YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | 80.00 | 75.00 | 72.00 | 53.00 | 44.00 | ----- | z | |||||
1964 | 38.00 | 41.00 | 49.00 | 55.00 | 74.00 | 78.00 | 82.00 | 77.00 | 73.00 | 70.00 | 56.00 | a | 45.00 | 82.00 | a | |||||||||||
1965 | 43.00 | 38.00 | a | 46.00 | 63.00 | 70.00 | 75.00 | 78.00 | 78.00 | 68.00 | 69.00 | 57.00 | 44.00 | 78.00 | a | |||||||||||
1966 | 36.00 | 38.00 | 57.00 | 61.00 | 71.00 | 77.00 | 83.00 | 82.00 | 77.00 | 65.00 | 56.00 | 45.00 | 83.00 | |||||||||||||
1967 | 38.00 | 45.00 | 54.00 | 62.00 | 74.00 | 77.00 | 81.00 | 78.00 | 73.00 | 67.00 | 57.00 | 39.00 | 81.00 | |||||||||||||
1968 | 38.00 | 44.00 | 50.00 | 59.00 | 72.00 | 81.00 | 82.00 | 73.00 | 74.00 | 68.00 | 52.00 | 43.00 | 82.00 | |||||||||||||
1969 | 49.00 | 44.00 | 52.00 | 68.00 | 76.00 | 78.00 | 80.00 | 81.00 | 73.00 | 66.00 | a | 51.00 | 44.00 | 81.00 | a | |||||||||||
1970 | 43.00 | 44.00 | 44.00 | 55.00 | 72.00 | 80.00 | 79.00 | 80.00 | 74.00 | a | 64.00 | a | 52.00 | 44.00 | 80.00 | b | ||||||||||
1971 | 47.00 | 47.00 | 57.00 | a | 61.00 | a | 66.00 | 79.00 | 82.00 | 75.00 | 74.00 | 65.00 | a | 56.00 | 50.00 | 82.00 | c | |||||||||
1972 | 42.00 | 50.00 | a | 55.00 | 60.00 | 67.00 | 78.00 | 83.00 | 81.00 | a | 71.00 | 67.00 | a | 46.00 | 39.00 | a | 83.00 | d | ||||||||
1973 | 38.00 | 45.00 | 48.00 | 55.00 | 67.00 | 79.00 | 82.00 | a | 84.00 | 74.00 | a | 67.00 | 60.00 | 53.00 | 84.00 | b | ||||||||||
1974 | 37.00 | 42.00 | 51.00 | 58.00 | 72.00 | 82.00 | 79.00 | 75.00 | 73.00 | 73.00 | 54.00 | 41.00 | 82.00 | |||||||||||||
1975 | 44.00 | a | 50.00 | 48.00 | 61.00 | 66.00 | 82.00 | 86.00 | 84.00 | 78.00 | 71.00 | a | 61.00 | 40.00 | 86.00 | b | ||||||||||
1976 | 37.00 | 45.00 | 47.00 | 57.00 | b | 69.00 | a | 78.00 | 82.00 | 74.00 | 75.00 | 65.00 | ----- | z | ----- | z | ----- | z | ||||||||
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.00 | 77.00 | 68.00 | a | 60.00 | a | 44.00 | b | ----- | z | ||
1978 | 39.00 | 40.00 | 55.00 | 62.00 | 71.00 | 77.00 | 81.00 | 77.00 | 77.00 | 62.00 | 56.00 | a | 31.00 | a | 81.00 | b | ||||||||||
1979 | 32.00 | 35.00 | b | 40.00 | 54.00 | a | 65.00 | 79.00 | 80.00 | 84.00 | 77.00 | a | 68.00 | 45.00 | a | 35.00 | 84.00 | e | ||||||||
1980 | 36.00 | 41.00 | 45.00 | 53.00 | 67.00 | 79.00 | 80.00 | 80.00 | 74.00 | 71.00 | ----- | z | 47.00 | ----- | z | |||||||||||
1981 | 35.00 | a | 44.00 | 46.00 | 68.00 | 67.00 | 80.00 | a | 81.00 | b | 81.00 | a | 72.00 | 66.00 | b | 55.00 | 47.00 | a | 81.00 | h | ||||||
1982 | 47.00 | a | 47.00 | 47.00 | d | 59.00 | c | 65.00 | c | 78.00 | 81.00 | e | 79.00 | f | 74.00 | c | 63.00 | i | 53.00 | e | 53.00 | f | ----- | z | ||
1983 | 43.00 | g | 50.00 | e | 56.00 | b | 59.00 | h | 69.00 | c | 75.00 | g | 80.00 | f | 81.00 | a | 78.00 | e | 64.00 | g | 61.00 | c | 38.00 | j | ----- | z |
1984 | 35.00 | f | 42.00 | e | 62.00 | f | 59.00 | h | 73.00 | g | 76.00 | d | 78.00 | g | 75.00 | g | 74.00 | b | 60.00 | e | 51.00 | j | 42.00 | d | ----- | z |
1985 | 38.00 | g | 45.00 | f | 51.00 | e | 59.00 | h | 66.00 | d | 77.00 | d | 82.00 | g | 81.00 | g | 72.00 | f | 64.00 | l | 55.00 | j | 40.00 | f | ----- | z |
1986 | 48.00 | l | 47.00 | u | 59.00 | j | 63.00 | k | 68.00 | i | 78.00 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.94 | 43.60 | 49.90 | 59.50 | 69.30 | 78.50 | 81.22 | 79.20 | 74.32 | 67.20 | 54.79 | 43.00 | 81.92 | |||||||||||||
S.D. | 4.68 | 4.11 | 4.73 | 4.33 | 3.31 | 1.85 | 1.83 | 3.29 | 2.40 | 3.29 | 4.45 | 4.99 | 1.93 | |||||||||||||
SKEW | 0.44 | -0.16 | -0.09 | 0.43 | 0.39 | 0.31 | 0.61 | -0.26 | -0.47 | -0.21 | -0.60 | -0.42 | 0.11 | |||||||||||||
MAX | 49.00 | 50.00 | 57.00 | 68.00 | 76.00 | 82.00 | 86.00 | 84.00 | 78.00 | 73.00 | 61.00 | 53.00 | 86.00 | |||||||||||||
MIN | 32.00 | 35.00 | 40.00 | 53.00 | 65.00 | 75.00 | 78.00 | 73.00 | 68.00 | 60.00 | 45.00 | 31.00 | 78.00 | |||||||||||||
YRS | 18 | 20 | 20 | 18 | 20 | 20 | 18 | 20 | 22 | 20 | 19 | 19 | 13 |