YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | 62.39 | 62.39 | k | |
1952 | 66.87 | 65.62 | 68.35 | 77.03 | 88.61 | 98.40 | 93.48 | 99.45 | 88.67 | 81.32 | 61.77 | 59.42 | 79.08 | |||||||||||||
1953 | 68.00 | 64.15 | h | 74.23 | 79.80 | 86.13 | 100.53 | 98.10 | 95.77 | 92.70 | 79.68 | 68.43 | 54.16 | 81.59 | a | |||||||||||
1954 | 63.65 | 70.96 | 71.39 | 84.17 | 85.48 | 96.17 | 98.97 | 93.48 | 92.33 | 79.52 | 69.70 | 60.68 | 80.54 | |||||||||||||
1955 | 55.42 | 61.21 | 72.90 | 81.73 | 87.55 | 94.47 | 92.90 | 94.35 | 90.30 | 78.32 | 65.73 | 63.97 | 78.24 | |||||||||||||
1956 | 61.13 | 58.69 | 75.23 | 77.37 | 93.00 | 98.27 | 97.29 | 95.29 | 93.40 | 83.42 | 65.83 | 61.26 | 80.01 | |||||||||||||
1957 | 61.19 | 68.89 | 70.42 | 78.83 | 83.10 | 95.37 | 98.97 | 95.68 | 89.77 | 71.13 | 58.40 | 63.10 | 77.90 | |||||||||||||
1958 | 53.39 | 60.68 | 61.48 | 74.97 | 88.13 | 97.67 | 99.03 | 95.52 | 83.80 | 70.32 | 66.50 | 61.13 | 76.05 | |||||||||||||
1959 | 61.17 | a | 60.89 | 71.00 | 77.37 | 87.03 | 95.10 | 93.65 | 96.16 | 92.87 | 79.81 | 65.17 | 59.00 | 78.27 | ||||||||||||
1960 | 56.23 | 59.76 | 66.71 | 82.30 | 86.71 | 97.53 | 92.35 | 93.26 | 90.03 | 77.16 | 67.40 | 48.10 | 76.46 | |||||||||||||
1961 | 52.10 | 61.82 | 68.58 | 77.80 | 88.94 | 93.59 | a | 94.81 | 94.07 | a | 87.43 | 80.90 | 57.10 | 58.20 | a | 76.28 | ||||||||||
1962 | 51.52 | 69.96 | 65.42 | 78.80 | 91.48 | 93.70 | 94.19 | 97.71 | 86.67 | 78.83 | a | 68.27 | 56.94 | 77.79 | ||||||||||||
1963 | 53.23 | 63.43 | 71.28 | b | 81.43 | 87.90 | 94.53 | 98.52 | 93.42 | 88.03 | 83.19 | 69.59 | a | 52.03 | b | 78.05 | ||||||||||
1964 | 56.00 | 54.93 | 68.77 | 79.73 | 89.23 | 94.20 | 98.10 | 96.32 | 84.59 | c | 79.35 | 64.04 | g | 58.00 | a | 78.11 | a | |||||||||
1965 | 60.58 | 58.04 | 61.46 | e | 81.20 | 85.77 | 92.97 | 96.90 | 91.68 | 87.17 | 79.74 | 72.04 | b | 58.61 | 77.18 | |||||||||||
1966 | 50.45 | 56.57 | 71.67 | d | 76.37 | 84.42 | 91.33 | 98.87 | 89.86 | b | 85.50 | 75.87 | a | 69.88 | n | 57.45 | b | 76.21 | a | |||||||
1967 | 60.80 | a | 64.29 | g | 76.35 | 83.50 | 86.52 | 92.53 | 94.16 | 92.48 | 84.10 | 81.03 | 72.71 | m | 53.52 | j | 83.50 | c | ||||||||
1968 | 54.35 | 58.34 | 63.96 | c | 74.50 | 85.45 | 95.50 | 91.06 | 91.55 | 86.53 | 81.28 | b | 62.37 | c | 58.55 | 75.29 | ||||||||||
1969 | 62.61 | 65.22 | j | 60.87 | 80.20 | 88.06 | 93.33 | 97.87 | 96.55 | 87.07 | a | 73.19 | 62.83 | a | 59.83 | a | 78.40 | a | ||||||||
1970 | 51.62 | j | 62.74 | a | 62.70 | d | 78.04 | d | 87.42 | 92.07 | 94.42 | 95.87 | 85.67 | 71.29 | 66.86 | h | 65.27 | a | 79.55 | b | ||||||
1971 | 60.07 | c | 61.83 | e | 73.48 | 77.70 | 86.16 | 95.47 | 95.94 | 85.74 | l | 84.90 | 75.32 | 67.85 | d | 58.26 | 76.09 | a | ||||||||
1972 | 59.71 | g | 65.48 | b | 76.93 | c | 84.10 | 85.00 | 93.07 | 93.84 | 90.48 | 85.85 | c | 76.55 | 61.00 | k | ----- | z | 83.48 | c | ||||||
1973 | 51.10 | a | 56.15 | a | 66.33 | d | 73.17 | 83.43 | a | 92.53 | 93.03 | 94.52 | 85.33 | 80.68 | 75.43 | p | 64.61 | c | 76.44 | a | ||||||
1974 | 56.87 | 63.59 | k | 77.60 | a | 81.14 | i | 92.04 | c | 96.37 | 95.94 | 88.39 | 76.55 | a | 72.71 | 62.59 | c | 55.25 | c | 77.43 | b | |||||
1975 | 57.11 | d | 60.21 | 68.45 | 75.93 | c | 84.55 | 96.23 | 89.42 | 93.97 | 82.83 | 80.71 | 66.84 | k | 63.67 | j | 78.94 | b | ||||||||
1976 | 57.48 | 69.97 | 70.57 | a | 79.00 | 81.74 | 94.27 | 89.90 | 94.03 | 82.73 | 70.59 | d | 56.14 | a | 54.71 | j | 76.95 | a | ||||||||
1977 | 50.45 | 63.32 | 69.68 | f | 76.60 | 87.84 | 95.87 | ----- | z | 96.93 | q | 94.10 | 78.16 | 70.26 | g | 64.45 | 76.35 | d | ||||||||
1978 | 52.55 | 57.72 | c | 69.04 | g | 83.67 | 87.06 | 95.77 | 97.81 | 93.17 | b | 80.50 | 74.87 | 60.74 | g | 55.16 | 77.83 | b | ||||||||
1979 | 47.26 | 55.72 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.26 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 56.98 | 62.05 | 69.45 | 79.05 | 86.99 | 95.07 | 95.37 | 94.12 | 87.02 | 77.59 | 64.87 | 58.99 | 77.78 | |||||||||||||
S.D. | 5.33 | 4.61 | 4.93 | 3.05 | 2.61 | 2.18 | 2.92 | 2.50 | 4.13 | 3.93 | 4.50 | 4.15 | 1.54 | |||||||||||||
SKEW | 0.26 | 0.53 | -0.18 | 0.11 | 0.36 | 0.50 | -0.38 | -0.28 | -0.24 | -0.54 | -0.50 | -0.64 | 0.19 | |||||||||||||
MAX | 68.00 | 70.96 | 77.60 | 84.17 | 93.00 | 100.53 | 99.03 | 99.45 | 94.10 | 83.42 | 72.04 | 65.27 | 80.54 | |||||||||||||
MIN | 47.26 | 54.93 | 60.87 | 73.17 | 81.74 | 91.33 | 89.42 | 88.39 | 76.55 | 70.32 | 56.14 | 48.10 | 75.29 | |||||||||||||
YRS | 26 | 23 | 25 | 26 | 27 | 27 | 26 | 25 | 27 | 27 | 18 | 24 | 13 |