YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.10 | a | 45.38 | c | 51.74 | j |
1913 | 45.32 | 51.34 | 54.60 | 65.60 | a | 72.44 | 81.29 | a | 88.20 | f | 90.02 | b | 81.26 | a | 68.21 | 61.79 | a | 49.27 | 65.56 | a | ||||||
1914 | 52.65 | a | 53.14 | 61.55 | a | 66.33 | 72.73 | 85.84 | n | 88.66 | b | 88.98 | 83.63 | 69.37 | a | ----- | z | ----- | z | 70.78 | c | |||||
1915 | 48.63 | 51.12 | 54.98 | 63.57 | 66.95 | c | 80.28 | 86.73 | 87.42 | 78.40 | 70.10 | a | 56.67 | a | 48.63 | a | 66.12 | |||||||||
1916 | 49.42 | a | 56.17 | 60.60 | 65.16 | a | 71.78 | a | 81.04 | b | 88.19 | b | 86.03 | a | 79.31 | a | 65.18 | 52.45 | 44.52 | a | 66.65 | |||||
1917 | 47.74 | 51.26 | a | 54.33 | g | 62.00 | d | 63.60 | k | 88.71 | d | 91.78 | a | 89.04 | q | ----- | z | 70.20 | h | 58.83 | a | 51.43 | a | 64.54 | e | |
1918 | 46.50 | c | 53.39 | a | 59.74 | b | 65.62 | b | 69.96 | c | 88.35 | 87.69 | 83.90 | 79.38 | f | 70.97 | 55.23 | 48.31 | d | 66.33 | a | |||||
1919 | 48.08 | a | 48.44 | d | 54.38 | j | 65.98 | a | 73.16 | f | 82.97 | a | 86.52 | b | 87.00 | a | 80.02 | 64.56 | 55.03 | a | 53.02 | a | 67.16 | b | ||
1920 | 50.61 | 54.74 | 55.66 | b | 60.85 | c | 72.48 | a | 81.25 | 88.24 | 85.84 | 78.07 | 64.82 | 56.17 | 45.56 | 66.19 | ||||||||||
1921 | 48.57 | h | 54.59 | a | 61.11 | 62.63 | 71.10 | f | 80.38 | 85.77 | c | 85.45 | 80.93 | 69.56 | 58.82 | 52.66 | 69.19 | b | ||||||||
1922 | 46.71 | 52.50 | 54.48 | 61.12 | 74.65 | 84.78 | a | 89.85 | 88.55 | a | 83.38 | 69.77 | 52.55 | 53.09 | c | 67.62 | ||||||||||
1923 | 52.23 | 52.89 | 55.58 | 63.57 | c | 74.87 | h | 78.47 | 88.65 | e | 85.87 | 78.27 | 64.92 | 57.43 | 49.77 | 66.15 | a | |||||||||
1924 | 46.82 | 54.94 | e | 53.58 | e | 62.75 | 76.55 | 85.45 | a | 88.93 | a | 87.65 | 82.95 | 65.82 | 57.90 | 48.58 | 67.66 | |||||||||
1925 | 47.31 | b | 56.38 | 61.05 | 66.75 | 76.88 | a | 82.47 | 91.19 | 86.02 | f | 79.38 | d | 66.60 | b | 56.10 | 50.21 | 66.76 | a | |||||||
1926 | 46.10 | 54.64 | 61.50 | 67.38 | 73.13 | 84.10 | 88.00 | 86.76 | 81.83 | a | 71.42 | 57.75 | 49.63 | 68.52 | ||||||||||||
1927 | 52.90 | 55.00 | 56.11 | c | 64.45 | 73.37 | 80.29 | a | 88.52 | a | 85.58 | f | 79.89 | h | 67.70 | i | 60.44 | e | 47.44 | e | 64.28 | c | ||||
1928 | 48.58 | f | 52.17 | b | 62.40 | p | 63.88 | d | 76.79 | 82.25 | b | 88.53 | k | 86.21 | e | 83.44 | e | 68.65 | e | 57.57 | a | 50.04 | e | 69.00 | c | |
1929 | 47.28 | b | 49.69 | a | 56.45 | b | 62.83 | f | 73.79 | b | 82.48 | a | 89.00 | h | 87.53 | n | 81.35 | m | 71.21 | c | 54.77 | 52.23 | g | 62.24 | e | |
1930 | 49.14 | f | 55.97 | i | 58.75 | i | 68.91 | a | 67.70 | d | 82.58 | d | 88.00 | h | 87.53 | 81.12 | 68.60 | a | 58.67 | 50.17 | b | 70.66 | d | |||
1931 | 50.69 | b | 55.94 | b | 60.39 | d | 70.28 | c | 78.87 | e | 85.17 | 93.63 | 88.44 | d | 84.23 | b | 69.60 | 55.07 | 49.55 | a | 70.15 | |||||
1932 | 42.34 | 54.44 | b | 58.97 | 65.66 | b | 74.05 | 82.77 | 91.14 | f | 89.07 | d | 84.48 | 68.65 | 61.00 | m | 47.45 | a | 66.79 | b | ||||||
1933 | 48.02 | b | 47.79 | 58.62 | b | 62.94 | d | 69.98 | d | 86.04 | d | 93.69 | 90.79 | 85.03 | a | 75.37 | h | 63.15 | g | 52.52 | a | 69.54 | b | |||
1934 | 51.54 | h | 59.04 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.04 | k | |
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 | 52.50 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | 46.17 | g | ----- | z | 56.02 | 64.47 | a | 73.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.62 | i | ||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | 70.28 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.70 | f | 70.28 | k | |
1973 | 48.92 | 55.00 | 55.22 | a | 68.02 | c | 79.39 | d | 86.85 | 91.00 | b | 89.52 | 81.48 | 71.76 | 58.03 | 51.73 | 69.74 | |||||||||
1974 | 51.13 | 52.00 | 60.21 | 65.52 | a | 74.18 | 85.50 | a | 85.58 | 84.42 | 80.12 | a | 72.03 | 57.08 | 46.02 | c | 67.82 | |||||||||
1975 | 47.69 | 50.46 | 56.23 | 58.96 | b | 71.02 | 80.50 | 88.68 | 86.19 | 80.71 | b | 67.03 | 55.75 | 49.44 | 66.06 | |||||||||||
1976 | 47.17 | m | 52.86 | 57.22 | a | 64.10 | a | 75.85 | 83.12 | 89.23 | 86.50 | f | 80.55 | a | 67.83 | a | 59.00 | 49.88 | b | 67.96 | b | |||||
1977 | 49.24 | 55.71 | 55.03 | 66.92 | 70.76 | 86.02 | 90.21 | 89.44 | d | 81.90 | 71.63 | 59.94 | c | 55.05 | b | 69.32 | ||||||||||
1978 | 51.63 | 55.09 | a | 59.75 | u | 66.68 | p | 73.55 | a | 85.47 | 89.31 | b | 87.06 | 82.05 | 75.62 | b | 57.87 | 46.85 | 70.45 | b | ||||||
1979 | 46.20 | a | 52.91 | a | 57.43 | a | 64.09 | h | 75.60 | b | 82.96 | b | 88.00 | a | 83.90 | j | 84.92 | r | 70.31 | j | 56.23 | b | 53.30 | a | 64.08 | d |
1980 | 54.28 | a | 57.95 | a | 55.83 | a | 65.46 | b | 70.74 | b | 81.59 | b | 89.96 | e | 86.80 | c | 78.78 | 69.67 | b | 55.36 | e | ----- | z | 69.68 | a | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.74 | 53.50 | 57.53 | 64.97 | 73.33 | 83.33 | 89.08 | 87.35 | 81.31 | 68.94 | 57.06 | 49.61 | 67.81 | |||||||||||||
S.D. | 2.77 | 2.63 | 2.57 | 2.70 | 3.07 | 2.58 | 2.11 | 1.79 | 2.06 | 2.71 | 2.19 | 2.68 | 1.48 | |||||||||||||
SKEW | 0.05 | -0.20 | 0.29 | 0.02 | -0.03 | 0.33 | 0.54 | 0.06 | 0.12 | 0.18 | -0.14 | -0.01 | 0.27 | |||||||||||||
MAX | 54.28 | 59.04 | 61.55 | 70.28 | 79.39 | 88.71 | 93.69 | 90.79 | 85.03 | 75.62 | 61.79 | 55.05 | 70.15 | |||||||||||||
MIN | 42.34 | 47.79 | 53.58 | 58.96 | 66.95 | 78.47 | 85.58 | 83.90 | 78.07 | 64.56 | 52.45 | 44.52 | 66.06 | |||||||||||||
YRS | 25 | 29 | 25 | 28 | 26 | 28 | 24 | 23 | 24 | 25 | 27 | 27 | 11 |