YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1947 | ----- | z | ----- | z | ----- | z | 43.17 | 46.27 | a | 50.03 | 50.87 | 51.55 | b | ----- | z | 45.48 | 38.42 | f | ----- | z | 47.90 | f | ||||
1948 | 36.74 | 33.86 | 36.68 | 39.73 | 45.68 | 51.89 | k | 52.32 | 51.79 | b | ----- | z | ----- | z | ----- | z | ----- | z | 42.40 | e | ||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | 36.68 | 40.53 | 44.23 | 47.47 | 50.29 | 51.03 | 49.97 | 48.03 | 39.30 | 38.68 | 44.62 | b | ||||||||||
1953 | 39.81 | 35.71 | 34.61 | 37.53 | 45.06 | 48.77 | 51.81 | 52.90 | a | 51.07 | c | 47.34 | b | 44.52 | a | 41.13 | 44.19 | |||||||||
1954 | 34.19 | 39.07 | 35.23 | 40.33 | 44.97 | 48.37 | c | 49.84 | 51.74 | 52.66 | a | 46.00 | 46.13 | 38.32 | 43.90 | |||||||||||
1955 | 37.93 | a | 36.00 | a | 35.94 | 37.00 | 42.90 | 45.43 | 51.26 | 49.65 | 49.40 | 44.87 | 36.00 | 35.55 | k | 42.40 | a | |||||||||
1956 | 35.10 | 32.93 | 35.52 | 40.00 | 45.42 | 49.70 | 51.03 | 51.32 | 49.43 | 44.35 | 38.21 | a | 36.77 | 42.48 | ||||||||||||
1957 | 31.52 | 34.57 | 39.19 | 43.47 | 47.74 | 51.21 | a | 52.48 | 51.94 | 53.07 | 45.48 | 38.63 | 39.74 | 44.09 | ||||||||||||
1958 | 41.06 | 43.75 | 37.84 | 40.43 | 46.16 | 51.80 | 53.29 | 50.58 | 49.33 | 44.83 | a | 39.62 | a | 42.48 | 45.10 | |||||||||||
1959 | 37.83 | a | 39.07 | 38.61 | 40.66 | a | 44.48 | 50.21 | a | 51.70 | a | 50.19 | 49.60 | 44.48 | 38.90 | a | 35.47 | a | 43.43 | |||||||
1960 | 36.16 | 36.75 | a | 37.13 | 40.63 | 42.97 | 46.10 | 48.35 | 51.84 | 45.90 | 45.45 | 38.60 | 36.77 | 42.22 | ||||||||||||
1961 | 37.50 | a | 39.29 | 35.52 | 37.80 | 42.48 | 45.60 | 52.17 | a | 49.21 | c | 47.93 | 40.81 | 34.24 | i | 33.45 | 41.98 | a | ||||||||
1962 | 34.71 | 36.54 | 35.61 | 40.97 | 43.90 | 47.13 | 48.61 | 52.68 | 48.17 | 46.84 | 41.83 | 38.43 | a | 42.95 | ||||||||||||
1963 | 31.53 | a | 41.96 | 36.97 | a | 41.07 | 43.03 | 46.37 | 50.81 | 50.90 | 50.67 | 47.19 | 40.23 | 39.23 | 43.33 | |||||||||||
1964 | 37.94 | 34.76 | 36.00 | 38.21 | a | 41.19 | 47.53 | ----- | z | 50.74 | 47.73 | 45.42 | 36.33 | 32.71 | c | 40.78 | a | |||||||||
1965 | 36.65 | 37.82 | 36.19 | 41.00 | 43.00 | 46.77 | 49.77 | 51.32 | 46.87 | 45.68 | 44.93 | 36.84 | 43.07 | |||||||||||||
1966 | 35.74 | 37.93 | 36.13 | 40.03 | 42.00 | 47.50 | 50.48 | 48.29 | 47.20 | 43.13 | a | 40.13 | 39.45 | 42.34 | ||||||||||||
1967 | 38.60 | a | 36.50 | 35.13 | 35.60 | j | 43.10 | b | 48.72 | a | 50.26 | 50.76 | b | 51.13 | 48.26 | 40.73 | d | 35.83 | b | 43.55 | a | |||||
1968 | 36.37 | a | 37.14 | a | 39.68 | 38.23 | 44.00 | a | 47.83 | 49.57 | c | 51.55 | b | 49.24 | a | 44.39 | 41.11 | b | 32.61 | 42.64 | ||||||
1969 | 29.93 | a | 33.75 | 35.61 | 41.00 | a | 43.94 | 51.57 | 51.42 | 51.10 | 51.85 | d | 44.87 | a | 39.14 | b | 42.39 | 43.05 | ||||||||
1970 | 37.94 | 39.39 | 38.29 | 37.60 | 43.00 | 46.82 | b | 47.83 | a | 47.90 | 44.23 | 41.47 | p | 40.17 | 33.52 | h | 42.32 | b | ||||||||
1971 | 38.87 | a | 41.30 | a | 36.42 | 38.73 | 43.90 | 46.77 | 49.65 | 53.40 | a | 45.83 | 41.74 | 37.79 | a | 32.55 | 42.25 | |||||||||
1972 | 29.74 | 33.83 | 38.68 | 37.00 | 42.94 | 45.30 | 47.42 | 47.65 | 45.90 | a | 39.81 | 40.03 | 31.18 | c | 39.96 | |||||||||||
1973 | 32.60 | a | 35.00 | 35.39 | 39.33 | 43.90 | 43.04 | g | 47.94 | m | 46.43 | q | 46.52 | i | 42.94 | 35.87 | 38.10 | 37.89 | d | |||||||
1974 | 31.13 | 38.72 | c | 37.06 | 39.90 | a | 42.42 | 46.29 | b | 49.35 | 51.77 | 49.88 | e | 37.63 | a | 38.90 | 36.19 | 41.60 | ||||||||
1975 | 34.55 | 35.07 | 35.68 | 35.03 | 43.56 | d | 46.45 | a | 52.23 | ----- | z | 49.70 | j | ----- | z | 41.59 | c | 35.76 | b | 39.99 | c | |||||
1976 | 37.35 | 35.96 | a | 35.04 | g | 39.90 | a | 41.81 | ----- | z | 46.70 | u | ----- | z | 48.60 | o | 40.00 | s | 40.48 | a | 35.13 | 38.44 | f | |||
1977 | 30.69 | b | 39.50 | 34.74 | 36.93 | 41.50 | a | 48.03 | 48.61 | 49.81 | 45.97 | 40.58 | 37.03 | a | 34.00 | 40.62 | ||||||||||
1978 | 35.65 | 36.73 | b | 35.50 | c | 38.90 | 45.42 | 48.80 | 47.42 | 47.26 | 47.93 | 45.87 | a | 35.07 | 30.25 | g | 42.23 | a | ||||||||
1979 | 29.65 | 33.09 | e | 34.17 | g | 38.07 | 43.12 | f | 43.36 | b | 43.17 | g | 49.92 | e | 48.25 | b | 44.45 | 35.30 | 36.30 | a | 39.82 | c | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.27 | 37.00 | 36.52 | 39.42 | 43.83 | 47.77 | 50.34 | 50.70 | 48.77 | 44.46 | 39.50 | 36.78 | 42.78 | |||||||||||||
S.D. | 3.26 | 2.75 | 1.39 | 1.89 | 1.55 | 2.04 | 1.64 | 1.58 | 2.28 | 2.59 | 2.78 | 3.06 | 1.28 | |||||||||||||
SKEW | -0.34 | 0.55 | 0.79 | -0.05 | 0.50 | 0.25 | -0.20 | -0.63 | 0.01 | -0.90 | 0.54 | 0.09 | -0.46 | |||||||||||||
MAX | 41.06 | 43.75 | 39.68 | 43.47 | 47.74 | 51.80 | 53.29 | 53.40 | 53.07 | 48.26 | 46.13 | 42.48 | 45.10 | |||||||||||||
MIN | 29.65 | 32.93 | 34.61 | 35.03 | 41.19 | 43.36 | 47.42 | 47.26 | 44.23 | 37.63 | 35.07 | 31.18 | 39.96 | |||||||||||||
YRS | 28 | 28 | 27 | 29 | 29 | 27 | 26 | 27 | 25 | 26 | 27 | 25 | 17 |