YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1952 | ----- | z | 46.40 | x | 41.27 | t | 43.03 | 46.06 | 47.50 | 48.90 | 50.13 | a | 49.55 | a | 47.68 | 43.63 | 42.58 | 46.56 | c | |||||||
1953 | 45.45 | 42.14 | 39.87 | 41.93 | 44.58 | 48.00 | 47.77 | 50.97 | 49.83 | 48.35 | 46.70 | 42.81 | 45.70 | |||||||||||||
1954 | 39.81 | 42.32 | 40.23 | a | 42.30 | 44.65 | 47.33 | 47.81 | 48.52 | 50.10 | 46.61 | 46.73 | 41.39 | 44.82 | ||||||||||||
1955 | 37.52 | 37.00 | 37.16 | 37.40 | 40.26 | 42.60 | 47.03 | 45.35 | 46.00 | 46.03 | a | 41.80 | 41.03 | 41.60 | ||||||||||||
1956 | 38.52 | 36.69 | 38.35 | 40.03 | a | 42.32 | 48.00 | 48.97 | 48.94 | 47.07 | 44.87 | 38.93 | 39.74 | 42.70 | ||||||||||||
1957 | 37.26 | 43.14 | 43.55 | 44.76 | a | 48.10 | 50.27 | 50.00 | 51.68 | 52.13 | 50.42 | 45.03 | 43.61 | 46.66 | ||||||||||||
1958 | 45.81 | 47.25 | 41.00 | 45.14 | a | 47.45 | 52.47 | 48.94 | 48.32 | 49.83 | 47.06 | 45.93 | 46.48 | 47.14 | ||||||||||||
1959 | 43.48 | 39.89 | 42.55 | 45.00 | 46.45 | 50.43 | 49.03 | 48.65 | 51.33 | 49.52 | 45.40 | 43.26 | 46.25 | |||||||||||||
1960 | 41.61 | 41.90 | 43.55 | 45.13 | 46.39 | 47.20 | 46.74 | 48.45 | 45.97 | a | 48.52 | 44.57 | 44.90 | a | 45.41 | |||||||||||
1961 | 45.30 | a | 45.71 | 44.48 | 45.69 | a | 47.32 | 49.97 | 51.06 | 50.87 | 49.83 | 46.90 | 43.10 | 42.68 | 46.91 | |||||||||||
1962 | 40.32 | 42.32 | 41.77 | 45.13 | 45.87 | 47.13 | 48.06 | 52.06 | 50.10 | 50.13 | 48.20 | 45.77 | 46.41 | |||||||||||||
1963 | 40.43 | a | 49.25 | 43.42 | 43.24 | a | 47.97 | 49.37 | 51.00 | a | 51.26 | 53.70 | 52.16 | 49.23 | 47.47 | a | 48.21 | |||||||||
1964 | 44.19 | 43.48 | 41.97 | 43.20 | 44.81 | 49.47 | ----- | z | 50.87 | 49.27 | 49.00 | 44.10 | 42.58 | 45.72 | a | |||||||||||
1965 | 41.52 | 41.18 | 41.77 | 43.33 | 43.58 | 45.97 | ----- | z | 51.55 | 47.97 | ----- | z | 46.67 | 40.97 | 44.45 | b | ||||||||||
1966 | 42.29 | 41.57 | 42.81 | 44.20 | 44.13 | 49.73 | 50.52 | 49.23 | 51.90 | 48.16 | 46.73 | 45.48 | 46.40 | |||||||||||||
1967 | 42.26 | 42.54 | 40.29 | 40.70 | 45.29 | 47.90 | 49.32 | 49.71 | 51.53 | 50.16 | 47.33 | 39.74 | 45.56 | |||||||||||||
1968 | 40.61 | 46.00 | 44.32 | 42.73 | 47.48 | 49.83 | 50.26 | 53.13 | a | 51.47 | 47.90 | 46.37 | 39.81 | 46.66 | ||||||||||||
1969 | 37.97 | 39.25 | 41.97 | 42.93 | 47.65 | 51.67 | 49.52 | 49.23 | 49.63 | 49.32 | 40.33 | 45.29 | 45.40 | |||||||||||||
1970 | 44.84 | 45.79 | 44.52 | 42.27 | 45.29 | 48.20 | 48.10 | 49.52 | 47.72 | a | 47.19 | 46.97 | 41.52 | 45.99 | ||||||||||||
1971 | 39.84 | 40.89 | 40.48 | 42.47 | 45.10 | ----- | z | 49.00 | 53.74 | 49.70 | ----- | z | 44.38 | a | 40.32 | 44.59 | b | |||||||||
1972 | 39.94 | 44.62 | 44.81 | 43.10 | 46.74 | 48.73 | 51.71 | 51.87 | 49.93 | 46.26 | 46.50 | 39.10 | 46.11 | |||||||||||||
1973 | 41.32 | 45.43 | ----- | z | 44.57 | 46.61 | 48.83 | 49.42 | 48.81 | 50.46 | b | 47.68 | 43.10 | 45.13 | a | 46.49 | a | |||||||||
1974 | 39.55 | 40.50 | 41.81 | 44.10 | 46.13 | 47.17 | 50.90 | 51.16 | 50.00 | 46.94 | 46.27 | ----- | z | 45.87 | a | |||||||||||
1975 | 41.39 | h | 41.77 | f | 40.48 | b | 39.24 | a | 44.74 | d | 46.04 | d | 50.85 | e | 47.92 | e | 48.76 | i | 47.67 | a | 43.18 | b | 42.90 | a | 44.78 | c |
1976 | 41.13 | 39.03 | 38.52 | b | 40.52 | a | 45.24 | b | 46.62 | a | 51.65 | 52.00 | b | 50.63 | 47.07 | a | 47.50 | 42.94 | 45.24 | |||||||
1977 | 42.53 | a | 45.57 | 41.23 | 43.48 | a | 45.17 | b | 48.23 | 48.13 | a | 51.39 | 50.50 | 48.48 | 44.37 | 43.81 | 46.07 | |||||||||
1978 | 45.23 | 42.50 | 45.23 | 43.72 | a | 46.67 | a | 49.90 | 50.33 | a | 49.93 | b | 52.73 | 48.67 | a | ----- | z | 37.68 | c | 46.60 | a | |||||
1979 | 39.65 | 41.07 | a | 43.84 | 45.14 | a | 47.03 | a | 48.11 | b | ----- | z | 52.55 | 53.29 | b | 50.13 | 45.57 | ----- | z | 46.64 | b | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.48 | 42.58 | 41.92 | 43.02 | 45.68 | 48.40 | 49.40 | 50.28 | 50.08 | 48.19 | 45.13 | 42.65 | 45.75 | |||||||||||||
S.D. | 2.54 | 3.04 | 2.13 | 1.99 | 1.75 | 1.97 | 1.40 | 1.84 | 1.94 | 1.62 | 2.36 | 2.47 | 1.50 | |||||||||||||
SKEW | 0.21 | 0.09 | -0.38 | -1.01 | -1.12 | -0.52 | -0.09 | -0.39 | -0.36 | 0.33 | -0.79 | 0.01 | -1.35 | |||||||||||||
MAX | 45.81 | 49.25 | 45.23 | 45.69 | 48.10 | 52.47 | 51.71 | 53.74 | 53.70 | 52.16 | 49.23 | 47.47 | 48.21 | |||||||||||||
MIN | 37.26 | 36.69 | 37.16 | 37.40 | 40.26 | 42.60 | 46.74 | 45.35 | 45.97 | 44.87 | 38.93 | 37.68 | 41.60 | |||||||||||||
YRS | 26 | 26 | 26 | 28 | 28 | 27 | 25 | 28 | 27 | 26 | 27 | 26 | 19 |