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 | 37.30 | u | 31.67 | 37.35 | 34.51 | j | ||
1897 | 33.00 | a | 34.14 | 31.13 | 37.73 | 42.52 | 46.97 | 45.39 | 48.29 | 43.87 | 40.13 | 35.31 | a | 34.57 | a | 39.42 | ||||||||||
1898 | 29.97 | 35.29 | 31.13 | 36.30 | 38.65 | 43.43 | 46.52 | 50.03 | 43.57 | 38.13 | h | 33.13 | 28.41 | b | 37.86 | a | ||||||||||
1899 | 32.94 | 29.26 | a | 31.10 | 35.00 | 39.53 | a | 40.50 | 45.03 | 49.42 | 44.07 | 38.94 | 40.57 | 32.83 | a | 38.26 | ||||||||||
1900 | 33.45 | 31.32 | 34.23 | 37.50 | r | 42.39 | 41.90 | 41.00 | 44.68 | ----- | z | ----- | z | ----- | z | 32.56 | m | 38.42 | e | |||||||
1901 | ----- | z | ----- | z | ----- | z | ----- | z | 40.90 | 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 | 38.23 | 41.40 | 43.00 | 36.23 | 46.20 | 36.43 | a | 29.75 | b | 26.34 | b | 37.20 | d | |||||
1939 | 30.70 | a | 28.64 | 33.26 | 33.27 | 39.31 | b | 42.41 | a | 44.27 | a | 43.94 | 44.90 | 41.35 | 35.60 | 37.06 | 37.89 | |||||||||
1940 | 31.35 | 35.59 | 37.07 | b | 38.30 | 42.06 | 44.03 | 50.13 | 49.45 | 49.20 | 44.29 | 31.53 | 33.48 | 40.54 | ||||||||||||
1941 | 33.55 | 34.14 | 35.10 | 37.73 | 42.06 | 45.47 | 51.26 | 49.94 | 45.03 | 40.32 | 37.60 | 33.13 | 40.44 | |||||||||||||
1942 | 27.71 | 31.43 | 30.81 | 36.83 | 41.77 | 44.70 | 51.61 | 51.68 | 45.63 | 40.84 | 35.21 | b | 35.58 | 39.48 | ||||||||||||
1943 | 24.87 | 30.86 | 31.97 | 37.93 | 39.03 | 44.60 | 47.32 | l | ----- | z | 43.60 | 37.94 | 32.63 | 27.67 | a | 35.11 | b | |||||||||
1944 | 28.35 | 28.52 | 29.13 | 36.50 | 39.06 | 43.57 | 45.97 | 46.10 | 45.57 | 40.39 | c | 36.10 | 28.61 | 37.32 | ||||||||||||
1945 | 32.84 | 33.93 | 32.26 | 35.83 | 42.13 | 40.87 | 45.23 | 46.84 | 41.43 | 36.60 | a | 35.50 | 31.52 | 37.91 | ||||||||||||
1946 | 31.35 | 31.81 | a | 34.06 | 33.79 | a | 40.13 | 44.80 | 46.26 | 45.71 | 42.34 | a | 34.27 | a | 29.50 | 29.90 | 36.99 | |||||||||
1947 | 25.13 | 31.89 | 33.13 | 37.60 | 41.52 | 44.57 | 46.07 | a | 45.42 | 42.27 | 41.07 | a | 35.21 | a | 32.94 | 38.07 | ||||||||||
1948 | 27.35 | 26.86 | 29.62 | b | 34.10 | 38.03 | 45.41 | a | 44.68 | 46.17 | b | 38.63 | 32.87 | a | 30.20 | 25.39 | 34.94 | |||||||||
1949 | 12.68 | 26.43 | 33.77 | 35.83 | 40.82 | c | 41.00 | 44.33 | a | 46.90 | 45.07 | 34.39 | 37.21 | b | 31.29 | 35.81 | ||||||||||
1950 | 19.13 | 29.39 | 32.93 | b | 31.64 | b | 35.52 | 38.67 | u | 44.68 | c | 46.58 | g | 40.77 | 38.87 | 35.10 | 37.45 | b | 34.55 | b | ||||||
1951 | 28.93 | a | 32.04 | c | 28.11 | c | 31.70 | 38.59 | b | 42.50 | 46.34 | b | 43.94 | 44.10 | 39.66 | b | 33.92 | d | 28.35 | 36.52 | ||||||
1952 | 28.68 | f | 30.97 | 30.52 | b | 32.70 | 36.70 | a | 42.14 | i | 45.16 | 47.97 | b | 40.23 | 36.77 | 25.83 | 29.81 | d | 35.67 | b | ||||||
1953 | 36.06 | 30.18 | 32.90 | 33.21 | a | 38.47 | a | 42.25 | b | 45.39 | 47.29 | c | 43.27 | 37.84 | 35.71 | b | 33.23 | 37.98 | ||||||||
1954 | 30.21 | c | 31.39 | 27.47 | a | 34.15 | j | 39.10 | 42.17 | a | 44.68 | 47.77 | 45.11 | c | 37.47 | a | 38.07 | 31.00 | b | 37.68 | a | |||||
1955 | 30.71 | 29.43 | 27.35 | 32.37 | 36.67 | a | 44.97 | 46.87 | a | 43.45 | 41.67 | ----- | z | ----- | z | ----- | z | 37.05 | c | |||||||
1956 | 32.19 | 27.03 | 32.26 | 35.50 | 40.32 | 43.87 | 47.39 | 48.45 | 43.73 | 39.42 | 31.83 | a | 32.29 | 37.86 | ||||||||||||
1957 | 23.26 | 30.96 | 34.90 | 36.73 | 42.81 | 45.72 | a | 45.87 | 45.29 | 45.90 | 39.81 | 30.50 | 34.45 | 38.02 | ||||||||||||
1958 | 34.39 | 38.64 | 31.06 | 35.83 | 42.52 | 49.57 | 50.97 | 47.55 | 44.43 | 39.19 | 35.70 | 38.52 | 40.70 | |||||||||||||
1959 | 34.32 | 33.25 | 33.90 | 35.93 | 38.06 | 45.93 | 47.52 | 44.87 | 45.33 | 40.58 | 33.20 | 31.71 | 38.72 | |||||||||||||
1960 | 29.68 | c | 31.38 | 32.48 | 37.21 | a | 39.73 | a | 42.70 | 44.32 | 48.00 | 42.72 | a | 39.96 | c | 33.83 | a | 30.17 | a | 37.68 | ||||||
1961 | 33.71 | 35.86 | 35.83 | a | 35.90 | a | 40.61 | 45.43 | 49.00 | c | 49.03 | 40.13 | 37.06 | 29.45 | a | 32.23 | a | 38.69 | ||||||||
1962 | 27.58 | 31.46 | 30.13 | 36.24 | a | 38.97 | a | 40.43 | b | 44.94 | 46.97 | 43.74 | c | 41.32 | 35.90 | 32.58 | 37.52 | |||||||||
1963 | 23.77 | 35.43 | 32.06 | 36.10 | a | 37.61 | 42.90 | 46.41 | b | 48.45 | 47.76 | a | 41.16 | 35.93 | 31.42 | 38.25 | ||||||||||
1964 | 33.03 | 29.14 | 32.32 | ----- | z | 36.97 | 43.83 | 45.94 | 45.71 | 41.76 | a | 37.23 | a | 31.53 | 28.93 | a | 36.95 | a | ||||||||
1965 | 30.77 | 32.93 | a | 28.14 | c | ----- | z | 36.45 | 40.20 | 46.04 | c | 48.55 | 41.80 | 41.68 | 38.30 | 30.55 | 37.76 | a | ||||||||
1966 | 31.35 | 32.00 | 32.00 | 35.27 | 36.45 | 42.67 | 46.48 | 43.97 | 45.17 | 38.32 | 35.83 | 34.87 | a | 37.87 | ||||||||||||
1967 | 35.10 | a | 30.75 | 31.74 | 31.70 | 37.94 | 46.47 | 44.81 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.62 | f | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.67 | 31.59 | 31.94 | 35.34 | 39.43 | 43.66 | 46.21 | 46.71 | 43.72 | 38.87 | 33.98 | 31.99 | 38.13 | |||||||||||||
S.D. | 4.94 | 2.79 | 2.34 | 2.01 | 2.08 | 2.15 | 2.32 | 2.84 | 2.26 | 2.48 | 3.17 | 3.24 | 1.40 | |||||||||||||
SKEW | -1.58 | 0.31 | -0.12 | -0.51 | 0.06 | 0.43 | 0.71 | -1.49 | -0.00 | -0.45 | -0.39 | 0.09 | -0.04 | |||||||||||||
MAX | 36.06 | 38.64 | 37.07 | 38.30 | 42.81 | 49.57 | 51.61 | 51.68 | 49.20 | 44.29 | 40.57 | 38.52 | 40.70 | |||||||||||||
MIN | 12.68 | 26.43 | 27.35 | 31.64 | 35.52 | 40.20 | 41.00 | 36.23 | 38.63 | 32.87 | 25.83 | 25.39 | 34.94 | |||||||||||||
YRS | 32 | 33 | 33 | 29 | 34 | 32 | 32 | 31 | 32 | 30 | 32 | 32 | 23 |