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 | 49.73 | g | ----- | z |
1952 | 50.83 | e | 49.00 | 53.15 | 61.75 | 71.69 | 82.97 | 80.34 | 84.53 | b | 73.73 | 62.44 | 45.24 | m | 43.42 | 64.89 | a | |||||||||
1953 | 52.39 | 46.90 | h | 56.68 | 61.80 | 70.42 | a | 84.95 | 83.91 | h | 80.42 | 73.85 | 63.81 | 51.62 | 39.31 | 63.52 | b | |||||||||
1954 | 48.19 | 53.79 | 56.06 | 68.08 | 70.71 | 81.22 | 84.18 | 81.03 | 77.58 | 65.95 | 53.50 | 45.16 | 65.45 | |||||||||||||
1955 | 42.68 | 44.30 | 56.42 | 64.43 | 72.15 | 78.53 | 80.34 | 80.92 | 76.03 | 63.68 | 51.98 | 48.55 | 63.33 | |||||||||||||
1956 | 46.05 | 43.33 | 56.92 | 60.85 | 75.26 | 83.28 | 83.13 | 80.81 | 76.05 | 66.18 | 48.65 | 46.27 | 63.90 | |||||||||||||
1957 | 47.00 | 56.23 | 55.95 | 63.17 | 69.35 | 80.32 | 84.60 | 82.32 | 74.47 | 60.94 | 47.77 | 47.31 | 64.12 | |||||||||||||
1958 | 40.81 | 47.18 | 49.63 | 60.90 | 72.84 | 82.48 | 84.56 | 81.52 | 73.05 | 60.68 | 52.12 | 44.53 | 62.52 | |||||||||||||
1959 | 43.95 | a | 46.96 | 52.97 | 61.85 | 71.69 | 79.27 | 80.02 | 82.42 | 77.17 | 63.53 | 49.37 | 45.45 | 62.89 | ||||||||||||
1960 | 42.45 | 45.26 | 51.58 | 65.17 | 70.97 | 81.80 | 79.45 | 78.98 | 74.55 | 62.30 | a | 52.17 | 37.35 | 61.84 | ||||||||||||
1961 | 38.74 | 48.63 | a | 54.59 | b | 60.90 | a | 71.40 | a | 77.36 | a | 79.24 | 78.57 | a | 71.83 | 61.74 | 45.50 | a | 43.50 | c | 61.00 | |||||
1962 | 36.97 | 53.57 | 50.35 | 63.57 | a | 74.05 | 77.65 | 80.84 | 81.55 | 73.95 | 63.73 | a | 51.72 | 42.97 | 62.58 | |||||||||||
1963 | 36.52 | a | 47.71 | 54.31 | b | 66.53 | 72.69 | 79.55 | 83.89 | 80.02 | 73.78 | 65.34 | 51.93 | a | 37.66 | b | 62.49 | |||||||||
1964 | 39.98 | 39.88 | 52.81 | 62.93 | 73.81 | 79.47 | 84.05 | 82.05 | 72.74 | c | 62.18 | 48.57 | g | 43.20 | a | 63.01 | a | |||||||||
1965 | 45.92 | 42.71 | 46.10 | e | 65.02 | 71.26 | 78.78 | 82.32 | 78.03 | 73.02 | 62.19 | 56.20 | b | 44.76 | 62.19 | |||||||||||
1966 | 36.31 | 40.86 | 53.31 | d | 61.80 | 70.79 | 76.53 | 84.61 | 77.50 | b | 72.93 | 59.33 | a | 52.62 | n | 40.66 | b | 61.33 | a | |||||||
1967 | 42.18 | a | 46.50 | g | 58.82 | 67.67 | 69.44 | 78.34 | a | 81.11 | 79.08 | 72.13 | 63.55 | 54.38 | m | 41.40 | j | 68.04 | c | |||||||
1968 | 42.90 | 45.81 | 51.77 | c | 60.50 | 71.03 | 80.38 | 79.23 | 79.18 | 71.05 | 64.57 | b | 48.67 | c | 42.77 | 61.49 | ||||||||||
1969 | 47.42 | 48.65 | k | 46.94 | 65.23 | 72.35 | 79.02 | 84.45 | 83.31 | 74.66 | a | 61.13 | 49.98 | a | 45.63 | a | 64.56 | a | ||||||||
1970 | 37.45 | j | 48.81 | a | 49.09 | d | 61.81 | d | 70.26 | 77.67 | 81.16 | 81.16 | 73.58 | 57.92 | 50.61 | h | 48.12 | a | 64.96 | b | ||||||
1971 | 44.05 | c | 45.48 | e | 55.68 | 61.87 | 71.40 | 79.68 | 82.31 | 74.97 | l | 71.35 | 62.20 | a | 52.60 | d | 44.74 | 61.03 | a | |||||||
1972 | 41.83 | h | 48.29 | c | 59.16 | c | 66.17 | 70.13 | 78.20 | 79.58 | 77.35 | 73.39 | c | 62.85 | 47.37 | k | ----- | z | 68.35 | c | ||||||
1973 | 39.18 | c | 43.65 | a | 51.94 | d | 57.07 | 68.05 | a | 76.75 | 79.81 | 79.34 | 71.98 | a | 63.27 | 59.07 | p | 44.89 | c | 61.45 | a | |||||
1974 | 41.52 | 45.12 | k | 59.38 | a | 65.43 | i | 75.71 | c | 79.97 | 81.50 | 76.60 | 65.69 | a | 61.24 | 49.67 | d | 42.85 | d | 63.41 | b | |||||
1975 | 42.81 | e | 46.30 | 52.27 | 59.11 | c | 67.77 | 78.73 | 77.39 | 78.98 | 69.07 | 62.77 | 48.66 | k | 45.17 | j | 63.52 | b | ||||||||
1976 | 41.82 | 52.57 | 54.08 | a | 63.15 | 67.52 | 78.95 | 77.65 | 79.10 | 70.68 | 55.50 | d | 42.78 | a | 39.52 | j | 62.16 | a | ||||||||
1977 | 37.50 | 47.66 | 53.12 | g | 61.78 | 72.77 | 80.27 | ----- | z | 83.82 | q | 78.18 | 63.74 | 52.87 | g | 47.37 | 61.16 | d | ||||||||
1978 | 38.55 | 44.06 | c | 53.19 | g | 66.47 | 71.52 | 80.02 | 83.10 | 79.29 | b | 69.50 | 61.26 | 51.50 | g | 41.06 | 63.48 | b | ||||||||
1979 | 35.73 | 41.81 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.73 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.40 | 47.05 | 53.60 | 63.06 | 71.37 | 79.71 | 81.55 | 80.16 | 73.19 | 62.37 | 50.37 | 43.81 | 62.82 | |||||||||||||
S.D. | 4.47 | 4.12 | 3.53 | 2.67 | 2.02 | 2.04 | 2.25 | 1.95 | 2.70 | 2.31 | 3.15 | 3.04 | 1.23 | |||||||||||||
SKEW | 0.43 | 0.47 | -0.28 | 0.06 | 0.11 | 0.74 | -0.09 | 0.24 | -0.50 | -0.96 | -0.65 | -0.56 | 0.62 | |||||||||||||
MAX | 52.39 | 56.23 | 59.38 | 68.08 | 75.71 | 84.95 | 84.61 | 84.53 | 78.18 | 66.18 | 56.20 | 48.55 | 65.45 | |||||||||||||
MIN | 35.73 | 39.88 | 46.10 | 57.07 | 67.52 | 76.53 | 77.39 | 76.60 | 65.69 | 55.50 | 42.78 | 37.35 | 61.00 | |||||||||||||
YRS | 26 | 23 | 25 | 26 | 27 | 27 | 25 | 25 | 27 | 27 | 17 | 23 | 12 |