71 | m | 56.55 | 49.63 | 36.06 | 60.22 | g | |||
1987 | 35.37 | a | 43.20 | 43.89 | l | 61.87 | 65.46 | c | 77.84 | e | 77.65 | 80.53 | 73.13 | 63.21 | 42.83 | d | 29.93 | d | 59.18 | a | ||||||
1988 | 36.59 | i | 43.90 | 47.76 | 52.88 | b | 64.52 | h | ----- | z | 78.80 | d | 77.58 | a | 71.32 | 67.50 | a | 48.31 | a | 40.19 | 58.69 | c | ||||
1989 | 39.74 | 41.86 | 52.94 | 64.02 | a | 64.87 | a | 74.48 | 81.43 | a | 75.35 | 70.50 | 58.25 | a | 51.41 | a | 43.90 | 59.90 | ||||||||
1990 | 39.15 | 41.91 | 51.23 | 59.76 | a | 63.65 | 75.23 | 80.77 | 77.60 | a | 72.43 | 62.94 | 50.28 | a | 35.73 | c | 59.22 | |||||||||
1991 | 40.66 | 50.77 | 43.98 | a | 55.43 | a | 61.79 | 71.17 | 80.66 | 78.21 | 74.33 | 65.55 | 50.76 | c | 42.52 | a | 59.65 | |||||||||
1992 | 41.82 | 46.60 | 48.98 | 61.29 | a | 69.15 | 72.60 | 77.81 | 80.15 | 73.73 | 63.81 | 47.08 | 37.11 | 60.01 | ||||||||||||
1993 | 38.24 | 41.25 | 52.67 | a | 58.07 | a | 65.87 | a | 72.12 | 77.13 | 77.88 | a | 72.00 | a | 61.74 | 46.98 | a | ----- | z | 60.36 | a | |||||
1994 | 45.06 | 41.06 | a | 55.03 | 58.83 | 65.82 | a | 78.05 | 82.92 | 81.82 | 72.00 | 59.08 | 42.28 | 40.98 | 60.25 | |||||||||||
1995 | 39.87 | 52.08 | b | 48.28 | a | 54.62 | 60.31 | 70.12 | a | 79.60 | a | 79.90 | 74.19 | a | 62.72 | a | 54.95 | 43.35 | 60.00 | |||||||
1996 | 44.21 | 47.98 | a | 52.60 | b | 59.62 | d | 66.55 | a | 76.52 | a | 83.30 | a | 81.76 | 71.32 | 59.30 | a | 50.18 | 43.55 | b | 61.41 | |||||
1997 | 44.15 | d | 45.62 | 55.26 | 57.55 | a | 71.66 | 73.32 | b | 78.93 | a | 79.78 | a | 73.68 | 60.50 | b | 49.52 | a | 39.64 | b | 60.80 | |||||
1998 | 42.30 | a | 40.34 | 48.59 | b | 51.42 | 56.53 | 68.11 | b | 80.97 | a | ----- | z | 70.65 | 58.48 | 47.74 | e | 42.52 | 55.24 | a | ||||||
1999 | 44.87 | a | 44.72 | e | 48.98 | b | 51.11 | b | 64.68 | 74.19 | a | 78.42 | 77.18 | 74.79 | a | 65.45 | 53.98 | 44.44 | 60.23 | |||||||
2000 | 44.47 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.47 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.83 | 44.08 | 48.82 | 55.43 | 64.77 | 73.44 | 79.52 | 77.94 | 71.41 | 60.06 | 47.92 | 40.96 | 59.08 | |||||||||||||
S.D. | 3.31 | 3.00 | 3.43 | 4.08 | 3.72 | 2.83 | 1.86 | 2.46 | 2.88 | 3.62 | 3.53 | 3.80 | 1.52 | |||||||||||||
SKEW | -0.57 | 0.81 | 0.55 | 0.02 | -0.28 | 0.00 | 0.42 | -0.15 | -0.79 | -0.03 | -0.05 | -0.78 | -0.43 | |||||||||||||
MAX | 45.06 | 52.08 | 56.00 | 64.02 | 72.31 | 78.05 | 83.34 | 81.82 | 76.10 | 67.50 | 54.95 | 48.54 | 61.41 | |||||||||||||
MIN | 33.79 | 39.34 | 43.79 | 46.95 | 56.53 | 68.11 | 76.11 | 72.26 | 63.65 | 52.54 | 41.96 | 29.93 | 56.42 | |||||||||||||
YRS | 28 | 30 | 28 | 30 | 27 | 29 | 27 | 29 | 26 | 28 | 30 | 26 | 16 |