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 | 34.46 | g | ----- | z |
1952 | 35.65 | e | 32.38 | 37.94 | 46.47 | 54.77 | 67.53 | 67.19 | 69.52 | b | 58.80 | 43.55 | 34.47 | m | 27.42 | 49.20 | a | |||||||||
1953 | 36.77 | 28.96 | 39.13 | 43.80 | 54.83 | a | 69.37 | 69.35 | h | 65.06 | 55.00 | 47.94 | 34.80 | 24.45 | 45.47 | a | ||||||||||
1954 | 32.74 | 36.61 | 40.74 | 52.00 | 55.94 | 66.27 | 69.39 | 68.58 | 62.83 | 52.39 | 37.30 | 29.65 | 50.37 | |||||||||||||
1955 | 29.94 | 27.39 | 39.94 | 47.13 | 56.74 | 62.60 | 67.77 | 67.48 | 61.77 | 49.03 | 38.23 | 33.13 | 48.43 | |||||||||||||
1956 | 30.97 | 27.97 | 38.61 | 44.33 | 57.52 | 68.30 | 68.97 | 66.32 | 58.70 | 48.94 | 31.47 | 31.29 | 47.78 | |||||||||||||
1957 | 32.81 | 43.57 | 41.48 | 47.50 | 55.61 | 65.27 | 70.23 | 68.97 | 59.17 | 50.74 | 37.13 | 31.52 | 50.33 | |||||||||||||
1958 | 28.23 | 33.68 | 37.77 | 46.83 | 57.55 | 67.30 | 70.10 | 67.52 | 62.30 | 51.03 | 37.73 | 27.94 | 49.00 | |||||||||||||
1959 | 26.45 | 33.04 | 34.94 | 46.33 | 56.35 | 63.43 | 66.39 | 68.68 | 61.47 | 47.26 | 33.57 | 31.90 | 47.48 | |||||||||||||
1960 | 28.68 | 30.76 | 36.45 | 48.03 | 55.23 | 66.07 | 66.55 | 64.71 | 59.07 | 47.70 | a | 36.93 | 26.61 | 47.23 | ||||||||||||
1961 | 25.39 | 34.63 | a | 40.72 | b | 44.21 | a | 53.40 | a | 61.14 | a | 63.68 | 63.07 | a | 56.23 | 42.58 | 33.69 | a | 29.39 | c | 45.68 | |||||
1962 | 22.42 | 37.18 | 35.29 | 48.55 | a | 56.61 | 61.60 | 67.48 | 65.39 | 61.23 | 48.63 | a | 35.17 | 29.00 | 47.38 | |||||||||||
1963 | 20.03 | a | 32.00 | 37.34 | b | 51.63 | 57.48 | 64.57 | 69.26 | 66.61 | 59.53 | 47.48 | 34.28 | a | 23.28 | b | 46.96 | |||||||||
1964 | 23.97 | 24.83 | 36.84 | 46.13 | 58.39 | 64.73 | 70.00 | 67.77 | 60.89 | c | 45.00 | 33.09 | g | 28.40 | a | 47.90 | a | |||||||||
1965 | 31.26 | 27.39 | 30.73 | e | 48.83 | 56.74 | 64.60 | 67.74 | 64.39 | 58.87 | 44.65 | 40.36 | b | 30.90 | 47.20 | |||||||||||
1966 | 22.16 | 25.14 | 34.96 | d | 47.23 | 57.16 | 61.73 | 70.35 | 65.07 | a | 60.37 | 42.80 | a | 35.38 | n | 24.10 | a | 46.46 | a | |||||||
1967 | 23.57 | a | 28.71 | g | 41.29 | 51.83 | 52.35 | 64.21 | a | 68.06 | 65.68 | 60.17 | 46.06 | 36.06 | m | 29.29 | j | 52.58 | c | |||||||
1968 | 31.45 | 33.28 | 39.24 | b | 46.50 | 56.61 | 65.27 | 67.39 | 66.81 | 55.57 | 47.86 | b | 34.96 | c | 27.00 | 47.66 | ||||||||||
1969 | 32.23 | 32.06 | j | 33.00 | 50.27 | 56.65 | 64.70 | 71.03 | 70.06 | 62.24 | a | 49.06 | 37.14 | a | 31.43 | a | 50.71 | a | ||||||||
1970 | 23.29 | j | 34.89 | a | 35.48 | d | 46.04 | c | 53.10 | 63.27 | 67.90 | 66.45 | 61.50 | 44.55 | 34.36 | h | 30.97 | a | 50.41 | b | ||||||
1971 | 28.04 | c | 29.29 | d | 37.87 | 46.03 | 56.65 | 63.90 | 68.68 | 64.84 | 57.80 | 49.17 | a | 37.35 | d | 31.23 | 47.57 | |||||||||
1972 | 24.75 | g | 30.81 | b | 41.39 | c | 48.23 | 55.26 | 63.33 | 65.32 | 64.23 | 60.93 | c | 49.16 | 33.74 | k | ----- | z | 53.19 | c | ||||||
1973 | 27.28 | b | 31.15 | a | 37.56 | d | 40.97 | 52.67 | a | 60.97 | 66.58 | 64.16 | 58.83 | a | 45.87 | 42.71 | p | 25.18 | c | 46.47 | a | |||||
1974 | 26.16 | 26.65 | k | 41.17 | a | 49.71 | i | 59.39 | c | 63.57 | 67.06 | 64.81 | 55.13 | 49.77 | 37.11 | c | 30.21 | c | 49.44 | b | ||||||
1975 | 29.11 | c | 32.39 | 36.10 | 42.04 | b | 51.00 | 61.23 | 65.35 | 64.00 | 55.30 | 44.84 | 30.47 | k | 26.82 | i | 48.14 | b | ||||||||
1976 | 26.16 | 35.17 | 37.60 | a | 47.30 | 53.29 | 63.63 | 65.39 | 64.16 | 58.63 | 40.41 | d | 29.41 | a | 24.33 | j | 47.38 | a | ||||||||
1977 | 24.55 | 32.00 | 37.04 | f | 46.97 | 57.71 | 64.67 | ----- | z | 70.71 | q | 62.27 | 49.32 | 35.25 | f | 30.29 | 45.97 | d | ||||||||
1978 | 24.55 | 30.40 | c | 37.40 | f | 49.27 | 55.97 | 64.27 | 68.39 | 65.41 | b | 58.50 | 47.65 | 42.12 | f | 26.97 | 49.14 | b | ||||||||
1979 | 24.19 | 27.89 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 24.19 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 27.87 | 31.87 | 37.74 | 47.09 | 55.74 | 64.35 | 67.85 | 66.14 | 59.37 | 47.16 | 35.68 | 28.79 | 47.93 | |||||||||||||
S.D. | 4.27 | 4.13 | 2.76 | 2.71 | 2.01 | 2.16 | 1.84 | 1.92 | 2.36 | 2.87 | 2.68 | 2.76 | 1.32 | |||||||||||||
SKEW | 0.26 | 0.64 | -0.55 | -0.15 | -0.59 | 0.42 | -0.25 | 0.48 | -0.47 | -0.47 | -0.66 | -0.48 | 0.62 | |||||||||||||
MAX | 36.77 | 43.57 | 41.48 | 52.00 | 59.39 | 69.37 | 71.03 | 70.06 | 62.83 | 52.39 | 40.36 | 33.13 | 50.37 | |||||||||||||
MIN | 20.03 | 24.83 | 30.73 | 40.97 | 51.00 | 60.97 | 63.68 | 63.07 | 55.00 | 40.41 | 29.41 | 23.28 | 45.68 | |||||||||||||
YRS | 26 | 24 | 25 | 26 | 27 | 27 | 25 | 26 | 27 | 27 | 17 | 23 | 13 |