YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | 7.10 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.53 | 1.25 | ----- | z | ----- | z | ----- | z | ||
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | w | 0.50 | y | ----- | z | ----- | z | 0.70 | v | 0.00 | x | ----- | z | ----- | z |
1913 | ----- | z | 0.50 | 0.30 | v | 0.30 | y | ----- | z | 0.50 | s | 1.10 | ----- | z | 0.50 | x | ----- | z | 0.40 | y | 0.04 | x | ----- | z | ||
1914 | ----- | z | 0.30 | x | ----- | z | ----- | z | ----- | z | 1.00 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | w | ----- | z |
1915 | 0.20 | y | 0.50 | t | ----- | z | 0.20 | v | 0.25 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | y | ----- | z |
1916 | 0.30 | u | 0.30 | x | ----- | z | ----- | z | ----- | z | 0.05 | 0.10 | 0.05 | 0.00 | 0.05 | 0.05 | 0.20 | ----- | z | |||||||
1917 | 0.22 | 0.04 | 0.02 | 0.15 | 0.75 | 0.00 | 0.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1918 | 0.30 | v | ----- | z | 0.05 | a | ----- | z | 0.25 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | 0.30 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | w | 1.00 | y | ----- | z | 0.02 | y | ----- | z |
1920 | ----- | z | ----- | z | 0.95 | t | ----- | z | ----- | z | ----- | z | ----- | z | 0.11 | 0.05 | 0.25 | 0.10 | v | 0.05 | u | ----- | z | |||
1921 | 0.02 | x | 0.05 | x | 0.15 | w | 0.03 | w | 0.50 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.60 | t | ----- | z |
1922 | ----- | z | 0.02 | w | 0.22 | 0.42 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | v | ----- | z | |
1923 | ----- | z | ----- | z | ----- | z | 0.50 | ----- | z | 0.40 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1924 | ----- | z | ----- | z | 0.40 | v | 0.00 | 0.15 | 0.38 | ----- | z | 0.28 | ----- | z | ----- | z | ----- | z | 0.15 | x | ----- | z | ||||
1925 | ----- | z | 0.48 | y | 0.34 | 0.87 | 0.20 | 1.02 | 0.09 | 0.38 | 0.25 | 0.24 | 0.90 | 0.47 | ----- | z | ||||||||||
1926 | 0.05 | e | 1.50 | 0.16 | 0.70 | 0.80 | 0.00 | 1.27 | 0.28 | 1.30 | 0.10 | 0.21 | 0.28 | 1.50 | e | |||||||||||
1927 | 0.22 | 0.32 | 0.60 | 0.70 | 0.40 | 0.48 | 0.17 | 0.99 | 0.29 | 0.59 | 0.39 | ----- | z | ----- | z | |||||||||||
1928 | 0.08 | 0.04 | 0.29 | 0.32 | 0.10 | 0.41 | ----- | z | ----- | z | ----- | z | ----- | z | 0.90 | x | 0.16 | p | ----- | z | ||||||
1929 | ----- | z | ----- | z | 0.00 | 0.73 | c | ----- | z | 0.56 | ----- | z | ----- | z | 0.50 | x | 0.30 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.65 | m | ----- | z |
1969 | 0.49 | 0.35 | 0.06 | a | 0.13 | 0.00 | 0.40 | 0.01 | 0.00 | 0.08 | 0.19 | 0.45 | 0.26 | a | 0.49 | b | ||||||||||
1970 | 0.25 | 0.17 | 0.01 | 0.18 | 0.26 | 0.34 | 0.14 | 0.18 | 0.44 | 0.73 | 0.76 | a | 0.33 | 0.76 | a | |||||||||||
1971 | 0.15 | 0.08 | 0.11 | 0.99 | a | 0.07 | 0.56 | 0.00 | 1.61 | a | 0.33 | 0.48 | 0.86 | 0.32 | 1.61 | b | ||||||||||
1972 | 0.13 | 0.06 | 0.11 | 0.24 | 0.05 | 0.27 | 0.01 | 0.11 | 0.21 | 0.19 | d | 0.61 | 0.15 | b | 0.61 | f | ||||||||||
1973 | 0.20 | 0.47 | a | 2.10 | 0.18 | 0.65 | 0.18 | 1.29 | 0.12 | 0.55 | 1.14 | ----- | z | 0.12 | ----- | z | ||||||||||
1974 | 0.33 | ----- | z | 0.05 | i | 0.05 | c | 0.20 | 0.00 | 0.04 | 0.00 | 0.00 | 0.13 | g | 0.64 | d | 0.28 | ----- | z | |||||||
1975 | 1.10 | 0.14 | 0.00 | q | 1.10 | u | 0.78 | h | 1.30 | j | ----- | z | 0.00 | 0.02 | ----- | z | 0.80 | r | 0.06 | ----- | z | |||||
1976 | 0.10 | 0.51 | c | 0.27 | ----- | z | 0.30 | 0.90 | b | ----- | z | ----- | z | 1.80 | ----- | z | 0.00 | 0.00 | ----- | z | ||||||
1977 | ----- | z | 0.05 | 0.35 | o | 0.33 | a | 1.81 | d | 1.50 | 0.13 | 0.65 | 0.39 | t | 0.25 | ----- | z | 0.29 | ----- | z | ||||||
1978 | 0.70 | 0.53 | e | 0.57 | 0.49 | 0.38 | 0.03 | 0.05 | 0.77 | 0.75 | 0.00 | 0.23 | 0.18 | 0.77 | e | |||||||||||
1979 | 0.34 | 0.43 | 0.28 | 0.13 | 0.32 | 0.13 | 0.46 | 0.15 | g | 0.00 | 0.70 | 0.15 | 0.28 | 0.70 | g | |||||||||||
1980 | 0.80 | 0.59 | a | 0.66 | 0.30 | 0.58 | h | 0.62 | 0.12 | 0.51 | 0.12 | 0.05 | 0.29 | 0.20 | 0.80 | i | ||||||||||
1981 | 0.19 | 0.06 | 0.49 | 0.17 | 0.73 | 0.13 | j | 0.22 | 0.10 | 0.26 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.33 | 0.34 | 0.35 | 0.38 | 0.42 | 0.41 | 0.31 | 0.36 | 0.39 | 0.41 | 0.43 | 0.23 | 0.95 | |||||||||||||
S.D. | 0.30 | 0.36 | 0.48 | 0.29 | 0.44 | 0.40 | 0.45 | 0.43 | 0.48 | 0.38 | 0.30 | 0.12 | 0.58 | |||||||||||||
SKEW | 1.40 | 1.95 | 2.76 | 0.69 | 1.93 | 1.18 | 1.53 | 1.61 | 1.79 | 1.04 | 0.21 | -0.08 | 0.54 | |||||||||||||
MAX | 1.10 | 1.50 | 2.10 | 0.99 | 1.81 | 1.50 | 1.29 | 1.61 | 1.80 | 1.25 | 0.90 | 0.47 | 1.61 | |||||||||||||
MIN | 0.05 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.49 | |||||||||||||
YRS | 16 | 17 | 18 | 19 | 17 | 19 | 17 | 17 | 18 | 16 | 13 | 15 | 3 |