YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1892 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.00 | a | ----- | z |
1893 | 70.00 | 72.00 | 88.00 | a | 84.00 | 91.00 | 98.00 | 96.00 | 92.00 | 94.00 | 88.00 | a | 77.00 | 70.00 | a | 98.00 | c | |||||||||
1894 | 63.00 | 66.00 | 75.00 | c | 80.00 | e | 90.00 | 95.00 | 96.00 | 90.00 | 90.00 | 85.00 | ----- | z | 66.00 | ----- | z | |||||||||
1895 | 64.00 | 72.00 | 78.00 | 83.00 | 94.00 | 96.00 | 95.00 | 91.00 | 93.00 | 78.00 | d | 70.00 | 67.00 | 96.00 | d | |||||||||||
1896 | 69.00 | a | 72.00 | 80.00 | 80.00 | 96.00 | 100.00 | b | 93.00 | d | 92.00 | 91.00 | 80.00 | 77.00 | 71.00 | 100.00 | g | |||||||||
1897 | 60.00 | 68.00 | 71.00 | 82.00 | a | 89.00 | 96.00 | 92.00 | 88.00 | 84.00 | a | 82.00 | 76.00 | 67.00 | 96.00 | b | ||||||||||
1898 | 62.00 | 71.00 | 73.00 | 85.00 | 88.00 | 99.00 | 94.00 | 91.00 | 87.00 | 84.00 | 73.00 | 67.00 | 99.00 | |||||||||||||
1899 | 67.00 | 69.00 | 80.00 | 83.00 | 88.00 | 94.00 | 96.00 | 93.00 | 96.00 | 82.00 | 79.00 | 72.00 | 96.00 | |||||||||||||
1900 | 70.00 | 73.00 | 81.00 | 78.00 | 92.00 | 98.00 | a | 99.00 | 96.00 | 91.00 | 83.00 | 76.00 | 70.00 | 99.00 | a | |||||||||||
1901 | 69.00 | c | 75.00 | 77.00 | a | 81.00 | a | 85.00 | 98.00 | a | 97.00 | 91.00 | a | 89.00 | 84.00 | 72.00 | 73.00 | 98.00 | g | |||||||
1902 | 69.00 | 75.00 | c | 73.00 | 85.00 | 88.00 | 99.00 | 97.00 | 91.00 | a | 90.00 | b | 83.00 | m | 74.00 | 70.00 | 99.00 | s | ||||||||
1903 | 70.00 | 66.00 | 78.00 | 81.00 | n | 86.00 | 98.00 | 96.00 | 95.00 | e | 91.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1904 | 71.00 | g | 84.00 | d | 81.00 | 87.00 | c | 89.00 | 95.00 | 95.00 | 87.00 | 86.00 | 82.00 | 72.00 | a | 62.00 | 95.00 | o | ||||||||
1905 | 67.00 | 65.00 | 73.00 | 78.00 | 88.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||
1906 | 68.00 | 66.00 | 72.00 | 78.00 | 85.00 | 94.00 | 92.00 | 84.00 | 86.00 | 81.00 | 79.00 | 68.00 | 94.00 | |||||||||||||
1907 | 64.00 | 72.00 | 86.00 | 84.00 | 84.00 | 95.00 | 97.00 | 86.00 | 86.00 | 81.00 | 69.00 | d | 69.00 | a | 97.00 | e | ||||||||||
1908 | 65.00 | 69.00 | 79.00 | i | 79.00 | d | 81.00 | 92.00 | 91.00 | 83.00 | a | 85.00 | a | 83.00 | 73.00 | 62.00 | 92.00 | o | ||||||||
1909 | 73.00 | 65.00 | 72.00 | 79.00 | 83.00 | 91.00 | 94.00 | 85.00 | 83.00 | 83.00 | 78.00 | 67.00 | 94.00 | |||||||||||||
1910 | 72.00 | a | 71.00 | 78.00 | 84.00 | 95.00 | a | 94.00 | 95.00 | 89.00 | 87.00 | 81.00 | 76.00 | 73.00 | 95.00 | b | ||||||||||
1911 | 72.00 | a | 64.00 | 74.00 | 76.00 | a | 86.00 | 92.00 | 90.00 | 91.00 | 85.00 | 79.00 | 68.00 | 63.00 | 92.00 | b | ||||||||||
1912 | 68.00 | 68.00 | 71.00 | 77.00 | 89.00 | 92.00 | 95.00 | 90.00 | ----- | z | 78.00 | c | 76.00 | 64.00 | ----- | z | ||||||||||
1913 | 64.00 | 66.00 | a | 81.00 | 79.00 | b | 88.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.00 | ----- | z | ||||
1914 | 72.00 | 68.00 | 76.00 | 84.00 | a | 91.00 | a | 97.00 | a | 91.00 | 93.00 | a | 88.00 | 82.00 | 72.00 | 61.00 | 97.00 | d | ||||||||
1915 | 64.00 | 70.00 | 78.00 | 82.00 | 88.00 | 103.00 | c | 102.00 | d | 97.00 | 93.00 | 87.00 | 78.00 | 71.00 | 103.00 | g | ||||||||||
1916 | 72.00 | j | 79.00 | h | 85.00 | h | 85.00 | s | ----- | z | ----- | z | 95.00 | f | 93.00 | b | 81.00 | 82.00 | ----- | z | ----- | z | ----- | z | ||
1917 | 69.00 | d | 75.00 | a | ----- | z | 83.00 | b | 87.00 | 98.00 | a | 98.00 | 94.00 | 91.00 | 95.00 | 78.00 | 72.00 | e | ----- | z | ||||||
1918 | 72.00 | 75.00 | 76.00 | 80.00 | 88.00 | 97.00 | 97.00 | 98.00 | 94.00 | 89.00 | 81.00 | g | 68.00 | c | 98.00 | j | ||||||||||
1919 | 66.00 | 69.00 | 78.00 | 88.00 | 91.00 | 101.00 | 97.00 | a | 98.00 | 92.00 | 80.00 | 76.00 | 68.00 | 101.00 | a | |||||||||||
1920 | 71.00 | 69.00 | g | 72.00 | a | 79.00 | 91.00 | 96.00 | 104.00 | 97.00 | 93.00 | 88.00 | 77.00 | 67.00 | 104.00 | h | ||||||||||
1921 | 70.00 | 78.00 | 77.00 | 85.00 | 92.00 | 99.00 | 94.00 | a | 90.00 | 91.00 | 87.00 | 76.00 | 74.00 | 99.00 | a | |||||||||||
1922 | 66.00 | i | 74.00 | 76.00 | 80.00 | 94.00 | 98.00 | 97.00 | 99.00 | 97.00 | 92.00 | 76.00 | 71.00 | 99.00 | i | |||||||||||
1923 | 75.00 | 72.00 | 74.00 | 80.00 | 92.00 | 100.00 | 97.00 | a | 93.00 | b | 91.00 | 86.00 | 68.00 | 67.00 | 100.00 | c | ||||||||||
1924 | 70.00 | 76.00 | 73.00 | 85.00 | 91.00 | 106.00 | 102.00 | 101.00 | c | 99.00 | 94.00 | 90.00 | 75.00 | 106.00 | c | |||||||||||
1925 | 77.00 | 85.00 | 88.00 | 95.00 | a | 101.00 | 102.00 | 102.00 | 97.00 | 100.00 | 98.00 | 82.00 | 69.00 | 102.00 | a | |||||||||||
1926 | 70.00 | 82.00 | a | 80.00 | 88.00 | 96.00 | 104.00 | 103.00 | 101.00 | g | 97.00 | 89.00 | 85.00 | a | 77.00 | 104.00 | i | |||||||||
1927 | 85.00 | e | 82.00 | a | 84.00 | 95.00 | e | 101.00 | c | 105.00 | 104.00 | 101.00 | 98.00 | 93.00 | 88.00 | b | 69.00 | 105.00 | p | |||||||
1928 | 82.00 | 77.00 | 82.00 | 84.00 | 89.00 | 100.00 | 94.00 | 94.00 | 90.00 | 90.00 | e | 71.00 | 65.00 | 100.00 | e | |||||||||||
1929 | 70.00 | 72.00 | 78.00 | 82.00 | 91.00 | a | 105.00 | 98.00 | 92.00 | 93.00 | 92.00 | 77.00 | 75.00 | 105.00 | a | |||||||||||
1930 | 65.00 | 76.00 | 75.00 | 88.00 | 93.00 | a | 102.00 | 98.00 | 101.00 | 97.00 | 89.00 | 75.00 | 73.00 | 102.00 | a | |||||||||||
1931 | 68.00 | 67.00 | a | 85.00 | h | 85.00 | 93.00 | 101.00 | 101.00 | 97.00 | 93.00 | a | 90.00 | 83.00 | 71.00 | 101.00 | j | |||||||||
1932 | 70.00 | 72.00 | f | 79.00 | a | 84.00 | 91.00 | 99.00 | 97.00 | 95.00 | 95.00 | 86.00 | 79.00 | 68.00 | 99.00 | g | ||||||||||
1933 | 75.00 | a | 73.00 | e | 81.00 | 81.00 | 94.00 | a | 101.00 | 100.00 | a | 99.00 | 91.00 | 85.00 | a | 77.00 | 78.00 | 101.00 | i | |||||||
1934 | 73.00 | 76.00 | i | 83.00 | 88.00 | 94.00 | b | 100.00 | 98.00 | 96.00 | b | 93.00 | 91.00 | 82.00 | 69.00 | a | 100.00 | n | ||||||||
1935 | 75.00 | a | 77.00 | b | 74.00 | 86.00 | 86.00 | 100.00 | 96.00 | 91.00 | 91.00 | a | 88.00 | 75.00 | 68.00 | a | 100.00 | e | ||||||||
1936 | 69.00 | 70.00 | b | 75.00 | 85.00 | 91.00 | 99.00 | b | 98.00 | 96.00 | 94.00 | 88.00 | 79.00 | 72.00 | 99.00 | d | ||||||||||
1937 | 63.00 | 75.00 | 76.00 | 92.00 | 95.00 | 100.00 | 99.00 | 98.00 | 92.00 | a | 91.00 | 79.00 | 74.00 | 100.00 | a | |||||||||||
1938 | 71.00 | c | 72.00 | 81.00 | 87.00 | c | 95.00 | 99.00 | 98.00 | 99.00 | 92.00 | a | 87.00 | 81.00 | 78.00 | 99.00 | g | |||||||||
1939 | 70.00 | 71.00 | 85.00 | 89.00 | 94.00 | a | 104.00 | 97.00 | 99.00 | 98.00 | 85.00 | 84.00 | 76.00 | 104.00 | a | |||||||||||
1940 | 71.00 | 77.00 | 79.00 | 85.00 | 92.00 | 99.00 | 98.00 | 97.00 | i | 92.00 | 85.00 | 76.00 | 78.00 | 99.00 | i | |||||||||||
1941 | 68.00 | a | 74.00 | c | 77.00 | 78.00 | 89.00 | c | 94.00 | 93.00 | 91.00 | 90.00 | 81.00 | 76.00 | 70.00 | 94.00 | g | |||||||||
1942 | 72.00 | 72.00 | 75.00 | 79.00 | 90.00 | b | 99.00 | d | 98.00 | d | 92.00 | e | 88.00 | d | 83.00 | d | 80.00 | d | 69.00 | d | ----- | z | ||||
1943 | 70.00 | e | 74.00 | d | 80.00 | d | 90.00 | d | 92.00 | e | 96.00 | d | 95.00 | d | 90.00 | d | 94.00 | d | 84.00 | e | 75.00 | d | 66.00 | d | ----- | z |
1944 | 72.00 | e | 65.00 | d | 71.00 | d | 79.00 | d | 89.00 | d | 98.00 | d | 96.00 | e | 99.00 | d | 92.00 | d | 85.00 | d | 77.00 | d | 69.00 | e | ----- | z |
1945 | 68.00 | d | 74.00 | d | 74.00 | d | 83.00 | d | 87.00 | d | 95.00 | d | 101.00 | d | 94.00 | d | 98.00 | 82.00 | 82.00 | 74.00 | f | ----- | z | |||
1946 | 77.00 | 75.00 | d | 76.00 | e | 88.00 | 90.00 | 100.00 | i | 95.00 | d | 97.00 | 90.00 | 82.00 | 76.00 | 76.00 | 100.00 | v | ||||||||
1947 | 71.00 | 76.00 | 80.00 | 84.00 | 94.00 | 94.00 | 99.00 | e | 94.00 | e | 95.00 | d | 87.00 | d | 82.00 | c | 70.00 | e | ----- | z | ||||||
1948 | 74.00 | d | 77.00 | e | 76.00 | d | 91.00 | d | 92.00 | e | 99.00 | d | 101.00 | e | 96.00 | e | 99.00 | e | 85.00 | e | 76.00 | d | 69.00 | d | ----- | z |
1949 | 56.00 | d | 72.00 | d | 79.00 | d | 89.00 | d | 94.00 | g | 98.00 | h | 97.00 | i | 97.00 | h | 96.00 | i | 84.00 | j | 79.00 | e | 75.00 | e | ----- | z |
1950 | 78.00 | c | 74.00 | d | 83.00 | e | 85.00 | f | 86.00 | e | 100.00 | d | 97.00 | g | 96.00 | d | 98.00 | e | 90.00 | e | 82.00 | d | 75.00 | e | ----- | z |
1951 | 71.00 | e | 79.00 | e | 74.00 | d | 82.00 | d | 99.00 | d | 100.00 | d | 97.00 | e | 94.00 | d | 94.00 | f | 88.00 | e | 77.00 | d | 72.00 | f | ----- | z |
1952 | 71.00 | c | 66.00 | c | 70.00 | e | 80.00 | d | 89.00 | d | 97.00 | b | 97.00 | d | 94.00 | d | 97.00 | e | 87.00 | d | 77.00 | d | 66.00 | c | ----- | z |
1953 | 79.00 | d | 73.00 | d | 79.00 | e | 82.00 | d | 92.00 | d | 100.00 | d | 99.00 | e | 95.00 | e | 92.00 | e | 87.00 | d | 77.00 | d | 73.00 | c | ----- | z |
1954 | 74.00 | c | 76.00 | c | 75.00 | d | 85.00 | d | 87.00 | 98.00 | b | 98.00 | e | 92.00 | a | 93.00 | d | 87.00 | d | 79.00 | c | 78.00 | a | ----- | z | |
1955 | 66.00 | 74.00 | 78.00 | 79.00 | 91.00 | 99.00 | 98.00 | 89.00 | 93.00 | 90.00 | 76.00 | 74.00 | 99.00 | |||||||||||||
1956 | 70.00 | 74.00 | 80.00 | 79.00 | 91.00 | 96.00 | 99.00 | 96.00 | 96.00 | 87.00 | a | 77.00 | 68.00 | d | 99.00 | e | ||||||||||
1957 | 72.00 | c | 83.00 | d | 80.00 | d | 82.00 | b | 86.00 | c | 98.00 | b | 99.00 | c | 92.00 | d | 90.00 | f | 84.00 | d | 69.00 | f | 69.00 | g | ----- | z |
1958 | 69.00 | c | 75.00 | f | 69.00 | e | 85.00 | e | 97.00 | f | 97.00 | f | 103.00 | e | 92.00 | i | 91.00 | h | 80.00 | d | 77.00 | e | 77.00 | e | ----- | z |
1959 | 74.00 | d | 71.00 | d | 75.00 | e | 86.00 | d | 90.00 | f | 99.00 | d | 95.00 | d | 91.00 | e | 92.00 | a | 88.00 | b | 75.00 | f | 67.00 | a | ----- | z |
1960 | 69.00 | b | 70.00 | a | 85.00 | d | 86.00 | d | 93.00 | a | 101.00 | 97.00 | 93.00 | 91.00 | 84.00 | a | 79.00 | b | 72.00 | c | 101.00 | r | ||||
1961 | 67.00 | i | 77.00 | g | 77.00 | g | 87.00 | h | 90.00 | e | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | 83.00 | d | 91.00 | f | 98.00 | c | 97.00 | b | 93.00 | a | 96.00 | b | 86.00 | a | 73.00 | c | 71.00 | a | ----- | z |
1983 | 70.00 | b | 73.00 | d | 78.00 | e | 80.00 | f | 92.00 | c | 93.00 | 96.00 | b | 92.00 | a | 99.00 | d | 84.00 | e | 75.00 | c | 70.00 | c | ----- | z | |
1984 | 74.00 | d | 69.00 | f | 76.00 | f | 83.00 | g | 97.00 | d | 92.00 | f | 90.00 | x | 90.00 | c | 89.00 | d | 79.00 | f | 78.00 | g | 67.00 | d | ----- | z |
1985 | 68.00 | f | 72.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 70.06 | 72.72 | 77.48 | 83.52 | 90.63 | 98.20 | 97.12 | 93.43 | 92.06 | 85.75 | 77.11 | 70.21 | 98.77 | |||||||||||||
S.D. | 4.82 | 4.79 | 4.30 | 4.20 | 3.92 | 3.32 | 3.08 | 4.07 | 4.26 | 4.22 | 4.24 | 4.16 | 3.65 | |||||||||||||
SKEW | 0.17 | 0.38 | 0.36 | 0.60 | 0.29 | 0.03 | 0.12 | -0.26 | -0.29 | 0.44 | 0.40 | 0.06 | 0.19 | |||||||||||||
MAX | 85.00 | 85.00 | 88.00 | 95.00 | 101.00 | 106.00 | 104.00 | 101.00 | 100.00 | 98.00 | 90.00 | 78.00 | 106.00 | |||||||||||||
MIN | 56.00 | 64.00 | 69.00 | 76.00 | 81.00 | 91.00 | 90.00 | 83.00 | 81.00 | 78.00 | 68.00 | 61.00 | 92.00 | |||||||||||||
YRS | 67 | 64 | 65 | 66 | 67 | 64 | 65 | 65 | 64 | 65 | 62 | 66 | 22 |