YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | 61.79 | q | 62.80 | 63.68 | 65.19 | 64.60 | 61.52 | 60.77 | 59.77 | 62.62 | e | |||||||
1912 | 56.61 | 58.21 | 57.35 | 58.63 | 60.52 | 61.87 | 63.45 | 64.81 | 64.27 | 64.00 | 60.70 | 59.90 | 60.86 | |||||||||||||
1913 | 57.90 | 55.96 | 57.77 | 58.93 | 60.84 | 61.88 | e | 63.39 | c | 64.79 | b | 64.14 | a | 63.90 | 62.54 | b | 58.40 | a | 60.87 | |||||||
1914 | 55.59 | b | 56.78 | a | 56.63 | a | 59.28 | a | 61.44 | d | 62.90 | a | 64.44 | d | 65.54 | c | 66.00 | a | 62.54 | c | 60.80 | 57.97 | a | 60.82 | ||
1915 | 56.14 | c | 55.87 | e | 56.28 | b | 59.03 | 60.90 | 62.82 | b | 63.26 | 63.30 | a | 64.47 | 63.42 | 61.97 | 59.47 | a | 60.58 | |||||||
1916 | 57.87 | 57.31 | 59.50 | a | 59.37 | 62.68 | f | 63.08 | e | 63.10 | a | 63.87 | 63.33 | f | 63.54 | e | 61.93 | a | 60.67 | d | 61.02 | b | ||||
1917 | 58.30 | h | 56.48 | c | 59.11 | c | 59.87 | 61.23 | a | 63.26 | c | 63.77 | a | 62.62 | b | 63.57 | 62.83 | a | 62.33 | c | 61.38 | b | 61.50 | a | ||
1918 | 59.41 | d | 57.85 | b | 58.59 | b | 60.37 | c | 61.87 | a | 62.50 | d | 65.41 | d | 65.39 | 63.07 | b | 62.86 | b | 60.97 | a | 59.45 | 61.48 | |||
1919 | 56.13 | 56.48 | a | 57.45 | b | 59.45 | a | 60.31 | b | 61.37 | 62.97 | a | 64.24 | n | 62.77 | 62.27 | a | 60.00 | 59.52 | 59.88 | a | |||||
1920 | 57.36 | c | 57.04 | a | 58.00 | e | 58.81 | d | 60.52 | 63.00 | d | 63.00 | d | 63.77 | a | 63.66 | a | 62.13 | 59.74 | c | 59.29 | c | 60.52 | |||
1921 | 59.20 | a | 56.71 | d | 57.83 | b | 58.66 | a | 59.90 | 62.81 | c | 64.00 | c | 63.55 | 61.67 | c | 61.93 | a | 59.93 | 59.00 | c | 60.43 | ||||
1922 | 56.47 | a | 56.28 | c | 56.69 | e | 58.70 | c | 58.52 | b | 60.37 | 62.47 | a | 62.29 | c | 61.31 | n | 61.38 | e | 59.26 | g | 56.17 | b | 58.93 | b | |
1923 | 56.78 | h | 54.93 | a | 56.76 | b | 58.67 | 58.90 | a | 60.10 | a | 61.40 | a | 61.12 | e | 62.30 | 61.17 | b | 58.19 | c | 57.92 | g | 59.35 | b | ||
1924 | 53.24 | f | 56.43 | h | 55.42 | g | 58.37 | 58.28 | b | 58.92 | r | 60.88 | e | 61.54 | g | 60.61 | b | 60.55 | 57.86 | b | 56.40 | f | 59.42 | f | ||
1925 | 55.77 | 59.00 | c | ----- | z | 61.18 | m | 61.76 | f | 63.30 | c | 64.92 | g | 65.28 | f | 65.23 | h | 63.75 | c | 61.93 | 59.90 | a | 60.61 | f | ||
1926 | 58.00 | d | 56.77 | b | 56.84 | 58.20 | 61.18 | t | 63.50 | b | 65.15 | e | 65.07 | d | 64.67 | c | 64.39 | c | 61.21 | b | 60.69 | b | 61.32 | a | ||
1927 | 58.00 | a | 58.36 | 59.90 | 61.23 | 61.76 | b | 63.00 | 63.80 | a | 64.19 | 64.13 | 62.93 | a | 62.13 | 59.68 | 61.59 | |||||||||
1928 | 58.06 | 56.79 | 57.33 | d | 60.03 | 60.70 | a | 61.39 | g | 63.69 | b | 63.96 | f | 62.77 | d | 61.61 | c | 59.52 | e | 57.00 | e | 59.75 | b | |||
1929 | 53.95 | k | 53.88 | c | 55.04 | f | 55.32 | e | 57.04 | c | 59.83 | f | 61.54 | e | 62.00 | j | 61.90 | i | 62.08 | g | 58.92 | f | 55.36 | i | 56.94 | h |
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 | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 57.32 | 56.75 | 57.74 | 58.99 | 60.18 | 62.41 | 63.30 | 63.96 | 63.51 | 62.60 | 60.74 | 59.27 | 60.90 | |||||||||||||
S.D. | 1.22 | 1.24 | 1.10 | 1.23 | 1.40 | 1.02 | 1.19 | 1.30 | 1.35 | 1.10 | 1.39 | 1.34 | 0.43 | |||||||||||||
SKEW | 0.17 | -0.36 | 0.63 | -1.21 | -0.86 | -1.19 | -0.33 | -0.70 | -0.40 | -0.09 | -0.63 | -0.80 | 0.69 | |||||||||||||
MAX | 59.41 | 59.00 | 59.90 | 61.23 | 61.87 | 63.50 | 65.41 | 65.54 | 66.00 | 64.39 | 62.54 | 61.38 | 61.59 | |||||||||||||
MIN | 55.59 | 53.88 | 56.28 | 55.32 | 57.04 | 60.10 | 60.88 | 61.12 | 60.61 | 60.55 | 57.86 | 56.17 | 60.43 | |||||||||||||
YRS | 14 | 17 | 15 | 17 | 15 | 16 | 18 | 14 | 15 | 18 | 17 | 16 | 8 |