YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | 55.45 | 69.23 | 72.21 | 69.76 | 59.62 | 50.37 | 38.60 | 27.37 | 55.33 | d | ||||||||
1962 | 25.92 | a | 35.54 | a | 35.34 | 50.09 | a | 49.86 | i | 62.80 | 70.58 | 70.26 | 63.88 | 52.57 | a | 45.33 | 33.44 | 49.61 | a | |||||||
1963 | 24.76 | 36.00 | a | 39.37 | 46.05 | 58.90 | 62.93 | 73.19 | 69.27 | 65.23 | 55.97 | 42.25 | 29.85 | 50.32 | ||||||||||||
1964 | 25.85 | 26.36 | 32.92 | 43.72 | a | 56.26 | 62.88 | 73.11 | 70.33 | h | 61.13 | 53.06 | 37.78 | a | 31.61 | 45.88 | a | |||||||||
1965 | 31.81 | 30.06 | a | 36.21 | 44.68 | 52.15 | 59.62 | 69.95 | 67.56 | 59.41 | a | 52.89 | 43.04 | b | 35.62 | b | 48.58 | |||||||||
1966 | 27.74 | 29.35 | a | 41.75 | a | 48.02 | 57.92 | g | 66.84 | a | 73.21 | 70.24 | 62.90 | 51.89 | 43.07 | 29.37 | 49.49 | a | ||||||||
1967 | 25.81 | 35.27 | 44.03 | 45.98 | a | 53.65 | 62.90 | a | 72.34 | 68.10 | 62.95 | 50.97 | 41.18 | 23.84 | 48.92 | |||||||||||
1968 | 25.47 | 39.05 | 40.55 | 45.57 | b | 53.87 | a | 63.82 | b | 69.58 | 65.60 | 60.70 | 51.58 | 38.27 | 27.98 | 48.50 | ||||||||||
1969 | 35.21 | 34.61 | 35.28 | a | 49.27 | 57.34 | 63.22 | 73.79 | 77.81 | 65.52 | a | 49.34 | c | 37.83 | 35.21 | 51.20 | ||||||||||
1970 | 30.10 | 37.36 | 36.73 | 39.82 | 55.19 | 64.65 | 73.02 | 72.03 | 60.60 | 46.98 | 40.20 | 32.53 | 49.10 | |||||||||||||
1971 | 29.16 | 31.50 | 39.08 | 45.53 | 53.62 | b | 66.06 | c | 72.53 | 70.52 | 60.85 | 48.28 | a | 38.82 | 29.15 | 48.76 | ||||||||||
1972 | 30.08 | a | 35.00 | 43.97 | 47.77 | 53.90 | 64.18 | 73.16 | 68.23 | a | 62.52 | a | 53.25 | a | 35.31 | d | 29.21 | 49.72 | ||||||||
1973 | 25.82 | a | 34.77 | 36.05 | a | 42.62 | 55.71 | 62.28 | a | 70.21 | 69.40 | 61.03 | 50.71 | 39.74 | a | 30.56 | 48.24 | |||||||||
1974 | 30.98 | 31.14 | 41.94 | 44.02 | 56.39 | 67.97 | 69.60 | 67.31 | 59.93 | 52.97 | 38.23 | 28.13 | 49.05 | |||||||||||||
1975 | 28.34 | 32.18 | 41.15 | n | 42.02 | 51.93 | a | 61.28 | 69.47 | 68.13 | a | 60.23 | 49.69 | 36.28 | 29.05 | 48.06 | a | |||||||||
1976 | 30.13 | 39.76 | 37.72 | b | 46.20 | 55.60 | 63.32 | 70.50 | 68.12 | b | 62.00 | 46.37 | a | 37.87 | 29.65 | 48.94 | ||||||||||
1977 | 23.60 | 34.15 | b | 37.28 | a | 47.10 | 52.82 | 66.28 | 70.97 | 70.62 | a | 64.28 | 52.97 | 40.52 | a | 35.76 | 49.70 | |||||||||
1978 | 33.63 | 34.31 | a | 43.76 | 49.12 | 53.48 | 65.47 | 71.29 | 68.55 | 63.78 | a | 54.21 | 42.09 | a | 28.61 | i | 52.70 | a | ||||||||
1979 | 26.69 | 33.43 | 38.73 | 47.53 | 54.98 | a | 63.65 | 70.40 | 67.85 | 65.92 | 53.68 | 35.30 | 33.08 | 49.27 | ||||||||||||
1980 | 33.98 | 37.21 | a | 38.44 | 46.25 | 53.11 | d | 67.54 | f | 72.37 | 69.21 | 63.08 | 51.42 | e | 34.00 | t | 37.98 | 50.31 | b | |||||||
1981 | 35.65 | 35.59 | 39.65 | 51.68 | 55.48 | 67.72 | 72.74 | 70.55 | 63.50 | 50.27 | 42.05 | 34.74 | 51.63 | |||||||||||||
1982 | 28.66 | 34.79 | 41.33 | b | 47.45 | a | 52.34 | c | 61.93 | h | ----- | z | 69.18 | 62.97 | 47.15 | 38.04 | b | 30.27 | 45.22 | b | ||||||
1983 | 32.21 | b | 35.74 | a | 40.15 | 42.46 | b | 52.69 | 60.13 | 67.98 | 67.45 | 62.58 | e | 50.24 | 36.28 | a | 32.75 | a | 48.39 | |||||||
1984 | 28.57 | a | 28.60 | 36.79 | c | 42.46 | b | 57.05 | 62.45 | 69.32 | 66.78 | b | 61.55 | 43.63 | 37.27 | b | 31.78 | f | 48.59 | a | ||||||
1985 | 28.61 | c | 29.21 | 39.18 | c | 47.25 | 54.25 | a | 64.15 | 69.70 | h | 66.64 | f | 57.50 | a | 49.40 | a | 36.58 | d | 30.57 | b | 43.67 | b | |||
1986 | 33.53 | 32.62 | d | 41.00 | b | 46.12 | a | 52.79 | 62.91 | b | 66.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.94 | e | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.29 | 33.74 | 39.05 | 45.95 | 54.54 | 64.03 | 71.17 | 69.24 | 62.15 | 50.79 | 39.25 | 31.21 | 49.35 | |||||||||||||
S.D. | 3.42 | 3.31 | 2.94 | 2.78 | 1.83 | 2.39 | 1.87 | 2.38 | 2.07 | 2.80 | 2.70 | 3.29 | 1.01 | |||||||||||||
SKEW | 0.27 | -0.36 | -0.01 | -0.16 | 0.52 | 0.37 | -0.56 | 1.96 | -0.10 | -0.61 | 0.46 | 0.08 | 1.12 | |||||||||||||
MAX | 35.65 | 39.76 | 44.03 | 51.68 | 58.90 | 69.23 | 73.79 | 77.81 | 65.92 | 55.97 | 45.33 | 37.98 | 51.63 | |||||||||||||
MIN | 23.60 | 26.36 | 32.92 | 39.82 | 51.93 | 59.62 | 66.63 | 65.60 | 57.50 | 43.63 | 35.30 | 23.84 | 48.24 | |||||||||||||
YRS | 25 | 25 | 24 | 25 | 24 | 24 | 24 | 23 | 25 | 25 | 24 | 23 | 15 |