YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.00 | l | 67.00 | ----- | z | |
1904 | 61.00 | 75.00 | 75.00 | 85.00 | 93.00 | 99.00 | 104.00 | 92.00 | 87.00 | 80.00 | 68.00 | 64.00 | 104.00 | |||||||||||||
1905 | 59.00 | 65.00 | 71.00 | 79.00 | 91.00 | 100.00 | 103.00 | 94.00 | 86.00 | 79.00 | 67.00 | 53.00 | 103.00 | |||||||||||||
1906 | 64.00 | 89.00 | 81.00 | a | 78.00 | 90.00 | 101.00 | 105.00 | 87.00 | 87.00 | 81.00 | 75.00 | ----- | z | ----- | z | ||||||||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 84.00 | s | 67.00 | ----- | z | |
1960 | 59.00 | 62.00 | 78.00 | 83.00 | 102.00 | 99.00 | 101.00 | 96.00 | 91.00 | 85.00 | 73.00 | 66.00 | b | 102.00 | b | |||||||||||
1961 | 64.00 | 71.00 | 76.00 | 85.00 | 89.00 | 102.00 | 99.00 | 98.00 | 88.00 | a | 84.00 | 68.00 | 62.00 | 102.00 | a | |||||||||||
1962 | 65.00 | 70.00 | 75.00 | 89.00 | 89.00 | 95.00 | 94.00 | 98.00 | 92.00 | 80.00 | 75.00 | 67.00 | 98.00 | |||||||||||||
1963 | 65.00 | 76.00 | 78.00 | 81.00 | a | 87.00 | 100.00 | 98.00 | 89.00 | 88.00 | 88.00 | 73.00 | 67.00 | 100.00 | a | |||||||||||
1964 | 66.00 | 68.00 | 76.00 | 80.00 | 93.00 | 95.00 | a | 100.00 | a | 94.00 | 91.00 | 85.00 | 73.00 | 64.00 | 100.00 | b | ||||||||||
1965 | 64.00 | 67.00 | 73.00 | 87.00 | 85.00 | 96.00 | 97.00 | 94.00 | 87.00 | 90.00 | 72.00 | 70.00 | 97.00 | |||||||||||||
1966 | 64.00 | a | 62.00 | 80.00 | 83.00 | 88.00 | 95.00 | 104.00 | 96.00 | 89.00 | 80.00 | 75.00 | 66.00 | 104.00 | a | |||||||||||
1967 | 69.00 | 70.00 | 80.00 | 78.00 | 92.00 | 94.00 | 101.00 | 90.00 | 86.00 | 82.00 | 78.00 | 61.00 | 101.00 | |||||||||||||
1968 | 62.00 | 74.00 | 76.00 | a | 75.00 | 91.00 | 99.00 | a | 101.00 | 86.00 | 99.00 | 82.00 | 75.00 | 64.00 | 101.00 | b | ||||||||||
1969 | 69.00 | 67.00 | 79.00 | 83.00 | 96.00 | 104.00 | 102.00 | a | 98.00 | 89.00 | 87.00 | 69.00 | 73.00 | 104.00 | a | |||||||||||
1970 | 70.00 | 70.00 | 71.00 | 75.00 | 95.00 | 104.00 | 105.00 | 99.00 | 90.00 | 76.00 | 71.00 | 73.00 | 105.00 | |||||||||||||
1971 | 78.00 | 74.00 | 84.00 | 83.00 | 84.00 | 98.00 | 103.00 | 90.00 | 95.00 | 80.00 | 72.00 | 66.00 | 103.00 | |||||||||||||
1972 | 67.00 | 77.00 | 88.00 | 85.00 | 86.00 | 101.00 | 102.00 | 101.00 | 93.00 | 89.00 | 68.00 | 65.00 | 102.00 | |||||||||||||
1973 | 63.00 | 65.00 | 65.00 | 78.00 | 87.00 | 103.00 | 99.00 | 94.00 | 94.00 | 85.00 | 82.00 | 69.00 | 103.00 | |||||||||||||
1974 | 72.00 | 71.00 | 78.00 | 80.00 | 95.00 | 101.00 | 96.00 | 92.00 | 85.00 | 82.00 | 74.00 | 60.00 | 101.00 | |||||||||||||
1975 | 69.00 | 70.00 | 74.00 | 76.00 | 86.00 | 99.00 | 96.00 | 97.00 | 91.00 | 84.00 | 79.00 | 69.00 | 99.00 | |||||||||||||
1976 | 69.00 | 71.00 | 73.00 | 79.00 | 90.00 | 98.00 | 96.00 | 93.00 | 86.00 | 81.00 | 74.00 | 61.00 | 98.00 | |||||||||||||
1977 | 68.00 | 75.00 | 71.00 | 81.00 | 98.00 | 96.00 | 97.00 | 96.00 | 93.00 | 85.00 | 77.00 | 72.00 | 98.00 | |||||||||||||
1978 | 63.00 | 67.00 | 77.00 | 83.00 | ----- | z | 99.00 | 99.00 | 90.00 | 89.00 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 97.00 | l | 101.00 | 94.00 | 95.00 | 88.00 | 75.00 | 69.00 | a | ----- | z | |||||
1980 | 60.00 | 70.00 | 65.00 | 82.00 | 85.00 | 100.00 | 100.00 | 96.00 | 91.00 | 90.00 | 79.00 | 75.00 | 100.00 | |||||||||||||
1981 | 66.00 | 75.00 | 71.00 | a | 84.00 | 84.00 | 95.00 | 89.00 | 95.00 | 89.00 | 75.00 | 76.00 | 71.00 | 95.00 | a | |||||||||||
1982 | 70.00 | 70.00 | a | 75.00 | 81.00 | 93.00 | a | 96.00 | 98.00 | 90.00 | 92.00 | 81.00 | a | 68.00 | 64.00 | 98.00 | c | |||||||||
1983 | 66.00 | 70.00 | a | 72.00 | a | 80.00 | a | 88.00 | 92.00 | 98.00 | 94.00 | 94.00 | 78.00 | 71.00 | a | 64.00 | a | 98.00 | e | |||||||
1984 | 62.00 | 67.00 | d | 73.00 | d | 80.00 | c | 93.00 | a | 91.00 | c | 97.00 | 89.00 | 89.00 | 78.00 | b | 75.00 | 62.00 | j | ----- | z | |||||
1985 | 69.00 | 71.00 | 74.00 | 83.00 | b | 89.00 | b | 97.00 | 100.00 | t | 84.00 | y | 88.00 | c | 78.00 | n | 72.00 | 62.00 | o | ----- | z | |||||
1986 | 62.00 | x | 80.00 | 79.00 | a | 88.00 | 91.00 | 95.00 | c | 97.00 | a | ----- | z | 89.00 | p | ----- | z | 68.00 | o | 64.00 | ----- | z | ||||
1987 | 66.00 | a | 67.00 | 70.00 | 84.00 | 81.00 | i | 97.00 | 94.00 | 93.00 | 87.00 | 86.00 | 71.00 | 71.00 | 97.00 | j | ||||||||||
1988 | 65.00 | 71.00 | 80.00 | 81.00 | 89.00 | 93.00 | 93.00 | 92.00 | 89.00 | a | 84.00 | 79.00 | 64.00 | 93.00 | a | |||||||||||
1989 | 64.00 | 77.00 | 82.00 | 88.00 | 92.00 | 100.00 | 101.00 | 94.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 65.74 | 71.06 | 75.63 | 81.78 | 90.37 | 97.94 | 99.06 | 93.58 | 90.00 | 82.93 | 73.47 | 66.27 | 100.46 | |||||||||||||
S.D. | 4.05 | 5.38 | 5.00 | 3.62 | 4.24 | 3.34 | 3.71 | 3.58 | 3.27 | 4.04 | 3.83 | 4.59 | 3.02 | |||||||||||||
SKEW | 0.69 | 1.04 | 0.05 | 0.06 | 0.63 | -0.09 | -0.49 | -0.14 | 0.71 | 0.04 | 0.15 | -0.45 | -0.63 | |||||||||||||
MAX | 78.00 | 89.00 | 88.00 | 89.00 | 102.00 | 104.00 | 105.00 | 101.00 | 99.00 | 90.00 | 82.00 | 75.00 | 105.00 | |||||||||||||
MIN | 59.00 | 62.00 | 65.00 | 75.00 | 84.00 | 91.00 | 89.00 | 86.00 | 85.00 | 75.00 | 67.00 | 53.00 | 93.00 | |||||||||||||
YRS | 31 | 32 | 32 | 32 | 30 | 32 | 32 | 31 | 31 | 29 | 30 | 30 | 24 |