YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | 11.88 | b | 14.60 | b | 25.45 | 40.33 | 53.35 | 65.95 | a | 67.98 | e | 69.24 | j | 63.12 | 46.40 | 30.40 | a | 17.36 | i | 41.95 | b | |||||
1894 | 5.16 | b | 12.23 | 34.92 | e | 49.33 | 60.53 | 71.17 | 74.00 | q | ----- | z | 62.16 | b | 46.54 | h | 32.02 | c | 26.89 | d | 39.38 | c | ||||
1895 | 6.50 | 15.11 | a | 29.08 | 53.43 | 54.89 | l | 64.08 | d | 70.95 | 69.87 | 64.58 | 49.64 | j | 27.29 | w | 24.43 | a | 44.23 | c | ||||||
1896 | 15.11 | h | 25.83 | b | 25.63 | 48.58 | ----- | z | ----- | z | 65.29 | g | 67.81 | 56.88 | 45.11 | 15.15 | 27.23 | 39.03 | d | |||||||
1897 | ----- | z | 17.63 | b | 20.40 | f | 46.98 | 56.33 | e | 65.37 | 72.20 | c | 67.95 | 70.86 | b | 53.30 | h | 29.55 | 19.18 | t | 53.36 | d | ||||
1898 | 27.54 | f | 23.62 | b | 33.59 | d | 46.55 | a | 54.80 | f | 66.05 | 69.90 | a | 68.29 | c | ----- | z | ----- | z | ----- | z | ----- | z | 51.33 | f | |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | 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 | 53.91 | b | 36.77 | 20.50 | 37.06 | i | ||
1959 | 14.16 | 16.75 | 38.13 | 48.95 | 60.61 | 73.92 | 75.26 | 78.85 | 62.72 | 46.11 | 27.78 | 31.44 | 47.89 | |||||||||||||
1960 | 15.87 | 15.64 | 18.63 | 48.32 | 58.66 | 66.82 | 74.53 | 74.13 | 63.90 | 51.81 | 37.98 | 22.58 | 45.74 | |||||||||||||
1961 | 18.02 | a | 27.02 | 37.42 | 44.12 | 56.95 | 70.23 | 73.16 | 74.19 | b | 60.47 | 52.18 | 34.15 | 16.81 | 47.06 | |||||||||||
1962 | 16.56 | 18.95 | 24.19 | 48.17 | 63.05 | 67.27 | 71.44 | 71.65 | 60.30 | 53.39 | 40.02 | 25.77 | a | 46.73 | ||||||||||||
1963 | 10.16 | 25.27 | 40.89 | 50.52 | 60.29 | 73.55 | 77.69 | 72.71 | 66.38 | 59.79 | 39.35 | 15.06 | 49.31 | |||||||||||||
1964 | 23.71 | 28.12 | 28.32 | 50.00 | 63.53 | 71.10 | 79.92 | 70.24 | 62.23 | 51.42 | 33.52 | 16.11 | 48.19 | |||||||||||||
1965 | 13.79 | 20.12 | 23.39 | 49.22 | 62.21 | 69.15 | 73.82 | 72.24 | 54.33 | 53.69 | 35.58 | 30.11 | 46.47 | |||||||||||||
1966 | 7.71 | 18.41 | 39.42 | 43.65 | 57.97 | 70.22 | 79.93 | a | 70.29 | 61.63 | 51.98 | 33.27 | 22.39 | 46.41 | ||||||||||||
1967 | 21.27 | 20.82 | 39.19 | 49.65 | 56.10 | 67.57 | 72.58 | 71.26 | 63.07 | 49.95 | 35.07 | a | 23.68 | 47.52 | ||||||||||||
1968 | 17.03 | 21.97 | 42.40 | 49.25 | 55.27 | 71.47 | 73.71 | 74.24 | 62.92 | 51.55 | 35.37 | 17.16 | 47.69 | |||||||||||||
1969 | 10.24 | 21.96 | 22.55 | 50.60 | 62.27 | 64.40 | 73.89 | 73.97 | 65.23 | 45.42 | 36.42 | 23.27 | 45.85 | |||||||||||||
1970 | 9.53 | 27.41 | 29.61 | 47.63 | 63.13 | 72.07 | 77.39 | 75.92 | 65.80 | 49.16 | 34.62 | 18.16 | 47.54 | |||||||||||||
1971 | 13.18 | 21.52 | 33.00 | 50.03 | 58.08 | a | 73.55 | 71.73 | 75.37 | 63.52 | 53.15 | 35.90 | 20.81 | 47.49 | ||||||||||||
1972 | 11.89 | 17.69 | 35.29 | 46.78 | 60.40 | 69.68 | 73.13 | 73.35 | 62.83 | 48.19 | 34.62 | 17.69 | 45.96 | |||||||||||||
1973 | 20.50 | 24.96 | 40.84 | 48.12 | 58.65 | a | 71.45 | b | 76.13 | 78.39 | 61.29 | a | ----- | z | 33.46 | d | 18.71 | 48.41 | a | |||||||
1974 | 16.82 | 26.21 | d | ----- | z | ----- | z | ----- | z | 67.67 | 80.70 | a | ----- | z | ----- | z | ----- | z | 36.08 | ----- | z | 45.50 | g | |||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.65 | 53.69 | 35.90 | a | 23.10 | 43.58 | h | |||
1976 | 19.42 | a | 33.52 | 36.29 | 52.65 | 59.00 | 71.28 | 78.10 | 76.55 | ----- | z | ----- | z | ----- | z | ----- | z | 53.35 | d | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.17 | 21.54 | 32.30 | 48.31 | 59.28 | 69.27 | 74.48 | 72.86 | 62.66 | 50.94 | 33.77 | 22.09 | 47.13 | |||||||||||||
S.D. | 5.10 | 5.24 | 7.05 | 2.90 | 2.88 | 3.02 | 3.46 | 3.24 | 3.33 | 3.74 | 5.08 | 4.66 | 1.01 | |||||||||||||
SKEW | 0.02 | 0.25 | -0.30 | -0.88 | -0.25 | -0.17 | 0.23 | 0.12 | -0.19 | 0.22 | -2.30 | 0.33 | 0.40 | |||||||||||||
MAX | 23.71 | 33.52 | 42.40 | 53.43 | 63.53 | 73.92 | 80.70 | 78.85 | 70.86 | 59.79 | 40.02 | 31.44 | 49.31 | |||||||||||||
MIN | 5.16 | 12.23 | 18.63 | 40.33 | 53.35 | 64.08 | 67.98 | 67.81 | 54.33 | 45.11 | 15.15 | 15.06 | 45.74 | |||||||||||||
YRS | 20 | 23 | 21 | 22 | 19 | 22 | 21 | 20 | 21 | 18 | 22 | 20 | 14 |