YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.00 | r | 39.23 | 26.73 | 25.00 | 30.32 | i | |||
1958 | 20.76 | j | 26.82 | 26.77 | 29.83 | 39.19 | 44.90 | 51.35 | 54.33 | a | 48.73 | 38.06 | 25.87 | 22.23 | 37.10 | a | ||||||||||
1959 | 20.61 | 20.61 | 23.52 | 32.67 | 33.48 | 47.07 | 53.84 | 54.16 | 42.50 | 35.10 | 28.47 | 25.33 | a | 34.78 | ||||||||||||
1960 | 16.71 | 20.31 | 27.13 | 29.93 | 34.87 | 45.90 | 51.03 | 51.00 | 45.70 | 35.81 | 26.96 | b | 22.21 | c | 33.96 | |||||||||||
1961 | 24.34 | b | 23.68 | 26.00 | 30.10 | 33.32 | 45.60 | 52.26 | 53.55 | 43.60 | 33.48 | 27.40 | 21.84 | 34.60 | ||||||||||||
1962 | 22.35 | 22.82 | k | 21.58 | 31.90 | 33.03 | 40.21 | a | 51.16 | 51.13 | 48.57 | 36.97 | 31.00 | 25.79 | b | 35.79 | a | |||||||||
1963 | 19.10 | 26.36 | 24.48 | 27.40 | 36.52 | 38.97 | 54.10 | 55.81 | 49.30 | 39.35 | 31.27 | 21.55 | 35.35 | |||||||||||||
1964 | 17.87 | 17.07 | 22.84 | 29.30 | 33.87 | 40.83 | 55.16 | 53.81 | 46.73 | 36.90 | 23.67 | 23.68 | 33.48 | |||||||||||||
1965 | 24.06 | 20.96 | 24.90 | 31.37 | 33.83 | a | 38.17 | 54.55 | 50.03 | 43.67 | 36.13 | 31.27 | 25.35 | 34.52 | ||||||||||||
1966 | 19.16 | 18.75 | 26.19 | 30.90 | 37.13 | 43.73 | 54.19 | 52.77 | 48.60 | 35.94 | 28.37 | 22.19 | 34.83 | |||||||||||||
1967 | 21.32 | 22.07 | 26.48 | 26.30 | 35.35 | 42.50 | 55.42 | 53.26 | 47.77 | 36.52 | d | 30.17 | 19.00 | 34.68 | ||||||||||||
1968 | 21.97 | 29.10 | 27.23 | 31.00 | 35.35 | 41.97 | 51.45 | 49.13 | 43.36 | e | 35.94 | 28.30 | 16.32 | 34.26 | ||||||||||||
1969 | 28.58 | 22.96 | 22.77 | 30.67 | 36.13 | 40.77 | 54.23 | 55.84 | 47.23 | 34.58 | 30.57 | 24.39 | 35.73 | |||||||||||||
1970 | 19.68 | 26.18 | 25.57 | a | 26.37 | 34.84 | 42.70 | 53.48 | 54.65 | 44.00 | 32.23 | 26.27 | 22.52 | 34.04 | ||||||||||||
1971 | 20.16 | 22.36 | 24.68 | 28.67 | 32.45 | 41.07 | 52.84 | 54.26 | 44.53 | 34.55 | 25.86 | a | 21.58 | 33.58 | ||||||||||||
1972 | 19.42 | 20.93 | 27.61 | 28.57 | 34.03 | a | 45.90 | 52.58 | 51.35 | 45.22 | c | 40.10 | 26.10 | 21.35 | 34.43 | |||||||||||
1973 | 21.61 | 25.93 | 25.90 | 28.47 | 37.97 | 44.20 | 50.84 | 51.52 | d | 41.69 | d | 33.10 | b | 25.37 | 21.39 | 34.00 | ||||||||||
1974 | 22.58 | 20.43 | 27.74 | 28.70 | 34.07 | d | 45.93 | 50.03 | 46.68 | 43.65 | d | 36.23 | 28.25 | b | 15.17 | a | 33.29 | |||||||||
1975 | 19.64 | c | 21.79 | 24.61 | 24.32 | e | 33.06 | 39.70 | 52.16 | f | 46.87 | 44.23 | 30.90 | 22.17 | 21.39 | 29.88 | a | |||||||||
1976 | 20.03 | 25.24 | 23.81 | 26.37 | 36.29 | 40.95 | j | 52.87 | 47.55 | 48.27 | o | ----- | z | ----- | z | ----- | z | 33.17 | e | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.07 | 22.86 | 25.25 | 29.10 | 34.99 | 42.78 | 52.85 | 51.98 | 45.51 | 35.85 | 27.58 | 22.01 | 34.37 | |||||||||||||
S.D. | 2.73 | 3.17 | 1.78 | 2.20 | 1.83 | 2.73 | 1.61 | 2.87 | 2.39 | 2.41 | 2.55 | 2.83 | 0.67 | |||||||||||||
SKEW | 1.04 | 0.20 | -0.39 | -0.43 | 0.69 | -0.05 | -0.08 | -0.54 | 0.21 | -0.14 | -0.21 | -0.91 | 0.25 | |||||||||||||
MAX | 28.58 | 29.10 | 27.74 | 32.67 | 39.19 | 47.07 | 55.42 | 55.84 | 49.30 | 40.10 | 31.27 | 25.79 | 35.73 | |||||||||||||
MIN | 16.71 | 17.07 | 21.58 | 24.32 | 32.45 | 38.17 | 50.03 | 46.68 | 41.69 | 30.90 | 22.17 | 15.17 | 33.29 | |||||||||||||
YRS | 18 | 18 | 19 | 19 | 19 | 18 | 18 | 19 | 18 | 19 | 19 | 19 | 15 |