YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | 32.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.52 | k | |
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.07 | a | 42.53 | 47.29 | 51.63 | i | ||
1897 | 42.73 | a | 48.00 | 47.45 | 70.90 | 78.94 | 71.77 | 75.19 | 86.81 | 72.43 | 66.07 | a | 48.28 | a | 45.37 | a | 62.83 | |||||||||
1898 | 41.48 | 49.96 | 52.45 | 63.03 | 67.97 | 73.90 | 81.19 | 85.16 | 79.57 | 53.44 | o | ----- | z | 42.64 | t | 66.08 | c | |||||||||
1899 | 45.97 | 45.39 | 51.70 | a | 58.47 | 58.57 | a | 70.27 | 81.71 | 74.87 | 86.13 | 64.42 | 58.40 | 48.35 | 62.02 | |||||||||||
1900 | 52.94 | 50.00 | 68.19 | 63.75 | r | 67.77 | 70.80 | 77.61 | 76.06 | ----- | z | ----- | z | ----- | z | 50.44 | m | 66.20 | e | |||||||
1901 | ----- | z | ----- | z | ----- | z | ----- | z | 65.70 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | 71.19 | 78.97 | 85.32 | 81.39 | 83.31 | a | 68.10 | 52.40 | 52.94 | 71.70 | d | |||||||
1939 | 52.27 | a | 47.82 | 60.23 | a | 70.10 | 70.48 | 69.73 | 79.66 | b | 84.19 | 77.03 | 63.65 | 55.77 | 50.35 | 65.11 | ||||||||||
1940 | 47.55 | 49.79 | 57.03 | a | 60.90 | 71.10 | 76.00 | 75.06 | 79.03 | 72.40 | 63.23 | 48.43 | 46.90 | 62.29 | ||||||||||||
1941 | 48.55 | 54.29 | 61.97 | 62.30 | 64.35 | 67.73 | 81.16 | 73.94 | 65.73 | 61.77 | 53.80 | 45.61 | 61.77 | |||||||||||||
1942 | 42.71 | 47.29 | 54.03 | 59.70 | 62.26 | 66.90 | 76.68 | 77.35 | 74.33 | 65.00 | 48.80 | 44.97 | 60.00 | |||||||||||||
1943 | 40.97 | 52.96 | 51.84 | 61.97 | 62.13 | 67.87 | 73.63 | l | ----- | z | 77.80 | 61.10 | 54.43 | 47.62 | e | 57.87 | b | |||||||||
1944 | 45.29 | 47.41 | 51.97 | 57.97 | 64.23 | 68.55 | a | 76.48 | 74.52 | 75.73 | 68.69 | b | 51.93 | 45.74 | 60.71 | |||||||||||
1945 | 47.55 | 48.89 | 49.03 | 55.07 | 67.07 | a | 69.67 | 79.00 | a | 77.94 | 69.90 | a | 63.40 | a | 48.31 | a | 44.61 | 60.04 | ||||||||
1946 | 45.13 | 46.64 | 52.13 | 57.63 | 67.35 | 67.10 | 75.45 | 77.45 | 70.73 | 56.65 | 50.03 | 46.19 | 59.37 | |||||||||||||
1947 | 41.13 | 53.89 | 59.67 | a | 62.33 | 70.87 | 67.80 | 73.83 | a | 74.03 | 74.40 | 59.90 | a | 52.34 | a | 46.83 | b | 61.42 | ||||||||
1948 | 47.58 | 44.66 | 49.83 | b | 53.20 | 62.77 | 74.53 | 74.42 | 72.00 | c | 71.03 | 60.70 | a | 47.67 | 40.45 | 58.24 | ||||||||||
1949 | 37.65 | 44.82 | 52.65 | 63.37 | 68.32 | c | 71.10 | 75.53 | a | 74.42 | 75.50 | 59.48 | 58.43 | b | 43.42 | 60.39 | ||||||||||
1950 | 34.06 | 45.25 | 48.79 | b | 56.36 | b | 64.68 | 71.11 | u | 76.75 | c | 78.62 | g | 74.83 | 57.77 | 49.80 | 50.10 | b | 55.84 | b | ||||||
1951 | 41.83 | a | 49.29 | d | 48.39 | c | 64.83 | 66.76 | b | 74.70 | 76.69 | b | 76.45 | 76.27 | 61.34 | b | 50.23 | d | 41.10 | 60.66 | ||||||
1952 | 40.20 | f | 46.31 | 50.14 | b | 62.57 | 67.27 | a | 64.82 | h | 80.00 | 78.72 | b | 79.57 | 72.29 | 51.57 | 46.67 | d | 63.51 | b | ||||||
1953 | 49.90 | 49.71 | 52.87 | 57.34 | a | 63.43 | a | 64.76 | a | 76.29 | 75.86 | c | 74.47 | 65.06 | 53.68 | b | 47.16 | 60.88 | ||||||||
1954 | 42.07 | b | 51.57 | 53.60 | a | 57.20 | j | 66.42 | 67.17 | a | 72.26 | 71.16 | 70.52 | c | 62.73 | a | 53.93 | 44.93 | b | 59.67 | a | |||||
1955 | 43.71 | 46.68 | 47.06 | 53.10 | 62.23 | a | 70.10 | 71.10 | b | 77.52 | 72.87 | ----- | z | ----- | z | ----- | z | 60.49 | c | |||||||
1956 | 44.68 | 40.97 | 50.00 | 64.33 | 71.81 | 66.00 | 79.68 | 76.06 | 72.23 | 57.35 | 53.20 | 46.61 | 60.24 | |||||||||||||
1957 | 37.58 | 49.46 | 52.45 | 60.13 | 68.13 | 69.86 | a | 73.48 | 72.19 | 78.30 | 60.97 | 52.63 | 48.16 | 60.28 | ||||||||||||
1958 | 48.61 | 54.07 | 52.16 | 58.20 | 72.23 | 73.77 | 82.68 | 81.71 | 72.50 | 66.68 | 50.10 | 49.61 | 63.53 | |||||||||||||
1959 | 44.97 | 46.14 | 52.81 | 59.90 | 63.71 | 68.50 | 78.55 | 75.03 | 67.00 | 62.32 | 52.97 | 44.97 | 59.74 | |||||||||||||
1960 | 40.50 | c | 47.07 | 53.26 | 58.45 | a | 61.57 | a | 72.60 | 82.03 | 73.65 | 73.55 | a | 62.75 | c | 50.07 | b | 45.42 | e | 60.08 | ||||||
1961 | 49.10 | 49.29 | 52.41 | b | 56.80 | 64.67 | a | 77.90 | a | 79.86 | c | 82.23 | a | 70.13 | 61.39 | 47.93 | a | 43.37 | a | 61.26 | ||||||
1962 | 43.00 | 49.18 | 51.42 | 61.43 | 59.03 | a | 71.29 | b | 76.87 | 74.72 | b | 74.00 | c | 61.94 | 51.87 | 46.57 | a | 60.11 | ||||||||
1963 | 40.23 | 55.68 | 52.77 | 56.28 | a | 67.39 | 67.43 | 70.38 | b | 75.10 | 75.97 | a | 60.94 | 49.27 | 44.84 | 59.69 | ||||||||||
1964 | 43.42 | 48.76 | 51.58 | ----- | z | 62.71 | 68.57 | 73.19 | 71.94 | 69.79 | b | 65.00 | a | 46.90 | 39.80 | a | 58.33 | a | ||||||||
1965 | 43.55 | 48.15 | a | 58.62 | b | ----- | z | 63.74 | 71.23 | 78.00 | c | 76.74 | 70.33 | 65.23 | 51.07 | 40.93 | a | 60.69 | a | |||||||
1966 | 41.26 | 46.29 | 52.45 | 60.03 | 67.55 | 69.17 | 73.77 | 77.71 | 73.57 | 61.73 | a | 51.30 | 44.83 | b | 59.97 | |||||||||||
1967 | 44.93 | a | 49.46 | 49.71 | 54.30 | 65.90 | 75.67 | 79.05 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.66 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.80 | 48.64 | 53.05 | 60.03 | 66.31 | 70.67 | 77.18 | 76.97 | 74.12 | 62.99 | 51.23 | 45.86 | 60.90 | |||||||||||||
S.D. | 4.61 | 3.15 | 4.43 | 4.31 | 4.17 | 3.51 | 3.55 | 3.93 | 4.31 | 3.37 | 3.30 | 2.92 | 1.50 | |||||||||||||
SKEW | -0.28 | 0.24 | 1.57 | 0.66 | 0.62 | 0.63 | 0.16 | 0.85 | 0.67 | 0.49 | 0.02 | -0.04 | 1.03 | |||||||||||||
MAX | 52.94 | 55.68 | 68.19 | 70.90 | 78.94 | 78.97 | 85.32 | 86.81 | 86.13 | 72.29 | 58.43 | 52.94 | 65.11 | |||||||||||||
MIN | 32.52 | 40.97 | 47.06 | 53.10 | 58.57 | 64.76 | 70.38 | 71.16 | 65.73 | 56.65 | 42.53 | 39.80 | 58.24 | |||||||||||||
YRS | 33 | 33 | 33 | 29 | 34 | 32 | 32 | 31 | 32 | 31 | 31 | 31 | 23 |