YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1927 | ----- | z | ----- | z | ----- | z | 37.77 | 49.03 | 53.47 | 56.48 | 57.48 | 52.63 | 43.10 | 33.47 | 34.48 | 46.43 | c | |||||||||
1928 | 35.81 | 37.72 | 30.79 | b | 39.27 | 46.45 | 54.28 | a | 57.58 | 56.32 | 50.72 | a | 46.23 | 38.73 | 35.67 | p | 44.90 | a | ||||||||
1929 | ----- | z | 36.77 | o | 33.61 | 39.90 | 45.35 | 51.93 | 58.00 | 57.65 | 57.17 | 44.65 | 42.17 | 33.61 | 46.40 | b | ||||||||||
1930 | 38.00 | 19.64 | 32.94 | 38.73 | 41.74 | 52.97 | 57.10 | 59.16 | 53.07 | a | 44.03 | 35.33 | 33.77 | a | 42.21 | |||||||||||
1931 | 35.90 | 31.04 | 35.71 | 39.37 | 46.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.74 | g | |||||
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 | ----- | 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 | 55.21 | k | 44.86 | b | 44.86 | a | 34.63 | a | 41.45 | i |
1968 | 33.39 | 31.17 | 36.31 | b | 39.24 | a | 51.77 | 57.96 | d | ----- | z | ----- | z | ----- | z | 45.32 | ----- | z | ----- | z | 42.17 | e | ||||
1969 | 33.17 | a | 31.89 | 38.16 | 40.67 | 48.10 | a | 54.60 | 60.29 | 60.23 | 58.31 | a | 48.71 | 38.69 | a | 39.19 | 46.00 | |||||||||
1970 | 27.68 | 36.71 | 39.84 | 39.13 | 48.42 | 53.59 | a | ----- | z | 60.03 | 54.27 | 47.16 | 44.27 | 34.13 | a | 44.11 | a | |||||||||
1971 | 25.67 | a | 31.93 | 28.59 | b | 35.70 | 40.74 | 51.90 | 60.65 | 61.65 | 51.93 | a | 45.32 | 36.89 | b | 38.77 | a | 42.48 | ||||||||
1972 | 34.06 | 30.38 | 27.60 | a | 35.87 | 45.26 | 50.50 | 59.06 | 59.71 | 56.37 | 46.73 | a | 40.60 | 36.13 | a | 43.52 | ||||||||||
1973 | 26.48 | 36.07 | 34.30 | a | 39.10 | 44.67 | a | 55.87 | 57.97 | 59.68 | 54.20 | 42.61 | 40.70 | 35.39 | 43.92 | |||||||||||
1974 | 34.42 | 22.43 | 36.23 | 40.73 | 49.52 | 57.30 | 63.52 | 62.77 | 57.43 | b | 48.55 | 37.33 | 28.19 | 44.87 | ||||||||||||
1975 | 30.26 | 30.64 | 32.32 | 39.77 | 41.90 | a | 54.37 | 60.55 | 60.06 | 53.87 | 41.48 | 26.07 | 29.17 | a | 41.70 | |||||||||||
1976 | 27.03 | ----- | z | ----- | z | ----- | z | 43.94 | 57.93 | 65.03 | a | 62.00 | 53.87 | 43.29 | ----- | z | ----- | z | 50.44 | e | ||||||
1977 | ----- | z | 39.46 | 38.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.30 | h | 36.50 | 30.77 | 36.22 | h | ||||
1978 | 38.13 | 34.68 | 37.45 | 45.13 | 49.94 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.07 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.31 | 31.83 | 34.43 | 39.31 | 46.23 | 54.36 | 59.66 | 59.73 | 54.49 | 45.15 | 38.12 | 34.02 | 43.53 | |||||||||||||
S.D. | 4.40 | 5.66 | 3.68 | 2.25 | 3.27 | 2.36 | 2.70 | 1.90 | 2.36 | 2.17 | 4.94 | 3.36 | 1.54 | |||||||||||||
SKEW | -0.26 | -0.85 | -0.44 | 0.77 | -0.13 | 0.20 | 0.79 | -0.18 | 0.20 | 0.13 | -0.90 | -0.22 | 0.40 | |||||||||||||
MAX | 38.13 | 39.46 | 39.84 | 45.13 | 51.77 | 57.96 | 65.03 | 62.77 | 58.31 | 48.71 | 44.86 | 39.19 | 46.00 | |||||||||||||
MIN | 25.67 | 19.64 | 27.60 | 35.70 | 40.74 | 50.50 | 56.48 | 56.32 | 50.72 | 41.48 | 26.07 | 28.19 | 41.70 | |||||||||||||
YRS | 13 | 13 | 14 | 14 | 15 | 13 | 11 | 12 | 12 | 14 | 13 | 12 | 7 |