YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | 56.71 | 58.18 | 60.87 | 64.40 | 66.35 | 67.83 | 70.13 | 71.29 | 70.13 | 68.39 | 67.03 | 63.84 | 65.43 | |||||||||||||
1906 | 62.55 | 61.79 | 60.65 | 65.23 | 67.48 | 70.10 | 70.52 | 71.48 | 70.43 | 69.84 | 66.60 | 65.68 | 66.86 | |||||||||||||
1907 | 65.23 | 62.96 | 63.23 | 62.53 | 65.77 | 69.07 | 69.68 | 71.61 | 70.77 | 68.10 | 67.00 | 64.39 | 66.69 | |||||||||||||
1908 | 61.61 | 62.62 | 64.61 | 64.27 | 66.71 | 67.33 | 68.77 | 69.52 | 68.83 | 67.68 | 64.37 | 64.71 | 65.92 | |||||||||||||
1909 | 61.61 | 61.46 | 63.03 | 63.33 | 65.87 | 68.33 | 69.39 | 68.50 | a | 67.97 | 67.45 | 66.41 | c | 64.87 | 65.69 | |||||||||||
1910 | 62.74 | 60.29 | 63.65 | 64.83 | 66.32 | 68.33 | 68.94 | 69.74 | 69.63 | 67.77 | 66.87 | 62.39 | 65.96 | |||||||||||||
1911 | 63.10 | 61.93 | 62.97 | 65.53 | 66.39 | 68.53 | 69.81 | 71.00 | 70.67 | 66.84 | 65.93 | 64.65 | 66.44 | |||||||||||||
1912 | 62.48 | 62.66 | 61.94 | 65.63 | 66.52 | 68.20 | 70.16 | 70.65 | 70.47 | 69.97 | 66.20 | 66.68 | 66.80 | |||||||||||||
1913 | 62.74 | 61.04 | 63.29 | 65.90 | 66.71 | 68.60 | 69.97 | 71.26 | 69.70 | 69.00 | 69.10 | 63.39 | 66.72 | |||||||||||||
1914 | 61.74 | 60.86 | 62.35 | 65.57 | 67.13 | 70.17 | 71.87 | 73.06 | 72.50 | 69.00 | 66.97 | 62.23 | e | 66.95 | ||||||||||||
1915 | 61.68 | 62.00 | 61.74 | 64.57 | 68.35 | 69.77 | 70.74 | 71.81 | 70.37 | 69.52 | 68.17 | 65.77 | 67.04 | |||||||||||||
1916 | 63.87 | 63.21 | 64.10 | 65.53 | 67.45 | 68.67 | 69.23 | 68.68 | 69.07 | 68.68 | 66.90 | 65.23 | 66.72 | |||||||||||||
1917 | 61.45 | 60.79 | 63.74 | 64.67 | 66.13 | 68.30 | 68.77 | 69.39 | 69.10 | 67.19 | 66.63 | 65.03 | 65.93 | |||||||||||||
1918 | 62.81 | 62.71 | 63.13 | 65.17 | 65.81 | 68.30 | 71.39 | 70.94 | 69.90 | 69.94 | 67.37 | 64.94 | 66.87 | |||||||||||||
1919 | 60.23 | 62.50 | 62.71 | 65.23 | 66.48 | 68.37 | 69.97 | 71.45 | 68.77 | 68.71 | 66.43 | 64.00 | 66.24 | |||||||||||||
1920 | 61.97 | 62.07 | 63.00 | 65.27 | 66.77 | 69.43 | 70.74 | 71.06 | 71.23 | 69.19 | 64.70 | c | 65.33 | a | 66.73 | |||||||||||
1921 | 65.39 | 62.00 | 62.00 | 64.50 | 65.26 | 68.77 | 69.58 | 68.68 | 68.60 | 66.68 | 65.33 | 65.00 | 65.98 | |||||||||||||
1922 | 62.77 | 62.71 | 62.87 | 64.73 | 65.74 | 67.47 | 69.00 | 69.90 | 69.70 | 67.68 | 65.97 | 61.74 | 65.86 | |||||||||||||
1923 | 65.06 | 59.71 | 62.68 | 65.30 | 65.87 | 67.17 | 69.42 | 69.13 | 69.57 | 68.39 | 65.83 | 65.65 | 66.15 | |||||||||||||
1924 | 58.90 | 61.79 | 61.94 | 64.60 | 65.90 | 67.33 | 69.00 | 69.26 | 68.50 | 68.19 | 65.33 | 63.93 | a | 65.39 | ||||||||||||
1925 | 63.45 | 61.43 | 63.35 | 65.13 | 66.65 | 68.93 | 69.23 | 70.58 | 69.73 | 67.90 | 67.10 | 65.00 | 66.54 | |||||||||||||
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 | 64.39 | 62.37 | 62.52 | 63.09 | i | |||
1950 | 62.26 | 63.18 | 61.58 | 64.48 | a | 65.58 | 65.40 | 66.94 | 68.39 | 66.60 | 66.90 | a | 65.00 | a | 62.00 | a | 64.86 | |||||||||
1951 | 61.03 | 61.00 | 63.77 | 62.40 | 64.00 | 64.87 | 69.74 | 69.19 | 67.83 | 67.87 | 65.97 | a | 64.57 | a | 65.19 | |||||||||||
1952 | 61.94 | 60.34 | 63.61 | 63.07 | 62.50 | e | 68.83 | 67.77 | 68.97 | 67.13 | 67.19 | 66.72 | a | 61.97 | 65.00 | |||||||||||
1953 | 60.32 | 61.18 | 62.26 | 63.57 | 67.23 | 69.77 | 68.94 | 69.06 | 66.48 | a | 65.03 | a | 64.43 | 62.72 | b | 65.08 | ||||||||||
1954 | 59.81 | 62.64 | 60.55 | 63.90 | 66.10 | 68.50 | 69.03 | 70.90 | 68.57 | 66.61 | 65.07 | 62.74 | 65.37 | |||||||||||||
1955 | 60.29 | 62.93 | 60.45 | 64.70 | 66.10 | 66.50 | 67.48 | 67.48 | 66.83 | 65.94 | 66.20 | 63.90 | 64.90 | |||||||||||||
1956 | 63.58 | 63.10 | 63.42 | 64.70 | 67.45 | 68.50 | 68.55 | 69.74 | 68.37 | 68.68 | 66.40 | 62.94 | 66.29 | |||||||||||||
1957 | 63.52 | 60.96 | 58.87 | 64.57 | 64.30 | a | 66.67 | 70.32 | 71.32 | 68.47 | 68.39 | 67.97 | 67.06 | 66.03 | ||||||||||||
1958 | 59.61 | 60.61 | 59.65 | 63.24 | a | 66.55 | 68.10 | 69.81 | 71.45 | 70.27 | 69.03 | 64.27 | 61.55 | 65.34 | ||||||||||||
1959 | 61.37 | a | 61.75 | 64.68 | 65.03 | 67.58 | 67.97 | 69.84 | 71.13 | 71.00 | 66.19 | 66.23 | 64.23 | 66.42 | ||||||||||||
1960 | 61.97 | 61.41 | 63.90 | 65.87 | 67.93 | a | 67.83 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.22 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 61.99 | 61.68 | 62.52 | 64.61 | 66.28 | 68.20 | 69.51 | 70.21 | 69.26 | 67.89 | 66.15 | 64.08 | 66.04 | |||||||||||||
S.D. | 1.84 | 1.14 | 1.41 | 0.92 | 1.16 | 1.21 | 1.04 | 1.30 | 1.43 | 1.35 | 1.31 | 1.46 | 0.67 | |||||||||||||
SKEW | -0.50 | -0.89 | -0.78 | -0.85 | -1.12 | -0.84 | -0.21 | -0.07 | -0.14 | -0.62 | -0.49 | -0.05 | -0.26 | |||||||||||||
MAX | 65.39 | 63.21 | 64.68 | 65.90 | 68.35 | 70.17 | 71.87 | 73.06 | 72.50 | 69.97 | 69.10 | 67.06 | 67.04 | |||||||||||||
MIN | 56.71 | 58.18 | 58.87 | 62.40 | 62.50 | 64.87 | 66.94 | 67.48 | 66.48 | 64.39 | 62.37 | 61.55 | 64.86 | |||||||||||||
YRS | 32 | 32 | 32 | 32 | 32 | 31 | 31 | 31 | 31 | 32 | 32 | 32 | 31 |