YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.30 | 0.23 | 0.70 | 0.20 | 0.70 | ----- | z | |||||
1924 | 0.80 | 0.09 | a | 0.10 | 0.00 | 0.01 | 0.35 | 0.70 | 0.70 | 0.50 | 1.05 | 0.75 | 0.70 | 1.05 | a | |||||||||||
1925 | 0.83 | 0.65 | b | 0.35 | 0.50 | 1.04 | 0.25 | 0.00 | 0.00 | 0.45 | 0.30 | 0.50 | 0.45 | a | 1.04 | c | ||||||||||
1926 | 0.70 | 0.75 | b | 0.70 | 0.40 | 0.20 | 0.55 | 0.12 | 1.00 | 0.69 | 0.65 | 1.20 | 0.30 | g | 1.20 | i | ||||||||||
1927 | 0.45 | 0.90 | a | 0.40 | 0.42 | 0.60 | 0.58 | 0.07 | 0.32 | 1.10 | 0.63 | 0.60 | 0.40 | 1.10 | a | |||||||||||
1928 | ----- | z | ----- | z | 0.45 | 0.42 | 0.16 | 0.60 | 0.20 | 0.03 | 0.02 | 0.25 | 0.70 | 0.40 | ----- | z | ||||||||||
1929 | 0.30 | ----- | z | 0.45 | 0.33 | 0.15 | 0.47 | ----- | z | ----- | z | 0.10 | 0.28 | ----- | z | 0.86 | ----- | z | ||||||||
1930 | 0.42 | 0.35 | 0.56 | 0.28 | u | 0.52 | 0.45 | 0.08 | 0.23 | 0.14 | 0.32 | 0.86 | 0.26 | 0.86 | u | |||||||||||
1931 | 0.71 | a | 0.18 | 0.57 | r | 0.08 | 0.12 | v | 0.45 | q | 0.13 | 0.00 | 0.61 | 0.43 | 0.45 | 1.46 | ----- | z | ||||||||
1932 | 0.96 | 0.36 | 0.47 | 0.95 | 0.87 | 0.15 | 0.04 | 0.15 | x | 0.16 | 0.23 | 0.62 | 1.30 | 1.30 | x | |||||||||||
1933 | 0.56 | 0.37 | 0.68 | 0.18 | 0.83 | 0.78 | 0.33 | 0.35 | 0.75 | 0.83 | 0.30 | 1.06 | 1.06 | |||||||||||||
1934 | 1.01 | 0.34 | 0.44 | 0.33 | 0.19 | 0.38 | 0.52 | 0.13 | 1.48 | 0.93 | 0.60 | 0.58 | 1.48 | |||||||||||||
1935 | 0.80 | 0.46 | 0.31 | 0.34 | w | 0.21 | 0.54 | 0.18 | 0.67 | 0.06 | 0.94 | 0.35 | t | 0.65 | s | ----- | z | |||||||||
1936 | 0.80 | a | 0.46 | o | 0.23 | a | 0.68 | 0.31 | w | 1.38 | u | ----- | z | ----- | z | 0.19 | ----- | z | ----- | z | 0.42 | s | ----- | z | ||
1937 | 0.42 | o | 0.51 | p | 0.78 | 0.63 | 0.27 | 1.44 | 0.31 | 0.32 | 0.58 | 0.48 | v | 1.02 | i | 1.02 | ----- | z | ||||||||
1938 | 1.02 | q | 0.70 | q | 0.82 | s | 0.14 | w | 0.13 | 0.53 | 0.22 | y | ----- | z | 0.10 | x | 1.50 | v | 0.49 | w | 0.78 | u | ----- | z | ||
1939 | 0.64 | r | 0.46 | q | 0.47 | t | ----- | z | 0.30 | w | 0.42 | l | ----- | z | ----- | z | ----- | z | 0.45 | y | ----- | z | 0.67 | r | ----- | z |
1940 | ----- | z | 1.34 | l | 0.82 | s | 0.42 | p | 0.24 | v | ----- | z | ----- | z | ----- | z | 1.45 | 0.90 | 0.59 | 0.70 | r | ----- | z | |||
1941 | 0.73 | 0.45 | 0.52 | 0.21 | 0.71 | 0.43 | 0.04 | 0.53 | 0.81 | 0.33 | 0.88 | 0.92 | 0.92 | |||||||||||||
1942 | 0.30 | 1.00 | 0.30 | 0.37 | 0.74 | 0.90 | 0.10 | 0.16 | 0.27 | 0.69 | 0.82 | 0.55 | 1.00 | |||||||||||||
1943 | 0.30 | 0.49 | 0.59 | 0.60 | 0.50 | 0.51 | 0.30 | 0.13 | 0.07 | 0.99 | 0.56 | 0.50 | 0.99 | |||||||||||||
1944 | 0.76 | 0.30 | 0.39 | 1.40 | 0.96 | 0.37 | 0.23 | 0.01 | 0.52 | 0.25 | 0.84 | 0.36 | 1.40 | |||||||||||||
1945 | 0.80 | 0.65 | 0.73 | 0.30 | a | 0.77 | 0.46 | 0.10 | 0.18 | 1.07 | 0.40 | 0.58 | 0.64 | 1.07 | a | |||||||||||
1946 | 0.75 | 0.77 | 0.57 | 0.52 | 0.27 | 0.34 | 0.27 | 0.05 | 0.24 | 0.95 | 0.65 | 0.37 | 0.95 | |||||||||||||
1947 | 0.40 | 0.31 | 0.67 | 0.52 | 0.23 | 1.17 | 0.50 | 0.15 | 0.80 | 0.47 | 0.38 | 0.62 | 1.17 | |||||||||||||
1948 | 0.80 | 0.47 | 0.11 | 0.82 | 1.28 | 0.87 | 0.40 | 0.20 | 0.83 | 0.24 | 0.40 | 0.53 | 1.28 | |||||||||||||
1949 | 0.20 | 0.98 | 0.54 | 0.35 | 0.45 | 0.22 | 0.03 | 0.13 | 0.69 | 0.92 | 0.38 | 0.38 | 0.98 | |||||||||||||
1950 | 0.64 | 0.73 | 0.77 | 0.30 | 0.39 | 0.71 | 0.49 | 0.19 | 0.00 | 1.02 | a | 0.50 | 0.47 | a | 1.02 | b | ||||||||||
1951 | 0.83 | 0.63 | 0.45 | 0.70 | 0.15 | g | 0.41 | 0.14 | 0.55 | 0.55 | 0.68 | 0.50 | 1.53 | a | 1.53 | h | ||||||||||
1952 | 0.56 | 0.30 | 0.30 | 0.18 | 0.35 | 0.78 | 0.15 | 0.58 | 0.52 | b | 0.08 | 0.43 | 0.67 | 0.78 | b | |||||||||||
1953 | 0.65 | 0.52 | 0.59 | 1.39 | 0.67 | 0.41 | 0.09 | 0.79 | 0.18 | 0.25 | 0.72 | 0.92 | 1.39 | |||||||||||||
1954 | 0.53 | 0.65 | 0.40 | 0.24 | 0.20 | 0.72 | 0.64 | 0.95 | 1.30 | 0.32 | 0.51 | 0.77 | 1.30 | |||||||||||||
1955 | 0.44 | 0.23 | 0.58 | 0.61 | 0.41 | 0.44 | 0.42 | 0.00 | 0.75 | 0.83 | 0.53 | 0.82 | 0.83 | |||||||||||||
1956 | 1.07 | 0.98 | 0.21 | 0.90 | 0.25 | 0.29 | 1.00 | 1.08 | 0.33 | 0.27 | 0.35 | 0.59 | 1.08 | |||||||||||||
1957 | 0.21 | 0.70 | 1.02 | c | 0.94 | 1.73 | 0.53 | 0.17 | 0.39 | 0.33 | 0.35 | 0.74 | 0.34 | 1.73 | c | |||||||||||
1958 | 0.65 | 0.92 | 0.40 | 0.50 | 0.58 | 0.32 | 0.69 | 0.10 | 0.16 | 0.73 | 0.75 | 0.73 | 0.92 | |||||||||||||
1959 | 0.90 | 0.45 | 0.49 | 0.75 | 0.75 | 0.67 | 0.04 | 0.60 | 0.89 | 0.45 | 0.50 | 0.65 | c | 0.90 | c | |||||||||||
1960 | 0.52 | a | 0.40 | a | 0.53 | a | 0.55 | 1.82 | 0.10 | 0.00 | 0.25 | 0.70 | 0.40 | 0.95 | 0.80 | 1.82 | c | |||||||||
1961 | 0.44 | 0.65 | 0.63 | 1.09 | a | 0.70 | 0.41 | 0.55 | 0.17 | 0.14 | 0.40 | 0.57 | 0.76 | 1.09 | a | |||||||||||
1962 | 0.43 | 0.22 | 0.33 | 1.05 | 0.43 | 0.45 | 0.04 | 0.31 | 0.71 | 1.43 | 1.27 | g | 0.76 | l | 1.43 | s | ||||||||||
1963 | 0.00 | 0.45 | 0.50 | 1.25 | a | 0.58 | a | 0.13 | 0.28 | ----- | z | 1.32 | w | 0.45 | 0.66 | 0.89 | ----- | z | ||||||||
1964 | 0.65 | a | 0.14 | 0.20 | 2.50 | 0.43 | b | 0.65 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.89 | c | ----- | z | ||||
1965 | 1.19 | 1.00 | a | 0.18 | 1.19 | ----- | z | 0.00 | 0.45 | 0.42 | 0.11 | 0.00 | 0.78 | f | 1.65 | a | ----- | z | ||||||||
1966 | ----- | z | ----- | z | 0.70 | b | 0.18 | 0.20 | 0.54 | 0.49 | 0.14 | 0.61 | 0.31 | 1.18 | 1.43 | ----- | z | |||||||||
1967 | 0.65 | 0.28 | 0.51 | 0.40 | 0.54 | 0.23 | 0.06 | 0.00 | 0.15 | 0.52 | 1.78 | 0.76 | d | 1.78 | d | |||||||||||
1968 | 0.81 | c | 0.64 | a | 0.52 | c | 0.14 | 0.72 | 0.27 | 0.24 | 0.25 | 0.20 | 0.58 | 1.20 | 0.81 | 1.20 | g | |||||||||
1969 | 0.80 | 0.91 | 0.83 | 0.59 | 0.31 | 0.50 | 0.51 | 0.00 | 0.61 | 0.16 | 0.41 | 0.64 | 0.91 | |||||||||||||
1970 | 0.96 | 0.46 | 0.41 | 0.20 | 0.30 | 0.62 | 0.52 | 0.28 | 0.39 | 0.49 | 0.78 | 0.40 | 0.96 | |||||||||||||
1971 | 0.62 | 0.24 | 0.78 | 0.66 | 0.41 | 0.38 | 0.58 | 0.38 | 0.39 | 0.66 | 0.28 | 0.58 | 0.78 | |||||||||||||
1972 | 0.31 | 0.38 | 0.14 | 0.41 | 0.58 | 0.67 | 0.14 | 1.35 | 0.29 | 0.27 | 0.40 | 0.64 | 1.35 | |||||||||||||
1973 | 0.60 | 0.36 | 0.23 | 0.27 | 0.37 | 0.16 | ----- | z | 0.06 | 0.62 | 0.38 | 0.80 | 1.15 | ----- | z | |||||||||||
1974 | 0.59 | 0.74 | 0.58 | 0.15 | 0.45 | 0.20 | 1.30 | 0.03 | 0.24 | 0.04 | 0.97 | 1.14 | 1.30 | |||||||||||||
1975 | 0.59 | 1.13 | 0.69 | 0.80 | 1.14 | 0.20 | 0.92 | 0.52 | 0.02 | 0.87 | 0.48 | 1.16 | b | 1.16 | b | |||||||||||
1976 | 0.85 | 0.66 | 0.79 | 0.35 | 1.12 | 0.41 | 0.52 | 1.22 | 0.01 | 0.38 | 0.25 | 0.43 | 1.22 | |||||||||||||
1977 | 0.46 | 0.23 | 0.62 | 0.14 | 0.47 | 0.33 | 0.20 | 0.51 | 0.59 | 0.59 | a | 1.02 | c | 1.14 | 1.14 | d | ||||||||||
1978 | 0.42 | 0.70 | 0.35 | 0.59 | 1.31 | 0.22 | 0.57 | 1.51 | 0.78 | 0.13 | 0.72 | ----- | z | ----- | z | |||||||||||
1979 | 0.41 | 1.66 | e | 0.59 | 0.24 | 0.97 | 0.82 | 0.62 | 0.94 | 0.46 | 0.51 | 0.37 | 1.10 | a | 1.66 | f | ||||||||||
1980 | 0.89 | 0.90 | c | 0.64 | 0.65 | 0.69 | b | 0.40 | 0.30 | 1.00 | 1.04 | 0.43 | 0.78 | 1.00 | 1.04 | e | ||||||||||
1981 | 0.51 | 1.35 | e | 0.79 | 0.59 | 0.80 | b | 1.05 | 0.11 | 0.00 | 0.50 | 0.75 | 0.45 | a | 0.90 | e | 1.35 | m | ||||||||
1982 | 0.90 | 1.29 | a | 1.12 | 1.42 | a | 0.28 | 0.65 | 0.99 | 0.14 | 0.90 | 0.76 | 0.80 | 1.45 | 1.45 | b | ||||||||||
1983 | 0.48 | 0.47 | 1.06 | 0.70 | 0.68 | 0.64 | 0.80 | 0.48 | 0.47 | 0.97 | 1.64 | 0.39 | 1.64 | |||||||||||||
1984 | 0.50 | 0.56 | 0.42 | 1.10 | 0.98 | 1.47 | a | 0.17 | 0.00 | 0.31 | 0.00 | 1.40 | 0.17 | 1.47 | a | |||||||||||
1985 | 0.08 | 1.25 | 0.10 | 0.00 | 0.67 | 0.38 | 0.00 | 0.18 | 0.37 | 1.30 | 0.65 | 0.66 | b | 1.30 | b | |||||||||||
1986 | 0.30 | a | 1.07 | c | 0.75 | 0.71 | 0.55 | 0.08 | 0.23 | 0.00 | 1.33 | 0.60 | 0.65 | 0.70 | 1.33 | d | ||||||||||
1987 | 1.33 | 0.52 | 1.30 | a | 0.45 | 0.16 | 0.74 | 0.42 | 0.51 | 0.00 | 0.11 | 0.78 | 1.20 | 1.33 | a | |||||||||||
1988 | 1.11 | 0.20 | 1.07 | 0.35 | 0.79 | 0.92 | 0.00 | 0.00 | 0.43 | 0.00 | 1.30 | 0.43 | 1.30 | |||||||||||||
1989 | 0.26 | 0.72 | 0.95 | 0.80 | 1.47 | 0.22 | 0.44 | 0.65 | 0.10 | 0.90 | ----- | z | 0.84 | f | ----- | z | ||||||||||
1990 | 0.79 | 0.78 | 0.34 | 0.84 | 0.48 | 1.60 | 0.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1991 | 0.48 | 1.75 | l | ----- | z | ----- | z | 1.11 | 1.03 | 0.35 | ----- | z | ----- | z | 0.24 | 0.51 | 0.81 | l | ----- | z | ||||||
1992 | ----- | z | ----- | z | 0.19 | 0.37 | ----- | z | 1.00 | 0.90 | 0.13 | 0.01 | 0.06 | a | 1.70 | k | 0.50 | ----- | z | |||||||
1993 | 1.22 | 0.13 | b | 0.93 | 0.81 | ----- | z | ----- | z | 0.98 | p | 0.30 | 0.03 | 0.21 | ----- | z | ----- | z | ----- | z | ||||||
1994 | ----- | z | 0.31 | a | 0.16 | 0.54 | 0.79 | 0.17 | b | 0.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||||
1995 | ----- | z | ----- | z | 1.43 | a | 0.50 | 0.51 | ----- | z | 0.44 | 0.12 | 0.77 | 0.62 | 0.70 | d | ----- | z | ----- | z | ||||||
1996 | 0.60 | b | 1.51 | e | 0.68 | 0.72 | a | 0.96 | 1.22 | a | 0.29 | 0.27 | 0.34 | 0.99 | a | 0.63 | h | 2.33 | h | ----- | z | |||||
1997 | 1.04 | e | 0.86 | a | 1.06 | a | 0.72 | 0.70 | 0.37 | 0.23 | 0.85 | 0.79 | 0.60 | 1.03 | 1.11 | 1.11 | g | |||||||||
1998 | 1.06 | 0.37 | a | 0.98 | 0.83 | 1.47 | ----- | z | 0.29 | 0.38 | 0.12 | 0.29 | 1.60 | c | 1.82 | c | ----- | z | ||||||||
1999 | 1.12 | 1.13 | 1.00 | 0.23 | 0.54 | a | 2.02 | 0.34 | 0.57 | 0.00 | 0.67 | 1.10 | 2.27 | a | 2.27 | b | ||||||||||
2000 | 1.19 | b | 0.80 | d | 1.53 | a | 1.12 | 0.79 | 1.57 | 0.70 | 0.00 | 1.24 | h | 0.91 | c | 0.38 | b | ----- | z | ----- | z | |||||
2001 | ----- | z | ----- | z | 0.35 | c | 0.76 | e | 0.63 | b | 0.73 | g | 0.46 | 0.31 | u | 0.15 | 0.42 | b | 1.27 | f | 1.29 | g | ----- | z | ||
2002 | 0.44 | c | 0.59 | 0.11 | b | 0.70 | a | 0.37 | c | 0.82 | c | 0.21 | b | 0.00 | 0.25 | a | 0.00 | 1.44 | ----- | z | ----- | z | ||||
2003 | 0.77 | g | 0.66 | b | 1.08 | 0.61 | 0.65 | ----- | z | 0.00 | 0.20 | a | 0.58 | a | 0.58 | c | ----- | z | ----- | z | ----- | z | ||||
2004 | 0.50 | f | 0.66 | c | ----- | z | 0.29 | a | 2.50 | b | 0.54 | e | 0.73 | a | 0.67 | a | 0.64 | c | 1.36 | b | 0.49 | b | ----- | z | ----- | z |
2005 | 0.88 | e | 0.03 | b | 2.20 | d | 0.39 | h | 0.63 | f | 0.48 | g | 0.60 | d | 0.32 | 0.40 | f | 0.55 | h | 0.65 | c | 0.40 | d | ----- | z | |
2006 | 1.70 | k | 0.52 | c | 0.70 | f | 1.63 | d | 0.92 | e | 1.60 | g | 0.34 | b | 0.22 | 0.30 | d | 2.25 | a | ----- | z | ----- | z | ----- | z | |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.62 | y | 0.40 | b | 1.00 | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.66 | 0.62 | 0.60 | 0.61 | 0.66 | 0.58 | 0.36 | 0.38 | 0.46 | 0.56 | 0.72 | 0.81 | 1.22 | |||||||||||||
S.D. | 0.29 | 0.35 | 0.37 | 0.42 | 0.44 | 0.39 | 0.28 | 0.37 | 0.37 | 0.39 | 0.35 | 0.41 | 0.31 | |||||||||||||
SKEW | 0.12 | 0.76 | 1.45 | 1.57 | 1.54 | 1.40 | 0.91 | 1.19 | 0.81 | 1.30 | 1.16 | 1.13 | 1.17 | |||||||||||||
MAX | 1.33 | 1.66 | 2.20 | 2.50 | 2.50 | 2.02 | 1.30 | 1.51 | 1.48 | 2.25 | 1.78 | 2.27 | 2.27 | |||||||||||||
MIN | 0.00 | 0.03 | 0.10 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.20 | 0.17 | 0.78 | |||||||||||||
YRS | 70 | 71 | 76 | 76 | 74 | 72 | 75 | 72 | 76 | 76 | 67 | 64 | 42 |