YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.80 | t | 34.53 | 34.53 | k | |
1960 | 26.84 | 30.32 | a | 44.93 | a | 51.28 | 59.08 | 72.71 | a | 75.82 | 74.56 | 67.88 | a | 51.65 | h | 45.13 | g | 28.13 | 53.16 | b | ||||||
1961 | 30.19 | 36.50 | 41.05 | 47.25 | f | ----- | z | 72.53 | a | 74.50 | 72.08 | l | 62.40 | a | 52.82 | 39.55 | 27.92 | a | 48.61 | c | ||||||
1962 | 24.83 | d | 36.48 | 36.54 | d | 53.07 | i | 53.76 | l | 66.85 | 73.45 | 74.31 | 67.41 | b | 55.79 | b | 46.15 | c | 34.68 | 51.65 | b | |||||
1963 | 26.10 | 37.83 | a | 41.02 | b | 50.14 | p | 62.00 | y | 68.05 | a | 77.10 | a | 69.08 | 68.15 | 57.73 | k | 41.96 | d | 35.14 | i | 53.66 | d | |||
1964 | 28.47 | 30.37 | b | 37.52 | a | 47.14 | b | 60.97 | a | 68.92 | 75.17 | a | 71.12 | b | 63.05 | h | 58.78 | a | ----- | z | 34.74 | b | 51.32 | b | ||
1965 | 34.48 | a | 32.75 | f | 43.95 | i | 48.22 | e | 58.85 | n | 64.83 | 72.66 | c | 71.70 | a | 62.53 | a | 57.60 | 46.85 | 35.32 | 54.91 | c | ||||
1966 | 29.24 | 31.06 | j | 44.50 | 50.96 | b | 63.82 | a | 69.59 | a | 75.81 | 73.00 | a | 64.95 | 54.50 | 46.95 | b | 32.03 | a | 55.03 | a | |||||
1967 | 28.98 | a | 37.23 | 46.02 | a | 47.38 | f | 59.57 | d | 66.59 | h | 72.40 | f | 70.53 | b | 63.95 | a | 56.44 | 46.48 | 25.72 | a | 48.32 | c | |||
1968 | 26.60 | a | 39.36 | 43.74 | 47.07 | b | 58.14 | b | 71.11 | g | 72.39 | h | 67.89 | h | 64.46 | f | 56.56 | g | 41.19 | a | 30.62 | b | 40.96 | e | ||
1969 | 37.35 | a | 36.41 | 37.98 | 51.36 | a | 61.55 | a | 68.16 | b | 74.15 | 73.87 | 67.83 | 50.15 | a | 40.09 | a | 37.27 | a | 53.01 | ||||||
1970 | 34.45 | a | 40.92 | c | 38.90 | 40.94 | n | 58.48 | b | 65.32 | 73.19 | 73.27 | 61.87 | 48.77 | 44.57 | a | 35.39 | 52.29 | a | |||||||
1971 | 33.34 | 36.27 | 43.56 | 48.97 | 55.85 | 69.90 | 76.61 | 71.34 | 62.67 | a | 49.21 | 40.28 | 29.67 | b | 51.47 | |||||||||||
1972 | 35.38 | a | 40.88 | 50.06 | 51.98 | 59.02 | 68.03 | 75.42 | 70.57 | a | 65.97 | 53.73 | a | 36.28 | 29.58 | a | 53.08 | |||||||||
1973 | 27.29 | 34.29 | 36.95 | 45.12 | 59.00 | 67.43 | 73.31 | 72.28 | a | 64.41 | b | 56.90 | a | 44.02 | 35.53 | 51.38 | ||||||||||
1974 | 30.13 | 35.00 | 47.32 | 49.02 | 61.48 | 73.80 | b | 71.81 | 70.97 | 64.50 | a | 54.97 | 42.22 | 30.92 | 52.68 | |||||||||||
1975 | 30.02 | 34.62 | 40.71 | 45.12 | 53.77 | a | 66.17 | 71.79 | 71.77 | 62.90 | 54.66 | 41.52 | 31.24 | 50.36 | ||||||||||||
1976 | 32.27 | 40.90 | 40.05 | 49.07 | 59.84 | 68.45 | a | 72.18 | 70.48 | 63.88 | a | 50.89 | 42.17 | 33.69 | 51.99 | |||||||||||
1977 | 27.04 | d | 36.68 | 38.60 | 51.90 | 56.30 | a | 71.37 | 72.63 | 72.77 | 66.92 | 57.16 | 44.12 | 40.82 | 53.02 | |||||||||||
1978 | 34.15 | 34.82 | 45.27 | 50.17 | 55.94 | 71.95 | 75.53 | 72.48 | 65.27 | 57.60 | 43.05 | a | 27.97 | 52.85 | ||||||||||||
1979 | 26.05 | 33.17 | a | 39.89 | 50.02 | 56.07 | b | 67.68 | 74.20 | a | 70.23 | 69.12 | 58.08 | 36.67 | a | 34.50 | 51.31 | |||||||||
1980 | 33.27 | 39.45 | 40.13 | 51.50 | u | 55.08 | 71.57 | 74.60 | 72.27 | 66.52 | 52.95 | 43.55 | 41.37 | 53.71 | a | |||||||||||
1981 | 37.71 | 38.77 | 40.08 | 54.10 | 58.23 | 72.64 | b | 73.66 | 71.58 | 66.67 | 54.30 | a | 45.97 | 39.19 | 54.41 | |||||||||||
1982 | 35.94 | v | 33.14 | 41.83 | a | 49.22 | 56.65 | a | 66.00 | a | 71.60 | b | 70.34 | 65.07 | c | 50.86 | b | 39.67 | 32.11 | 52.41 | a | |||||
1983 | 32.47 | a | 36.58 | b | 40.28 | a | 44.30 | b | 54.08 | a | 65.31 | a | 71.97 | 70.98 | 67.81 | a | 54.52 | a | 41.14 | b | 36.36 | c | 51.32 | |||
1984 | 30.58 | 34.81 | k | 41.93 | b | 46.07 | b | 64.00 | 67.12 | 72.27 | a | 70.50 | a | 65.95 | b | 48.23 | a | 42.43 | c | 33.79 | 52.99 | a | ||||
1985 | 25.10 | 24.79 | b | ----- | z | 60.94 | v | 61.08 | 70.72 | a | 73.45 | b | 73.16 | 60.41 | a | 53.72 | a | 41.11 | b | 36.03 | 51.96 | b | ||||
1986 | 40.53 | 31.62 | p | 46.44 | e | 50.43 | b | 60.12 | e | 68.11 | k | 71.32 | 73.93 | a | 62.50 | b | 51.21 | 41.62 | a | 34.73 | e | 53.28 | b | |||
1987 | 31.88 | c | 34.93 | f | 39.89 | c | 50.74 | a | 56.88 | e | 69.95 | b | 73.23 | 70.55 | b | 63.05 | h | 57.43 | a | 39.70 | 31.16 | f | 54.47 | c | ||
1988 | 28.69 | 37.65 | i | 41.95 | c | 49.06 | f | 60.82 | f | 70.52 | b | 74.12 | c | 69.96 | e | 63.16 | a | 59.25 | a | 41.82 | b | 32.32 | 53.53 | c | ||
1989 | 30.85 | 38.06 | c | 49.66 | c | 58.84 | a | 61.35 | a | 70.37 | 75.60 | 71.56 | 66.33 | 52.69 | b | 43.30 | 33.59 | c | 54.35 | |||||||
1990 | 33.78 | b | 34.61 | a | 45.08 | a | 52.66 | b | 60.55 | b | 70.60 | a | 73.35 | 69.19 | d | 65.76 | i | 55.82 | a | 42.10 | d | 26.65 | e | 51.31 | a | |
1991 | 29.52 | c | 39.60 | b | 40.39 | c | 50.84 | a | 60.69 | e | 67.50 | 73.48 | a | 72.57 | a | 65.74 | a | 58.45 | c | 40.96 | e | 26.85 | e | 52.22 | ||
1992 | 23.92 | 36.43 | a | 44.71 | c | 56.73 | d | 58.98 | 66.72 | 71.12 | b | 69.90 | 66.71 | a | 57.34 | 35.75 | b | 27.97 | 51.36 | |||||||
1993 | 35.41 | b | 37.21 | d | 43.82 | c | 51.26 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.93 | h |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.82 | 36.10 | 42.21 | 50.10 | 58.81 | 69.03 | 73.71 | 71.64 | 65.15 | 54.49 | 42.04 | 32.85 | 52.32 | |||||||||||||
S.D. | 4.08 | 3.56 | 3.50 | 3.35 | 2.69 | 2.49 | 1.61 | 1.48 | 2.22 | 3.17 | 2.88 | 4.05 | 1.16 | |||||||||||||
SKEW | 0.33 | -1.18 | 0.46 | 0.53 | -0.06 | 0.12 | 0.28 | 0.28 | -0.21 | -0.40 | -0.23 | 0.13 | 0.32 | |||||||||||||
MAX | 40.53 | 40.92 | 50.06 | 58.84 | 64.00 | 73.80 | 77.10 | 74.56 | 69.12 | 59.25 | 46.95 | 41.37 | 54.41 | |||||||||||||
MIN | 23.92 | 24.79 | 36.54 | 44.30 | 53.77 | 64.83 | 71.12 | 69.08 | 60.41 | 48.23 | 35.75 | 25.72 | 50.36 | |||||||||||||
YRS | 33 | 28 | 32 | 26 | 28 | 30 | 31 | 31 | 29 | 30 | 31 | 32 | 15 |