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 | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | 27.16 | 43.17 | 46.21 | 50.76 | a | 65.23 | 60.69 | 54.17 | 45.76 | 33.35 | 32.06 | 45.86 | b | |||||||||
1907 | 21.56 | 35.16 | 33.15 | 41.15 | 47.73 | 50.48 | 59.74 | 55.81 | 52.43 | 49.44 | 35.87 | 26.76 | 42.44 | |||||||||||||
1908 | 26.35 | 28.95 | 31.44 | 42.30 | 42.73 | a | 51.41 | a | 61.81 | 58.48 | 52.60 | 42.26 | 37.79 | a | 27.41 | c | 41.96 | |||||||||
1909 | 25.48 | b | 28.61 | 34.37 | 38.42 | 43.73 | 53.24 | a | 57.05 | a | 57.68 | 54.27 | 44.95 | 34.63 | 18.08 | 40.88 | ||||||||||
1910 | 19.44 | 24.61 | a | 38.56 | 46.28 | e | 50.15 | 53.07 | 59.77 | 55.77 | a | 51.45 | ----- | z | ----- | z | ----- | z | 44.34 | c | ||||||
1911 | 24.56 | 19.11 | 33.13 | 37.66 | a | 42.90 | a | 53.97 | 59.56 | 55.98 | c | ----- | z | ----- | z | ----- | z | ----- | z | 40.86 | 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 | 30.28 | a | 24.34 | 27.31 | j | |
1948 | 23.52 | a | 22.10 | 26.82 | a | 34.90 | a | 42.94 | 53.82 | 54.40 | a | 54.34 | 48.95 | 41.29 | 27.09 | b | 17.18 | 37.28 | ||||||||
1949 | 8.32 | c | 22.19 | a | 31.84 | 40.68 | 47.97 | 50.53 | 57.02 | 58.60 | a | 53.15 | 37.19 | ----- | z | 23.87 | 39.21 | a | ||||||||
1950 | 14.85 | a | 24.41 | 25.02 | 34.68 | 41.52 | 50.13 | 58.03 | a | 57.90 | 51.72 | 43.08 | 32.32 | 29.83 | a | 38.62 | ||||||||||
1951 | 20.23 | 24.21 | 24.67 | b | 39.52 | 45.02 | a | 50.07 | a | 59.31 | 56.47 | a | 51.71 | a | 40.56 | 29.72 | 20.56 | 38.50 | ||||||||
1952 | 16.34 | 21.17 | 25.98 | 39.84 | a | 45.85 | a | 50.37 | 58.45 | 57.39 | 54.05 | 48.70 | a | 27.23 | 22.19 | 38.96 | ||||||||||
1953 | 29.81 | 26.43 | 30.21 | 35.37 | 40.97 | 46.70 | 58.47 | a | 56.97 | 53.97 | 44.13 | 35.07 | a | 24.27 | 40.20 | |||||||||||
1954 | 22.79 | 30.34 | 26.98 | 38.02 | 47.16 | 48.13 | 58.65 | 53.45 | 49.20 | 40.97 | 36.55 | a | 20.50 | 39.40 | ||||||||||||
1955 | 19.76 | 20.41 | 24.56 | 32.09 | a | 41.76 | 52.73 | 56.16 | 58.37 | 50.75 | 42.53 | 25.71 | a | 24.87 | a | 37.47 | ||||||||||
1956 | 22.07 | b | 18.74 | 29.11 | 38.68 | 46.74 | 50.48 | 60.34 | 56.27 | 52.25 | 39.42 | 29.75 | 25.40 | 39.11 | ||||||||||||
1957 | 14.74 | 25.96 | 31.19 | 37.80 | 46.71 | 54.00 | 57.13 | 55.55 | 53.45 | 40.11 | 27.48 | 25.61 | 39.15 | |||||||||||||
1958 | 23.48 | 31.46 | 26.80 | a | 35.42 | 51.27 | 53.23 | 59.19 | 61.02 | 49.82 | 44.94 | 31.00 | 29.74 | 41.45 | ||||||||||||
1959 | 24.97 | 25.16 | 29.85 | 39.18 | 41.42 | 53.53 | 59.61 | 55.79 | 48.03 | 41.65 | 30.70 | 24.71 | 39.55 | |||||||||||||
1960 | 18.65 | 22.21 | 31.81 | 37.67 | 42.55 | 53.47 | 63.05 | 55.23 | 53.18 | 42.65 | 29.88 | 22.63 | 39.41 | |||||||||||||
1961 | 25.61 | 31.39 | 31.08 | 37.50 | 44.52 | 58.23 | b | 60.58 | 62.92 | 46.42 | 40.05 | 28.48 | 22.98 | 40.81 | ||||||||||||
1962 | 18.77 | 25.20 | 27.81 | 40.92 | 42.71 | 51.17 | 56.94 | 55.98 | 52.63 | 42.42 | 32.77 | 25.98 | 39.44 | |||||||||||||
1963 | 17.97 | 35.46 | 31.71 | 34.60 | 47.25 | a | 50.25 | 54.85 | 57.21 | 55.40 | 44.23 | 32.18 | 24.09 | b | 40.43 | |||||||||||
1964 | 20.92 | 24.11 | b | 27.55 | 35.25 | b | 41.85 | 50.67 | 59.52 | c | 55.00 | b | 47.27 | 44.47 | 29.57 | 22.93 | a | 38.26 | ||||||||
1965 | 24.97 | a | 27.70 | 27.63 | 38.37 | 42.40 | 51.78 | 58.06 | 56.65 | 44.75 | 45.76 | 34.42 | 21.52 | 39.50 | ||||||||||||
1966 | 23.47 | 24.11 | 29.11 | 38.55 | 47.71 | 49.10 | 57.58 | 58.21 | 53.67 | 40.11 | 32.92 | 24.73 | 39.94 | |||||||||||||
1967 | 26.79 | 27.64 | 29.18 | 31.90 | 43.85 | 52.68 | 60.73 | 62.32 | 56.40 | 41.81 | o | ----- | z | ----- | z | 43.50 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.42 | 25.87 | 29.49 | 38.07 | 44.83 | 51.69 | 58.89 | 57.31 | 51.67 | 42.90 | 31.51 | 24.26 | 39.66 | |||||||||||||
S.D. | 4.69 | 4.51 | 3.32 | 3.31 | 2.85 | 2.30 | 2.36 | 2.34 | 2.89 | 2.93 | 3.27 | 3.48 | 1.34 | |||||||||||||
SKEW | -0.78 | 0.49 | 0.63 | 0.24 | 0.51 | 0.43 | 0.50 | 0.86 | -0.72 | 0.42 | 0.12 | 0.14 | 0.29 | |||||||||||||
MAX | 29.81 | 35.46 | 38.56 | 46.28 | 51.27 | 58.23 | 65.23 | 62.92 | 56.40 | 49.44 | 37.79 | 32.06 | 42.44 | |||||||||||||
MIN | 8.32 | 18.74 | 24.56 | 31.90 | 40.97 | 46.70 | 54.40 | 53.45 | 44.75 | 37.19 | 25.71 | 17.18 | 37.28 | |||||||||||||
YRS | 25 | 25 | 26 | 26 | 26 | 26 | 26 | 26 | 25 | 23 | 23 | 24 | 21 |