YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1895 | ----- | z | ----- | z | ----- | z | ----- | z | 91.00 | t | 93.00 | 97.00 | 93.00 | 94.00 | 79.00 | 66.00 | 56.00 | b | ----- | z | ||||||
1896 | 59.00 | 71.00 | 82.00 | a | 84.00 | 98.00 | 102.00 | 94.00 | 96.00 | 95.00 | 78.00 | 70.00 | 58.00 | 102.00 | a | |||||||||||
1897 | 58.00 | 70.00 | 75.00 | 88.00 | 92.00 | 99.00 | 97.00 | 95.00 | 92.00 | 85.00 | 70.00 | 68.00 | l | 99.00 | l | |||||||||||
1898 | 54.00 | 71.00 | 73.00 | 90.00 | 92.00 | 99.00 | 98.00 | 98.00 | 90.00 | 82.00 | 74.00 | a | 54.00 | a | 99.00 | b | ||||||||||
1899 | 58.00 | 66.00 | 80.00 | a | 83.00 | 92.00 | 97.00 | 96.00 | 95.00 | 94.00 | 86.00 | 74.00 | 63.00 | 97.00 | a | |||||||||||
1900 | 64.00 | 70.00 | a | 81.00 | 81.00 | 95.00 | 100.00 | 101.00 | m | 95.00 | 89.00 | b | 80.00 | 72.00 | a | 60.00 | i | ----- | z | |||||||
1901 | 62.00 | a | 70.00 | b | 78.00 | g | 85.00 | b | 89.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 88.00 | a | 84.00 | 69.00 | 63.00 | ----- | z | |||
1939 | 54.00 | 53.00 | a | 73.00 | a | 80.00 | 89.00 | 99.00 | 98.00 | d | 93.00 | b | 95.00 | e | 80.00 | f | ----- | z | 67.00 | j | ----- | z | ||||
1940 | 61.00 | 69.00 | 79.00 | 85.00 | b | 88.00 | 94.00 | 97.00 | a | 95.00 | 87.00 | 83.00 | f | ----- | z | 64.00 | b | ----- | z | |||||||
1941 | 56.00 | 66.00 | 72.00 | a | 77.00 | 88.00 | 95.00 | a | 97.00 | a | 95.00 | 96.00 | 79.00 | b | 70.00 | f | 62.00 | f | 97.00 | q | ||||||
1942 | 64.00 | e | 66.00 | d | 73.00 | 79.00 | d | 90.00 | d | 97.00 | c | 102.00 | b | 97.00 | c | 92.00 | d | 86.00 | c | 73.00 | c | 74.00 | ----- | z | ||
1943 | 66.00 | a | 70.00 | 80.00 | a | 90.00 | 92.00 | 100.00 | c | 102.00 | b | 98.00 | a | 94.00 | c | 82.00 | c | 74.00 | a | 59.00 | a | 102.00 | p | |||
1944 | 58.00 | 65.00 | 73.00 | 80.00 | 88.00 | 98.00 | 99.00 | 100.00 | 92.00 | 85.00 | 74.00 | 59.00 | 100.00 | |||||||||||||
1945 | 61.00 | 70.00 | 73.00 | 85.00 | b | 90.00 | a | 96.00 | 99.00 | 99.00 | 98.00 | a | 83.00 | 73.00 | 62.00 | 99.00 | d | |||||||||
1946 | 65.00 | 71.00 | a | 85.00 | a | 86.00 | 86.00 | 99.00 | 99.00 | 97.00 | 93.00 | 79.00 | 67.00 | a | 66.00 | 99.00 | c | |||||||||
1947 | 64.00 | 67.00 | 80.00 | 83.00 | 95.00 | 96.00 | 102.00 | 99.00 | 95.00 | 91.00 | 73.00 | 59.00 | 102.00 | |||||||||||||
1948 | 63.00 | 68.00 | a | 72.00 | 88.00 | a | 92.00 | 97.00 | 100.00 | 98.00 | a | 99.00 | a | 82.00 | 73.00 | b | 63.00 | 100.00 | f | |||||||
1949 | 58.00 | b | 68.00 | 76.00 | 88.00 | 88.00 | 97.00 | 100.00 | 96.00 | 95.00 | 85.00 | 75.00 | 61.00 | 100.00 | b | |||||||||||
1950 | 69.00 | 73.00 | 77.00 | 87.00 | 93.00 | b | 100.00 | 96.00 | d | 95.00 | c | 95.00 | a | 90.00 | a | 77.00 | d | 68.00 | a | 100.00 | p | |||||
1951 | 65.00 | d | 69.00 | f | 73.00 | c | 81.00 | c | 99.00 | c | 100.00 | c | 102.00 | d | 101.00 | c | 94.00 | e | 84.00 | a | 72.00 | 65.00 | a | ----- | z | |
1952 | 69.00 | 66.00 | a | 73.00 | c | 81.00 | a | 90.00 | a | 98.00 | b | 100.00 | 99.00 | d | 95.00 | a | 85.00 | e | 71.00 | d | 58.00 | b | 100.00 | x | ||
1953 | 65.00 | 69.00 | c | 77.00 | d | 82.00 | a | 93.00 | 99.00 | e | 102.00 | 97.00 | 93.00 | ----- | z | 72.00 | e | 63.00 | ----- | z | ||||||
1954 | 67.00 | 75.00 | 80.00 | a | 88.00 | 92.00 | 104.00 | 103.00 | a | 101.00 | 95.00 | 88.00 | 73.00 | 68.00 | 104.00 | b | ||||||||||
1955 | 59.00 | 67.00 | a | 76.00 | 83.00 | 90.00 | 100.00 | 100.00 | 96.00 | u | 97.00 | 86.00 | 76.00 | a | 67.00 | 100.00 | w | |||||||||
1956 | 65.00 | 70.00 | 81.00 | 85.00 | a | 100.00 | 104.00 | 103.00 | 102.00 | 98.00 | 91.00 | 72.00 | 62.00 | 104.00 | a | |||||||||||
1957 | 63.00 | 73.00 | 74.00 | 81.00 | 90.00 | 104.00 | 109.00 | 98.00 | 94.00 | 88.00 | 64.00 | 62.00 | 109.00 | |||||||||||||
1958 | 62.00 | 73.00 | 72.00 | 86.00 | 98.00 | 103.00 | 107.00 | 104.00 | 97.00 | 83.00 | 74.00 | 72.00 | a | 107.00 | a | |||||||||||
1959 | 63.00 | 65.00 | 75.00 | 88.00 | 94.00 | 102.00 | 104.00 | 97.00 | 96.00 | 83.00 | 69.00 | 61.00 | 104.00 | |||||||||||||
1960 | 60.00 | 63.00 | 79.00 | 87.00 | 90.00 | 101.00 | 104.00 | 105.00 | 94.00 | 83.00 | 71.00 | 57.00 | 105.00 | |||||||||||||
1961 | 57.00 | 66.00 | 76.00 | 88.00 | 91.00 | 102.00 | 102.00 | 103.00 | 87.00 | 82.00 | 65.00 | 65.00 | 103.00 | |||||||||||||
1962 | 60.00 | 72.00 | 79.00 | 87.00 | 93.00 | 100.00 | 100.00 | 99.00 | 94.00 | 81.00 | 73.00 | 66.00 | 100.00 | |||||||||||||
1963 | 66.00 | 74.00 | 83.00 | 86.00 | 93.00 | 101.00 | 104.00 | 97.00 | 93.00 | 89.00 | 71.00 | 60.00 | 104.00 | |||||||||||||
1964 | 60.00 | 57.00 | 78.00 | 85.00 | 96.00 | 96.00 | 105.00 | 100.00 | 97.00 | 88.00 | 74.00 | 71.00 | 105.00 | |||||||||||||
1965 | 67.00 | 69.00 | 77.00 | 91.00 | 91.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.00 | ----- | z | ||||||
1966 | 56.00 | 59.00 | 82.00 | 83.00 | 90.00 | 97.00 | 102.00 | 101.00 | 93.00 | 80.00 | 71.00 | 65.00 | 102.00 | |||||||||||||
1967 | 67.00 | 71.00 | a | 78.00 | a | 81.00 | 90.00 | 98.00 | 99.00 | 94.00 | 92.00 | 85.00 | 73.00 | 53.00 | 99.00 | b | ||||||||||
1968 | 59.00 | 67.00 | a | 75.00 | 75.00 | 90.00 | 100.00 | 98.00 | a | 90.00 | 91.00 | 84.00 | 70.00 | 56.00 | 100.00 | b | ||||||||||
1969 | 64.00 | 66.00 | 79.00 | a | 84.00 | 92.00 | 100.00 | 99.00 | 98.00 | 91.00 | 84.00 | 67.00 | 63.00 | 100.00 | a | |||||||||||
1970 | 64.00 | 69.00 | 71.00 | 77.00 | 90.00 | 100.00 | 101.00 | 97.00 | 92.00 | 80.00 | 70.00 | 65.00 | 101.00 | |||||||||||||
1971 | 70.00 | 69.00 | 84.00 | 84.00 | 87.00 | 99.00 | 103.00 | 92.00 | 94.00 | 83.00 | 69.00 | 55.00 | 103.00 | |||||||||||||
1972 | 65.00 | 74.00 | 79.00 | 86.00 | 87.00 | 100.00 | 103.00 | 102.00 | 88.00 | 87.00 | 64.00 | 64.00 | 103.00 | |||||||||||||
1973 | 57.00 | 65.00 | 67.00 | 78.00 | 90.00 | 101.00 | c | 102.00 | 97.00 | 91.00 | 85.00 | 76.00 | 64.00 | 102.00 | c | |||||||||||
1974 | 59.00 | 68.00 | 82.00 | 84.00 | 93.00 | 103.00 | 98.00 | 96.00 | 97.00 | 82.00 | 71.00 | 57.00 | 103.00 | |||||||||||||
1975 | 70.00 | 64.00 | 72.00 | 80.00 | 86.00 | 97.00 | 97.00 | 96.00 | 94.00 | 84.00 | 75.00 | 62.00 | 97.00 | |||||||||||||
1976 | 61.00 | 73.00 | 78.00 | 82.00 | 90.00 | a | 97.00 | 96.00 | a | 95.00 | 93.00 | 81.00 | 72.00 | 53.00 | 97.00 | b | ||||||||||
1977 | 54.00 | 67.00 | 70.00 | 83.00 | 91.00 | 101.00 | 99.00 | 99.00 | 92.00 | 84.00 | a | 73.00 | 68.00 | 101.00 | a | |||||||||||
1978 | 59.00 | 66.00 | 78.00 | 84.00 | 91.00 | 102.00 | 103.00 | 99.00 | 90.00 | 88.00 | 82.00 | c | 59.00 | 103.00 | c | |||||||||||
1979 | 52.00 | 70.00 | a | 73.00 | 82.00 | 86.00 | 101.00 | 105.00 | 99.00 | c | 98.00 | 90.00 | 70.00 | 65.00 | 105.00 | d | ||||||||||
1980 | 62.00 | 71.00 | a | 71.00 | 84.00 | a | 88.00 | d | 103.00 | 105.00 | 101.00 | 94.00 | 93.00 | a | 80.00 | b | 65.00 | b | 105.00 | k | ||||||
1981 | 62.00 | b | 72.00 | a | 79.00 | a | 94.00 | c | 93.00 | a | 106.00 | b | 106.00 | 100.00 | b | 95.00 | a | 78.00 | c | ----- | z | 68.00 | a | ----- | z | |
1982 | 63.00 | c | ----- | z | ----- | z | 92.00 | c | 93.00 | v | 99.00 | l | 104.00 | f | 96.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 61.72 | 68.21 | 76.56 | 84.22 | 91.24 | 99.52 | 100.72 | 97.72 | 93.51 | 84.24 | 71.87 | 62.41 | 101.84 | |||||||||||||
S.D. | 4.37 | 4.27 | 4.08 | 3.98 | 3.26 | 2.77 | 3.28 | 3.11 | 2.87 | 3.66 | 3.65 | 4.86 | 2.86 | |||||||||||||
SKEW | -0.11 | -1.30 | -0.02 | 0.05 | 0.74 | -0.05 | 0.24 | 0.04 | -0.42 | 0.35 | 0.07 | 0.04 | 0.25 | |||||||||||||
MAX | 70.00 | 75.00 | 85.00 | 94.00 | 100.00 | 106.00 | 109.00 | 105.00 | 99.00 | 93.00 | 82.00 | 74.00 | 109.00 | |||||||||||||
MIN | 52.00 | 53.00 | 67.00 | 75.00 | 86.00 | 93.00 | 94.00 | 90.00 | 87.00 | 78.00 | 64.00 | 53.00 | 97.00 | |||||||||||||
YRS | 50 | 48 | 48 | 50 | 49 | 48 | 47 | 47 | 49 | 46 | 45 | 46 | 32 |