YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1872 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1873 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1874 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.42 | ----- | z | 46.79 | a | 42.19 | 27.75 | b | 16.10 | b | 38.65 | g | ||
1875 | 4.73 | a | 16.88 | l | 18.94 | o | 30.57 | b | 32.38 | b | 46.66 | a | 45.84 | 46.03 | 42.30 | 39.72 | b | 27.30 | 22.39 | 33.79 | b | |||||
1876 | 13.90 | a | 23.48 | 23.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.47 | 38.58 | 24.23 | 10.26 | 26.43 | e | ||||||
1877 | 13.81 | 23.11 | 28.65 | 33.87 | 46.74 | 54.50 | 62.55 | 61.81 | 47.67 | 34.29 | 22.70 | 18.00 | e | 37.31 | ||||||||||||
1878 | 12.52 | 24.11 | 29.03 | a | 37.70 | 44.52 | 55.87 | 65.06 | 65.68 | i | 44.38 | n | 26.18 | t | 21.38 | v | 13.84 | l | 38.40 | e | ||||||
1879 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1880 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1881 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1882 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1883 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1884 | 15.29 | c | 19.21 | a | 30.90 | a | 39.90 | a | 52.06 | 62.33 | 68.43 | a | 63.03 | 57.00 | 42.52 | 26.57 | ----- | z | 43.39 | a | ||||||
1885 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1886 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1887 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1888 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.87 | 56.87 | 49.43 | 38.80 | a | 24.37 | 21.94 | 42.21 | f | |||||
1889 | 10.42 | 15.89 | a | 29.03 | 40.36 | b | 46.71 | 53.60 | 60.71 | 61.13 | 47.50 | 39.50 | a | 22.21 | b | 28.10 | a | 37.93 | ||||||||
1890 | 16.71 | 19.36 | 28.03 | 36.17 | a | 45.58 | 53.13 | 61.42 | 56.77 | 47.90 | 34.32 | 24.55 | a | 20.87 | 37.07 | |||||||||||
1891 | 10.58 | 17.37 | a | 23.16 | 35.80 | 45.00 | a | 52.40 | 57.45 | 56.42 | 50.59 | a | 36.19 | 24.53 | 21.19 | 35.89 | ||||||||||
1892 | 14.28 | b | 21.29 | a | 25.66 | b | 34.07 | a | 45.16 | 52.73 | 60.29 | 57.16 | 51.60 | 38.16 | 28.70 | 15.80 | a | 37.07 | ||||||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 61.00 | 57.19 | 53.03 | 38.65 | 20.77 | 18.39 | 41.50 | f | ||||||
1941 | 19.48 | 23.11 | 27.68 | 36.60 | 48.52 | 52.73 | 58.16 | 58.13 | 47.47 | 38.71 | 24.27 | 16.29 | 37.60 | |||||||||||||
1942 | 11.52 | 14.79 | 23.48 | 37.77 | 43.74 | 54.33 | 58.58 | 56.68 | 46.77 | 38.23 | 24.27 | 19.65 | 35.82 | |||||||||||||
1943 | 16.90 | 23.71 | 20.10 | 39.63 | 42.26 | 53.23 | 59.74 | 61.00 | 46.00 | 33.19 | 21.67 | 15.97 | 36.12 | |||||||||||||
1944 | 13.32 | 20.59 | 23.10 | 31.70 | 44.06 | 53.37 | 57.87 | 57.61 | 47.80 | 37.71 | 24.10 | 15.23 | 35.54 | |||||||||||||
1945 | 13.84 | 21.68 | 26.03 | 30.53 | 44.74 | 50.43 | 58.87 | 58.55 | 45.67 | 36.74 | 24.00 | 10.61 | 35.14 | |||||||||||||
1946 | 14.61 | 20.32 | 27.90 | 40.57 | 42.10 | 55.63 | 60.94 | 59.84 | 49.20 | 35.23 | 21.90 | 20.03 | 37.36 | |||||||||||||
1947 | 12.61 | 16.50 | 23.10 | 34.60 | 44.35 | 51.10 | 58.74 | 59.45 | 50.63 | 39.16 | 19.50 | 17.84 | 35.63 | |||||||||||||
1948 | 13.29 | 13.62 | 16.71 | 38.30 | 45.87 | 54.50 | 59.61 | 58.26 | 50.77 | 33.32 | 20.73 | 15.90 | 35.07 | |||||||||||||
1949 | 6.61 | 16.46 | 25.71 | 37.33 | 46.61 | 54.97 | 61.45 | 58.32 | 49.70 | 35.71 | 28.87 | 15.26 | 36.42 | |||||||||||||
1950 | 14.84 | 22.21 | 24.61 | 34.73 | 42.29 | 55.53 | 59.03 | 54.94 | 51.27 | 41.39 | 22.13 | 17.77 | 36.73 | |||||||||||||
1951 | 12.97 | 19.00 | 22.19 | 33.63 | 46.68 | 50.57 | 61.13 | 59.10 | 47.87 | 34.23 | 20.80 | 15.97 | 35.34 | |||||||||||||
1952 | 19.87 | 20.97 | 23.68 | 36.43 | 45.55 | 58.63 | 59.42 | 60.32 | 49.93 | 34.58 | 18.77 | 16.23 | 37.03 | |||||||||||||
1953 | 23.10 | 17.29 | 27.52 | 33.30 | 43.06 | 57.30 | 62.42 | 59.65 | 50.37 | 39.35 | 27.80 | 17.61 | 38.23 | |||||||||||||
1954 | 20.65 | 25.21 | 24.00 | 39.13 | 46.42 | 57.93 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.56 | f | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.17 | 19.97 | 25.15 | 36.03 | 44.75 | 54.16 | 60.04 | 58.10 | 49.11 | 37.52 | 23.85 | 17.71 | 36.52 | |||||||||||||
S.D. | 4.19 | 3.28 | 3.33 | 3.04 | 3.55 | 3.25 | 3.86 | 3.34 | 2.91 | 2.72 | 2.87 | 3.80 | 0.98 | |||||||||||||
SKEW | -0.03 | -0.27 | -0.50 | -0.23 | -1.59 | 0.24 | -1.66 | -2.03 | 0.31 | 0.04 | 0.17 | 0.47 | 0.08 | |||||||||||||
MAX | 23.10 | 25.21 | 30.90 | 40.57 | 52.06 | 62.33 | 68.43 | 63.03 | 57.00 | 42.52 | 28.87 | 28.10 | 38.23 | |||||||||||||
MIN | 4.73 | 13.62 | 16.71 | 30.53 | 32.38 | 46.66 | 45.84 | 46.03 | 42.30 | 33.19 | 18.77 | 10.26 | 35.07 | |||||||||||||
YRS | 23 | 22 | 22 | 22 | 22 | 22 | 24 | 22 | 24 | 24 | 24 | 23 | 18 |