YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.48 | 0.75 | ----- | z | ||
1969 | 1.23 | 0.25 | 0.31 | 0.41 | 0.15 | 0.30 | 0.18 | 0.00 | 0.10 | 0.70 | 0.60 | 0.94 | 1.23 | |||||||||||||
1970 | 0.73 | 0.19 | 0.66 | 0.10 | 0.42 | 0.31 | 0.00 | 0.00 | 0.12 | 0.23 | 0.54 | 0.33 | 0.73 | |||||||||||||
1971 | 0.44 | 0.40 | 1.23 | 0.65 | 1.09 | 0.52 | 0.25 | 0.07 | 0.56 | 0.68 | 0.29 | 0.31 | 1.23 | |||||||||||||
1972 | 0.93 | 0.57 | 0.63 | 0.38 | 0.70 | 0.03 | 0.00 | 0.00 | 0.42 | 0.62 | 0.29 | 0.33 | 0.93 | |||||||||||||
1973 | 0.14 | 0.31 | 0.45 | 0.13 | 0.53 | 0.00 | 0.00 | 0.21 | 0.81 | 0.35 | 0.75 | 0.39 | 0.81 | |||||||||||||
1974 | 0.24 | 0.40 | 0.55 | 0.46 | 0.14 | 0.02 | 0.58 | 0.34 | 0.00 | 0.40 | 0.32 | 0.35 | 0.58 | |||||||||||||
1975 | 0.55 | 0.33 | 0.25 | 0.23 | 0.19 | 0.41 | 0.66 | 0.43 | 0.33 | 0.88 | 0.34 | 0.28 | 0.88 | |||||||||||||
1976 | 0.28 | 0.51 | 0.16 | 0.19 | 0.01 | 0.34 | 0.28 | 1.40 | 0.13 | 0.12 | 0.29 | 0.12 | 1.40 | |||||||||||||
1977 | 0.83 | 0.19 | 0.22 | 0.00 | 0.68 | 0.52 | 0.14 | 0.56 | 0.78 | 0.27 | 0.50 | 1.01 | 1.01 | |||||||||||||
1978 | 0.18 | 0.18 | 0.48 | 1.30 | 0.39 | 0.25 | 0.00 | 0.45 | 0.18 | 0.00 | 0.46 | 0.13 | 1.30 | |||||||||||||
1979 | 0.50 | 0.53 | 0.50 | 0.20 | 0.40 | 0.15 | 0.00 | 0.63 | 0.08 | 1.04 | 0.65 | 0.37 | 1.04 | |||||||||||||
1980 | 0.35 | 0.70 | 0.63 | 0.52 | 0.63 | 0.51 | 0.27 | 0.35 | 0.45 | 0.33 | 0.16 | 0.23 | 0.70 | |||||||||||||
1981 | 0.34 | 0.39 | 1.04 | 0.32 | 0.52 | 0.10 | 0.00 | 0.00 | 0.86 | 0.51 | 0.75 | 0.61 | 1.04 | |||||||||||||
1982 | 0.25 | 1.01 | 0.30 | q | 0.14 | ----- | z | 0.77 | 0.47 | a | 0.11 | a | 0.28 | 0.56 | 0.20 | 0.46 | ----- | z | ||||||||
1983 | 0.75 | 0.45 | 0.56 | 0.78 | a | 0.05 | 0.25 | 0.10 | 0.19 | 0.18 | 0.32 | 0.36 | 0.50 | 0.78 | a | |||||||||||
1984 | 0.09 | 0.33 | a | 0.37 | 0.38 | 0.41 | 0.50 | 0.10 | 1.30 | 0.77 | 0.60 | 0.73 | 0.29 | 1.30 | a | |||||||||||
1985 | 0.19 | 0.16 | ----- | z | 0.29 | 0.37 | 0.36 | 0.12 | 0.03 | 1.07 | 0.52 | 0.61 | 0.16 | ----- | z | |||||||||||
1986 | 0.48 | 1.05 | 0.93 | 0.17 | 0.65 | 0.53 | ----- | z | 0.00 | 0.58 | 0.35 | 0.33 | 0.12 | ----- | z | |||||||||||
1987 | 0.51 | 0.22 | 0.30 | 0.11 | 0.14 | 1.09 | 1.58 | 0.00 | 0.00 | 0.08 | 0.28 | 0.31 | a | 1.58 | a | |||||||||||
1988 | 0.49 | 0.01 | 0.35 | 1.20 | 0.77 | 0.43 | 0.00 | 0.25 | 0.14 | 0.07 | 0.86 | 0.36 | 1.20 | |||||||||||||
1989 | 0.50 | 0.20 | 0.75 | 0.43 | 0.72 | 0.17 | 0.00 | 0.93 | 0.70 | 0.59 | 0.28 | 0.14 | 0.93 | |||||||||||||
1990 | 1.03 | 0.26 | 0.49 | 0.71 | 0.76 | 0.28 | 0.25 | 0.37 | 0.36 | 0.29 | 0.52 | 0.55 | 1.03 | |||||||||||||
1991 | 1.00 | 0.13 | 0.52 | 0.29 | a | 0.79 | 0.21 | 0.23 | 0.00 | 0.00 | 0.20 | 0.28 | 0.24 | 1.00 | a | |||||||||||
1992 | 0.22 | 0.29 | 0.70 | 0.38 | 0.18 | 0.51 | 0.03 | 0.00 | 0.00 | 0.50 | 0.36 | 1.40 | 1.40 | |||||||||||||
1993 | 2.68 | s | 0.46 | 0.63 | 0.38 | 0.47 | 0.75 | 0.35 | 0.10 | 0.14 | 0.42 | 0.24 | 0.33 | 2.68 | s | |||||||||||
1994 | 0.24 | 0.58 | a | 0.08 | 0.26 | 0.74 | 0.40 | 0.00 | 0.00 | 0.33 | 0.16 | 0.45 | b | 0.39 | a | 0.74 | d | |||||||||
1995 | 0.56 | 0.32 | a | 1.35 | a | 0.51 | g | 0.99 | a | 0.66 | i | 0.34 | e | 0.00 | 0.00 | 0.29 | a | 0.34 | e | 1.11 | h | ----- | z | |||
1996 | 1.16 | r | 1.07 | f | 0.15 | h | 0.57 | k | 0.47 | i | 0.91 | t | 0.00 | 0.00 | 0.97 | i | 0.76 | f | 0.53 | b | 1.07 | l | ----- | z | ||
1997 | 1.03 | i | 0.55 | i | 0.21 | m | 0.65 | f | 0.23 | c | 0.44 | s | ----- | z | 0.06 | d | 1.23 | u | 0.50 | h | 1.07 | g | 0.57 | k | ----- | z |
1998 | 1.21 | l | 0.61 | k | 0.74 | j | 0.58 | e | 1.27 | h | 0.90 | c | 0.39 | d | 0.05 | b | 0.67 | d | 0.28 | g | 0.79 | i | 0.84 | m | ----- | z |
1999 | 0.64 | g | 1.50 | p | 0.30 | n | 0.34 | g | 0.46 | i | 0.49 | e | 0.03 | d | 0.40 | v | 0.04 | a | 0.40 | g | 0.58 | e | 0.31 | i | ----- | z |
2000 | 2.10 | l | 0.43 | k | 0.94 | j | 2.04 | j | 0.54 | f | 0.08 | c | 0.28 | d | 0.08 | 1.04 | c | 0.70 | m | 0.23 | a | 0.00 | ----- | z | ||
2001 | 0.43 | h | 0.24 | i | 0.48 | h | 0.53 | q | 0.05 | b | 0.16 | b | 0.48 | b | 0.00 | 0.40 | h | 0.29 | 1.27 | m | 0.60 | n | ----- | z | ||
2002 | 1.11 | f | 0.62 | f | 0.53 | g | 0.82 | d | 0.05 | c | 0.00 | 0.00 | 0.02 | b | 0.18 | h | 0.03 | 0.53 | h | 1.10 | f | ----- | z | |||
2003 | 1.83 | j | 0.31 | e | 0.89 | d | 1.10 | g | ----- | z | 0.00 | 0.19 | h | 0.23 | b | 0.38 | a | 0.05 | c | 0.65 | e | 1.07 | h | ----- | z | |
2004 | 0.97 | k | 0.66 | g | 0.15 | 0.21 | b | 0.63 | d | 0.17 | 0.00 | ----- | z | 0.05 | a | 1.12 | e | 0.67 | c | 0.83 | ----- | z | ||||
2005 | 0.44 | e | 0.50 | j | 0.30 | e | 1.10 | k | 1.46 | l | 0.54 | j | 0.10 | b | 0.00 | 0.22 | b | 0.50 | g | 2.00 | k | 0.76 | k | ----- | z | |
2006 | 1.16 | l | 0.70 | b | 0.72 | h | 0.65 | k | 0.15 | l | 0.03 | f | 0.00 | 0.15 | f | 0.08 | c | 0.25 | g | 0.43 | t | 0.90 | j | ----- | z | |
2007 | 0.36 | c | 1.28 | t | 0.43 | v | 0.25 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.49 | 0.39 | 0.55 | 0.41 | 0.46 | 0.35 | 0.21 | 0.23 | 0.35 | 0.41 | 0.45 | 0.42 | 1.04 | |||||||||||||
S.D. | 0.30 | 0.24 | 0.32 | 0.31 | 0.30 | 0.27 | 0.30 | 0.36 | 0.32 | 0.28 | 0.19 | 0.31 | 0.26 | |||||||||||||
SKEW | 0.83 | 1.15 | 0.81 | 1.34 | 0.15 | 0.80 | 2.85 | 2.01 | 0.75 | 0.75 | 0.39 | 1.45 | 0.22 | |||||||||||||
MAX | 1.23 | 1.05 | 1.35 | 1.30 | 1.09 | 1.09 | 1.58 | 1.40 | 1.07 | 1.12 | 0.86 | 1.40 | 1.58 | |||||||||||||
MIN | 0.09 | 0.01 | 0.08 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.16 | 0.00 | 0.58 | |||||||||||||
YRS | 28 | 29 | 28 | 29 | 30 | 33 | 35 | 35 | 34 | 31 | 33 | 29 | 22 |