YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 10.80 | a | 10.80 | k |
1906 | ----- | z | 10.89 | 12.03 | 26.60 | 31.55 | 36.38 | a | 42.39 | 38.10 | 33.77 | 28.77 | 21.80 | 23.06 | 27.76 | a | ||||||||||
1907 | 8.00 | 22.57 | 23.29 | 27.13 | 30.29 | 35.93 | 40.32 | 34.97 | 32.73 | 29.26 | 22.67 | 16.84 | 27.00 | |||||||||||||
1908 | 14.97 | 15.55 | 16.87 | 25.93 | 29.16 | 34.97 | a | 40.35 | 36.77 | 32.97 | 27.26 | 23.90 | a | 16.93 | a | 26.30 | ||||||||||
1909 | 15.77 | a | 19.36 | 21.35 | 23.23 | 28.48 | 36.14 | a | 36.73 | a | 33.81 | 36.53 | 26.97 | 25.87 | 4.74 | 25.75 | ||||||||||
1910 | 8.13 | 14.37 | a | 24.29 | 30.24 | e | 32.74 | 33.63 | 37.81 | 31.33 | a | 30.80 | ----- | z | ----- | z | ----- | z | 27.04 | c | ||||||
1911 | 12.48 | 4.32 | 15.77 | 22.60 | 30.00 | a | 38.40 | 37.87 | 32.07 | c | ----- | z | ----- | z | ----- | z | ----- | z | 24.19 | d | ||||||
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 | ----- | 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 | 23.27 | 14.55 | 18.91 | j | ||
1948 | 11.00 | 8.38 | 15.23 | 23.97 | 31.68 | 39.57 | 37.23 | a | 36.87 | 31.97 | 27.84 | 18.00 | a | 7.45 | 24.10 | |||||||||||
1949 | -5.61 | c | 12.44 | a | 22.13 | 25.40 | 34.16 | 34.20 | 37.71 | 38.13 | a | 34.50 | 25.03 | ----- | z | 15.45 | 24.87 | a | ||||||||
1950 | 5.61 | 13.96 | 12.87 | 23.13 | 26.71 | 35.93 | 38.37 | a | 37.61 | 33.40 | 31.87 | 23.83 | 23.63 | a | 25.58 | |||||||||||
1951 | 10.10 | 13.04 | 11.55 | b | 24.17 | 30.90 | a | 34.21 | a | 38.94 | 36.43 | a | 32.00 | a | 29.29 | 20.03 | 10.58 | 24.27 | ||||||||
1952 | 6.68 | 9.00 | 15.06 | 25.38 | a | 32.52 | 36.77 | 39.03 | 38.16 | 35.47 | 29.03 | a | 14.93 | 13.45 | 24.62 | |||||||||||
1953 | 22.48 | 15.61 | 19.84 | 24.07 | 30.00 | 34.00 | 37.61 | 39.81 | 34.40 | 30.13 | 27.24 | a | 16.19 | 27.61 | ||||||||||||
1954 | 13.29 | 19.32 | 13.77 | 25.43 | 32.00 | 36.00 | 39.32 | 36.03 | 32.73 | 27.06 | 26.83 | a | 10.94 | 26.06 | ||||||||||||
1955 | 10.26 | 8.14 | 12.52 | 23.00 | a | 28.68 | 37.00 | 40.32 | 35.74 | 33.27 | 29.81 | 18.17 | a | 16.60 | a | 24.46 | ||||||||||
1956 | 13.00 | a | 7.48 | 16.77 | 25.40 | 34.61 | 36.17 | 41.45 | 38.26 | 33.37 | 27.32 | 18.60 | 16.81 | 25.77 | ||||||||||||
1957 | 3.35 | 13.79 | 21.68 | 27.47 | 35.65 | 39.30 | 38.10 | 36.39 | 34.47 | 30.35 | 16.67 | 17.71 | 26.24 | |||||||||||||
1958 | 14.97 | 24.04 | 14.40 | a | 25.80 | 35.10 | 40.40 | 41.55 | 42.00 | 33.93 | 29.06 | 22.17 | 23.35 | 28.90 | ||||||||||||
1959 | 17.52 | 15.93 | 18.68 | 26.50 | 30.26 | 37.83 | 39.06 | 36.65 | 35.53 | 30.29 | 19.37 | 15.74 | 26.95 | |||||||||||||
1960 | 9.29 | 11.45 | 20.29 | 26.80 | 30.77 | 35.73 | 41.74 | 37.97 | 33.87 | 28.97 | 22.13 | 12.48 | 25.96 | |||||||||||||
1961 | 15.58 | 24.14 | 21.52 | 26.67 | 32.39 | 39.36 | b | 40.16 | 42.39 | 30.63 | 27.81 | 18.57 | 15.00 | 27.85 | ||||||||||||
1962 | 8.06 | 15.11 | 17.13 | 27.20 | 32.19 | 34.27 | 37.77 | 38.19 | 34.13 | 30.03 | 23.10 | 18.32 | 26.29 | |||||||||||||
1963 | 6.16 | 26.00 | 20.90 | 25.10 | 33.17 | a | 37.30 | 36.90 | 38.42 | 38.60 | 30.35 | 25.03 | 15.59 | b | 27.79 | |||||||||||
1964 | 11.97 | 11.52 | b | 16.97 | 24.32 | b | 27.87 | 37.47 | 41.29 | c | 38.38 | b | 30.50 | 28.42 | 21.07 | 15.33 | a | 25.42 | ||||||||
1965 | 17.43 | a | 16.54 | 13.03 | 27.03 | 29.13 | 36.63 | 40.06 | 40.68 | 28.93 | 29.65 | 26.20 | 12.26 | 26.46 | ||||||||||||
1966 | 14.42 | 13.14 | 15.90 | 25.27 | 31.03 | 35.27 | 38.74 | 39.10 | 36.57 | 25.55 | 24.87 | 18.13 | 26.50 | |||||||||||||
1967 | 18.77 | 15.43 | 18.00 | 22.30 | 28.77 | 37.93 | 40.48 | 40.74 | 36.97 | 29.19 | o | ----- | z | ----- | z | 28.82 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 11.35 | 14.67 | 17.38 | 25.39 | 31.15 | 36.57 | 39.28 | 37.50 | 33.68 | 28.70 | 21.93 | 15.28 | 26.19 | |||||||||||||
S.D. | 5.80 | 5.43 | 3.73 | 1.82 | 2.29 | 1.85 | 1.63 | 2.63 | 2.23 | 1.65 | 3.40 | 4.49 | 1.25 | |||||||||||||
SKEW | -0.74 | 0.38 | 0.16 | 0.35 | 0.17 | 0.31 | 0.21 | -0.40 | 0.05 | -0.46 | -0.26 | -0.15 | 0.18 | |||||||||||||
MAX | 22.48 | 26.00 | 24.29 | 30.24 | 35.65 | 40.40 | 42.39 | 42.39 | 38.60 | 31.87 | 27.24 | 23.63 | 28.90 | |||||||||||||
MIN | -5.61 | 4.32 | 11.55 | 22.30 | 26.71 | 33.63 | 36.73 | 31.33 | 28.93 | 25.03 | 14.93 | 4.74 | 24.10 | |||||||||||||
YRS | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 23 | 23 | 25 | 21 |