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 | 52.00 | ----- | z | 31.00 | a | 24.00 | 8.00 | b | -13.00 | b | ----- | z | ||
1875 | -20.00 | a | 2.00 | l | 2.00 | o | 11.00 | b | 20.00 | b | 32.00 | a | 39.00 | 37.00 | 32.00 | 28.00 | b | 11.00 | 8.00 | ----- | z | |||||
1876 | 6.00 | a | 8.00 | 6.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | 28.00 | -3.00 | -21.00 | ----- | z | ||||||
1877 | -9.00 | 10.00 | 8.00 | 24.00 | 31.00 | 41.00 | 51.00 | 55.00 | 37.00 | 21.00 | 4.00 | 6.00 | e | -9.00 | e | |||||||||||
1878 | -6.00 | 11.00 | 14.00 | a | 22.00 | 33.00 | 48.00 | 52.00 | 56.00 | i | 37.00 | n | 10.00 | t | 12.00 | v | -12.00 | l | ----- | z | ||||||
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 | -11.00 | c | -13.00 | a | 16.00 | a | 30.00 | a | 38.00 | 54.00 | 62.00 | a | 54.00 | 44.00 | 23.00 | 16.00 | ----- | z | ----- | z | ||||||
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 | 51.00 | 47.00 | 38.00 | 25.00 | a | 13.00 | 10.00 | ----- | z | |||||
1889 | -11.00 | -8.00 | a | 18.00 | 32.00 | b | 33.00 | 40.00 | 52.00 | 52.00 | 31.00 | 29.00 | a | 1.00 | b | 6.00 | a | -11.00 | g | |||||||
1890 | -2.00 | -14.00 | -2.00 | 20.00 | a | 36.00 | 41.00 | 54.00 | 48.00 | 36.00 | 22.00 | 15.00 | a | 9.00 | -14.00 | b | ||||||||||
1891 | -13.00 | -7.00 | a | 6.00 | 18.00 | 37.00 | a | 42.00 | 51.00 | 46.00 | 37.00 | a | 28.00 | 8.00 | -2.00 | -13.00 | c | |||||||||
1892 | -8.00 | b | 3.00 | a | -9.00 | b | 24.00 | a | 35.00 | 38.00 | 53.00 | 45.00 | 39.00 | 28.00 | 18.00 | -18.00 | a | -18.00 | g | |||||||
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 | 52.00 | 53.00 | 45.00 | 26.00 | -12.00 | -18.00 | ----- | z | ||||||
1941 | 9.00 | 13.00 | 12.00 | 28.00 | 42.00 | 45.00 | 52.00 | 50.00 | 33.00 | 24.00 | 3.00 | -5.00 | -5.00 | |||||||||||||
1942 | -21.00 | -12.00 | 13.00 | 20.00 | 31.00 | 46.00 | 50.00 | 50.00 | 33.00 | 25.00 | 13.00 | 7.00 | -21.00 | |||||||||||||
1943 | -26.00 | 6.00 | -10.00 | 31.00 | 33.00 | 41.00 | 53.00 | 53.00 | 34.00 | 24.00 | 11.00 | 1.00 | -26.00 | |||||||||||||
1944 | -6.00 | 6.00 | 9.00 | 22.00 | 29.00 | 43.00 | 54.00 | 43.00 | 37.00 | 28.00 | 6.00 | 4.00 | -6.00 | |||||||||||||
1945 | -5.00 | 5.00 | 9.00 | 4.00 | 33.00 | 40.00 | 44.00 | 50.00 | 30.00 | 20.00 | 2.00 | -19.00 | -19.00 | |||||||||||||
1946 | -9.00 | 6.00 | 5.00 | 25.00 | 29.00 | 43.00 | 54.00 | 51.00 | 30.00 | 20.00 | 1.00 | -8.00 | -9.00 | |||||||||||||
1947 | -9.00 | 2.00 | -4.00 | 25.00 | 36.00 | 38.00 | 47.00 | 52.00 | 35.00 | 25.00 | 7.00 | -4.00 | -9.00 | |||||||||||||
1948 | -29.00 | -18.00 | -20.00 | 21.00 | 31.00 | 47.00 | 54.00 | 49.00 | 37.00 | 22.00 | 2.00 | -4.00 | -29.00 | |||||||||||||
1949 | -13.00 | -4.00 | 16.00 | 20.00 | 37.00 | 44.00 | 54.00 | 52.00 | 42.00 | 24.00 | 18.00 | -0.00 | -13.00 | |||||||||||||
1950 | -14.00 | 4.00 | -3.00 | 19.00 | 32.00 | 43.00 | 52.00 | 48.00 | 40.00 | 32.00 | -9.00 | -8.00 | -14.00 | |||||||||||||
1951 | -22.00 | -31.00 | 9.00 | 17.00 | 35.00 | 38.00 | 50.00 | 52.00 | 31.00 | 22.00 | -6.00 | -9.00 | -31.00 | |||||||||||||
1952 | 5.00 | 5.00 | 7.00 | 23.00 | 38.00 | 50.00 | 45.00 | 51.00 | 41.00 | 21.00 | -11.00 | -7.00 | -11.00 | |||||||||||||
1953 | -2.00 | 2.00 | 11.00 | 17.00 | 27.00 | 47.00 | 55.00 | 53.00 | 39.00 | 30.00 | 7.00 | -5.00 | -5.00 | |||||||||||||
1954 | -1.00 | 9.00 | -8.00 | 21.00 | 25.00 | 43.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | -9.43 | -0.77 | 4.68 | 21.55 | 32.77 | 42.91 | 51.38 | 49.59 | 36.04 | 24.96 | 5.13 | -3.91 | -15.00 | |||||||||||||
S.D. | 9.83 | 11.20 | 10.03 | 6.31 | 4.89 | 4.72 | 4.37 | 4.14 | 4.39 | 3.32 | 8.76 | 9.52 | 8.47 | |||||||||||||
SKEW | -0.12 | -1.05 | -0.80 | -0.75 | -0.65 | 0.14 | -0.69 | -1.40 | 0.37 | 0.28 | -0.41 | -0.25 | -0.63 | |||||||||||||
MAX | 9.00 | 13.00 | 18.00 | 32.00 | 42.00 | 54.00 | 62.00 | 55.00 | 45.00 | 32.00 | 18.00 | 10.00 | -5.00 | |||||||||||||
MIN | -29.00 | -31.00 | -20.00 | 4.00 | 20.00 | 32.00 | 39.00 | 37.00 | 30.00 | 20.00 | -12.00 | -21.00 | -31.00 | |||||||||||||
YRS | 23 | 22 | 22 | 22 | 22 | 22 | 24 | 22 | 24 | 24 | 24 | 23 | 15 |