YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 27.70 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.70 | k |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 26.80 | k | 22.80 | 23.06 | 22.93 | j | ||
1909 | 28.84 | 23.11 | 25.97 | 31.07 | 34.23 | ----- | z | 56.03 | 55.35 | 49.60 | 36.35 | 23.17 | l | ----- | z | 37.84 | c | |||||||||
1910 | 10.71 | x | ----- | 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 | ----- | 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 | 42.47 | ----- | z | 49.44 | v | 44.41 | a | 37.78 | d | 23.43 | 19.20 | a | 33.46 | g | ||
1945 | 15.00 | a | 23.41 | a | ----- | z | ----- | z | 32.42 | s | 38.07 | c | 52.21 | c | 51.94 | ----- | z | ----- | z | 17.46 | b | ----- | z | 33.02 | f | |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | 33.70 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.70 | k | |
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 | 28.50 | b | 15.90 | a | 22.20 | j |
1950 | 22.64 | f | 26.44 | a | 26.97 | 36.00 | c | 38.50 | e | 46.12 | n | 56.16 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.98 | h | |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.81 | o | 25.13 | 21.39 | 23.26 | j | ||
1952 | 24.26 | 20.83 | 23.19 | 33.77 | 41.00 | 48.67 | 54.35 | 55.61 | 47.53 | 37.23 | a | 18.83 | 16.77 | 35.17 | ||||||||||||
1953 | 23.19 | 16.67 | a | 25.65 | 33.10 | 35.97 | 48.33 | 57.60 | a | 53.70 | a | 46.73 | 34.71 | 24.83 | a | 15.10 | 34.63 | |||||||||
1954 | 21.69 | b | 21.74 | a | 24.93 | a | 36.10 | 42.74 | 48.77 | 57.32 | 53.35 | 49.07 | 37.42 | 25.10 | 16.97 | 36.27 | ||||||||||
1955 | 13.55 | 15.14 | 25.55 | 27.83 | 38.42 | 46.57 | 54.29 | 55.48 | 48.60 | 38.55 | 25.27 | 26.13 | 34.61 | |||||||||||||
1956 | 25.35 | 13.62 | 23.84 | 30.27 | 39.81 | 49.93 | 50.96 | d | 51.03 | 49.17 | 36.32 | 15.77 | 15.52 | 33.47 | ||||||||||||
1957 | 26.55 | 30.21 | 28.97 | 30.10 | 36.71 | 47.87 | 54.77 | 54.71 | 46.80 | 37.71 | 23.03 | 21.29 | 36.56 | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | 18.61 | 22.21 | 22.42 | 34.27 | 37.55 | 51.17 | 57.19 | 54.90 | 46.43 | 34.26 | 23.97 | 19.97 | a | 35.25 | ||||||||||||
1960 | 10.90 | 20.71 | e | 31.13 | 32.41 | a | ----- | z | ----- | z | ----- | z | 56.15 | e | 50.07 | 37.67 | a | 28.03 | a | 15.83 | b | 31.43 | c | |||
1961 | 16.55 | 21.79 | 27.65 | 34.41 | c | 39.42 | 50.30 | 55.77 | ----- | z | 42.73 | s | 34.55 | 26.63 | 15.90 | 32.30 | b | |||||||||
1962 | 14.03 | 22.96 | a | 22.10 | 34.82 | b | 37.53 | a | 45.31 | a | 56.65 | 54.87 | 50.55 | a | 37.34 | b | 29.77 | d | 21.31 | e | 35.60 | |||||
1963 | 15.67 | a | 26.68 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.17 | l | 15.57 | h | 21.17 | j | |
1964 | 13.52 | f | 14.20 | d | 20.66 | b | ----- | z | 40.17 | b | ----- | z | 55.03 | b | 53.24 | f | 44.89 | l | 38.71 | q | 19.56 | l | 25.00 | b | 31.01 | g |
1965 | 22.18 | c | 17.39 | e | ----- | z | ----- | z | 36.92 | f | 43.92 | f | ----- | z | ----- | z | 41.12 | n | 34.88 | g | 34.38 | n | ----- | z | 19.78 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 20.27 | 21.07 | 25.31 | 32.91 | 38.50 | 47.04 | 55.18 | 54.28 | 48.09 | 36.66 | 23.90 | 19.29 | 35.19 | |||||||||||||
S.D. | 5.74 | 4.69 | 2.93 | 2.47 | 2.32 | 3.85 | 2.04 | 1.61 | 1.86 | 1.43 | 3.98 | 3.64 | 0.99 | |||||||||||||
SKEW | -0.06 | 0.03 | 0.32 | -0.59 | -0.02 | -1.25 | -0.74 | -0.90 | -0.49 | -0.63 | -0.64 | 0.48 | -0.27 | |||||||||||||
MAX | 28.84 | 30.21 | 31.13 | 36.10 | 42.74 | 51.17 | 57.60 | 56.15 | 50.55 | 38.55 | 29.77 | 26.13 | 36.56 | |||||||||||||
MIN | 10.90 | 13.62 | 20.66 | 27.83 | 34.23 | 38.07 | 50.96 | 51.03 | 44.41 | 34.26 | 15.77 | 15.10 | 33.47 | |||||||||||||
YRS | 15 | 16 | 13 | 13 | 12 | 11 | 12 | 11 | 11 | 12 | 15 | 15 | 8 |