YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | 1.44 | p | 0.63 | 1.25 | 0.09 | 0.16 | 0.67 | 0.73 | 1.75 | 0.43 | ----- | z | ||||||||
1915 | 1.60 | 0.89 | 0.90 | 1.27 | 0.81 | 0.60 | 0.26 | 0.09 | 0.65 | 1.59 | 1.35 | 2.40 | b | 2.40 | b | |||||||||||
1916 | 0.92 | v | 1.88 | 1.35 | 0.53 | 0.75 | 0.97 | 1.05 | 0.15 | 0.44 | 1.22 | 1.55 | 0.78 | 1.88 | v | |||||||||||
1917 | 1.07 | 1.33 | 1.22 | k | 0.77 | 0.57 | 0.90 | 0.36 | 0.37 | 1.02 | 1.10 | 2.05 | 2.92 | 2.92 | k | |||||||||||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.10 | x | ----- | z | 0.40 | ----- | z | |
1919 | 2.10 | 0.55 | s | 0.23 | x | 0.90 | 2.00 | ----- | z | 0.35 | ----- | z | ----- | z | 1.20 | 2.15 | 1.75 | t | ----- | z | ||||||
1920 | 1.10 | v | 0.80 | 2.00 | 0.75 | 1.50 | v | ----- | z | 0.60 | 0.95 | 1.40 | ----- | z | 0.35 | 0.65 | ----- | z | ||||||||
1921 | 1.00 | u | 0.45 | y | 0.35 | v | 0.75 | ----- | z | ----- | z | 0.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1922 | ----- | z | 0.40 | 1.40 | 1.00 | ----- | z | ----- | z | ----- | z | 1.15 | ----- | z | ----- | z | ----- | z | 0.40 | w | ----- | z | ||||
1923 | 0.90 | 0.60 | ----- | z | ----- | z | 0.30 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.35 | ----- | z | ----- | z | ||||
1924 | ----- | z | 2.10 | 0.30 | ----- | z | ----- | z | 0.35 | ----- | z | ----- | z | ----- | z | ----- | z | 1.10 | d | 1.90 | t | ----- | z | |||
1925 | 0.85 | e | 1.25 | x | 0.20 | x | ----- | z | 0.60 | ----- | 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 | 1.28 | ----- | z | 1.10 | ----- | z | 2.30 | 1.34 | ----- | z | ||||
1935 | 3.61 | a | 0.83 | 1.19 | 0.48 | 0.23 | 0.75 | 0.74 | 0.10 | 3.53 | 1.70 | 0.88 | 0.49 | 3.61 | a | |||||||||||
1936 | 1.75 | 1.72 | 0.95 | g | 1.28 | 0.63 | 0.72 | 0.48 | 0.46 | 2.97 | 1.16 | 1.25 | 2.40 | 2.97 | g | |||||||||||
1937 | 0.56 | 1.51 | 0.65 | 1.23 | d | 0.47 | 1.34 | 0.32 | 0.43 | 0.19 | 3.62 | 2.23 | 2.88 | 3.62 | d | |||||||||||
1938 | 1.59 | 0.37 | 0.84 | h | 1.30 | 0.29 | 0.20 | 0.32 | 0.31 | x | 0.47 | 1.22 | t | 1.87 | p | 1.57 | l | ----- | z | |||||||
1939 | 2.22 | f | 1.14 | k | 0.56 | q | 1.33 | p | 1.20 | r | 0.91 | m | 0.70 | 0.35 | x | 0.46 | v | 1.30 | n | 1.77 | 1.42 | ----- | z | |||
1940 | 0.59 | 1.36 | 1.26 | 0.46 | 1.03 | 0.66 | 0.38 | u | 0.43 | x | 0.70 | 2.23 | a | 0.60 | 1.38 | ----- | z | |||||||||
1941 | 1.40 | 0.61 | 0.43 | 0.54 | 0.76 | l | ----- | z | 0.00 | k | 0.78 | t | 1.51 | 1.89 | q | 1.91 | 1.71 | ----- | z | |||||||
1942 | 0.70 | 0.53 | 1.20 | a | 0.66 | 0.53 | 0.87 | 0.65 | 0.24 | 0.13 | 2.40 | 2.86 | 1.05 | c | 2.86 | d | ||||||||||
1943 | 1.30 | 1.24 | 1.37 | 1.32 | 0.62 | m | 0.99 | 0.84 | 0.37 | 1.32 | 1.35 | 1.33 | 2.25 | 2.25 | m | |||||||||||
1944 | 1.20 | 0.95 | 1.21 | 0.77 | 0.58 | 0.80 | 0.57 | 0.70 | 1.75 | 1.00 | 1.68 | 1.05 | x | 1.75 | x | |||||||||||
1945 | 2.54 | 1.95 | 1.72 | 0.65 | 0.42 | 0.71 | 0.40 | 1.15 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.26 | 1.07 | ----- | z | ----- | z | ||
1947 | ----- | z | 1.47 | w | 0.94 | x | 0.79 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.93 | ----- | z | 2.05 | l | ----- | z | ||
1948 | 2.40 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | 1.80 | q | 0.28 | g | 0.82 | 0.91 | 0.38 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1950 | 1.30 | 2.49 | c | 2.22 | f | 1.90 | a | 1.10 | 1.15 | 0.59 | 2.00 | 1.90 | a | 2.89 | c | 1.65 | 2.42 | f | 2.89 | t | ||||||
1951 | 1.80 | d | 2.88 | c | 1.19 | 0.33 | 1.49 | b | 0.51 | 0.08 | 0.47 | 0.86 | 1.80 | d | 2.72 | g | 0.87 | b | 2.88 | v | ||||||
1952 | 0.98 | b | 1.71 | b | 1.16 | a | 1.48 | a | 0.50 | 1.04 | d | 0.28 | 1.14 | 0.98 | e | 1.34 | 0.77 | 1.30 | c | 1.71 | r | |||||
1953 | 2.15 | b | 1.19 | 0.83 | a | 0.60 | 0.61 | 0.75 | 0.57 | 0.36 | 2.64 | 2.32 | 1.51 | d | 1.24 | 2.64 | g | |||||||||
1954 | 2.07 | 1.31 | 0.78 | 0.92 | 0.53 | 0.90 | 1.05 | 1.03 | 0.42 | a | 1.50 | 3.37 | c | 1.67 | 3.37 | d | ||||||||||
1955 | 0.94 | 2.26 | 1.07 | 0.89 | 1.55 | 0.88 | 1.00 | 0.96 | 0.42 | c | ----- | z | 2.40 | t | 1.50 | i | ----- | z | ||||||||
1956 | 0.90 | 0.73 | 1.70 | 0.55 | 0.76 | 1.96 | b | 0.66 | 0.86 | 1.32 | a | 3.49 | d | 1.34 | o | ----- | z | ----- | z | |||||||
1957 | ----- | z | 2.50 | f | 1.10 | d | 1.00 | e | 0.70 | 0.76 | 0.69 | 0.15 | 0.47 | 1.37 | 0.96 | c | 2.82 | d | ----- | z | ||||||
1958 | 2.00 | c | 1.60 | a | 0.45 | 1.14 | c | 0.72 | 1.43 | a | 0.00 | b | 0.50 | 1.46 | 1.59 | 1.60 | b | 1.40 | g | 2.00 | s | |||||
1959 | 2.23 | c | 1.20 | a | 1.20 | 2.70 | 1.00 | 1.50 | 0.49 | 0.81 | 2.30 | a | 1.70 | a | 1.71 | a | 4.65 | b | 4.65 | i | ||||||
1960 | 1.70 | 2.00 | 2.35 | 0.61 | 0.58 | 0.43 | 0.00 | 1.05 | 1.00 | 2.00 | 2.00 | 1.10 | 2.35 | |||||||||||||
1961 | 2.00 | 1.85 | b | 1.30 | ----- | z | 0.85 | a | 0.70 | 0.62 | 1.50 | 1.25 | 1.60 | 1.55 | 1.75 | c | ----- | z | ||||||||
1962 | 2.10 | c | 1.24 | a | 1.70 | d | 1.50 | a | 1.05 | b | 1.30 | a | 0.50 | 1.10 | 1.05 | 0.50 | b | 2.20 | g | 1.55 | a | 2.20 | v | |||
1963 | 1.50 | h | 2.00 | 0.65 | 0.65 | 0.40 | 0.52 | 1.05 | 0.64 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1964 | ----- | z | ----- | z | 0.63 | v | ----- | z | ----- | z | 0.87 | 0.51 | 0.67 | 2.01 | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1965 | ----- | z | ----- | z | 0.84 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.78 | 1.90 | 2.40 | b | ----- | z | ----- | z | |||
1966 | ----- | z | ----- | z | 1.99 | a | 1.05 | 0.59 | 1.12 | 0.55 | 0.84 | 1.10 | 2.43 | 1.24 | 1.55 | ----- | z | |||||||||
1967 | 2.26 | 1.65 | 1.34 | 0.48 | 0.68 | 0.62 | 0.35 | 0.23 | 0.87 | 2.45 | b | 1.08 | b | 2.57 | 2.57 | d | ||||||||||
1968 | 3.45 | 1.33 | 1.81 | 0.80 | 0.88 | 4.00 | 0.85 | 0.88 | 1.40 | ----- | z | ----- | z | ----- | z | ----- | z | |||||||||
1969 | 1.42 | 0.79 | 1.73 | ----- | z | 1.26 | 1.26 | 0.65 | 0.47 | 1.45 | 0.83 | 1.99 | 2.70 | d | ----- | z | ||||||||||
1970 | 2.00 | g | 1.00 | d | 1.70 | b | 3.60 | c | 0.36 | 0.22 | 0.75 | 0.14 | 0.77 | 1.33 | c | 2.48 | 1.70 | e | 3.60 | x | ||||||
1971 | 4.40 | e | 1.70 | 1.30 | a | 1.40 | 0.76 | 0.70 | 0.43 | 1.07 | 0.47 | ----- | z | 2.90 | c | 2.10 | e | ----- | z | |||||||
1972 | 2.20 | b | 3.55 | f | 2.90 | b | 1.17 | d | 0.90 | 0.78 | 1.82 | 0.55 | 1.50 | a | 0.54 | 2.50 | g | 3.30 | e | ----- | z | |||||
1973 | 2.00 | a | 0.94 | a | 0.90 | c | ----- | z | ----- | z | 0.70 | l | 0.00 | 0.47 | 0.55 | a | 4.50 | k | 1.84 | c | 1.85 | f | ----- | z | ||
1974 | 2.90 | b | 2.60 | e | 2.70 | d | 1.20 | ----- | z | 0.25 | a | 0.72 | c | 0.18 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
1975 | 1.70 | p | 1.55 | f | 1.03 | f | ----- | z | ----- | z | 0.70 | v | 0.95 | 1.75 | 0.18 | 2.70 | c | 2.46 | f | 4.10 | d | ----- | z | |||
1976 | 2.03 | a | 1.63 | 1.46 | 0.75 | 0.68 | 1.95 | 0.38 | 1.13 | 1.16 | 0.85 | 0.65 | a | 2.32 | h | 2.32 | j | |||||||||
1977 | 2.06 | 1.57 | 1.40 | c | 0.77 | 0.56 | ----- | z | 1.01 | 1.11 | 0.53 | 1.82 | 3.35 | i | 2.20 | n | ----- | z | ||||||||
1978 | ----- | z | ----- | z | 2.05 | a | 0.65 | e | 0.86 | a | 0.41 | 0.89 | 1.15 | 1.30 | ----- | z | ----- | z | 0.74 | r | ----- | z | ||||
1979 | ----- | z | 1.45 | n | 1.02 | 0.62 | b | 1.26 | d | 0.63 | 0.44 | b | 0.63 | 1.21 | 2.77 | f | 0.90 | 6.00 | b | ----- | z | |||||
1980 | 2.00 | d | 1.63 | 0.98 | 1.05 | b | 0.81 | 0.36 | a | ----- | z | ----- | z | ----- | z | 0.90 | 2.50 | e | 2.95 | ----- | z | |||||
1981 | 0.46 | b | 1.90 | 0.90 | 1.34 | b | 0.67 | a | 0.90 | 0.81 | 1.09 | 1.75 | 2.41 | a | 1.11 | 1.45 | 2.41 | f | ||||||||
1982 | 2.70 | 1.54 | 1.20 | 1.61 | 0.40 | 0.82 | 0.58 | 1.43 | 0.67 | 1.40 | 0.82 | 3.27 | 3.27 | |||||||||||||
1983 | 2.90 | c | 0.94 | b | 1.25 | a | 1.28 | j | 0.54 | e | 1.18 | c | 2.24 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | 1.10 | v | 0.00 | q | 1.30 | k | 1.50 | f | 0.90 | a | 1.20 | f | 0.50 | h | 1.90 | f | 0.70 | p | 1.20 | g | 1.00 | e | 0.30 | t | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.82 | 1.41 | 1.32 | 1.03 | 0.75 | 0.93 | 0.64 | 0.73 | 1.15 | 1.69 | 1.57 | 2.03 | 3.01 | |||||||||||||
S.D. | 0.87 | 0.60 | 0.55 | 0.59 | 0.35 | 0.61 | 0.42 | 0.46 | 0.73 | 0.75 | 0.71 | 1.24 | 0.53 | |||||||||||||
SKEW | 0.74 | 0.28 | 0.76 | 2.36 | 1.39 | 2.95 | 1.45 | 0.56 | 1.21 | 0.72 | 0.40 | 1.17 | -0.08 | |||||||||||||
MAX | 4.40 | 2.88 | 2.90 | 3.60 | 2.00 | 4.00 | 2.24 | 2.00 | 3.53 | 3.62 | 3.37 | 6.00 | 3.62 | |||||||||||||
MIN | 0.46 | 0.37 | 0.30 | 0.33 | 0.23 | 0.20 | 0.00 | 0.09 | 0.13 | 0.50 | 0.35 | 0.40 | 2.35 | |||||||||||||
YRS | 40 | 43 | 44 | 45 | 45 | 45 | 50 | 45 | 45 | 38 | 41 | 35 | 8 |