YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | 0.83 | j | 0.95 | 1.07 | 1.07 | a | 1.01 | 0.98 | 0.38 | 0.70 | 0.54 | 0.47 | d | 3.56 | 10.73 | b | ||||||||
1956 | 2.46 | 0.78 | 0.57 | 0.58 | 2.54 | 0.74 | 0.44 | 0.00 | 0.60 | 2.34 | 0.22 | 2.04 | 13.31 | |||||||||||||
1957 | 1.04 | 1.19 | 2.46 | 1.35 | c | 2.86 | 1.05 | 0.02 | 0.14 | 0.32 | 0.91 | a | 2.35 | a | 1.70 | 15.39 | ||||||||||
1958 | 1.61 | 1.74 | 0.85 | 0.81 | 0.00 | 1.87 | 0.00 | 1.85 | 0.45 | q | 0.10 | 1.70 | 1.20 | 11.73 | a | |||||||||||
1959 | 1.51 | 0.90 | 0.47 | 0.20 | 1.77 | 1.06 | 0.00 | 0.16 | 2.08 | 0.47 | 0.00 | 0.84 | 9.46 | |||||||||||||
1960 | 1.57 | 1.88 | 1.44 | 0.79 | 0.79 | 0.05 | 0.86 | 0.26 | 0.05 | b | 0.92 | 1.69 | 0.60 | 10.90 | ||||||||||||
1961 | 0.09 | 1.18 | 1.83 | 0.01 | 0.86 | 1.26 | 0.25 | 1.50 | 0.89 | 1.73 | 0.30 | 1.36 | 11.26 | |||||||||||||
1962 | 0.38 | g | 2.28 | 1.34 | 1.40 | 3.06 | a | 0.58 | 0.48 | ----- | z | 0.12 | 0.37 | a | 1.23 | 0.00 | 10.86 | b | ||||||||
1963 | 1.57 | 1.15 | c | 0.65 | 2.43 | g | 2.94 | 5.62 | a | 0.00 | 0.25 | 1.39 | c | 0.14 | 0.98 | 1.04 | 15.73 | a | ||||||||
1964 | 1.45 | 0.26 | 0.75 | 0.84 | b | 0.63 | a | 2.05 | 0.18 | 0.02 | 0.19 | 0.51 | 2.04 | 4.16 | 13.08 | |||||||||||
1965 | 1.45 | 0.19 | 0.62 | 2.05 | 2.08 | 1.01 | 0.35 | 1.30 | 0.87 | 0.00 | 0.90 | 1.25 | 12.07 | |||||||||||||
1966 | 0.53 | 0.65 | 0.79 | a | 0.30 | d | 0.51 | b | 0.87 | 0.04 | 0.12 | 0.90 | 0.00 | 1.06 | 1.46 | 7.23 | ||||||||||
1967 | 2.52 | 0.19 | 0.60 | 2.32 | 1.38 | 1.43 | a | 0.52 | 0.31 | 0.26 | 0.74 | 0.93 | 1.45 | a | 12.65 | |||||||||||
1968 | ----- | z | 1.06 | 0.57 | 0.45 | 1.69 | 3.01 | ----- | z | 3.81 | 0.22 | 0.74 | 2.07 | 2.15 | a | 15.77 | b | |||||||||
1969 | 2.19 | 1.28 | 0.40 | 0.49 | 0.19 | 2.64 | 0.41 | 0.00 | 0.32 | 1.51 | 0.36 | 2.37 | 12.16 | |||||||||||||
1970 | 3.79 | 0.73 | 0.77 | 1.30 | 1.35 | 3.04 | 1.69 | 0.13 | 0.51 | 1.26 | 3.33 | 1.66 | 19.56 | |||||||||||||
1971 | 1.78 | 0.84 | 2.52 | 0.95 | 1.80 | 0.91 | 0.41 | 0.33 | 0.61 | 1.06 | 1.79 | 1.89 | 14.89 | |||||||||||||
1972 | 2.90 | 0.85 | 1.46 | 0.49 | 0.67 | 1.47 | 0.00 | 0.00 | 1.23 | 2.92 | 1.01 | 1.88 | 14.88 | |||||||||||||
1973 | 1.54 | 0.49 | 0.56 | 0.56 | ----- | z | ----- | z | 0.31 | ----- | z | 1.01 | 0.50 | 2.67 | ----- | z | 7.64 | d | ||||||||
1974 | 2.30 | b | 0.74 | 1.62 | 1.45 | 0.00 | 0.08 | 0.20 | 0.18 | 0.00 | 0.84 | 0.44 | 1.56 | 9.41 | ||||||||||||
1975 | 1.39 | 1.45 | 1.80 | 1.21 | 0.95 | 1.57 | 1.60 | 0.21 | 0.63 | 3.29 | 1.46 | 0.51 | 16.07 | |||||||||||||
1976 | 0.60 | 2.22 | 0.82 | 0.59 | 1.15 | 0.53 | 0.90 | ----- | z | 3.05 | 1.09 | ----- | z | 0.05 | 11.00 | b | ||||||||||
1977 | 0.57 | 0.88 | 1.16 | 0.22 | 1.76 | 1.15 | 0.25 | 1.31 | 0.41 | 0.00 | 1.56 | 2.57 | b | 11.84 | ||||||||||||
1978 | 1.35 | 1.51 | 0.89 | 1.76 | e | 0.50 | 0.25 | 0.57 | 0.01 | 2.76 | 0.00 | 0.79 | 0.80 | 11.19 | ||||||||||||
1979 | 1.99 | 1.69 | 1.16 | 0.55 | 1.54 | 0.39 | 0.92 | 0.80 | 0.52 | 3.09 | 1.57 | 0.25 | b | 14.47 | ||||||||||||
1980 | 2.91 | 1.95 | 1.10 | 0.91 | 2.96 | 0.89 | 0.24 | 0.45 | 0.81 | 0.76 | 1.14 | 0.62 | 14.74 | |||||||||||||
1981 | 0.35 | 0.53 | 1.18 | 0.88 | 2.20 | 0.23 | 0.05 | 0.07 | 0.70 | 1.23 | b | 1.97 | 2.60 | 11.99 | ||||||||||||
1982 | 0.67 | b | 0.73 | j | 1.59 | p | 0.94 | t | 1.32 | 0.58 | 1.21 | 0.64 | 2.24 | 1.03 | c | 1.78 | 1.22 | 10.69 | c | |||||||
1983 | 0.54 | 1.12 | 1.71 | 1.36 | 1.41 | 1.57 | 0.25 | 3.37 | 0.75 | 1.31 | 2.63 | 4.41 | 20.43 | |||||||||||||
1984 | 0.36 | 1.27 | 1.01 | 1.21 | 1.27 | 3.25 | 2.43 | 0.89 | 0.34 | 1.69 | 1.48 | 0.47 | c | 15.67 | ||||||||||||
1985 | 0.60 | 0.70 | 0.93 | 0.78 | 1.79 | 0.16 | 0.86 | 0.21 | 1.89 | 0.52 | a | 1.75 | 1.17 | 11.36 | ||||||||||||
1986 | 0.62 | 4.06 | 1.19 | 1.91 | 1.27 | 0.26 | 0.24 | 0.16 | 1.62 | 0.44 | 0.54 | a | 0.11 | a | 12.42 | |||||||||||
1987 | 0.94 | 0.55 | 0.96 | 0.56 | 4.17 | 0.20 | 0.60 | 0.20 | 0.00 | 0.48 | 2.17 | a | 1.19 | 12.02 | ||||||||||||
1988 | 0.87 | 0.49 | 1.17 | 0.37 | c | 1.83 | a | 0.70 | 0.00 | 0.02 | 0.27 | 0.00 | 3.87 | 0.81 | 10.40 | |||||||||||
1989 | 0.49 | 0.86 | 3.06 | 0.47 | 0.71 | 0.20 | 0.36 | 0.20 | 1.21 | 0.88 | 1.16 | 0.14 | 9.74 | |||||||||||||
1990 | 1.44 | b | 0.25 | b | 0.91 | 1.94 | 3.11 | 0.37 | a | 0.07 | 0.94 | 0.13 | 0.64 | 0.81 | 0.96 | 11.57 | ||||||||||
1991 | 0.51 | 0.51 | 1.25 | 2.26 | 1.59 | 0.49 | 0.54 | 0.60 | 1.04 | 1.03 | 2.13 | 0.32 | 12.27 | |||||||||||||
1992 | 0.14 | a | 1.01 | 0.60 | b | 1.37 | 0.04 | 0.78 | a | 0.39 | 2.35 | b | 0.36 | 0.93 | 1.39 | 1.38 | 10.74 | |||||||||
1993 | 0.53 | 0.26 | 1.47 | 1.42 | a | 1.84 | a | 1.55 | 1.22 | e | 0.28 | 0.07 | 0.85 | 0.35 | a | 0.34 | c | 10.18 | ||||||||
1994 | 0.29 | 0.82 | 0.41 | 2.42 | 2.12 | 0.20 | 0.83 | 0.43 | 0.33 | 0.84 | 0.52 | 0.96 | 10.17 | |||||||||||||
1995 | 0.99 | 0.66 | 0.39 | 0.72 | 6.22 | 1.84 | 0.50 | 0.00 | 0.24 | 0.24 | 1.97 | 1.97 | 15.74 | |||||||||||||
1996 | 2.19 | a | 1.18 | 1.00 | 1.14 | 2.41 | 0.28 | 4.51 | 0.09 | 0.57 | 0.67 | 0.77 | 4.59 | c | 19.40 | |||||||||||
1997 | 2.95 | e | 0.31 | c | 0.84 | d | 1.15 | b | 2.18 | c | 1.97 | a | 0.53 | a | 0.05 | a | 0.18 | 1.51 | c | 0.46 | 0.99 | f | 12.13 | a | ||
1998 | 1.97 | m | ----- | z | 2.09 | e | 2.03 | d | 3.97 | g | 2.03 | a | 0.21 | a | 0.02 | b | 2.38 | d | 0.79 | d | 1.94 | g | 0.41 | c | 9.96 | d |
1999 | 2.66 | i | 1.01 | g | 0.79 | h | 0.74 | c | 2.27 | b | 1.91 | b | 0.00 | 0.05 | 0.02 | 0.62 | 0.60 | s | ----- | z | 5.61 | e | ||||
2000 | 1.08 | y | ----- | z | 0.13 | y | 0.76 | n | 0.84 | j | 0.00 | f | 0.00 | m | 0.03 | m | 0.00 | m | 0.22 | o | 0.00 | l | 0.00 | m | 0.00 | l |
2001 | 0.00 | s | 0.07 | o | 0.56 | w | 0.56 | q | 0.94 | p | 0.61 | v | 0.10 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | s | 0.26 | c | 0.03 | e | 1.05 | e | 0.16 | i | 0.00 | y | ----- | z | 1.34 | i |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | o | 0.71 | e | 1.80 | l | 0.28 | j | 0.13 | h | 0.47 | u | 0.14 | y | 0.71 | k |
2004 | 0.25 | s | 0.58 | p | 0.11 | u | 1.21 | s | 0.44 | v | ----- | z | ----- | z | ----- | z | 0.07 | y | 0.49 | u | ----- | z | ----- | z | 0.00 | l |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.34 | 1.04 | 1.12 | 1.06 | 1.69 | 1.21 | 0.60 | 0.56 | 0.80 | 0.92 | 1.38 | 1.43 | 12.90 | |||||||||||||
S.D. | 0.91 | 0.73 | 0.60 | 0.62 | 1.17 | 1.09 | 0.78 | 0.86 | 0.76 | 0.78 | 0.86 | 1.14 | 3.01 | |||||||||||||
SKEW | 0.71 | 1.92 | 1.29 | 0.55 | 1.40 | 1.81 | 3.20 | 2.37 | 1.36 | 1.45 | 0.71 | 1.23 | 0.81 | |||||||||||||
MAX | 3.79 | 4.06 | 3.06 | 2.42 | 6.22 | 5.62 | 4.51 | 3.81 | 3.05 | 3.29 | 3.87 | 4.59 | 20.43 | |||||||||||||
MIN | 0.09 | 0.19 | 0.39 | 0.01 | 0.00 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 7.23 | |||||||||||||
YRS | 40 | 41 | 43 | 43 | 43 | 44 | 46 | 43 | 45 | 45 | 42 | 42 | 34 |