YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1964 | ----- | z | ----- | z | ----- | z | 47.83 | 51.60 | a | 58.52 | a | 64.78 | b | 63.69 | 59.15 | 54.50 | 42.69 | a | 39.85 | 53.62 | c | |||||
1965 | 40.35 | 43.82 | 45.45 | a | 50.38 | 52.17 | a | 58.41 | a | 66.08 | 65.48 | 58.28 | 56.10 | 48.40 | a | 38.80 | a | 51.98 | ||||||||
1966 | 40.55 | 41.02 | 45.52 | 51.27 | 54.26 | 60.03 | 63.69 | 64.03 | 62.60 | 52.95 | 46.10 | a | 43.26 | 52.11 | ||||||||||||
1967 | 42.98 | a | 43.91 | 43.90 | 45.03 | 54.73 | 62.83 | 66.16 | 69.52 | 63.77 | 53.74 | 46.42 | 40.68 | 52.81 | ||||||||||||
1968 | 40.72 | a | 47.22 | 48.48 | 48.32 | 54.66 | 60.33 | 65.94 | 64.24 | 61.05 | 51.76 | 46.77 | 38.94 | 52.37 | ||||||||||||
1969 | 35.60 | 38.84 | 45.47 | 48.70 | 58.18 | 62.53 | 62.62 | a | 62.31 | 60.47 | 49.94 | 44.57 | 41.79 | 50.92 | ||||||||||||
1970 | 42.40 | 44.89 | 46.19 | 45.73 | 54.35 | a | 62.32 | 65.34 | 63.90 | 57.18 | 50.60 | 44.83 | 38.98 | 51.39 | ||||||||||||
1971 | 39.18 | 41.45 | 42.03 | 47.25 | 55.05 | 57.48 | 64.82 | 66.18 | 57.45 | 49.35 | 43.83 | 38.73 | 50.23 | |||||||||||||
1972 | 37.91 | b | 43.28 | 49.02 | 46.07 | 56.15 | 60.00 | 66.94 | 66.47 | 57.18 | 50.40 | 46.53 | 36.28 | b | 51.35 | |||||||||||
1973 | 37.89 | 44.66 | 44.79 | 49.92 | 56.26 | 60.64 | a | 65.11 | 63.11 | 61.50 | 52.95 | 43.70 | 43.29 | 51.98 | ||||||||||||
1974 | 36.82 | 41.50 | 46.26 | 49.62 | 53.52 | 61.53 | 64.71 | 66.02 | 64.07 | 52.23 | 46.62 | 43.12 | b | 52.17 | ||||||||||||
1975 | 43.52 | 42.43 | 43.84 | 45.52 | 55.02 | 59.33 | 65.98 | 62.95 | 62.67 | 52.34 | 44.19 | a | 42.50 | a | 51.69 | |||||||||||
1976 | 41.84 | 40.76 | 44.55 | 48.08 | 54.40 | 56.92 | 64.26 | 64.40 | 62.43 | 53.58 | 47.60 | 38.34 | 51.43 | |||||||||||||
1977 | 38.26 | 45.23 | 44.37 | 51.00 | 52.15 | 61.92 | 63.31 | 69.79 | 59.17 | 52.79 | 44.33 | 43.53 | 52.15 | |||||||||||||
1978 | 43.26 | 45.61 | 49.11 | 48.63 | 52.85 | 61.30 | b | 65.73 | 65.56 | 59.57 | 53.29 | 40.40 | 36.16 | 51.79 | ||||||||||||
1979 | 32.05 | 42.09 | 48.87 | 50.55 | 55.60 | 59.45 | 66.45 | 65.16 | 62.87 | 56.18 | 43.62 | 43.55 | 52.20 | |||||||||||||
1980 | 35.98 | 43.71 | 45.63 | 51.33 | 53.90 | 57.00 | a | 65.69 | 63.21 | 61.38 | a | 53.81 | 47.71 | a | 43.19 | 51.88 | ||||||||||
1981 | 42.02 | 44.62 | 47.00 | a | 51.32 | 54.45 | 59.75 | 64.44 | 67.84 | 61.13 | 51.29 | 46.08 | 43.35 | 52.77 | ||||||||||||
1982 | 38.19 | 42.57 | 45.31 | 46.70 | 55.35 | 62.00 | 64.13 | 66.11 | 61.10 | a | 53.03 | 42.42 | 39.45 | a | 51.36 | |||||||||||
1983 | 43.24 | 45.46 | 48.48 | 50.12 | 56.38 | a | 59.33 | 63.02 | 64.94 | 58.67 | 53.05 | a | 47.12 | 37.27 | a | 52.26 | ||||||||||
1984 | 41.65 | 44.73 | a | 49.54 | c | 48.80 | 54.23 | 58.28 | 65.34 | 65.48 | 60.05 | 50.94 | 44.35 | 37.50 | 51.74 | |||||||||||
1985 | 35.27 | 41.04 | 43.32 | a | 52.92 | 55.19 | 61.22 | 68.94 | 65.08 | 58.23 | 51.27 | 38.88 | a | 32.69 | 50.34 | |||||||||||
1986 | 44.05 | a | 44.36 | 50.79 | 49.22 | a | 55.38 | a | 63.35 | 63.13 | a | 69.39 | 58.14 | a | 55.24 | 46.50 | a | 40.79 | 53.36 | |||||||
1987 | 39.85 | a | 44.39 | a | 47.77 | 54.17 | 60.25 | i | 62.95 | 63.89 | 66.79 | 62.46 | b | 55.02 | 47.47 | a | 39.10 | 53.08 | a | |||||||
1988 | 39.77 | 44.71 | 46.79 | 51.95 | 54.50 | 60.27 | 66.42 | a | 65.70 | a | 63.17 | 58.24 | 46.84 | a | 40.50 | a | 53.24 | |||||||||
1989 | 42.24 | b | 36.79 | d | 46.56 | 55.47 | a | 56.14 | b | 62.31 | a | 64.47 | 65.60 | a | 63.41 | a | 53.10 | 47.02 | 40.45 | b | 52.80 | |||||
1990 | 43.23 | a | 40.37 | a | 48.77 | a | 53.95 | 54.85 | 61.59 | a | ----- | z | ----- | z | ----- | z | 51.84 | b | 46.22 | 34.02 | a | 48.32 | c | |||
1991 | 38.39 | 48.73 | b | 43.90 | 48.98 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.00 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.90 | 43.27 | 46.36 | 49.60 | 54.67 | 60.43 | 65.05 | 65.50 | 60.66 | 52.95 | 45.23 | 39.86 | 51.93 | |||||||||||||
S.D. | 3.04 | 2.55 | 2.22 | 2.67 | 1.45 | 1.86 | 1.41 | 1.98 | 2.18 | 2.05 | 2.29 | 2.97 | 0.79 | |||||||||||||
SKEW | -0.65 | -0.38 | 0.12 | 0.26 | -0.11 | -0.30 | 0.49 | 0.67 | -0.13 | 0.53 | -1.04 | -0.57 | -0.31 | |||||||||||||
MAX | 44.05 | 48.73 | 50.79 | 55.47 | 58.18 | 63.35 | 68.94 | 69.79 | 64.07 | 58.24 | 48.40 | 43.55 | 53.36 | |||||||||||||
MIN | 32.05 | 36.79 | 42.03 | 45.03 | 51.60 | 56.92 | 62.62 | 62.31 | 57.18 | 49.35 | 38.88 | 32.69 | 50.23 | |||||||||||||
YRS | 27 | 27 | 27 | 28 | 26 | 27 | 26 | 26 | 26 | 27 | 27 | 27 | 24 |