YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 57.60 | ----- | z | 81.17 | 77.73 | 77.29 | 69.42 | 65.29 | 53.80 | 42.74 | 65.63 | d | ||||||||
1919 | 44.50 | 49.54 | 52.15 | 54.85 | 62.89 | l | 73.53 | 78.11 | 75.77 | 70.85 | 60.92 | 53.05 | 45.82 | 59.92 | a | |||||||||||
1920 | 46.81 | 51.55 | 53.59 | n | 55.83 | 64.48 | 70.80 | 73.63 | 77.48 | 69.00 | 57.92 | 50.59 | b | 43.79 | 60.17 | a | ||||||||||
1921 | 43.16 | 48.12 | 52.88 | a | 55.92 | 63.39 | 70.88 | 78.17 | b | 73.73 | 68.85 | ----- | z | ----- | z | 47.45 | 60.26 | b | ||||||||
1922 | 38.61 | 45.21 | 48.48 | 52.85 | 64.82 | 72.85 | 78.97 | a | 74.21 | 76.03 | 63.18 | 50.13 | 46.05 | 59.28 | ||||||||||||
1923 | 43.29 | 46.59 | 52.97 | 54.75 | 62.52 | 65.92 | 74.90 | 75.48 | 74.18 | 63.06 | 56.33 | 43.92 | 59.49 | |||||||||||||
1924 | 41.66 | 54.05 | 52.55 | 58.67 | 67.56 | 70.15 | 74.69 | 75.13 | a | 70.63 | 59.52 | 49.97 | 41.19 | 59.65 | ||||||||||||
1925 | 44.19 | 49.27 | 50.74 | 54.20 | 62.27 | 70.72 | a | 77.79 | 73.82 | 63.60 | 61.78 | a | 51.54 | c | 45.06 | 58.75 | ||||||||||
1926 | 40.08 | 50.31 | a | 56.58 | 61.30 | 65.05 | a | 76.13 | 78.73 | 75.23 | 67.48 | 63.23 | 58.26 | a | 44.11 | 61.37 | ||||||||||
1927 | 45.61 | 50.14 | 51.24 | 54.83 | a | 63.27 | 70.80 | 77.20 | a | 73.35 | 67.33 | 63.26 | 52.26 | c | 44.00 | 59.44 | ||||||||||
1928 | 42.95 | a | 47.22 | 52.55 | b | 52.75 | 65.27 | a | 71.03 | l | 74.95 | a | 74.45 | 71.07 | 61.45 | 51.58 | 41.05 | a | 57.75 | a | ||||||
1929 | 39.48 | 46.25 | 51.32 | 52.27 | b | 64.02 | a | 70.27 | 75.45 | a | 77.98 | a | 70.66 | a | 64.79 | 53.27 | 47.10 | 59.40 | ||||||||
1930 | 42.71 | 52.16 | 53.88 | b | 57.02 | 59.40 | 71.33 | 75.61 | 73.84 | 68.10 | a | 61.18 | 53.72 | n | 42.50 | i | 61.52 | b | ||||||||
1931 | 45.29 | 50.74 | c | 52.43 | b | 60.97 | 68.90 | 70.22 | 81.95 | 76.98 | 67.97 | 61.18 | 48.78 | c | 42.94 | 60.70 | ||||||||||
1932 | 41.97 | 47.07 | a | 52.44 | 56.03 | a | 64.81 | 72.88 | a | 77.65 | a | 76.97 | 75.70 | 64.03 | a | 56.73 | 45.71 | l | 62.39 | a | ||||||
1933 | 44.16 | 46.82 | 54.15 | 57.30 | 60.68 | c | 70.60 | 81.73 | 77.87 | 69.16 | b | 68.98 | 56.08 | 44.84 | 61.03 | |||||||||||
1934 | 45.95 | 51.16 | 58.03 | 63.05 | 67.94 | 71.18 | 77.47 | 76.48 | 72.77 | 64.13 | 55.45 | a | 47.12 | b | 62.56 | |||||||||||
1935 | 46.34 | 48.23 | 49.58 | ----- | z | 62.77 | 74.87 | d | 76.15 | 77.89 | 71.55 | 61.44 | 50.40 | a | 46.66 | 60.53 | a | |||||||||
1936 | 48.82 | 49.97 | 54.02 | 58.48 | 66.76 | 72.47 | 78.50 | 79.48 | 74.33 | 66.00 | 54.57 | 44.31 | 62.31 | |||||||||||||
1937 | 38.07 | b | 47.50 | 54.10 | 54.85 | 65.74 | 72.52 | 79.58 | 78.08 | 72.48 | 65.45 | 56.17 | 48.61 | 61.10 | ||||||||||||
1938 | 44.21 | 49.59 | 50.52 | a | 54.23 | 63.50 | f | 74.96 | d | 78.42 | 75.58 | 74.75 | 62.92 | 50.82 | 47.37 | d | 60.31 | a | ||||||||
1939 | 44.32 | 45.82 | 52.48 | a | 61.42 | 65.44 | 73.43 | 77.45 | 76.69 | 74.78 | a | 63.89 | 55.52 | 49.45 | 61.72 | |||||||||||
1940 | 48.60 | 52.41 | 55.61 | d | 58.57 | 67.21 | 76.47 | 76.53 | 75.73 | 69.98 | 64.87 | 53.48 | c | 49.85 | 62.44 | |||||||||||
1941 | 48.84 | ----- | z | ----- | z | 56.41 | b | 65.82 | 71.47 | 79.56 | 73.23 | a | 69.47 | a | 61.90 | a | 54.69 | a | 48.60 | a | 63.00 | b | ||||
1942 | 47.03 | 49.57 | 51.74 | 57.53 | 61.09 | b | 71.17 | 78.60 | 75.07 | c | 69.63 | 64.45 | 52.58 | 46.72 | f | 61.68 | a | |||||||||
1943 | 47.46 | e | 52.76 | a | ----- | z | 59.45 | a | 67.37 | 70.07 | 76.44 | 73.50 | 73.48 | 62.97 | 54.32 | 47.00 | b | 62.26 | a | |||||||
1944 | 46.60 | e | ----- | z | ----- | z | 54.92 | 65.37 | 69.08 | 75.06 | 75.35 | 74.18 | 65.09 | d | 54.35 | 46.50 | 62.65 | b | ||||||||
1945 | 42.73 | a | 47.24 | k | 48.45 | a | 56.32 | 62.60 | 73.21 | a | 79.97 | a | 75.42 | 72.73 | ----- | z | ----- | z | 46.88 | a | 62.03 | c | ||||
1946 | 43.62 | a | 46.21 | 52.03 | 58.20 | 65.66 | 70.17 | 77.11 | 75.85 | 71.63 | 60.00 | 49.47 | a | 44.61 | 59.55 | |||||||||||
1947 | 39.87 | a | 48.96 | 54.23 | 60.00 | 70.26 | 73.28 | 73.98 | 73.55 | 75.94 | l | 60.85 | e | 48.33 | 44.16 | b | 58.86 | a | ||||||||
1948 | 47.69 | 46.43 | 49.34 | 54.78 | a | 60.18 | a | 69.82 | 74.85 | 73.39 | 71.52 | 60.26 | n | 50.79 | a | 42.22 | a | 58.27 | a | |||||||
1949 | 36.19 | e | 45.29 | d | 51.60 | 60.05 | 63.97 | 73.72 | 76.27 | a | 72.45 | 72.40 | j | 58.94 | g | 56.68 | 43.19 | 57.94 | b | |||||||
1950 | 42.10 | 48.91 | 50.76 | 58.35 | 64.40 | 69.93 | 78.18 | 76.85 | 71.42 | e | 63.45 | l | 56.23 | 50.31 | b | 60.68 | a | |||||||||
1951 | 44.52 | 48.07 | 50.13 | 57.27 | 65.15 | 70.12 | 75.50 | 75.13 | ----- | z | ----- | z | ----- | z | 43.74 | 58.85 | c | |||||||||
1952 | 43.71 | 48.12 | 48.42 | 56.98 | 65.45 | 66.58 | 77.76 | 75.48 | 73.03 | a | 65.92 | 50.73 | 46.40 | 59.88 | ||||||||||||
1953 | 48.81 | 47.46 | 50.74 | 56.70 | 59.92 | a | 67.22 | 79.37 | 72.53 | 73.03 | 62.26 | 53.58 | 45.40 | 59.75 | ||||||||||||
1954 | 44.85 | 47.09 | 49.50 | 60.18 | 64.98 | 70.07 | 78.35 | 71.68 | 67.98 | 61.68 | 51.03 | 43.06 | 59.21 | |||||||||||||
1955 | 40.31 | 45.54 | 50.60 | 53.21 | a | 63.89 | 70.03 | 73.77 | 75.63 | 72.92 | 65.38 | k | 50.42 | 48.55 | 58.62 | a | ||||||||||
1956 | 47.35 | a | 44.93 | 51.06 | 56.28 | 64.50 | 72.43 | 76.48 | 73.55 | j | 70.83 | a | 61.45 | a | 52.02 | 44.10 | 58.31 | a | ||||||||
1957 | 41.71 | 50.30 | 53.63 | 56.90 | 63.00 | b | 75.02 | 77.47 | 75.68 | a | 73.33 | 60.95 | a | 50.81 | a | 44.08 | 60.24 | |||||||||
1958 | 45.24 | 51.77 | 49.40 | 56.33 | 66.89 | 70.45 | 75.80 | a | 79.68 | a | 73.24 | a | 67.23 | 54.18 | 49.66 | 61.66 | ||||||||||
1959 | 47.82 | 48.00 | 55.37 | 62.02 | 63.52 | 73.75 | 81.55 | ----- | z | 68.39 | b | 65.73 | c | 53.57 | 45.40 | 60.47 | a | |||||||||
1960 | 43.89 | 48.91 | 54.40 | 57.35 | 62.34 | 76.45 | 79.45 | 74.73 | 71.60 | 61.66 | 50.67 | 43.27 | 60.39 | |||||||||||||
1961 | 39.24 | 50.30 | 50.56 | 57.67 | 60.71 | 74.55 | 79.16 | 76.24 | 68.88 | 62.60 | 50.18 | 42.29 | 59.37 | |||||||||||||
1962 | 38.76 | 46.88 | 50.26 | 61.13 | 62.74 | 72.71 | a | 75.84 | 74.89 | 70.20 | 61.90 | a | 54.52 | 44.82 | a | 59.55 | ||||||||||
1963 | 39.50 | 55.34 | 51.03 | 53.63 | 62.61 | 69.67 | 73.73 | 74.66 | 73.13 | 63.83 | a | 50.77 | 39.40 | 58.94 | ||||||||||||
1964 | 43.79 | 46.79 | 50.13 | a | 56.60 | 61.35 | 69.10 | 75.97 | 75.39 | 68.25 | 66.48 | 49.55 | a | 49.02 | 59.37 | |||||||||||
1965 | 45.38 | a | 47.27 | 51.73 | 56.55 | 62.38 | a | 66.57 | 74.48 | a | 75.60 | 66.80 | 65.60 | a | 54.17 | 41.21 | 58.98 | |||||||||
1966 | 44.34 | 46.84 | 52.16 | 61.95 | 66.79 | 71.63 | 72.89 | 77.23 | 71.55 | 65.31 | 56.07 | 46.10 | a | 61.07 | ||||||||||||
1967 | 44.84 | 47.16 | 51.32 | a | 50.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.93 | a | 57.55 | 43.87 | 51.32 | e | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.82 | 48.67 | 51.94 | 57.04 | 64.24 | 71.72 | 77.12 | 75.51 | 71.04 | 63.26 | 52.96 | 45.26 | 60.27 | |||||||||||||
S.D. | 3.13 | 2.43 | 2.15 | 2.80 | 2.43 | 2.83 | 2.18 | 1.78 | 2.64 | 2.24 | 2.59 | 2.57 | 1.16 | |||||||||||||
SKEW | -0.36 | 0.68 | 0.62 | 0.11 | 0.12 | 0.62 | 0.18 | 0.19 | -0.30 | 0.13 | 0.16 | 0.07 | 0.64 | |||||||||||||
MAX | 48.84 | 55.34 | 58.03 | 63.05 | 70.26 | 81.17 | 81.95 | 79.68 | 76.03 | 68.98 | 58.26 | 50.31 | 62.56 | |||||||||||||
MIN | 36.19 | 44.93 | 48.42 | 50.58 | 59.40 | 65.92 | 72.89 | 71.68 | 63.60 | 57.92 | 48.33 | 39.40 | 58.75 | |||||||||||||
YRS | 49 | 46 | 45 | 49 | 46 | 48 | 49 | 47 | 46 | 43 | 46 | 47 | 27 |