YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.19 | b | 58.39 | k | ----- | z | 64.19 | k |
1916 | 50.43 | h | 57.08 | j | 59.21 | j | 61.16 | e | 62.65 | 64.92 | 68.26 | 70.52 | i | 67.18 | 59.47 | 55.43 | 50.50 | 61.20 | d | |||||||
1917 | 49.68 | 54.17 | a | 54.19 | 58.22 | 59.74 | 66.38 | a | 71.26 | 71.34 | 70.12 | 65.35 | 59.22 | 56.24 | 61.33 | |||||||||||
1918 | 52.47 | 54.71 | 58.55 | 60.75 | 61.85 | 69.85 | 70.66 | 72.72 | b | 72.17 | 67.65 | 57.25 | 52.50 | 62.59 | ||||||||||||
1919 | 53.39 | 51.77 | 54.29 | 59.18 | 63.05 | 67.86 | b | 70.71 | 70.95 | 68.62 | 61.03 | 56.80 | c | 53.16 | f | 61.60 | a | |||||||||
1920 | 52.53 | l | 55.23 | i | 55.52 | d | 58.75 | 62.60 | 66.88 | 70.40 | 72.60 | 69.88 | 60.89 | 56.62 | e | 52.15 | h | 63.79 | c | |||||||
1921 | 51.22 | f | 54.41 | f | 58.34 | b | 58.32 | 59.58 | 65.52 | 71.29 | 70.77 | 67.67 | 64.94 | 59.10 | f | 56.95 | j | 64.55 | d | |||||||
1922 | 50.00 | i | 52.45 | f | 54.46 | c | 56.48 | b | 62.53 | 66.62 | 70.35 | 72.60 | 71.60 | 62.76 | 53.98 | g | 55.50 | f | 64.68 | d | ||||||
1923 | 52.61 | l | 52.93 | f | 56.69 | e | 59.22 | a | 65.27 | 64.37 | 69.60 | 70.16 | 69.55 | 63.42 | 61.28 | e | 54.74 | f | 64.40 | c | ||||||
1924 | 52.42 | g | 57.31 | h | 55.66 | f | 59.52 | d | 64.44 | 67.79 | a | 69.63 | a | 69.61 | 68.32 | b | 60.20 | c | 57.68 | h | 50.28 | m | 65.64 | e | ||
1925 | 51.00 | h | 54.92 | h | 56.20 | d | 59.00 | b | 63.07 | b | 66.78 | 72.45 | a | 70.63 | 67.07 | a | 62.15 | g | 57.44 | e | 55.20 | h | 64.08 | d | ||
1926 | 52.59 | h | 57.33 | g | 61.06 | e | 64.09 | b | 65.10 | a | 68.80 | 70.57 | a | 71.42 | a | 66.11 | b | 63.92 | e | 61.65 | f | 52.04 | h | 66.38 | d | |
1927 | 51.62 | j | 55.76 | g | 55.70 | f | 58.98 | a | 62.88 | a | 66.10 | 71.26 | b | 71.02 | a | 67.57 | b | 62.75 | e | 60.46 | g | 51.71 | l | 65.79 | e | |
1928 | 53.87 | h | 54.33 | h | 57.98 | e | 57.85 | d | 64.00 | c | 65.18 | b | 67.28 | b | 68.13 | a | 67.00 | b | 61.77 | e | 58.14 | i | 53.30 | d | 62.50 | c |
1929 | 51.13 | h | 50.45 | h | 53.02 | i | 56.54 | c | 62.96 | d | 65.40 | a | 70.79 | c | 72.07 | c | 68.20 | b | 67.06 | d | 58.57 | g | 57.34 | i | 66.14 | e |
1930 | 54.38 | j | 55.98 | h | 56.43 | j | 60.77 | d | 59.45 | a | 64.56 | c | 69.76 | d | 69.74 | f | 65.44 | c | 63.46 | f | 61.02 | i | 52.73 | g | 64.00 | g |
1931 | 53.88 | j | 56.33 | g | 58.34 | f | 61.98 | c | 66.33 | a | 68.38 | a | 73.77 | a | 75.48 | e | 69.98 | d | 64.72 | f | 53.19 | f | 50.48 | j | 69.32 | f |
1932 | 48.98 | h | 52.88 | i | 56.16 | c | 58.78 | g | 61.67 | b | 64.27 | 67.37 | a | 67.92 | 66.75 | 62.43 | b | 61.45 | 51.52 | h | 63.50 | d | ||||
1933 | 49.63 | 48.83 | h | 54.50 | f | 56.21 | b | 56.80 | c | 62.43 | 67.60 | 68.40 | 64.23 | 63.36 | c | 59.62 | f | 52.89 | 60.17 | c | ||||||
1934 | 53.84 | 57.16 | i | 61.29 | 62.78 | a | 64.52 | 64.82 | b | 70.81 | b | 70.15 | 70.10 | 64.00 | e | 59.75 | 56.97 | 63.55 | a | |||||||
1935 | 52.89 | l | 54.92 | h | 51.29 | j | 58.58 | f | 61.68 | a | 64.87 | 68.63 | a | 72.79 | 68.52 | a | 63.27 | 54.68 | 54.27 | k | 64.92 | e | ||||
1936 | 54.58 | 54.39 | g | 56.69 | 58.78 | 63.52 | 65.93 | 71.47 | 71.85 | 68.53 | 64.87 | 60.70 | 55.00 | a | 62.90 | a | ||||||||||
1937 | 46.47 | 52.48 | g | 54.85 | a | 58.75 | f | 63.82 | n | 65.66 | h | 69.87 | 69.98 | b | 70.28 | 64.40 | 58.78 | 58.02 | 61.58 | d | ||||||
1938 | 55.60 | 53.97 | j | 55.59 | h | 59.45 | 62.12 | b | 64.72 | 68.31 | 70.29 | 71.08 | 61.71 | g | 56.68 | 57.60 | 62.87 | c | ||||||||
1939 | 52.96 | h | 49.31 | j | 54.35 | 61.58 | 62.81 | 64.91 | c | 69.33 | d | 71.14 | c | 72.86 | b | 66.08 | f | 61.41 | g | 58.00 | i | 65.28 | e | |||
1940 | 56.81 | 56.55 | i | 59.00 | f | 61.56 | e | 64.06 | e | 65.19 | c | 67.95 | 67.79 | 66.45 | 63.33 | g | 58.40 | j | 59.32 | i | 64.26 | e | ||||
1941 | 55.08 | g | 57.81 | g | 59.09 | i | 58.66 | a | 65.06 | 64.42 | 68.55 | 69.00 | b | 64.72 | g | 62.72 | a | 59.70 | 54.08 | 62.77 | d | |||||
1942 | 55.05 | 52.82 | 54.85 | 58.62 | 60.90 | 64.33 | 68.35 | 68.18 | 66.02 | 63.60 | 58.83 | a | 54.45 | 60.50 | ||||||||||||
1943 | 54.15 | 56.71 | ----- | z | 59.42 | 63.47 | 63.38 | 67.97 | 69.23 | a | 67.18 | 62.85 | 59.40 | 55.55 | 61.76 | a | ||||||||||
1944 | 53.87 | 52.55 | 55.45 | 56.92 | 62.31 | 62.72 | 66.26 | 68.53 | 66.42 | 63.40 | 57.88 | 55.45 | 60.15 | |||||||||||||
1945 | 52.52 | 53.19 | a | 52.92 | a | 56.61 | g | 61.05 | 64.43 | a | 68.65 | 70.39 | c | 69.68 | 66.08 | l | 57.32 | 54.48 | h | 61.13 | c | |||||
1946 | 53.92 | 51.64 | 55.23 | 61.25 | 62.81 | 66.33 | 69.68 | 70.98 | 69.60 | f | 61.45 | 56.08 | f | 54.04 | h | 61.48 | c | |||||||||
1947 | 50.42 | e | 56.21 | k | 57.50 | i | 61.23 | d | 63.26 | b | 65.79 | a | 68.64 | b | 70.19 | 70.36 | e | 64.50 | h | 55.79 | k | 53.41 | i | 64.27 | e | |
1948 | 54.06 | f | 50.68 | j | 52.58 | k | 58.59 | h | 60.70 | h | 64.11 | c | 66.18 | 66.48 | 66.90 | 62.90 | 57.30 | 51.52 | 62.20 | e | ||||||
1949 | 46.84 | 50.43 | 53.39 | 60.27 | 61.39 | 66.05 | a | 67.65 | 68.77 | 68.97 | 62.34 | 62.85 | 52.71 | 60.14 | ||||||||||||
1950 | 49.32 | 53.18 | 55.53 | 58.93 | 59.81 | 63.15 | 69.37 | 67.74 | 66.90 | 65.31 | 60.78 | 57.48 | 60.63 | |||||||||||||
1951 | 53.15 | 53.52 | 56.11 | 59.70 | 60.76 | 65.13 | 68.71 | 68.23 | 67.68 | 64.87 | 59.68 | 53.27 | 60.90 | |||||||||||||
1952 | 51.68 | 54.26 | 54.29 | 58.83 | 63.74 | 63.40 | 68.84 | 71.11 | 70.78 | 65.45 | 57.18 | 53.58 | 61.10 | |||||||||||||
1953 | 57.76 | 53.20 | 55.56 | 57.68 | 60.94 | 63.87 | 70.70 | f | 69.56 | 67.97 | 66.44 | 61.58 | 54.45 | 60.82 | a | |||||||||||
1954 | 53.00 | 58.70 | 55.12 | c | 59.78 | 62.63 | 64.48 | 71.63 | 69.89 | 67.18 | b | 62.47 | a | 59.71 | b | 53.79 | b | 61.53 | ||||||||
1955 | 50.48 | b | 51.93 | a | 56.08 | a | 57.48 | 60.88 | a | 63.74 | m | 67.57 | a | 71.45 | b | 71.00 | c | 63.06 | 57.97 | 55.63 | a | 60.32 | a | |||
1956 | 54.15 | 51.50 | 55.97 | 55.82 | m | ----- | z | 66.58 | e | 69.19 | 69.21 | 72.15 | 64.68 | 62.18 | 56.74 | 62.23 | b | |||||||||
1957 | 54.68 | 58.52 | 57.32 | 59.98 | 63.15 | 68.74 | a | 71.44 | 72.57 | a | 69.63 | 64.26 | 57.85 | 58.19 | 63.03 | |||||||||||
1958 | 56.00 | 58.55 | 55.95 | 61.77 | 66.06 | 67.17 | 70.18 | 73.79 | 72.00 | 69.72 | a | 59.34 | a | 59.19 | 64.14 | |||||||||||
1959 | 57.68 | 55.19 | b | 61.15 | 64.52 | 63.84 | 68.28 | 74.19 | 74.06 | 71.82 | 65.98 | 62.50 | 57.24 | 64.70 | ||||||||||||
1960 | 52.77 | 54.38 | 59.02 | 62.40 | 65.07 | a | 67.78 | 71.84 | 71.94 | 72.88 | 65.37 | 59.05 | 53.92 | 63.03 | ||||||||||||
1961 | 58.81 | 58.23 | 57.79 | 61.25 | 62.08 | 66.48 | 70.31 | 72.60 | 68.63 | 65.03 | 58.43 | a | 54.87 | 62.88 | ||||||||||||
1962 | 55.15 | 54.38 | 53.56 | 61.23 | 61.35 | 64.73 | 68.40 | 70.13 | 68.50 | 63.98 | 58.17 | 55.30 | a | 61.24 | ||||||||||||
1963 | 53.34 | 61.11 | 55.90 | 57.88 | 63.90 | 65.63 | 68.61 | 72.06 | 74.77 | 67.76 | 59.70 | 56.52 | 63.10 | |||||||||||||
1964 | 53.00 | 54.31 | 56.02 | 59.57 | 60.60 | 64.48 | 68.97 | 69.71 | 68.27 | 68.97 | a | 58.03 | 54.39 | 61.36 | ||||||||||||
1965 | 55.53 | 54.73 | 56.63 | 60.15 | 61.53 | 62.82 | 66.47 | 70.79 | 66.92 | 67.55 | 60.03 | 53.89 | 61.42 | |||||||||||||
1966 | 51.71 | 52.36 | 56.52 | 60.38 | 63.11 | 65.62 | 68.66 | 71.66 | 68.32 | 64.56 | 58.88 | 53.92 | 61.31 | |||||||||||||
1967 | 52.44 | 54.71 | 54.70 | p | 52.55 | 61.11 | 60.97 | 68.47 | 74.11 | 72.42 | 67.71 | 61.47 | m | 52.15 | 61.66 | b | ||||||||||
1968 | 52.95 | 58.40 | 58.35 | 58.73 | 58.48 | k | 65.57 | p | ----- | z | 69.40 | u | 71.80 | 65.79 | 59.13 | 52.16 | o | 60.74 | e | |||||||
1969 | 56.47 | 52.98 | 54.85 | 61.15 | ----- | z | 62.27 | 69.37 | 72.94 | ----- | z | ----- | z | ----- | z | 51.61 | 60.21 | d | ||||||||
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.27 | 52.10 | 55.68 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 53.31 | 54.56 | 56.26 | 59.61 | 62.52 | 65.41 | 69.49 | 70.69 | 69.03 | 64.26 | 58.94 | 54.71 | 61.85 | |||||||||||||
S.D. | 2.81 | 2.65 | 2.03 | 2.12 | 1.86 | 1.85 | 1.74 | 1.91 | 2.27 | 2.24 | 1.87 | 2.13 | 1.32 | |||||||||||||
SKEW | -0.44 | 0.77 | 0.90 | -0.41 | -0.38 | 0.16 | 0.44 | 0.14 | 0.33 | 0.29 | 0.08 | 0.16 | 0.65 | |||||||||||||
MAX | 58.81 | 61.11 | 61.29 | 64.52 | 66.33 | 69.85 | 74.19 | 75.48 | 74.77 | 69.72 | 62.85 | 59.19 | 64.70 | |||||||||||||
MIN | 46.47 | 50.43 | 52.92 | 52.55 | 56.80 | 60.97 | 66.18 | 66.48 | 64.23 | 59.47 | 54.68 | 50.50 | 60.14 | |||||||||||||
YRS | 36 | 29 | 39 | 48 | 49 | 51 | 52 | 51 | 51 | 46 | 39 | 35 | 19 |