YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | ----- | 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 | 64.29 | d | 55.77 | 41.70 | 33.65 | 48.85 | h | |||
1964 | 27.82 | 26.07 | 35.68 | 44.47 | a | 57.06 | 65.14 | a | 71.31 | 67.23 | 61.50 | 54.74 | 39.05 | a | 31.89 | 48.50 | ||||||||||
1965 | 33.87 | 32.66 | 37.35 | 46.91 | a | 53.88 | a | 63.38 | 69.44 | 67.77 | 59.63 | 54.42 | 44.10 | 33.61 | 49.75 | |||||||||||
1966 | 27.11 | 28.77 | 40.95 | 49.42 | 60.16 | 66.32 | 73.13 | 68.53 | 62.35 | 52.69 | 44.70 | 31.31 | 50.45 | |||||||||||||
1967 | 30.97 | 36.71 | 46.13 | 48.33 | 55.94 | 63.88 | 70.87 | 66.65 | a | 60.72 | 53.42 | 44.38 | 27.74 | 50.48 | ||||||||||||
1968 | 28.94 | 38.60 | 39.76 | 44.31 | a | 54.98 | 67.23 | 69.57 | a | 64.68 | a | 60.98 | 53.31 | 37.70 | 29.35 | 49.12 | ||||||||||
1969 | 36.32 | 33.62 | 35.42 | a | 50.37 | 58.24 | 64.58 | 71.81 | 70.61 | 63.43 | 48.53 | 39.10 | a | 36.05 | 50.67 | |||||||||||
1970 | 31.92 | 37.98 | 37.52 | 43.40 | 58.27 | 64.68 | 70.90 | 69.60 | 60.60 | 46.85 | 42.08 | 33.17 | a | 49.75 | ||||||||||||
1971 | 32.06 | 34.32 | 41.50 | 46.77 | 54.52 | 67.47 | 72.58 | a | 67.45 | 60.90 | 48.03 | a | 38.13 | 29.34 | 49.42 | |||||||||||
1972 | 32.82 | 38.69 | 47.82 | 50.87 | 57.24 | 65.78 | 72.53 | 67.85 | 61.57 | 51.27 | 35.25 | 30.92 | 51.05 | |||||||||||||
1973 | 26.48 | a | 33.59 | 36.79 | 42.92 | 55.50 | 64.67 | 69.44 | 68.68 | 61.87 | 52.76 | 42.78 | 34.60 | 49.17 | ||||||||||||
1974 | 30.03 | 33.48 | 45.29 | 47.77 | 60.66 | 70.82 | 69.45 | 67.06 | 60.72 | 51.58 | 40.15 | 28.31 | 50.44 | |||||||||||||
1975 | 30.32 | 33.09 | 38.10 | 43.80 | 54.13 | 64.98 | 69.27 | a | 68.18 | 59.67 | 52.05 | 39.80 | 33.10 | 48.87 | ||||||||||||
1976 | 31.08 | 39.29 | 39.83 | a | 48.22 | 56.95 | 66.07 | 70.16 | 67.75 | a | 61.16 | a | 48.58 | 38.35 | 29.97 | 49.78 | ||||||||||
1977 | 27.39 | 35.46 | 37.92 | 49.77 | 56.73 | 68.62 | 70.45 | 69.58 | 64.00 | 54.16 | 42.43 | 39.05 | 51.30 | |||||||||||||
1978 | 33.18 | 34.68 | 43.76 | 49.69 | a | 55.63 | 68.72 | 72.03 | 68.34 | 62.93 | a | 55.68 | a | 40.75 | 28.29 | 51.14 | ||||||||||
1979 | 25.53 | 31.82 | 38.71 | 48.97 | 54.61 | 65.25 | 72.52 | 67.42 | a | 64.72 | 55.39 | 34.28 | 34.48 | 49.47 | ||||||||||||
1980 | 34.29 | 37.31 | 38.47 | 46.60 | 53.82 | 69.25 | 73.18 | 69.31 | 63.47 | 49.81 | 41.66 | a | 39.53 | 51.39 | ||||||||||||
1981 | 36.63 | 37.79 | 38.81 | 51.63 | 56.03 | 69.63 | 70.55 | 68.31 | 62.75 | 50.87 | 43.88 | a | 36.44 | 51.94 | ||||||||||||
1982 | 31.26 | 32.93 | a | 41.15 | a | 48.22 | 54.40 | a | 65.70 | 70.82 | 68.34 | 62.70 | 48.71 | c | 38.93 | 30.00 | b | 49.43 | ||||||||
1983 | 31.20 | a | 35.17 | a | 40.58 | a | 42.07 | c | 54.02 | a | 64.55 | a | 69.47 | 68.94 | 66.02 | 52.31 | 38.32 | 34.08 | 49.73 | |||||||
1984 | 30.13 | 34.90 | 41.21 | 44.30 | 62.53 | 66.48 | 70.77 | 67.92 | 62.81 | a | 45.31 | 39.55 | 33.45 | 49.95 | ||||||||||||
1985 | 29.08 | a | 32.36 | 41.32 | 50.68 | 57.77 | 68.65 | 70.79 | b | 69.71 | 59.76 | a | 51.73 | a | 39.92 | 35.13 | 50.58 | |||||||||
1986 | 39.19 | 38.96 | a | 44.87 | 49.95 | 56.66 | 67.22 | 69.48 | 69.43 | a | 60.12 | 49.42 | 39.22 | 33.24 | 51.48 | |||||||||||
1987 | 29.11 | 32.25 | 36.69 | 49.68 | 55.27 | 66.67 | 69.89 | 67.03 | 61.40 | 55.53 | a | 38.38 | 29.95 | 49.32 | ||||||||||||
1988 | 28.73 | 37.34 | 40.08 | 48.32 | 57.42 | 66.88 | 70.47 | 67.44 | 60.55 | 56.24 | 41.43 | 31.40 | 50.53 | |||||||||||||
1989 | 29.87 | 36.89 | 47.31 | 55.75 | 60.92 | 67.67 | 72.47 | 68.40 | 63.73 | 51.16 | 41.62 | 33.61 | 52.45 | |||||||||||||
1990 | 30.92 | 33.66 | 42.39 | 51.08 | 56.45 | 72.00 | 69.58 | 66.95 | 63.42 | 52.29 | 41.12 | 27.98 | 50.65 | |||||||||||||
1991 | 29.02 | 38.30 | 38.61 | 47.52 | 57.40 | 63.60 | 69.03 | 68.55 | a | 62.57 | 54.89 | 37.52 | 28.29 | 49.61 | ||||||||||||
1992 | ----- | z | 34.66 | a | 40.47 | a | 51.13 | 55.95 | 62.20 | 67.19 | 66.53 | 61.52 | a | ----- | z | 33.46 | b | ----- | z | 52.57 | c | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.90 | 34.87 | 40.50 | 48.03 | 56.66 | 66.49 | 70.66 | 68.08 | 62.06 | 51.98 | 39.99 | 32.34 | 50.23 | |||||||||||||
S.D. | 3.15 | 3.11 | 3.35 | 3.13 | 2.24 | 2.30 | 1.43 | 1.20 | 1.62 | 2.91 | 2.80 | 3.19 | 0.97 | |||||||||||||
SKEW | 0.72 | -0.73 | 0.64 | -0.04 | 0.89 | 0.45 | 0.01 | -0.37 | 0.41 | -0.44 | -0.38 | 0.42 | 0.38 | |||||||||||||
MAX | 39.19 | 39.29 | 47.82 | 55.75 | 62.53 | 72.00 | 73.18 | 70.61 | 66.02 | 56.24 | 44.70 | 39.53 | 52.45 | |||||||||||||
MIN | 25.53 | 26.07 | 35.42 | 42.07 | 53.82 | 62.20 | 67.19 | 64.68 | 59.63 | 45.31 | 33.46 | 27.74 | 48.50 | |||||||||||||
YRS | 28 | 29 | 29 | 29 | 29 | 29 | 29 | 29 | 30 | 29 | 30 | 29 | 28 |