YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1900 | ----- | z | 0.05 | 0.80 | 0.38 | 0.20 | ----- | z | 1.20 | 1.00 | 1.60 | 0.92 | ----- | z | 0.02 | ----- | z | |||||||||
1901 | 0.10 | 0.33 | 0.10 | 0.10 | ----- | z | ----- | z | 0.80 | 1.25 | 0.12 | 0.83 | 1.15 | 0.10 | b | ----- | z | |||||||||
1902 | 0.30 | 0.09 | a | 0.12 | 0.05 | 0.70 | 0.11 | 0.34 | 0.56 | ----- | 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 | 0.40 | 0.72 | 0.27 | ----- | z | |||
1906 | 0.24 | 0.49 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.87 | ----- | 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 | 0.34 | 0.16 | 0.00 | ----- | z | |||
1930 | 0.28 | 0.75 | 0.77 | 0.40 | 0.30 | 0.15 | 1.01 | 0.82 | 0.45 | 0.04 | 0.61 | 0.14 | 1.01 | |||||||||||||
1931 | 0.25 | 0.50 | 0.32 | 1.22 | 0.17 | 0.42 | 0.46 | 0.39 | 1.00 | 0.16 | 0.37 | 0.40 | 1.22 | |||||||||||||
1932 | 0.24 | 0.14 | 0.15 | 0.37 | a | 0.07 | 0.17 | 0.91 | 1.32 | 0.26 | ----- | z | 0.00 | 0.24 | ----- | z | ||||||||||
1933 | 0.10 | 0.28 | 0.08 | 0.09 | ----- | z | 0.43 | 0.69 | 0.46 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1934 | 0.02 | 0.12 | 0.20 | 0.37 | 0.53 | 0.18 | 0.25 | 0.83 | s | 0.37 | 0.33 | 0.38 | 0.79 | 0.83 | s | |||||||||||
1935 | 0.61 | 0.24 | 0.16 | 0.80 | 0.40 | 0.08 | 0.32 | 0.61 | 0.56 | 0.26 | 0.31 | 0.28 | 0.80 | |||||||||||||
1936 | 0.33 | 0.18 | 0.35 | 0.40 | 0.42 | 0.62 | 0.51 | 0.62 | 1.34 | 0.12 | 0.12 | 0.12 | 1.34 | |||||||||||||
1937 | 0.12 | 0.10 | 0.13 | 0.00 | ----- | z | 0.50 | b | 0.50 | 0.00 | 0.50 | 0.50 | 0.00 | 0.70 | a | ----- | z | |||||||||
1938 | 0.20 | 0.30 | 0.20 | 0.25 | 0.00 | ----- | z | 1.20 | 0.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.23 | 0.27 | 0.26 | 0.37 | 0.31 | 0.30 | 0.68 | 0.70 | 0.65 | 0.39 | 0.38 | 0.28 | 1.09 | |||||||||||||
S.D. | 0.15 | 0.20 | 0.25 | 0.35 | 0.23 | 0.20 | 0.34 | 0.37 | 0.50 | 0.29 | 0.36 | 0.26 | 0.24 | |||||||||||||
SKEW | 1.07 | 1.03 | 1.41 | 1.31 | 0.28 | 0.41 | 0.33 | 0.07 | 0.90 | 0.76 | 0.90 | 0.96 | -0.24 | |||||||||||||
MAX | 0.61 | 0.75 | 0.80 | 1.22 | 0.70 | 0.62 | 1.20 | 1.32 | 1.60 | 0.92 | 1.15 | 0.79 | 1.34 | |||||||||||||
MIN | 0.02 | 0.05 | 0.00 | 0.00 | 0.00 | 0.08 | 0.25 | 0.00 | 0.12 | 0.04 | 0.00 | 0.00 | 0.80 | |||||||||||||
YRS | 12 | 13 | 13 | 12 | 9 | 9 | 12 | 12 | 10 | 10 | 10 | 11 | 4 |