YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | t | 0.09 | 0.30 | 0.83 | 0.33 | ----- | z | ||||
1959 | 0.58 | 0.46 | 0.20 | 0.06 | 0.25 | 0.26 | 0.05 | 0.11 | 0.26 | 0.33 | 0.34 | 0.19 | 0.58 | |||||||||||||
1960 | 0.55 | a | 0.84 | 1.35 | a | 0.33 | 0.13 | 0.02 | 0.03 | 0.10 | 0.19 | 0.32 | 1.55 | 0.64 | 1.55 | b | ||||||||||
1961 | 0.18 | 1.52 | 0.21 | d | 0.31 | a | 0.19 | 0.37 | 0.02 | 0.02 | 0.27 | a | 1.27 | a | 2.33 | 0.54 | 2.33 | g | ||||||||
1962 | 0.60 | 0.57 | 0.46 | a | 0.36 | 0.45 | 0.04 | 0.01 | 0.25 | 0.35 | 0.57 | 0.34 | 1.24 | 1.24 | a | |||||||||||
1963 | 0.75 | 1.01 | 0.27 | 0.39 | 0.20 | 0.19 | 0.22 | 0.18 | 0.65 | 0.10 | 1.40 | 0.32 | 1.40 | |||||||||||||
1964 | 0.98 | 0.02 | 0.17 | 0.11 | 0.05 | 0.17 | 0.06 | 0.16 | 0.02 | 0.09 | 0.49 | 2.80 | 2.80 | |||||||||||||
1965 | 0.47 | 0.13 | 0.08 | 0.45 | 0.10 | 0.68 | 1.10 | 0.37 | 0.07 | 0.15 | 0.73 | 0.19 | 1.10 | |||||||||||||
1966 | 1.11 | 0.10 | 0.10 | 0.03 | 0.10 | 0.15 | 0.28 | 0.00 | 0.25 | 0.37 | 0.28 | 0.80 | 1.11 | |||||||||||||
1967 | 0.82 | 0.16 | 0.48 | 0.28 | 0.13 | 0.72 | 0.00 | 0.00 | 0.10 | 0.55 | 0.19 | 0.40 | 0.82 | |||||||||||||
1968 | 0.31 | 0.46 | 0.14 | 0.03 | 0.30 | 0.07 | 0.10 | 0.44 | 0.21 | 0.15 | 0.74 | 1.70 | k | 1.70 | k | |||||||||||
1969 | 0.05 | i | ----- | z | ----- | z | 0.10 | 0.24 | 1.15 | 0.19 | 0.00 | ----- | z | 0.14 | 0.20 | 0.73 | ----- | z | ||||||||
1970 | 0.98 | 0.60 | 0.27 | 0.09 | 0.13 | 0.18 | 0.53 | 0.00 | 0.08 | 0.34 | 1.03 | 0.38 | 1.03 | |||||||||||||
1971 | 1.44 | 0.80 | d | 0.42 | 0.09 | 0.71 | 0.23 | 0.11 | 0.10 | 0.39 | 0.17 | 0.90 | 0.70 | 1.44 | d | |||||||||||
1972 | 1.06 | 0.25 | 0.86 | b | 0.19 | 0.19 | a | 0.33 | 0.03 | 0.17 | 0.35 | 0.28 | 0.11 | 0.47 | 1.06 | c | ||||||||||
1973 | 0.25 | 0.28 | 0.16 | 0.06 | 0.25 | 0.05 | 0.11 | 0.08 | 0.45 | 0.56 | 1.19 | 0.60 | 1.19 | |||||||||||||
1974 | 0.64 | 0.53 | 0.69 | 0.60 | 0.05 | 0.02 | 0.08 | 0.07 | 0.00 | 0.40 | 0.40 | 0.36 | 0.69 | |||||||||||||
1975 | 0.61 | 0.73 | 0.86 | 0.04 | 0.08 | 0.58 | 0.38 | 0.31 | 0.00 | 0.38 | 0.53 | 0.81 | 0.86 | |||||||||||||
1976 | 0.56 | 0.46 | 0.27 | 0.22 | 0.06 | 0.29 | 0.41 | 0.66 | 0.30 | 0.32 | 0.38 | 0.12 | 0.66 | |||||||||||||
1977 | 0.25 | 0.17 | 0.25 | 0.00 | 0.23 | 0.43 | 0.00 | 0.20 | 0.31 | 0.41 | 1.10 | 0.96 | 1.10 | |||||||||||||
1978 | 0.41 | 0.39 | 0.75 | 1.25 | 0.07 | 0.31 | 0.58 | 0.30 | 0.23 | 0.20 | 1.00 | 0.56 | 1.25 | |||||||||||||
1979 | ----- | z | 1.06 | e | 0.52 | 0.22 | ----- | z | 0.05 | 0.00 | 0.45 | 0.22 | 1.25 | 0.06 | f | 0.35 | ----- | z | ||||||||
1980 | 1.75 | ----- | z | ----- | z | ----- | z | ----- | z | 0.40 | j | 0.11 | 0.00 | 0.45 | 0.41 | 1.49 | b | 1.30 | ----- | z | ||||||
1981 | 1.00 | a | 1.00 | c | 0.40 | 0.23 | 1.11 | 0.50 | 0.28 | 0.00 | 1.32 | 0.04 | 1.50 | c | 2.63 | f | 2.63 | m | ||||||||
1982 | 1.50 | f | 1.48 | 0.13 | b | 1.16 | g | 0.10 | c | 1.32 | 0.17 | 0.10 | 1.36 | 0.53 | 0.44 | d | 0.41 | c | 1.50 | y | ||||||
1983 | 0.42 | f | 1.20 | a | 0.94 | 0.67 | b | 0.13 | c | 0.02 | 0.20 | 0.18 | 0.15 | 0.16 | f | 0.57 | b | 1.00 | h | ----- | z | |||||
1984 | 1.00 | c | 1.60 | e | 0.22 | c | 0.30 | 0.11 | 0.39 | 0.00 | 0.08 | 0.44 | 3.00 | 1.94 | 0.27 | c | 3.00 | n | ||||||||
1985 | 0.09 | 0.35 | 0.21 | f | 0.19 | 0.36 | 0.36 | 0.08 | 0.04 | 0.42 | b | 0.55 | 0.25 | 0.55 | 0.55 | h | ||||||||||
1986 | 1.00 | b | 2.27 | a | 0.36 | 0.10 | 0.10 | 0.13 | 0.35 | 0.03 | 0.17 | b | 0.18 | 0.78 | c | 0.32 | f | 2.27 | n | |||||||
1987 | 1.42 | a | 1.69 | h | 0.12 | b | 0.05 | ----- | z | 0.00 | b | 1.25 | 0.02 | 0.09 | 0.00 | 0.31 | 1.41 | ----- | z | |||||||
1988 | 0.84 | h | 0.15 | b | 0.54 | 0.67 | 0.15 | b | 0.26 | b | 0.00 | 0.00 | 0.09 | a | 0.00 | 0.81 | a | 0.47 | a | 0.84 | q | |||||
1989 | 2.02 | 0.34 | 0.76 | 0.34 | 0.23 | 0.02 | 0.00 | 0.55 | 0.03 | 0.08 | 0.13 | a | 0.36 | 2.02 | a | |||||||||||
1990 | 1.63 | 0.17 | 0.12 | 1.52 | 0.58 | 0.19 | 0.17 | 0.31 | 0.05 | 0.23 | 0.19 | 0.24 | 1.63 | |||||||||||||
1991 | 0.52 | 0.15 | 0.45 | 0.22 | 0.72 | 0.47 | 0.21 | 0.61 | 0.00 | 0.41 | 0.65 | 0.45 | a | 0.72 | a | |||||||||||
1992 | 0.37 | 0.27 | 0.58 | 0.51 | 0.35 | ----- | z | 0.28 | 0.19 | 0.52 | 0.61 | 0.65 | 0.71 | d | ----- | z | ||||||||||
1993 | 0.73 | 0.48 | 0.30 | 0.22 | 0.70 | 0.23 | 0.19 | 0.64 | 0.00 | b | 0.17 | 0.21 | 0.44 | 0.73 | b | |||||||||||
1994 | 0.53 | a | 0.23 | 0.32 | 0.19 | 0.12 | 0.36 | 0.50 | 0.00 | 0.35 | 1.33 | 0.58 | a | 0.10 | 1.33 | b | ||||||||||
1995 | 1.41 | 0.77 | 0.16 | a | 0.50 | 0.41 | 0.76 | 1.25 | 0.06 | 0.09 | 0.16 | 1.00 | 0.63 | l | 1.41 | m | ||||||||||
1996 | 1.18 | i | 0.80 | a | 0.44 | 0.87 | a | 0.26 | a | 0.54 | 0.06 | 0.07 | 0.01 | a | 0.35 | b | 2.15 | 1.56 | c | 2.15 | r | |||||
1997 | 0.58 | a | 0.63 | 0.40 | a | 0.36 | 0.10 | 0.50 | b | 0.34 | 0.51 | 0.42 | 0.69 | 0.12 | 0.22 | 0.69 | d | |||||||||
1998 | 1.53 | b | 0.64 | c | 0.20 | b | 0.17 | 0.94 | a | 0.21 | 0.55 | 0.31 | 0.02 | 0.08 | 1.20 | b | 2.10 | a | 2.10 | k | ||||||
1999 | 0.51 | b | 0.70 | c | 0.28 | 0.02 | 0.08 | 0.05 | 0.00 | 0.70 | 0.00 | 0.70 | 2.00 | b | 0.35 | b | 2.00 | i | ||||||||
2000 | 0.52 | d | 0.60 | 0.10 | a | 0.30 | 0.18 | 0.09 | 0.03 | 0.00 | 0.16 | 0.17 | 0.30 | 0.48 | 0.60 | e | ||||||||||
2001 | 0.10 | b | 0.40 | 0.33 | 0.30 | a | 0.10 | 0.05 | b | 0.44 | 0.15 | 0.35 | 0.60 | 0.75 | 0.47 | d | 0.75 | i | ||||||||
2002 | 1.50 | e | 0.35 | a | 0.16 | a | 0.40 | f | 0.05 | 0.07 | 0.00 | 0.15 | 0.00 | 0.25 | ----- | z | 0.90 | c | ----- | z | ||||||
2003 | 0.42 | 0.16 | 0.97 | 0.16 | d | 0.59 | 0.04 | 0.00 | 0.50 | 0.21 | 0.00 | b | 0.42 | x | 1.46 | x | ----- | z | ||||||||
2004 | 0.19 | y | 0.82 | b | 0.00 | i | 0.30 | w | 0.43 | m | 0.53 | y | 0.40 | 1.20 | a | 0.12 | 0.37 | y | 0.17 | 1.07 | x | ----- | z | |||
2005 | 0.30 | c | 0.25 | 0.63 | 1.19 | b | 0.70 | a | 0.40 | ----- | z | 0.00 | 0.05 | 0.80 | 1.00 | v | 3.40 | i | ----- | z | ||||||
2006 | 0.74 | m | 0.13 | l | 0.20 | b | 0.70 | c | 0.15 | b | 0.33 | v | ----- | z | 0.07 | 0.19 | 0.22 | 0.65 | 0.89 | y | ----- | z | ||||
2007 | ----- | z | 0.12 | e | 0.17 | 0.31 | 0.19 | 0.22 | 0.58 | 0.19 | 0.42 | 1.80 | a | 1.83 | a | 0.77 | t | ----- | z | |||||||
2008 | 0.58 | b | 0.21 | c | 0.19 | a | 0.50 | b | ----- | z | ----- | z | 0.00 | 0.07 | 0.05 | 0.61 | 0.26 | a | 0.78 | d | ----- | z | ||||
2009 | 1.75 | b | 0.14 | d | 0.30 | b | 0.27 | 0.76 | 0.76 | 0.03 | 0.00 | 0.00 | 0.55 | 0.40 | 0.32 | 1.75 | h | |||||||||
2010 | 0.87 | b | 0.32 | 0.39 | c | 0.70 | e | 0.39 | 0.85 | 0.00 | 0.23 | 0.60 | 0.60 | b | 0.27 | 0.53 | h | 0.87 | t | |||||||
2011 | 0.37 | e | 1.00 | d | 0.18 | e | 0.07 | h | 0.61 | j | 0.46 | 0.73 | 0.12 | 0.00 | 0.13 | b | 0.37 | b | 1.26 | ----- | z | |||||
2012 | 1.35 | c | 0.25 | c | 0.65 | c | 0.20 | 0.42 | 0.19 | h | 0.32 | a | 0.20 | 0.09 | b | 1.04 | e | 1.00 | l | 0.55 | m | ----- | z | |||
2013 | 0.00 | 0.10 | a | 0.39 | 0.34 | a | 0.23 | d | 0.75 | 0.00 | 0.32 | 1.68 | a | 0.23 | p | 0.24 | 1.05 | a | 1.68 | x | ||||||
2014 | 0.63 | 2.00 | b | 0.61 | b | 0.15 | 0.75 | 0.15 | 0.55 | 0.10 | 0.31 | 0.45 | 1.00 | d | 1.87 | a | 2.00 | i | ||||||||
2015 | 0.15 | f | 0.36 | e | 0.50 | c | 0.19 | e | 0.55 | 0.03 | 0.02 | a | 0.25 | a | 0.20 | b | 0.32 | b | 0.80 | d | 0.90 | f | ----- | z | ||
2016 | 0.80 | c | 0.50 | 0.50 | c | 0.25 | a | 0.18 | 0.07 | 0.06 | a | 0.00 | 0.00 | 0.45 | b | 0.20 | d | 0.85 | h | 0.85 | v | |||||
2017 | 1.50 | e | 0.50 | b | 0.60 | 0.12 | c | 0.04 | b | 0.03 | 0.00 | 0.00 | 0.75 | a | 0.80 | a | 0.14 | c | 0.06 | c | 1.50 | t | ||||
2018 | 0.25 | c | 0.25 | c | 0.06 | b | 0.15 | b | 0.09 | b | 0.45 | a | 0.00 | 0.15 | 0.00 | 0.25 | c | 0.36 | a | 0.85 | k | ----- | z | |||
2019 | ----- | z | 0.00 | f | 2.00 | h | 1.62 | g | 0.23 | o | 0.90 | e | 0.02 | 0.31 | 0.41 | 0.01 | 1.20 | 0.90 | ----- | z | ||||||
2020 | 0.51 | a | 0.13 | 0.47 | 0.26 | w | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.27 | a | 0.03 | b | 0.15 | 0.00 | a | 0.45 | a | 0.93 | b | ----- | z | ----- | z | |
2022 | 0.00 | k | 0.00 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2024 | 1.54 | k | 0.32 | t | 0.00 | m | 0.00 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.79 | 0.57 | 0.40 | 0.33 | 0.29 | 0.32 | 0.22 | 0.20 | 0.26 | 0.46 | 0.74 | 0.69 | 1.17 | |||||||||||||
S.D. | 0.50 | 0.48 | 0.27 | 0.31 | 0.26 | 0.30 | 0.30 | 0.23 | 0.33 | 0.49 | 0.56 | 0.55 | 0.51 | |||||||||||||
SKEW | 0.66 | 1.60 | 1.21 | 1.93 | 1.32 | 1.25 | 1.90 | 1.88 | 2.44 | 2.94 | 1.07 | 1.79 | 1.53 | |||||||||||||
MAX | 2.02 | 2.27 | 1.35 | 1.52 | 1.11 | 1.32 | 1.25 | 1.20 | 1.68 | 3.00 | 2.33 | 2.80 | 2.80 | |||||||||||||
MIN | 0.00 | 0.02 | 0.06 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | 0.06 | 0.58 | |||||||||||||
YRS | 51 | 57 | 57 | 55 | 54 | 56 | 60 | 62 | 62 | 60 | 58 | 47 | 23 |