YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.77 | 45.16 | 42.46 | j | ||
1956 | 41.77 | 37.38 | 42.32 | 47.50 | 52.39 | 57.77 | 59.45 | 57.65 | 58.17 | 51.65 | 44.87 | 36.45 | 48.95 | |||||||||||||
1957 | 36.48 | 45.11 | 46.58 | 48.27 | 51.23 | 60.13 | 60.23 | 59.35 | 58.93 | 53.68 | 43.36 | b | 39.58 | 50.24 | ||||||||||||
1958 | 37.93 | a | 47.86 | 43.13 | 47.80 | 53.81 | 56.77 | 59.77 | 63.35 | 58.97 | 54.47 | a | 45.57 | 42.84 | 51.02 | |||||||||||
1959 | 42.57 | a | 41.41 | a | 46.87 | 48.83 | a | 49.00 | 56.69 | a | 61.97 | 58.74 | 55.57 | 53.97 | 42.79 | a | 37.65 | 49.67 | ||||||||
1960 | 38.07 | b | 41.32 | a | 46.70 | a | 47.23 | 50.90 | 59.62 | a | 62.68 | 58.13 | 56.70 | 50.23 | 44.03 | 38.52 | 49.51 | |||||||||
1961 | 35.81 | 43.25 | 43.29 | 47.63 | 48.61 | 59.80 | 62.67 | a | 62.52 | 56.43 | 53.00 | b | 42.13 | 37.42 | 49.38 | |||||||||||
1962 | 33.23 | 39.85 | a | 41.61 | 49.10 | 49.42 | 55.97 | 58.17 | a | 58.71 | 55.53 | 50.81 | 45.07 | 37.81 | 47.94 | |||||||||||
1963 | 31.74 | 47.00 | 43.16 | 44.40 | 51.29 | 55.47 | 58.61 | 59.77 | 60.07 | a | 53.13 | 43.13 | 35.10 | 48.57 | ||||||||||||
1964 | 35.74 | 38.10 | 39.97 | 43.73 | 47.61 | 55.03 | 59.68 | 59.10 | 54.43 | 53.77 | 41.60 | 43.57 | a | 47.70 | ||||||||||||
1965 | 38.52 | 39.64 | 43.81 | 47.90 | 50.23 | 52.97 | 58.23 | 61.55 | 53.60 | 54.90 | 47.17 | 34.84 | 48.61 | |||||||||||||
1966 | 37.48 | 38.07 | 43.48 | 49.67 | 51.71 | 57.57 | 57.19 | 61.10 | 56.53 | 51.58 | 46.37 | 40.00 | 49.23 | |||||||||||||
1967 | 37.39 | 38.75 | 42.90 | 41.87 | 51.52 | 54.57 | 63.13 | 62.77 | 59.90 | 53.26 | 49.23 | 35.45 | 49.23 | |||||||||||||
1968 | 35.97 | 46.07 | 44.77 | 45.73 | 49.81 | 58.40 | 60.19 | 58.45 | 56.73 | 51.74 | 44.57 | 36.48 | 49.08 | |||||||||||||
1969 | 37.42 | 39.43 | 42.16 | 45.53 | 51.42 | 55.07 | a | 60.32 | 61.26 | 59.03 | 50.10 | 46.20 | 40.84 | 49.07 | ||||||||||||
1970 | 42.65 | 42.21 | 44.48 | 41.93 | 52.16 | 55.70 | 60.45 | 56.42 | 56.27 | 48.87 | 46.37 | 38.23 | 48.81 | |||||||||||||
1971 | 35.97 | a | 36.46 | 40.00 | 42.33 | 46.81 | 52.77 | 59.16 | 62.23 | 57.90 | 48.65 | 42.43 | 35.42 | 46.68 | ||||||||||||
1972 | 33.84 | 42.10 | 46.26 | 45.70 | 51.45 | 55.90 | 59.84 | 59.90 | 55.67 | 51.35 | 42.43 | 32.45 | 48.08 | |||||||||||||
1973 | 37.00 | 44.19 | a | 40.55 | 47.52 | a | 53.48 | 59.23 | 59.13 | 56.87 | 54.90 | 50.45 | 43.63 | 40.13 | 48.92 | |||||||||||
1974 | 38.63 | a | 39.43 | 44.84 | 44.97 | 49.29 | 57.30 | 60.42 | 59.39 | c | 56.63 | 55.06 | 43.29 | b | 37.90 | 48.93 | ||||||||||
1975 | 33.35 | 40.12 | b | 41.61 | 40.97 | 50.35 | 53.87 | 57.68 | 58.39 | 57.63 | 48.60 | a | 40.00 | a | 37.68 | 46.69 | ||||||||||
1976 | 37.35 | 40.86 | 41.65 | 42.60 | 51.19 | 54.31 | a | 58.29 | 58.32 | 58.67 | 54.81 | 48.90 | 39.00 | 48.83 | ||||||||||||
1977 | 36.65 | 41.96 | 39.26 | 49.13 | 46.90 | j | 59.57 | 60.35 | 61.13 | 57.90 | 53.23 | 44.47 | 43.71 | 49.76 | a | |||||||||||
1978 | 44.97 | 44.75 | 50.03 | 47.30 | 52.77 | 55.47 | 60.74 | 61.81 | 57.67 | 55.37 | a | 43.80 | 35.52 | 50.85 | ||||||||||||
1979 | 38.52 | 40.43 | 45.77 | 46.67 | 52.74 | 57.07 | 60.87 | 59.19 | 60.27 | 53.61 | 45.53 | 41.26 | 50.16 | |||||||||||||
1980 | 42.84 | 46.31 | 42.71 | 47.87 | 49.61 | 52.73 | 60.68 | 56.87 | a | 56.83 | 54.84 | 46.73 | 40.16 | 49.85 | ||||||||||||
1981 | 41.84 | 43.43 | 44.48 | 46.93 | 52.29 | 61.50 | 59.68 | 59.06 | 58.10 | 50.29 | 49.63 | 44.16 | 50.95 | |||||||||||||
1982 | 36.55 | 41.64 | 44.52 | 45.66 | a | 50.35 | 53.52 | a | 58.87 | 59.65 | 58.47 | 53.42 | 43.03 | 39.19 | 48.74 | |||||||||||
1983 | 38.20 | a | 45.61 | 46.58 | 46.27 | 50.90 | 56.37 | 58.65 | 62.16 | ----- | z | 55.90 | a | 46.00 | 44.34 | b | 50.09 | a | ||||||||
1984 | 40.03 | 40.97 | 45.67 | a | 45.31 | a | 54.13 | 56.62 | a | 65.13 | a | 61.40 | a | 61.03 | 49.68 | 44.87 | 38.77 | 50.30 | ||||||||
1985 | 35.90 | a | 40.19 | b | 40.90 | a | 49.30 | 50.03 | 60.30 | 63.19 | 55.63 | a | 56.50 | 51.35 | 42.11 | b | 34.47 | a | 48.32 | |||||||
1986 | 43.03 | b | 45.82 | 49.10 | 48.41 | a | ----- | z | 57.72 | a | 60.29 | ----- | z | 53.70 | 53.63 | a | 46.77 | 40.10 | 49.86 | b | ||||||
1987 | 38.10 | b | 42.00 | c | 43.71 | c | 50.93 | c | 55.94 | 56.37 | 56.27 | a | ----- | z | 57.87 | 58.19 | 47.52 | a | ----- | z | 50.69 | b | ||||
1988 | 40.19 | 43.16 | d | 46.22 | d | 49.56 | c | 50.62 | e | 56.92 | d | 65.19 | 60.58 | 57.43 | 53.11 | d | 46.90 | 39.26 | 50.76 | |||||||
1989 | 34.61 | 37.39 | 47.58 | 51.83 | 53.54 | g | 58.00 | 60.48 | 58.81 | 55.97 | a | 52.29 | 45.93 | 37.54 | c | 49.13 | a | |||||||||
1990 | 38.60 | a | 37.68 | 45.87 | a | 50.70 | 52.58 | 57.47 | 62.16 | 61.80 | a | 59.14 | b | 54.23 | 42.34 | a | 33.73 | a | 49.69 | |||||||
1991 | 37.40 | a | 43.96 | d | 41.45 | 45.07 | a | 48.77 | 56.11 | b | 61.16 | 58.39 | 59.77 | 57.00 | 47.73 | 38.55 | 49.61 | |||||||||
1992 | 36.65 | 44.54 | a | 47.61 | 50.53 | 55.16 | 57.87 | 61.06 | 61.39 | 57.90 | 55.39 | 43.33 | 36.97 | a | 50.70 | |||||||||||
1993 | 37.65 | 41.50 | 48.65 | 46.83 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.65 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.91 | 41.84 | 44.22 | 46.83 | 51.16 | 56.72 | 60.33 | 59.77 | 57.41 | 52.85 | 44.73 | 38.65 | 49.22 | |||||||||||||
S.D. | 2.96 | 2.98 | 2.70 | 2.69 | 2.02 | 2.21 | 1.98 | 1.95 | 1.82 | 2.33 | 2.40 | 3.12 | 1.11 | |||||||||||||
SKEW | 0.38 | 0.15 | 0.15 | -0.38 | 0.21 | 0.07 | 0.54 | -0.09 | -0.17 | -0.02 | 0.06 | 0.30 | -0.37 | |||||||||||||
MAX | 44.97 | 47.86 | 50.03 | 51.83 | 55.94 | 61.50 | 65.19 | 63.35 | 61.03 | 58.19 | 49.63 | 45.16 | 51.02 | |||||||||||||
MIN | 31.74 | 36.46 | 39.26 | 40.97 | 46.81 | 52.73 | 56.27 | 55.63 | 53.60 | 48.60 | 39.77 | 32.45 | 46.68 | |||||||||||||
YRS | 38 | 38 | 38 | 38 | 34 | 37 | 37 | 35 | 36 | 37 | 38 | 37 | 32 |