YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 40.46 | 37.10 | a | ----- | z | ----- | z | 51.77 | 55.90 | 62.10 | 59.03 | 55.06 | 42.17 | 43.48 | 49.68 | c | ||||||||
1959 | 39.58 | 34.18 | 41.87 | 45.90 | 44.32 | 53.90 | 62.62 | b | 57.61 | 53.57 | 52.52 | 44.77 | 39.84 | 47.56 | ||||||||||||
1960 | 33.03 | 34.76 | 41.90 | 43.80 | 46.32 | 55.23 | 62.81 | 58.68 | 59.17 | 48.77 | 41.07 | 36.58 | 46.84 | |||||||||||||
1961 | 40.19 | 37.68 | 38.16 | 42.80 | 42.94 | 56.03 | 60.39 | 61.16 | 51.97 | 48.39 | 40.62 | a | 35.10 | 46.29 | ||||||||||||
1962 | 36.35 | 37.71 | 34.53 | a | 46.50 | 44.34 | b | 50.97 | 56.23 | 60.16 | 56.77 | 50.16 | 43.07 | 40.16 | 46.41 | |||||||||||
1963 | 34.83 | a | 42.79 | 36.87 | 38.40 | 44.84 | 49.57 | 57.29 | 59.55 | 60.70 | 51.74 | 42.17 | 39.19 | 46.49 | ||||||||||||
1964 | 35.10 | 34.10 | 35.42 | 39.70 | 42.87 | 50.20 | 59.32 | 58.97 | 52.90 | a | 53.48 | 37.93 | a | 36.55 | 44.71 | |||||||||||
1965 | 36.26 | 36.29 | 36.84 | 40.43 | 43.65 | 45.13 | 56.32 | 58.74 | 50.03 | 51.81 | 43.10 | 36.00 | b | 44.55 | ||||||||||||
1966 | 33.29 | 33.00 | 38.81 | 42.50 | 45.39 | 49.50 | j | 56.61 | 58.48 | 53.67 | 47.13 | 40.90 | 36.74 | 44.23 | a | |||||||||||
1967 | 36.16 | 37.21 | 35.77 | 31.67 | 43.35 | 46.13 | 59.29 | 62.29 | 53.97 | 48.55 | 42.20 | 28.74 | 43.78 | |||||||||||||
1968 | 31.55 | 39.34 | 35.06 | 35.33 | 41.42 | 50.53 | 57.45 | 55.87 | 54.17 | 48.84 | 39.57 | 32.97 | a | 43.51 | ||||||||||||
1969 | 39.94 | 33.42 | d | 36.83 | a | 40.93 | 45.48 | 48.80 | 57.61 | 64.45 | 55.00 | 44.94 | 43.37 | 36.65 | 45.62 | |||||||||||
1970 | 35.68 | 38.04 | a | 38.90 | 37.67 | 45.87 | 53.55 | a | 62.97 | 62.90 | 53.33 | 46.74 | 41.03 | 36.10 | 46.07 | |||||||||||
1971 | 36.10 | 37.89 | 38.03 | 39.33 | 41.03 | 48.53 | 57.73 | a | 60.42 | 52.23 | 42.90 | 40.37 | 33.77 | 44.03 | ||||||||||||
1972 | 35.61 | 38.41 | 43.39 | 41.10 | a | 45.39 | 53.03 | 58.55 | 56.93 | c | 51.03 | a | 43.19 | 36.60 | 35.03 | 44.86 | ||||||||||
1973 | 32.13 | 35.04 | 33.17 | a | 37.34 | a | 46.37 | a | 52.37 | 55.48 | b | 56.79 | c | 44.23 | h | 47.33 | d | 37.97 | a | 36.55 | 42.78 | a | ||||
1974 | 33.71 | 34.41 | a | 37.39 | 38.77 | 43.77 | a | 53.57 | 58.26 | d | 56.45 | 58.10 | 46.74 | 41.82 | b | 34.16 | 44.76 | |||||||||
1975 | 37.42 | 34.46 | 35.17 | a | 34.58 | f | 43.55 | 49.40 | 58.03 | 56.42 | 56.23 | 43.48 | b | ----- | z | ----- | z | 46.02 | c | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.70 | 36.62 | 37.51 | 40.14 | 44.17 | 51.10 | 58.49 | 59.33 | 54.82 | 48.43 | 41.10 | 36.33 | 45.39 | |||||||||||||
S.D. | 2.56 | 2.67 | 2.71 | 3.79 | 1.57 | 3.02 | 2.35 | 2.50 | 3.06 | 3.56 | 2.15 | 3.26 | 1.25 | |||||||||||||
SKEW | 0.27 | 0.58 | 0.68 | -0.29 | -0.42 | -0.29 | 0.80 | 0.42 | 0.42 | 0.11 | -0.50 | -0.03 | 0.08 | |||||||||||||
MAX | 40.19 | 42.79 | 43.39 | 46.50 | 46.37 | 56.03 | 62.97 | 64.45 | 60.70 | 55.06 | 44.77 | 43.48 | 47.56 | |||||||||||||
MIN | 31.55 | 33.00 | 33.17 | 31.67 | 41.03 | 45.13 | 55.48 | 55.87 | 50.03 | 42.90 | 36.60 | 28.74 | 43.51 | |||||||||||||
YRS | 17 | 18 | 18 | 16 | 17 | 17 | 18 | 18 | 17 | 18 | 17 | 17 | 14 |