YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.31 | y | ----- | z | 0.18 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | 0.32 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.84 | x | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | 0.18 | a | ----- | z | ----- | z | ----- | z | 0.35 | w | 0.29 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | 0.52 | w | 0.20 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | 0.74 | x | ----- | z | ----- | z | ----- | z | ----- | z | |
1916 | 0.75 | w | 0.10 | y | 0.20 | 0.12 | 0.03 | ----- | 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 | 0.50 | 0.20 | 0.20 | ----- | z | |||
1941 | 0.50 | 0.25 | 0.35 | 0.45 | 0.40 | 1.10 | 0.25 | 0.35 | 0.20 | 0.35 | r | 0.05 | 0.22 | v | ----- | z | ||||||||||
1942 | 0.15 | 0.15 | 0.10 | 0.08 | 0.00 | 0.02 | 0.05 | 0.05 | 0.78 | 0.90 | 0.05 | 0.00 | 0.90 | |||||||||||||
1943 | 0.03 | a | 0.00 | ----- | z | 0.04 | 0.00 | ----- | z | 0.00 | 0.90 | ----- | z | ----- | z | 0.88 | 0.01 | ----- | z | |||||||
1944 | ----- | z | 0.20 | ----- | 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 | 0.07 | 0.00 | 0.80 | 0.04 | 0.40 | 0.05 | 0.11 | 0.00 | ----- | z | ||||||||
1951 | 0.10 | 0.29 | 0.16 | 0.44 | 0.22 | 0.20 | 0.12 | 0.98 | 0.16 | 0.94 | 0.48 | 0.75 | 0.98 | |||||||||||||
1952 | 0.46 | 0.00 | 0.28 | 0.38 | 1.28 | a | 0.24 | 0.10 | a | 0.36 | 0.20 | 0.00 | 0.30 | 0.41 | 1.28 | b | ||||||||||
1953 | 0.08 | 0.10 | 0.15 | 0.28 | 0.20 | 0.15 | 0.15 | 0.42 | 0.00 | 0.58 | 1.00 | 0.21 | 1.00 | |||||||||||||
1954 | 0.22 | 0.02 | 0.29 | 0.20 | 0.04 | 0.43 | 0.17 | 0.10 | 0.40 | i | 1.00 | f | 0.75 | 0.65 | 1.00 | o | ||||||||||
1955 | 0.20 | 0.70 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.15 | 0.03 | 0.00 | 0.10 | a | 0.70 | a | |||||||||||
1956 | 0.39 | 0.00 | 0.00 | 0.18 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 0.32 | 0.72 | 0.59 | 0.30 | 0.00 | a | 0.74 | h | 2.07 | r | ----- | z | ----- | z | ||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 0.31 | i | ----- | z | ----- | z | 0.20 | b | 0.76 | ----- | z | ----- | z | 0.00 | m | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.24 | 0.17 | 0.17 | 0.22 | 0.23 | 0.32 | 0.23 | 0.33 | 0.29 | 0.43 | 0.38 | 0.26 | 0.97 | |||||||||||||
S.D. | 0.17 | 0.20 | 0.12 | 0.16 | 0.37 | 0.37 | 0.25 | 0.31 | 0.29 | 0.41 | 0.37 | 0.28 | 0.21 | |||||||||||||
SKEW | 0.44 | 1.61 | -0.08 | 0.24 | 2.19 | 1.13 | 1.31 | 1.19 | 0.82 | 0.12 | 0.57 | 0.74 | 0.27 | |||||||||||||
MAX | 0.50 | 0.70 | 0.35 | 0.45 | 1.28 | 1.10 | 0.80 | 0.98 | 0.78 | 0.94 | 1.00 | 0.75 | 1.28 | |||||||||||||
MIN | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.70 | |||||||||||||
YRS | 9 | 11 | 9 | 10 | 11 | 9 | 11 | 12 | 9 | 7 | 10 | 9 | 5 |