YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1927 | ----- | z | ----- | z | ----- | z | 30.78 | 40.31 | 45.20 | 50.53 | a | 51.34 | 46.40 | 36.60 | b | 28.48 | a | 28.95 | a | 39.84 | c | |||||
1928 | 29.85 | 32.07 | 23.57 | b | 32.32 | 39.85 | 46.45 | a | 49.94 | 48.89 | 44.47 | a | 39.82 | 32.23 | b | 30.30 | p | 38.13 | a | |||||||
1929 | ----- | z | 30.81 | o | 26.00 | d | 33.72 | 39.44 | 45.95 | 50.05 | 51.03 | a | 50.83 | 39.50 | 36.78 | 27.81 | 40.11 | b | ||||||||
1930 | 33.56 | 13.18 | 26.00 | 31.73 | 36.05 | 45.03 | a | 49.87 | 52.13 | a | 45.76 | a | 38.21 | 29.17 | 28.38 | b | 35.76 | |||||||||
1931 | 31.24 | 24.27 | 29.32 | 32.67 | 39.63 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.43 | 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 | 47.95 | k | 37.67 | b | 37.52 | a | 28.77 | a | 34.65 | i |
1968 | 26.90 | 25.07 | 30.48 | b | 32.83 | a | 43.42 | 47.90 | d | ----- | z | ----- | z | ----- | z | 39.23 | ----- | z | ----- | z | 35.12 | e | ||||
1969 | 27.65 | a | 26.78 | a | 33.66 | 35.31 | a | 41.73 | a | 48.00 | a | 52.26 | 52.34 | 49.50 | a | 44.16 | 33.41 | a | 35.14 | c | 40.00 | |||||
1970 | 21.87 | 31.48 | 34.98 | 32.97 | 42.69 | 47.74 | a | ----- | z | 51.66 | 48.41 | b | 40.40 | 38.75 | 28.15 | a | 38.10 | a | ||||||||
1971 | 18.75 | a | 25.32 | 20.67 | b | 28.20 | 35.74 | 45.05 | 51.92 | 54.95 | 45.88 | a | 39.93 | a | 30.46 | b | 32.39 | d | 35.77 | |||||||
1972 | 27.06 | 21.38 | a | 18.37 | a | 29.52 | 39.23 | 44.91 | b | 52.24 | 53.42 | 49.47 | a | 41.02 | a | 35.57 | a | 30.90 | b | 36.92 | ||||||
1973 | 19.88 | a | 30.98 | 28.40 | a | 34.12 | 38.00 | a | 49.12 | a | 51.58 | 51.45 | 47.25 | 38.00 | a | 35.95 | a | 29.98 | b | 37.89 | ||||||
1974 | 29.60 | 17.14 | 30.85 | 35.82 | 43.73 | 50.03 | 54.61 | 55.32 | 50.54 | b | 41.66 | 31.85 | 23.26 | 38.70 | ||||||||||||
1975 | 25.29 | 24.56 | a | 27.83 | a | 35.65 | 38.15 | a | 47.45 | 54.34 | 55.05 | 48.03 | 37.42 | 21.87 | 24.02 | a | 36.64 | |||||||||
1976 | 22.55 | a | ----- | z | ----- | z | ----- | z | 39.96 | e | 52.36 | a | 58.12 | a | 55.29 | 46.03 | 37.23 | ----- | z | ----- | z | 44.51 | e | |||
1977 | ----- | z | 35.87 | a | 32.90 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.83 | h | 31.92 | 25.34 | c | 31.51 | h | |
1978 | 34.10 | a | 30.05 | 33.11 | 39.75 | 44.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.23 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.79 | 26.01 | 28.30 | 33.24 | 40.14 | 47.32 | 52.31 | 52.74 | 47.71 | 39.35 | 32.61 | 28.59 | 37.38 | |||||||||||||
S.D. | 4.95 | 6.30 | 4.96 | 2.90 | 2.61 | 2.24 | 2.52 | 2.07 | 2.07 | 2.05 | 4.56 | 3.38 | 1.57 | |||||||||||||
SKEW | -0.15 | -0.48 | -0.56 | 0.39 | -0.02 | 0.80 | 1.11 | -0.12 | 0.10 | 0.78 | -0.80 | 0.17 | 0.52 | |||||||||||||
MAX | 34.10 | 35.87 | 34.98 | 39.75 | 44.15 | 52.36 | 58.12 | 55.32 | 50.83 | 44.16 | 38.75 | 35.14 | 40.00 | |||||||||||||
MIN | 18.75 | 13.18 | 18.37 | 28.20 | 35.74 | 44.91 | 49.87 | 48.89 | 44.47 | 36.60 | 21.87 | 23.26 | 35.76 | |||||||||||||
YRS | 13 | 13 | 14 | 14 | 15 | 13 | 11 | 12 | 12 | 14 | 13 | 12 | 7 |