YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | 45.76 | n | 55.53 | 59.63 | 71.73 | 69.58 | a | 70.89 | 64.77 | 63.26 | 51.55 | 45.22 | a | 61.35 | c | |||||||
1951 | 37.27 | 35.50 | a | 38.44 | 44.22 | 59.37 | 67.77 | 74.00 | 69.23 | 67.87 | 56.68 | 43.62 | 37.24 | 52.60 | ||||||||||||
1952 | 39.19 | 37.30 | a | 36.62 | a | 50.87 | 62.24 | 69.08 | 71.33 | a | 73.10 | 74.48 | ----- | z | 34.83 | j | 30.24 | 54.45 | b | |||||||
1953 | 39.08 | ----- | z | ----- | z | ----- | z | 54.08 | 70.05 | 71.56 | 70.23 | ----- | z | ----- | z | ----- | z | ----- | z | 61.00 | g | |||||
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.38 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.38 | k | |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.25 | p | 53.53 | b | 44.45 | ----- | z | 48.99 | j | |
1976 | 33.47 | 39.78 | 39.24 | 46.57 | 56.35 | 62.58 | 63.52 | a | 63.65 | 58.83 | 48.68 | 41.70 | 37.61 | 49.33 | ||||||||||||
1977 | 34.66 | 38.86 | 36.89 | 51.05 | 55.19 | 65.90 | 68.06 | 67.97 | 64.30 | 56.35 | 49.33 | 45.55 | 52.84 | |||||||||||||
1978 | 36.35 | 36.81 | a | 44.75 | a | 51.38 | 56.83 | a | 66.22 | 69.98 | j | 64.89 | 59.68 | 56.45 | 44.37 | 33.76 | 50.14 | a | ||||||||
1979 | 29.65 | 36.29 | 41.94 | f | 48.38 | a | 54.88 | g | 62.30 | 65.52 | 60.41 | d | 58.53 | 54.98 | 38.58 | j | 42.75 | u | 52.01 | d | ||||||
1980 | 36.33 | s | 39.16 | 38.87 | a | ----- | z | 53.30 | i | 69.33 | 71.72 | b | 62.92 | e | 63.04 | b | 50.28 | m | 46.64 | b | 41.73 | t | 55.95 | e | ||
1981 | 39.55 | b | 42.92 | c | 41.70 | c | 51.19 | d | 54.95 | j | 66.98 | i | 64.91 | d | 65.50 | e | 64.30 | j | 55.76 | h | 50.58 | k | ----- | z | 50.96 | f |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.15 | 38.33 | 39.50 | 49.90 | 57.67 | 67.34 | 68.91 | 66.88 | 63.94 | 55.71 | 45.95 | 38.27 | 51.59 | |||||||||||||
S.D. | 3.43 | 2.38 | 2.86 | 3.46 | 2.86 | 3.10 | 3.61 | 4.03 | 5.37 | 4.35 | 3.45 | 6.12 | 1.96 | |||||||||||||
SKEW | -0.77 | 0.74 | 0.86 | -0.14 | 0.33 | -0.47 | -0.21 | -0.04 | 0.85 | 0.16 | 0.51 | 0.11 | -0.69 | |||||||||||||
MAX | 39.55 | 42.92 | 44.75 | 55.53 | 62.24 | 71.73 | 74.00 | 73.10 | 74.48 | 63.26 | 51.55 | 45.55 | 52.84 | |||||||||||||
MIN | 29.65 | 35.50 | 36.62 | 44.22 | 54.08 | 62.30 | 63.52 | 60.41 | 58.53 | 48.68 | 41.70 | 30.24 | 49.33 | |||||||||||||
YRS | 8 | 8 | 7 | 8 | 7 | 10 | 9 | 10 | 8 | 7 | 7 | 6 | 3 |