YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1917 | 59.00 | e | 75.00 | 85.00 | 94.00 | 90.00 | 110.00 | 109.00 | 105.00 | 108.00 | 99.00 | b | 78.00 | d | 72.00 | h | 110.00 | s | ||||||||
1918 | 72.00 | c | 78.00 | 88.00 | 88.00 | 96.00 | 106.00 | 107.00 | 108.00 | 100.00 | 88.00 | ----- | 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 | 76.00 | 78.00 | 82.00 | 93.00 | a | 93.00 | 104.00 | 110.00 | 107.00 | 108.00 | 94.00 | 83.00 | 69.00 | 110.00 | a | |||||||||||
1946 | 73.00 | 74.00 | 80.00 | 94.00 | 93.00 | 99.00 | 104.00 | 110.00 | 100.00 | 87.00 | 73.00 | 71.00 | 110.00 | |||||||||||||
1947 | 72.00 | a | 77.00 | 86.00 | a | 96.00 | 102.00 | a | 102.00 | a | 110.00 | 107.00 | a | 108.00 | a | 100.00 | 75.00 | 70.00 | a | 110.00 | g | |||||
1948 | 79.00 | 75.00 | a | 74.00 | 94.00 | 96.00 | a | 110.00 | 108.00 | 109.00 | 110.00 | 95.00 | 78.00 | 73.00 | 110.00 | b | ||||||||||
1949 | 57.00 | h | 75.00 | 76.00 | 98.00 | 99.00 | 105.00 | 108.00 | 106.00 | 106.00 | 95.00 | l | 90.00 | 76.00 | 108.00 | t | ||||||||||
1950 | 75.00 | 80.00 | 85.00 | 97.00 | 102.00 | 110.00 | 109.00 | 113.00 | 112.00 | 97.00 | 88.00 | 77.00 | a | 113.00 | a | |||||||||||
1951 | 78.00 | 81.00 | 84.00 | 92.00 | 105.00 | 106.00 | 107.00 | 110.00 | 107.00 | 95.00 | d | 82.00 | 62.00 | 110.00 | d | |||||||||||
1952 | 68.00 | 73.00 | 78.00 | 86.00 | 100.00 | 98.00 | 105.00 | 105.00 | 104.00 | 99.00 | 80.00 | 70.00 | 105.00 | |||||||||||||
1953 | 76.00 | 78.00 | 85.00 | 93.00 | a | 87.00 | 104.00 | 107.00 | 106.00 | 105.00 | 97.00 | 83.00 | 69.00 | 107.00 | a | |||||||||||
1954 | 67.00 | c | 81.00 | 79.00 | 96.00 | 103.00 | 111.00 | 106.00 | 108.00 | 99.00 | 97.00 | 81.00 | 65.00 | 111.00 | c | |||||||||||
1955 | 62.00 | a | 80.00 | 80.00 | 84.00 | 96.00 | 104.00 | 106.00 | 108.00 | 110.00 | 94.00 | g | 86.00 | 72.00 | 110.00 | h | ||||||||||
1956 | 72.00 | 72.00 | 86.00 | 89.00 | 97.00 | 111.00 | 106.00 | 106.00 | 103.00 | 94.00 | 79.00 | 68.00 | 111.00 | |||||||||||||
1957 | 64.00 | 79.00 | 81.00 | a | 84.00 | a | 96.00 | 107.00 | 105.00 | 105.00 | 101.00 | 82.00 | 70.00 | 70.00 | 107.00 | b | ||||||||||
1958 | 69.00 | 75.00 | 68.00 | 86.00 | 97.00 | 104.00 | 109.00 | 105.00 | 104.00 | 96.00 | 84.00 | 85.00 | 109.00 | |||||||||||||
1959 | 75.00 | a | 74.00 | 80.00 | 94.00 | 93.00 | a | 106.00 | 110.00 | 105.00 | 101.00 | 96.00 | 80.00 | 73.00 | 110.00 | b | ||||||||||
1960 | 71.00 | 76.00 | 84.00 | 92.00 | 102.00 | 107.00 | 114.00 | 107.00 | 104.00 | 91.00 | 90.00 | 69.00 | 114.00 | |||||||||||||
1961 | 72.00 | 78.00 | 82.00 | 96.00 | 89.00 | 113.00 | 112.00 | 106.00 | 98.00 | 93.00 | 77.00 | 66.00 | 113.00 | |||||||||||||
1962 | 76.00 | 72.00 | 82.00 | 92.00 | 92.00 | 102.00 | 105.00 | 108.00 | 101.00 | 95.00 | 83.00 | 72.00 | 108.00 | |||||||||||||
1963 | 69.00 | 80.00 | 76.00 | 84.00 | 94.00 | 99.00 | 103.00 | 103.00 | 101.00 | 98.00 | 77.00 | 70.00 | 103.00 | |||||||||||||
1964 | 68.00 | 71.00 | 81.00 | 89.00 | 93.00 | 105.00 | 107.00 | 105.00 | 98.00 | 99.00 | 74.00 | 69.00 | 107.00 | |||||||||||||
1965 | 75.00 | 77.00 | 76.00 | 90.00 | 93.00 | 97.00 | 102.00 | 105.00 | 97.00 | 98.00 | 82.00 | 64.00 | 105.00 | |||||||||||||
1966 | 73.00 | 66.00 | 91.00 | 93.00 | 96.00 | 105.00 | 103.00 | 109.00 | 101.00 | 91.00 | 86.00 | 68.00 | 109.00 | |||||||||||||
1967 | 74.00 | 75.00 | 80.00 | 73.00 | 101.00 | 105.00 | 106.00 | 106.00 | 96.00 | 94.00 | 85.00 | 66.00 | 106.00 | |||||||||||||
1968 | 71.00 | 78.00 | 84.00 | 87.00 | 97.00 | 103.00 | 105.00 | 102.00 | 103.00 | 86.00 | 79.00 | 67.00 | 105.00 | |||||||||||||
1969 | 80.00 | 63.00 | 87.00 | 86.00 | 99.00 | 99.00 | 105.00 | 107.00 | 104.00 | 93.00 | 81.00 | 73.00 | 107.00 | |||||||||||||
1970 | 74.00 | 75.00 | 83.00 | 84.00 | 96.00 | 105.00 | 107.00 | 107.00 | 102.00 | 93.00 | 78.00 | 70.00 | 107.00 | |||||||||||||
1971 | 80.00 | 82.00 | 84.00 | 86.00 | 90.00 | 100.00 | 106.00 | 107.00 | 107.00 | 96.00 | 82.00 | 61.00 | 107.00 | |||||||||||||
1972 | 68.00 | 80.00 | 87.00 | 87.00 | 97.00 | 109.00 | 111.00 | 105.00 | 99.00 | 84.00 | y | ----- | z | ----- | z | ----- | z | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 72.00 | 75.93 | 81.80 | 89.90 | 96.13 | 104.87 | 107.07 | 106.67 | 103.23 | 94.19 | 80.86 | 69.81 | 108.50 | |||||||||||||
S.D. | 5.08 | 4.27 | 4.74 | 5.40 | 4.42 | 4.19 | 2.77 | 2.20 | 4.18 | 4.38 | 4.87 | 4.82 | 2.81 | |||||||||||||
SKEW | -0.61 | -1.17 | -0.72 | -0.89 | 0.01 | -0.04 | 0.45 | 0.57 | 0.27 | -1.08 | -0.06 | 0.91 | 0.13 | |||||||||||||
MAX | 80.00 | 82.00 | 91.00 | 98.00 | 105.00 | 113.00 | 114.00 | 113.00 | 112.00 | 100.00 | 90.00 | 85.00 | 114.00 | |||||||||||||
MIN | 59.00 | 63.00 | 68.00 | 73.00 | 87.00 | 97.00 | 102.00 | 102.00 | 96.00 | 82.00 | 70.00 | 61.00 | 103.00 | |||||||||||||
YRS | 29 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 30 | 27 | 28 | 27 | 24 |