YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | 79.00 | 82.00 | 84.00 | 86.00 | 87.00 | 88.00 | 90.00 | 89.00 | 89.00 | 87.00 | 87.00 | 84.00 | 90.00 | |||||||||||||
1906 | 83.00 | 84.00 | 82.00 | 86.00 | 87.00 | 89.00 | 90.00 | 90.00 | 91.00 | 90.00 | 87.00 | 82.00 | 91.00 | |||||||||||||
1907 | 82.00 | 82.00 | 80.00 | 84.00 | 86.00 | 90.00 | 90.00 | 90.00 | 91.00 | 89.00 | 86.00 | 85.00 | 91.00 | |||||||||||||
1908 | 82.00 | 82.00 | 82.00 | 84.00 | 86.00 | 89.00 | 88.00 | 89.00 | 89.00 | 90.00 | 87.00 | 84.00 | 90.00 | |||||||||||||
1909 | 80.00 | 82.00 | 81.00 | 84.00 | 86.00 | 88.00 | 89.00 | a | 89.00 | 88.00 | 88.00 | 87.00 | b | 84.00 | 89.00 | c | ||||||||||
1910 | 84.00 | 84.00 | 84.00 | 85.00 | 87.00 | 87.00 | 89.00 | 89.00 | 90.00 | 88.00 | 86.00 | 84.00 | 90.00 | |||||||||||||
1911 | 81.00 | 80.00 | 82.00 | 85.00 | 87.00 | 87.00 | 90.00 | 91.00 | 91.00 | 87.00 | 88.00 | 85.00 | 91.00 | |||||||||||||
1912 | 83.00 | 83.00 | 82.00 | 84.00 | 87.00 | 88.00 | 91.00 | 91.00 | 89.00 | 89.00 | 86.00 | 87.00 | 91.00 | |||||||||||||
1913 | 84.00 | 83.00 | 85.00 | 86.00 | 87.00 | 89.00 | 90.00 | 90.00 | 91.00 | 90.00 | 89.00 | 84.00 | 91.00 | |||||||||||||
1914 | 83.00 | 85.00 | 84.00 | 86.00 | 88.00 | 89.00 | 91.00 | 90.00 | 90.00 | 88.00 | 87.00 | 85.00 | a | 91.00 | a | |||||||||||
1915 | 83.00 | 86.00 | 85.00 | 87.00 | 88.00 | 91.00 | 91.00 | 92.00 | 91.00 | 89.00 | 86.00 | 82.00 | 92.00 | |||||||||||||
1916 | 81.00 | 83.00 | 84.00 | 87.00 | 88.00 | 88.00 | 89.00 | 90.00 | 89.00 | 88.00 | 86.00 | 84.00 | 90.00 | |||||||||||||
1917 | 83.00 | a | 82.00 | 82.00 | 84.00 | 86.00 | 89.00 | 91.00 | 90.00 | 91.00 | 89.00 | 88.00 | 84.00 | 91.00 | a | |||||||||||
1918 | 84.00 | 82.00 | 81.00 | 82.00 | 89.00 | a | 90.00 | 91.00 | 92.00 | 91.00 | 90.00 | 89.00 | 84.00 | 92.00 | a | |||||||||||
1919 | 84.00 | 85.00 | 84.00 | 86.00 | 88.00 | 89.00 | 90.00 | 92.00 | 90.00 | 89.00 | 87.00 | 86.00 | 92.00 | |||||||||||||
1920 | 83.00 | 85.00 | 86.00 | 85.00 | 88.00 | 89.00 | 89.00 | 89.00 | 89.00 | 88.00 | 86.00 | 85.00 | 89.00 | |||||||||||||
1921 | 83.00 | 82.00 | 88.00 | 89.00 | 89.00 | 91.00 | 89.00 | 90.00 | 90.00 | 88.00 | 87.00 | 89.00 | 91.00 | |||||||||||||
1922 | 85.00 | 83.00 | 86.00 | 87.00 | 88.00 | 90.00 | 91.00 | 91.00 | 90.00 | 89.00 | 87.00 | 86.00 | 91.00 | |||||||||||||
1923 | 85.00 | 82.00 | 84.00 | 84.00 | 86.00 | 88.00 | 90.00 | 91.00 | 91.00 | 92.00 | 87.00 | 86.00 | 92.00 | |||||||||||||
1924 | 82.00 | 83.00 | 84.00 | 83.00 | 89.00 | 89.00 | 88.00 | 89.00 | 90.00 | 88.00 | a | 86.00 | 85.00 | a | 90.00 | b | ||||||||||
1925 | 83.00 | 85.00 | 84.00 | 86.00 | 86.00 | 88.00 | 89.00 | 90.00 | 90.00 | 88.00 | 88.00 | 86.00 | 90.00 | |||||||||||||
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 | 87.00 | a | 86.00 | a | 83.00 | ----- | z | |
1950 | 82.00 | f | 83.00 | 87.00 | 83.00 | a | 85.00 | a | 87.00 | 88.00 | 89.00 | 89.00 | 89.00 | a | 87.00 | 83.00 | 89.00 | i | ||||||||
1951 | 84.00 | 83.00 | 84.00 | 84.00 | 86.00 | 87.00 | 90.00 | 89.00 | 89.00 | 90.00 | 86.00 | a | 85.00 | 90.00 | a | |||||||||||
1952 | 82.00 | 83.00 | 87.00 | 84.00 | 85.00 | e | 87.00 | 89.00 | 90.00 | 91.00 | 89.00 | 88.00 | a | 84.00 | 91.00 | f | ||||||||||
1953 | 84.00 | 86.00 | 84.00 | 89.00 | 88.00 | 89.00 | 89.00 | 90.00 | 89.00 | a | 89.00 | a | 87.00 | 85.00 | 90.00 | b | ||||||||||
1954 | 83.00 | 84.00 | 84.00 | 87.00 | 88.00 | 89.00 | 89.00 | 90.00 | 90.00 | 91.00 | 89.00 | 88.00 | 91.00 | |||||||||||||
1955 | 85.00 | 83.00 | 81.00 | 83.00 | 84.00 | 85.00 | 86.00 | 87.00 | 89.00 | 87.00 | 86.00 | 85.00 | 89.00 | |||||||||||||
1956 | 82.00 | 82.00 | 85.00 | 85.00 | 87.00 | 87.00 | 89.00 | 89.00 | 90.00 | 88.00 | 87.00 | 83.00 | 90.00 | |||||||||||||
1957 | 85.00 | 81.00 | 82.00 | 86.00 | 88.00 | a | 89.00 | 90.00 | 90.00 | 90.00 | 89.00 | 88.00 | 84.00 | 90.00 | a | |||||||||||
1958 | 85.00 | 84.00 | 83.00 | 84.00 | a | 87.00 | 89.00 | 89.00 | 90.00 | 92.00 | 90.00 | 89.00 | 84.00 | 92.00 | a | |||||||||||
1959 | 83.00 | a | 83.00 | 86.00 | 86.00 | 88.00 | 90.00 | 92.00 | 90.00 | 90.00 | 89.00 | 88.00 | 85.00 | 92.00 | a | |||||||||||
1960 | 84.00 | 84.00 | 84.00 | 87.00 | 88.00 | a | 89.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 83.03 | 83.16 | 83.78 | 85.25 | 87.09 | 88.55 | 89.58 | 89.94 | 90.00 | 88.81 | 87.13 | 84.69 | 90.66 | |||||||||||||
S.D. | 1.47 | 1.39 | 1.93 | 1.68 | 1.23 | 1.31 | 1.20 | 1.06 | 0.93 | 1.18 | 1.01 | 1.51 | 0.94 | |||||||||||||
SKEW | -0.76 | 0.23 | 0.12 | 0.34 | -0.50 | -0.38 | -0.54 | -0.04 | 0.00 | 0.49 | 0.52 | 0.77 | -0.06 | |||||||||||||
MAX | 85.00 | 86.00 | 88.00 | 89.00 | 89.00 | 91.00 | 92.00 | 92.00 | 92.00 | 92.00 | 89.00 | 89.00 | 92.00 | |||||||||||||
MIN | 79.00 | 80.00 | 80.00 | 82.00 | 84.00 | 85.00 | 86.00 | 87.00 | 88.00 | 87.00 | 86.00 | 82.00 | 89.00 | |||||||||||||
YRS | 31 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 29 |