YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.60 | k | ----- | z | ----- | z | 55.81 | j | 42.03 | a | 19.64 | c | 30.84 | j |
1894 | 11.07 | a | 20.14 | 36.96 | e | 53.16 | e | 70.97 | 85.90 | ----- | z | ----- | z | ----- | z | ----- | z | 25.73 | o | 27.53 | a | 43.68 | e | |||
1895 | 7.39 | 14.78 | a | 36.58 | 65.07 | 68.58 | 73.47 | 79.77 | a | 79.55 | 72.07 | b | 56.17 | a | 28.14 | a | ----- | z | 52.87 | a | ||||||
1896 | ----- | z | ----- | z | 29.38 | b | 49.93 | 70.03 | 81.37 | 81.48 | 81.55 | 67.47 | 53.35 | e | 14.52 | a | 22.00 | 55.11 | b | |||||||
1897 | 12.06 | 14.41 | a | 20.42 | 50.30 | 71.63 | a | 74.93 | 80.81 | 78.34 | b | 83.20 | 62.47 | a | 34.83 | a | 21.48 | 50.41 | ||||||||
1898 | 24.37 | a | 25.29 | 32.23 | 56.52 | c | 69.55 | 72.27 | o | 80.50 | o | 79.77 | 72.45 | a | 49.16 | 34.03 | 23.42 | 46.68 | b | |||||||
1899 | 14.81 | 10.39 | 19.77 | a | 53.00 | a | 60.56 | m | ----- | z | ----- | z | ----- | z | 71.48 | i | 50.50 | g | 51.06 | n | ----- | z | 24.49 | h | ||
1900 | 26.93 | a | 11.19 | a | 30.78 | d | 68.20 | ----- | z | ----- | z | 84.10 | 83.42 | 66.53 | ----- | z | ----- | z | ----- | z | 53.02 | e | ||||
1901 | 15.19 | 16.07 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 15.63 | j | ||
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 | ----- | 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 | 62.13 | o | 71.94 | 74.63 | 85.77 | 78.48 | 68.10 | 58.81 | 36.90 | 11.74 | 60.80 | d | ||||||||
1965 | 10.35 | 22.21 | 25.83 | a | 49.53 | 66.61 | 75.63 | 80.53 | a | 80.06 | 56.47 | 61.19 | 36.23 | 31.48 | 49.68 | |||||||||||
1966 | 2.81 | 17.71 | 41.32 | c | 46.07 | 65.77 | 76.57 | 84.74 | 78.13 | 74.20 | 58.90 | a | 30.33 | 23.16 | 49.98 | |||||||||||
1967 | 21.29 | 17.57 | 34.81 | 47.70 | 63.58 | 76.27 | 87.48 | 86.61 | 75.13 | 54.29 | 36.97 | 22.90 | 52.05 | |||||||||||||
1968 | 15.45 | 20.66 | 43.74 | 55.93 | 63.58 | 73.47 | 82.81 | 77.74 | 70.47 | 57.77 | 38.80 | 17.68 | 51.51 | |||||||||||||
1969 | 5.10 | 19.14 | 26.26 | 54.80 | 69.81 | 70.90 | 80.26 | 88.42 | 73.97 | 49.16 | 39.53 | 25.00 | 50.20 | |||||||||||||
1970 | 9.74 | 24.14 | 28.35 | 47.00 | a | 64.68 | 81.90 | 86.52 | 85.55 | 73.47 | 55.90 | a | 34.50 | 20.55 | 51.02 | |||||||||||
1971 | 7.48 | 21.43 | 33.06 | 54.90 | 68.68 | 78.77 | 78.58 | 85.48 | 69.50 | 56.71 | 34.43 | 20.45 | 50.79 | |||||||||||||
1972 | 14.97 | a | 15.41 | 34.00 | 49.93 | 72.58 | 81.30 | 80.77 | 85.35 | 69.67 | 54.37 | a | 32.87 | 17.00 | 50.69 | |||||||||||
1973 | ----- | z | 30.82 | ----- | z | 53.67 | ----- | z | 79.93 | 83.39 | ----- | z | 68.43 | ----- | z | 29.83 | 17.90 | a | 52.00 | e | ||||||
1974 | 13.32 | 21.54 | 30.39 | 51.45 | a | 62.48 | d | 79.90 | 89.94 | 79.10 | 70.60 | ----- | z | 35.77 | 28.45 | 51.18 | a | |||||||||
1975 | 22.71 | 18.89 | 30.61 | 41.40 | 68.74 | 76.57 | 87.10 | 81.00 | 68.30 | 59.35 | 40.57 | 28.13 | a | 51.95 | ||||||||||||
1976 | 20.19 | 32.72 | 34.45 | 60.17 | 73.29 | 80.23 | 86.06 | 86.26 | 78.80 | 53.55 | 36.90 | a | 21.55 | 55.35 | ||||||||||||
1977 | 8.32 | 30.96 | 44.29 | 65.80 | 80.39 | 81.53 | 86.00 | a | 77.03 | a | 66.03 | 60.58 | 45.25 | j | 12.50 | e | 55.77 | a | ||||||||
1978 | 6.06 | 12.86 | 34.58 | 52.33 | 74.81 | 78.97 | 82.45 | 84.70 | a | 76.50 | 59.58 | 34.13 | 17.10 | 51.17 | ||||||||||||
1979 | 6.55 | b | 8.11 | a | 30.13 | 40.17 | 61.03 | 78.03 | 83.29 | 78.42 | 76.57 | 55.17 | b | 34.23 | 34.77 | a | 48.87 | |||||||||
1980 | 20.15 | e | 21.03 | 32.42 | 66.20 | 77.68 | 79.43 | 85.00 | 76.26 | 68.23 | 52.71 | 41.80 | 26.32 | 53.94 | ||||||||||||
1981 | 25.42 | 31.11 | 45.16 | 61.90 | 68.53 | a | 73.93 | a | 82.27 | a | 82.65 | 71.47 | 59.19 | e | 48.00 | b | 26.78 | h | 59.06 | a | ||||||
1982 | 5.90 | a | 14.65 | e | 28.36 | c | 48.77 | d | 64.31 | b | 68.32 | b | 80.60 | a | 76.45 | 67.59 | a | 53.89 | d | ----- | z | ----- | z | 50.88 | b | |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.87 | 87.19 | 67.90 | 53.42 | 36.40 | 4.31 | b | 55.68 | f | |||||
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.28 | b | 64.89 | c | 53.55 | ----- | z | ----- | z | 68.24 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 13.65 | 19.73 | 32.66 | 53.76 | 69.10 | 77.48 | 83.52 | 81.75 | 70.69 | 56.05 | 35.29 | 21.53 | 51.26 | |||||||||||||
S.D. | 7.11 | 6.70 | 6.62 | 7.44 | 4.83 | 4.03 | 2.88 | 3.84 | 5.20 | 3.60 | 6.28 | 6.72 | 1.70 | |||||||||||||
SKEW | 0.38 | 0.40 | 0.14 | 0.33 | 0.42 | -0.25 | 0.25 | 0.19 | -0.09 | -0.13 | -1.26 | -0.42 | 1.10 | |||||||||||||
MAX | 26.93 | 32.72 | 45.16 | 68.20 | 80.39 | 85.90 | 89.94 | 88.42 | 83.20 | 62.47 | 48.00 | 34.77 | 55.35 | |||||||||||||
MIN | 2.81 | 8.11 | 19.77 | 40.17 | 61.03 | 68.32 | 78.58 | 76.26 | 56.47 | 49.16 | 14.52 | 4.31 | 48.87 | |||||||||||||
YRS | 24 | 25 | 24 | 25 | 23 | 23 | 24 | 25 | 26 | 23 | 23 | 23 | 14 |