YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.00 | a | 82.00 | 68.00 | a | ----- | z | |
1913 | 70.00 | 72.00 | 88.00 | 89.00 | c | 97.00 | h | 99.00 | s | 109.00 | a | ----- | z | ----- | z | 93.00 | h | 84.00 | 69.00 | ----- | z | |||||
1914 | 75.00 | 75.00 | 88.00 | 95.00 | 99.00 | 105.00 | ----- | z | ----- | z | 98.00 | r | 90.00 | i | 82.00 | a | 64.00 | g | ----- | z | ||||||
1915 | 68.00 | c | 72.00 | a | 82.00 | c | 87.00 | 96.00 | 104.00 | 105.00 | 106.00 | x | 95.00 | q | 91.00 | 88.00 | 73.00 | ----- | z | |||||||
1916 | 69.00 | 78.00 | 90.00 | a | 92.00 | 97.00 | d | 105.00 | 106.00 | c | ----- | 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 | 70.00 | f | 75.00 | 84.00 | 90.00 | 100.00 | 105.00 | a | 102.00 | 109.00 | a | 98.00 | 87.00 | 80.00 | 76.00 | 109.00 | h | |||||||||
1942 | 74.00 | 74.00 | 85.00 | 88.00 | 99.00 | 107.00 | 108.00 | 106.00 | 101.00 | 95.00 | 84.00 | 77.00 | 108.00 | |||||||||||||
1943 | 74.00 | 82.00 | a | 90.00 | 101.00 | a | 102.00 | 106.00 | 108.00 | 101.00 | f | 104.00 | 91.00 | 86.00 | 71.00 | 108.00 | h | |||||||||
1944 | 73.00 | 76.00 | 81.00 | 87.00 | 100.00 | 103.00 | 108.00 | 110.00 | 108.00 | 97.00 | 86.00 | 70.00 | 110.00 | |||||||||||||
1945 | 77.00 | 80.00 | 85.00 | 96.00 | 97.00 | 107.00 | 108.00 | 106.00 | 106.00 | 92.00 | 90.00 | 76.00 | a | 108.00 | a | |||||||||||
1946 | 73.00 | 85.00 | 88.00 | a | 98.00 | 97.00 | a | 111.00 | 106.00 | 106.00 | 103.00 | 90.00 | b | 81.00 | a | 77.00 | 111.00 | e | ||||||||
1947 | 78.00 | 85.00 | 85.00 | a | 91.00 | a | 106.00 | b | 105.00 | a | 109.00 | a | 103.00 | 108.00 | 97.00 | 85.00 | a | 70.00 | a | 109.00 | h | |||||
1948 | 76.00 | a | 80.00 | b | 80.00 | 98.00 | a | 100.00 | 109.00 | 111.00 | a | 107.00 | 112.00 | 94.00 | 80.00 | 72.00 | 112.00 | e | ||||||||
1949 | 68.00 | 80.00 | 85.00 | 97.00 | 102.00 | 109.00 | 108.00 | 110.00 | 106.00 | 97.00 | 86.00 | 78.00 | 110.00 | |||||||||||||
1950 | 75.00 | 80.00 | 90.00 | b | 97.00 | 98.00 | 110.00 | 107.00 | 109.00 | 107.00 | 100.00 | ----- | z | 80.00 | ----- | z | ||||||||||
1951 | 78.00 | 82.00 | 85.00 | 90.00 | 110.00 | 107.00 | 109.00 | 108.00 | 101.00 | 91.00 | 78.00 | 75.00 | 110.00 | |||||||||||||
1952 | 70.00 | 75.00 | 77.00 | 89.00 | 97.00 | 110.00 | 108.00 | h | 108.00 | 108.00 | 98.00 | g | 85.00 | a | 70.00 | d | 110.00 | t | ||||||||
1953 | 75.00 | 80.00 | j | 85.00 | 93.00 | 98.00 | 110.00 | 110.00 | a | 105.00 | 102.00 | 95.00 | 87.00 | 70.00 | b | 110.00 | m | |||||||||
1954 | 72.00 | 80.00 | 83.00 | 93.00 | a | 96.00 | 110.00 | 110.00 | b | 102.00 | a | 103.00 | 100.00 | 85.00 | b | 76.00 | a | 110.00 | g | |||||||
1955 | 70.00 | 80.00 | 81.00 | 90.00 | 100.00 | b | 110.00 | 108.00 | 100.00 | b | 103.00 | 98.00 | a | 83.00 | 76.00 | 110.00 | e | |||||||||
1956 | 76.00 | b | 76.00 | b | 89.00 | 90.00 | a | 104.00 | 110.00 | 110.00 | 107.00 | 107.00 | 96.00 | a | 80.00 | a | 72.00 | 110.00 | g | |||||||
1957 | 70.00 | 86.00 | a | 85.00 | 90.00 | 97.00 | 109.00 | a | 110.00 | 105.00 | a | 103.00 | 96.00 | 75.00 | 70.00 | a | 110.00 | d | ||||||||
1958 | 71.00 | 76.00 | 73.00 | 94.00 | 109.00 | 106.00 | 113.00 | 104.00 | 103.00 | 90.00 | a | 84.00 | 80.00 | 113.00 | a | |||||||||||
1959 | 75.00 | 76.00 | 82.00 | 95.00 | 100.00 | 108.00 | 105.00 | 104.00 | 104.00 | 95.00 | 75.00 | 72.00 | 108.00 | |||||||||||||
1960 | 70.00 | a | 73.00 | a | 88.00 | 93.00 | 103.00 | 114.00 | 107.00 | 107.00 | 102.00 | a | 97.00 | 83.00 | 70.00 | 114.00 | c | |||||||||
1961 | 71.00 | 78.00 | 85.00 | 95.00 | b | 98.00 | 109.00 | a | 109.00 | 105.00 | 97.00 | 93.00 | 74.00 | 75.00 | 109.00 | c | ||||||||||
1962 | 72.00 | 79.00 | 85.00 | 96.00 | 92.00 | v | 107.00 | 106.00 | 108.00 | 104.00 | 92.00 | 84.00 | 71.00 | 108.00 | v | |||||||||||
1963 | 74.00 | 84.00 | 83.00 | 91.00 | 100.00 | 107.00 | 109.00 | 101.00 | 102.00 | 96.00 | 81.00 | 71.00 | 109.00 | |||||||||||||
1964 | 70.00 | 70.00 | 88.00 | 93.00 | 101.00 | 106.00 | 109.00 | 108.00 | 102.00 | d | 96.00 | 82.00 | 70.00 | 109.00 | d | |||||||||||
1965 | 73.00 | 76.00 | 85.00 | 96.00 | 99.00 | 104.00 | 109.00 | 107.00 | a | 100.00 | 100.00 | 86.00 | 73.00 | a | 109.00 | b | ||||||||||
1966 | 67.00 | 71.00 | 87.00 | 93.00 | 100.00 | 107.00 | a | 110.00 | a | 107.00 | a | 98.00 | c | 91.00 | 82.00 | a | 85.00 | 110.00 | g | |||||||
1967 | 75.00 | 78.00 | a | 89.00 | 87.00 | 100.00 | a | 106.00 | 110.00 | 104.00 | c | 99.00 | 94.00 | 83.00 | b | 67.00 | 110.00 | g | ||||||||
1968 | 69.00 | 81.00 | 85.00 | 87.00 | b | 102.00 | 111.00 | a | 107.00 | 100.00 | a | 104.00 | 91.00 | 78.00 | 70.00 | 111.00 | d | |||||||||
1969 | 72.00 | 72.00 | 89.00 | 94.00 | a | 105.00 | 111.00 | 112.00 | f | 109.00 | 102.00 | d | 95.00 | e | 80.00 | a | 74.00 | c | 112.00 | t | ||||||
1970 | 79.00 | a | 77.00 | 80.00 | 85.00 | 103.00 | e | 115.00 | j | 112.00 | h | ----- | z | 94.00 | r | 87.00 | 82.00 | b | 73.00 | ----- | z | |||||
1971 | 89.00 | b | 84.00 | a | 91.00 | c | 92.00 | j | 94.00 | h | ----- | z | ----- | z | 104.00 | 105.00 | 99.00 | b | 91.00 | 85.00 | a | ----- | z | |||
1972 | 82.00 | 86.00 | b | 90.00 | m | 94.00 | a | 97.00 | 109.00 | a | 112.00 | p | 109.00 | b | 99.00 | b | 96.00 | ----- | z | 71.00 | ----- | z | ||||
1973 | 66.00 | 71.00 | 70.00 | ----- | z | 97.00 | ----- | z | 109.00 | a | 103.00 | 103.00 | 89.00 | 80.00 | e | 66.00 | h | ----- | z | |||||||
1974 | 65.00 | b | 76.00 | j | 83.00 | c | 87.00 | a | 104.00 | f | 110.00 | f | 106.00 | 102.00 | 104.00 | 92.00 | m | ----- | z | 62.00 | p | ----- | z | |||
1975 | 70.00 | g | 78.00 | c | 80.00 | b | 85.00 | c | 98.00 | a | 103.00 | 106.00 | 106.00 | a | 98.00 | a | 91.00 | m | 82.00 | c | 68.00 | k | ----- | z | ||
1976 | 68.00 | d | 75.00 | 84.00 | j | 92.00 | ----- | z | 110.00 | 110.00 | 108.00 | a | 100.00 | 90.00 | d | 80.00 | 67.00 | ----- | z | |||||||
1977 | 67.00 | 82.00 | 76.00 | 89.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 72.72 | 77.95 | 84.23 | 91.97 | 100.20 | 107.71 | 108.15 | 105.79 | 103.03 | 93.89 | 82.54 | 73.33 | 109.86 | |||||||||||||
S.D. | 4.68 | 4.44 | 4.69 | 3.92 | 3.44 | 2.62 | 2.11 | 2.79 | 3.38 | 3.72 | 3.82 | 4.43 | 1.79 | |||||||||||||
SKEW | 1.09 | 0.10 | -1.04 | 0.12 | 1.19 | 0.06 | -0.53 | -0.47 | 0.36 | -0.13 | -0.14 | 0.98 | 1.14 | |||||||||||||
MAX | 89.00 | 86.00 | 91.00 | 101.00 | 110.00 | 114.00 | 113.00 | 110.00 | 112.00 | 100.00 | 91.00 | 85.00 | 114.00 | |||||||||||||
MIN | 65.00 | 70.00 | 70.00 | 85.00 | 96.00 | 103.00 | 102.00 | 100.00 | 97.00 | 87.00 | 74.00 | 67.00 | 108.00 | |||||||||||||
YRS | 39 | 39 | 39 | 39 | 35 | 35 | 34 | 34 | 35 | 35 | 37 | 36 | 14 |