YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.32 | 47.70 | a | 47.30 | 33.42 | 22.66 | a | 14.29 | 36.28 | f | ||||
1912 | 17.53 | a | 16.89 | a | 29.71 | 28.47 | 35.71 | 45.83 | a | 49.77 | a | 49.84 | 39.97 | 34.61 | 22.24 | a | 15.39 | 32.16 | ||||||||
1913 | 13.39 | 20.86 | 19.90 | 28.30 | 35.13 | 42.53 | 48.90 | a | 48.16 | 40.03 | 33.26 | 29.87 | 14.48 | 31.23 | ||||||||||||
1914 | 18.90 | 17.21 | 20.13 | 28.53 | 34.90 | 42.60 | 46.90 | 43.45 | 42.00 | 31.61 | 22.23 | 16.94 | 30.45 | |||||||||||||
1915 | 12.26 | 17.36 | 18.19 | 30.86 | a | 31.68 | 39.93 | 47.13 | 47.29 | 41.57 | 28.94 | 24.23 | 20.10 | 29.96 | ||||||||||||
1916 | 22.90 | 24.17 | 26.00 | 28.47 | 33.19 | 40.69 | a | 50.48 | 48.71 | 40.93 | 34.53 | a | 20.38 | a | 17.03 | 32.29 | ||||||||||
1917 | 21.45 | 18.11 | 18.90 | 26.23 | 31.94 | 42.00 | 50.42 | 46.87 | 42.53 | 29.58 | 18.59 | a | 15.70 | a | 30.19 | |||||||||||
1918 | 10.61 | 22.54 | 25.29 | 28.87 | 34.42 | 49.07 | 50.19 | 47.68 | 42.77 | 34.42 | 21.93 | 12.42 | 31.68 | |||||||||||||
1919 | 7.94 | 12.96 | 22.48 | 28.72 | a | 36.06 | 42.60 | 50.74 | 49.19 | 45.57 | 32.84 | 24.43 | 20.52 | 31.17 | ||||||||||||
1920 | 19.48 | 26.17 | 22.13 | a | 24.60 | 34.58 | 42.47 | 48.27 | a | 45.10 | 40.43 | 30.03 | 21.90 | 13.65 | 30.73 | |||||||||||
1921 | 21.84 | 17.18 | ----- | z | 25.87 | 33.26 | 41.77 | 50.10 | 48.65 | 43.73 | 32.65 | 20.30 | 23.00 | 32.58 | a | |||||||||||
1922 | 14.94 | 21.07 | 22.71 | 26.93 | 33.00 | 42.23 | 48.23 | 48.48 | 43.67 | 29.94 | 20.80 | 20.55 | 31.05 | |||||||||||||
1923 | 21.23 | 20.04 | 21.58 | 28.20 | 32.81 | 39.77 | 49.10 | 49.39 | 41.80 | 29.65 | 23.27 | 20.45 | 31.44 | |||||||||||||
1924 | 9.39 | 19.10 | 19.94 | 26.27 | 33.23 | 42.83 | 49.26 | 46.58 | ----- | z | 31.55 | 21.77 | ----- | z | 29.99 | b | ||||||||||
1925 | 8.60 | a | 19.86 | 22.75 | c | 29.17 | 36.16 | 43.40 | 50.19 | 44.94 | ----- | z | 34.71 | 21.03 | 17.19 | 29.82 | a | |||||||||
1926 | 7.80 | a | 18.18 | 24.94 | 29.50 | 33.52 | 40.60 | 45.87 | 44.45 | 46.20 | 34.16 | 23.43 | 16.68 | 30.44 | ||||||||||||
1927 | 20.32 | 24.50 | 21.94 | 25.77 | 32.45 | 42.13 | 50.23 | 47.90 | 44.17 | 29.52 | 26.40 | 18.61 | 31.99 | |||||||||||||
1928 | 13.94 | 16.31 | 21.97 | 24.40 | ----- | z | 38.34 | a | 46.90 | 46.36 | i | 39.31 | a | 33.42 | 20.97 | a | ----- | z | 28.40 | c | ||||||
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 | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.44 | 19.56 | 22.41 | 27.60 | 33.88 | 42.28 | 49.17 | 47.32 | 42.62 | 32.16 | 22.58 | 17.31 | 31.14 | |||||||||||||
S.D. | 5.37 | 3.39 | 2.94 | 1.81 | 1.43 | 2.42 | 1.67 | 1.86 | 2.35 | 2.07 | 2.56 | 2.99 | 0.76 | |||||||||||||
SKEW | -0.10 | 0.26 | 0.85 | -0.26 | 0.20 | 1.18 | -0.33 | -0.68 | 0.48 | -0.24 | 1.28 | 0.20 | 0.04 | |||||||||||||
MAX | 22.90 | 26.17 | 29.71 | 30.86 | 36.16 | 49.07 | 52.32 | 49.84 | 47.30 | 34.71 | 29.87 | 23.00 | 32.29 | |||||||||||||
MIN | 7.80 | 12.96 | 18.19 | 24.40 | 31.68 | 38.34 | 45.87 | 43.45 | 39.31 | 28.94 | 18.59 | 12.42 | 29.96 | |||||||||||||
YRS | 17 | 17 | 16 | 17 | 16 | 17 | 18 | 17 | 16 | 18 | 18 | 16 | 13 |