YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 82.00 | ----- | z | |
1952 | 79.00 | 77.00 | 81.00 | 89.00 | 99.00 | 107.00 | 101.00 | 104.00 | 101.00 | 93.00 | 88.00 | 72.00 | 107.00 | |||||||||||||
1953 | 80.00 | 80.00 | h | 87.00 | 92.00 | 103.00 | 109.00 | 105.00 | 103.00 | 101.00 | 93.00 | 77.00 | 73.00 | 109.00 | h | |||||||||||
1954 | 76.00 | 81.00 | 87.00 | 94.00 | 97.00 | 105.00 | 107.00 | 100.00 | 98.00 | 94.00 | 83.00 | 80.00 | 107.00 | |||||||||||||
1955 | 71.00 | 75.00 | 83.00 | 91.00 | 95.00 | 105.00 | 102.00 | 100.00 | 98.00 | 91.00 | 83.00 | 79.00 | 105.00 | |||||||||||||
1956 | 75.00 | 80.00 | 85.00 | 92.00 | 103.00 | 103.00 | 105.00 | 102.00 | 102.00 | 95.00 | 82.00 | 72.00 | 105.00 | |||||||||||||
1957 | 79.00 | 85.00 | 84.00 | 90.00 | 92.00 | 108.00 | 108.00 | 103.00 | 99.00 | 91.00 | 75.00 | 74.00 | 108.00 | |||||||||||||
1958 | 73.00 | 79.00 | 77.00 | 92.00 | 102.00 | 106.00 | 110.00 | 102.00 | 98.00 | 88.00 | 78.00 | 81.00 | 110.00 | |||||||||||||
1959 | 75.00 | a | 80.00 | 82.00 | 95.00 | 95.00 | 103.00 | 100.00 | 105.00 | 102.00 | 94.00 | 77.00 | 71.00 | 105.00 | a | |||||||||||
1960 | 70.00 | 76.00 | 87.00 | 93.00 | 100.00 | 110.00 | 108.00 | 100.00 | 100.00 | 92.00 | 82.00 | 66.00 | 110.00 | |||||||||||||
1961 | 68.00 | 82.00 | 83.00 | 92.00 | 99.00 | 103.00 | a | 103.00 | 101.00 | a | 97.00 | 91.00 | 74.00 | 73.00 | a | 103.00 | c | |||||||||
1962 | 73.00 | 85.00 | 86.00 | 94.00 | 102.00 | 102.00 | 103.00 | 103.00 | 97.00 | 91.00 | a | 79.00 | 75.00 | 103.00 | a | |||||||||||
1963 | 77.00 | 82.00 | 90.00 | b | 93.00 | 99.00 | 103.00 | 105.00 | 100.00 | 96.00 | 87.00 | 82.00 | a | 70.00 | b | 105.00 | e | |||||||||
1964 | 72.00 | 70.00 | 79.00 | 92.00 | 102.00 | 102.00 | 106.00 | 103.00 | 100.00 | c | 90.00 | 84.00 | g | 78.00 | a | 106.00 | k | |||||||||
1965 | 75.00 | 77.00 | 81.00 | e | 100.00 | 99.00 | 101.00 | 104.00 | 102.00 | 98.00 | 93.00 | 82.00 | b | 74.00 | 104.00 | g | ||||||||||
1966 | 71.00 | 71.00 | 84.00 | d | 87.00 | 97.00 | 101.00 | 104.00 | 107.00 | b | 94.00 | 88.00 | a | 77.00 | n | 77.00 | b | 107.00 | w | |||||||
1967 | 80.00 | a | 80.00 | g | 93.00 | 93.00 | 99.00 | 101.00 | 102.00 | 102.00 | 98.00 | 93.00 | 81.00 | m | 74.00 | j | ----- | z | ||||||||
1968 | 70.00 | 77.00 | 83.00 | c | 86.00 | 98.00 | 108.00 | 100.00 | 99.00 | 95.00 | 94.00 | b | 81.00 | c | 72.00 | 108.00 | h | |||||||||
1969 | 78.00 | 77.00 | j | 81.00 | 91.00 | 101.00 | 107.00 | 104.00 | 106.00 | 95.00 | a | 95.00 | 80.00 | a | 77.00 | a | 107.00 | m | ||||||||
1970 | 70.00 | j | 81.00 | a | 79.00 | d | 88.00 | d | 96.00 | 105.00 | 105.00 | 102.00 | 100.00 | 88.00 | 80.00 | h | 80.00 | a | ----- | z | ||||||
1971 | 82.00 | c | 78.00 | e | 91.00 | 94.00 | 96.00 | 99.00 | 107.00 | 90.00 | l | 97.00 | 87.00 | 80.00 | d | 72.00 | 107.00 | x | ||||||||
1972 | 78.00 | g | 84.00 | b | 89.00 | c | 95.00 | 96.00 | 105.00 | 103.00 | 107.00 | 96.00 | c | 93.00 | 76.00 | k | ----- | z | ----- | z | ||||||
1973 | 70.00 | a | 75.00 | a | 78.00 | d | 86.00 | 99.00 | a | 105.00 | 105.00 | 103.00 | 100.00 | 95.00 | 85.00 | p | 80.00 | c | ----- | z | ||||||
1974 | 80.00 | 78.00 | k | 88.00 | a | 93.00 | i | 104.00 | c | 105.00 | 104.00 | 99.00 | 98.00 | a | 87.00 | 79.00 | c | 73.00 | c | ----- | z | |||||
1975 | 80.00 | d | 75.00 | 84.00 | 90.00 | c | 93.00 | 103.00 | 96.00 | 99.00 | 95.00 | 92.00 | 86.00 | k | 77.00 | j | ----- | z | ||||||||
1976 | 74.00 | 84.00 | 85.00 | a | 90.00 | 97.00 | 103.00 | 98.00 | 102.00 | 93.00 | 85.00 | d | 75.00 | a | 69.00 | j | 103.00 | p | ||||||||
1977 | 68.00 | 88.00 | 80.00 | f | 87.00 | 100.00 | 108.00 | ----- | z | 103.00 | q | 100.00 | 98.00 | 81.00 | g | 80.00 | ----- | z | ||||||||
1978 | 72.00 | 75.00 | c | 83.00 | g | 94.00 | 100.00 | 110.00 | 107.00 | 104.00 | b | 96.00 | 88.00 | 77.00 | g | 75.00 | 110.00 | s | ||||||||
1979 | 70.00 | 67.00 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 74.54 | 79.00 | 84.28 | 91.54 | 98.63 | 104.70 | 103.92 | 102.32 | 97.93 | 91.33 | 79.83 | 75.25 | 106.30 | |||||||||||||
S.D. | 4.23 | 4.58 | 4.12 | 3.20 | 3.07 | 2.95 | 3.20 | 2.32 | 2.43 | 3.19 | 3.50 | 4.11 | 2.54 | |||||||||||||
SKEW | 0.13 | -0.03 | 0.20 | 0.20 | -0.24 | 0.16 | -0.50 | 0.42 | -0.11 | -0.15 | 0.24 | -0.11 | 0.20 | |||||||||||||
MAX | 82.00 | 88.00 | 93.00 | 100.00 | 104.00 | 110.00 | 110.00 | 107.00 | 102.00 | 98.00 | 88.00 | 82.00 | 110.00 | |||||||||||||
MIN | 68.00 | 70.00 | 77.00 | 86.00 | 92.00 | 99.00 | 96.00 | 99.00 | 93.00 | 85.00 | 74.00 | 66.00 | 103.00 | |||||||||||||
YRS | 26 | 23 | 25 | 26 | 27 | 27 | 26 | 25 | 27 | 27 | 18 | 24 | 10 |