YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.77 | 0.37 | 0.96 | ----- | z | |||
1963 | 0.35 | 0.35 | 0.20 | 0.30 | 0.36 | 0.11 | 0.27 | 0.53 | 0.26 | 0.34 | 0.62 | 0.50 | 0.62 | |||||||||||||
1964 | 0.35 | 0.00 | 0.13 | 0.20 | 0.03 | 0.25 | 0.50 | 0.17 | 0.13 | 0.40 | 0.73 | 1.07 | 1.07 | |||||||||||||
1965 | 0.52 | 0.18 | 0.07 | 0.40 | 0.53 | 0.54 | 0.33 | 0.52 | 0.12 | 0.13 | 0.40 | 0.15 | 0.54 | |||||||||||||
1966 | 0.64 | 0.14 | 0.60 | 0.10 | 0.23 | 0.50 | 0.74 | 0.06 | 0.06 | 0.33 | 0.55 | 1.13 | 1.13 | |||||||||||||
1967 | 0.41 | 0.14 | 0.70 | 0.20 | 0.55 | 0.54 | 0.02 | 0.00 | 0.35 | 0.26 | 0.20 | 0.27 | 0.70 | |||||||||||||
1968 | 0.20 | 0.63 | 0.39 | 0.07 | 0.19 | 0.31 | 0.20 | 0.20 | 0.33 | 0.47 | 0.62 | 0.50 | 0.63 | |||||||||||||
1969 | 1.10 | 0.21 | 0.24 | 1.05 | 0.55 | 0.35 | 0.02 | 0.00 | 0.24 | 0.39 | 0.40 | 0.58 | 1.10 | |||||||||||||
1970 | 0.77 | 0.75 | 0.40 | 0.55 | 0.37 | 0.38 | 0.10 | 0.01 | 0.63 | 0.44 | 0.47 | 0.20 | 0.77 | |||||||||||||
1971 | 0.22 | 0.27 | 0.34 | 0.27 | 0.46 | 1.24 | 0.56 | 0.39 | 0.65 | 0.32 | 0.61 | 1.10 | 1.24 | |||||||||||||
1972 | 0.40 | 0.24 | 0.90 | 0.18 | 0.94 | 0.30 | 0.65 | 0.07 | 0.01 | 0.50 | 0.33 | 0.38 | 0.94 | |||||||||||||
1973 | 0.23 | 0.85 | 0.39 | 0.18 | 0.40 | 0.13 | 0.10 | 0.01 | 0.40 | 0.33 | 0.80 | 0.76 | 0.85 | |||||||||||||
1974 | 0.22 | 0.20 | 0.28 | 0.70 | 0.08 | 0.42 | 0.68 | 0.00 | 0.00 | 0.38 | 0.44 | 0.24 | 0.70 | |||||||||||||
1975 | 0.92 | 0.30 | 0.24 | 0.43 | 0.36 | 0.35 | 0.27 | 0.49 | 0.00 | 0.51 | 0.62 | 0.53 | 0.92 | |||||||||||||
1976 | 0.47 | 0.26 | 0.43 | 0.58 | 0.26 | 0.11 | 0.09 | 0.18 | 0.03 | 0.24 | 0.66 | 0.31 | 0.66 | |||||||||||||
1977 | 0.20 | 0.26 | 0.46 | 0.06 | 0.16 | 0.23 | 0.33 | 1.30 | 0.33 | 0.13 | 0.27 | 0.69 | 1.30 | |||||||||||||
1978 | 0.38 | 0.18 | 0.26 | 0.70 | 0.27 | 0.20 | 0.31 | 1.02 | 0.59 | 0.01 | 0.55 | 0.86 | 1.02 | |||||||||||||
1979 | 0.27 | 0.20 | 0.37 | 0.42 | 0.21 | 0.09 | 0.06 | 0.43 | 0.29 | 1.03 | 0.50 | 0.24 | 1.03 | |||||||||||||
1980 | 0.68 | 0.23 | 0.49 | 0.63 | 0.58 | 0.34 | 0.18 | 0.19 | 0.79 | 1.42 | 0.37 | 0.82 | 1.42 | |||||||||||||
1981 | 0.32 | 0.67 | 0.41 | 0.34 | 0.77 | 0.71 | 0.33 | 0.03 | 0.75 | 0.39 | 0.96 | 0.34 | 0.96 | |||||||||||||
1982 | 0.28 | 0.26 | 0.45 | 0.38 | 0.23 | 0.30 | 0.36 | 0.13 | 0.48 | 1.50 | 0.19 | 0.60 | 1.50 | |||||||||||||
1983 | 0.48 | 0.51 | 0.56 | 0.47 | 0.24 | 0.73 | 0.54 | 0.34 | 0.34 | 0.35 | 0.44 | a | 0.54 | 0.73 | a | |||||||||||
1984 | 0.22 | a | 0.49 | 0.68 | 0.46 | 0.50 | 0.35 | 0.03 | 0.20 | 0.35 | 0.46 | 0.95 | 0.39 | a | 0.95 | b | ||||||||||
1985 | 0.51 | a | 0.77 | 0.32 | 0.24 | 0.27 | 0.18 | 0.16 | 0.40 | 0.30 | 0.65 | 0.52 | a | 0.43 | 0.77 | b | ||||||||||
1986 | 0.41 | 0.62 | 0.24 | 0.22 | 0.75 | 0.07 | 0.46 | 0.07 | 0.36 | 0.50 | 0.97 | 0.24 | 0.97 | |||||||||||||
1987 | 0.20 | 0.22 | 0.15 | 0.34 | 0.60 | 0.18 | 0.29 | 0.12 | 0.02 | 0.01 | 0.27 | 0.30 | a | 0.60 | a | |||||||||||
1988 | 0.37 | 0.35 | 0.35 | 1.05 | 0.83 | 0.12 | 0.10 | 0.00 | 0.25 | 0.04 | 0.35 | 0.21 | 1.05 | |||||||||||||
1989 | 0.72 | a | 0.57 | 0.52 | 0.71 | 1.10 | 0.19 | 0.04 | 0.26 | 0.17 | 0.18 | 0.43 | 0.56 | a | 1.10 | b | ||||||||||
1990 | 0.17 | 0.12 | b | 0.39 | 1.40 | 1.20 | 0.28 | 0.08 | 1.06 | 0.04 | 0.52 | 0.30 | 0.38 | 1.40 | b | |||||||||||
1991 | 0.40 | 0.17 | 0.43 | 0.25 | 1.07 | 1.09 | 0.28 | 0.12 | 0.00 | 0.37 | 0.41 | 0.35 | 1.09 | |||||||||||||
1992 | 0.28 | 0.30 | 0.10 | 0.38 | 0.25 | 0.39 | 0.61 | 0.74 | 0.73 | 0.35 | 0.32 | 0.33 | 0.74 | |||||||||||||
1993 | 0.21 | 0.49 | 0.24 | 0.51 | 0.79 | 0.73 | 0.66 | 1.30 | 0.00 | 0.10 | 0.14 | 0.39 | 1.30 | |||||||||||||
1994 | 1.24 | 1.05 | 0.15 | 0.43 | 0.55 | 0.25 | 0.21 | 0.00 | 0.18 | 0.68 | 1.27 | 0.53 | 1.27 | |||||||||||||
1995 | 0.75 | 0.42 | 0.86 | 1.10 | 0.27 | 0.50 | 0.25 | 0.59 | 0.55 | 0.77 | 0.72 | 0.62 | g | 1.10 | g | |||||||||||
1996 | 0.59 | b | 0.50 | 0.21 | 0.63 | 0.44 | 0.62 | 0.01 | 0.05 | 0.32 | 0.49 | 1.90 | 1.00 | a | 1.90 | c | ||||||||||
1997 | 0.74 | a | 0.55 | 0.46 | a | 0.63 | 0.20 | 0.55 | 0.39 | 0.00 | 0.82 | 0.53 | 0.60 | 0.34 | 0.82 | b | ||||||||||
1998 | 0.47 | 0.33 | 0.30 | 0.60 | 0.58 | 0.19 | ----- | z | 0.11 | 0.16 | 0.23 | 0.45 | a | 0.42 | ----- | z | ||||||||||
1999 | 0.19 | 0.20 | 0.28 | 0.15 | 0.85 | 0.19 | 0.01 | 0.25 | 0.00 | 0.40 | 0.35 | a | 0.30 | b | 0.85 | c | ||||||||||
2000 | 0.40 | a | 0.60 | 0.67 | 0.24 | 1.52 | 0.44 | 0.26 | 0.00 | 0.39 | 0.61 | 0.82 | a | 0.23 | 1.52 | b | ||||||||||
2001 | 0.33 | 0.40 | 0.43 | 0.70 | 0.33 | 0.60 | 0.13 | 0.01 | 0.17 | 0.57 | 0.66 | a | 0.35 | a | 0.70 | b | ||||||||||
2002 | 0.23 | a | 0.41 | 0.41 | 0.43 | 0.52 | 0.76 | 0.30 | 0.00 | 0.14 | 0.13 | 0.23 | a | 0.75 | a | 0.76 | c | |||||||||
2003 | 0.68 | a | 0.85 | 0.43 | 0.51 | 0.28 | 0.00 | 0.00 | 0.06 | 0.62 | 0.14 | 0.64 | 0.94 | 0.94 | a | |||||||||||
2004 | 0.93 | a | 0.60 | 0.23 | 0.28 | 0.29 | 0.82 | 0.12 | 0.41 | 0.12 | 0.31 | 0.68 | 0.22 | a | 0.93 | b | ||||||||||
2005 | 0.17 | a | 0.05 | 0.32 | 0.50 | 0.29 | 0.25 | 0.11 | 0.01 | 0.04 | 0.50 | 0.29 | a | 0.74 | a | 0.74 | c | |||||||||
2006 | 0.62 | a | 0.33 | 0.57 | 0.68 | 0.75 | 0.49 | 0.04 | 0.00 | 0.47 | 0.30 | 0.32 | a | 0.86 | a | 0.86 | c | |||||||||
2007 | 0.59 | a | 0.24 | 0.48 | 0.32 | 0.30 | 0.42 | 0.26 | 0.34 | 0.18 | 0.28 | 0.53 | a | 0.63 | b | 0.63 | d | |||||||||
2008 | 1.04 | a | 0.15 | 0.29 | 0.16 | 0.32 | 0.26 | 0.37 | 0.14 | 0.18 | 0.32 | 0.70 | a | 0.55 | a | 1.04 | c | |||||||||
2009 | 1.20 | a | 0.35 | 1.05 | 0.54 | 0.31 | 0.42 | 0.12 | 0.90 | 0.00 | 0.92 | 0.25 | a | 0.49 | 1.20 | b | ||||||||||
2010 | 0.55 | a | 0.16 | 0.30 | 0.36 | 0.62 | 0.71 | 0.09 | 0.08 | 0.60 | 0.51 | 0.33 | 1.17 | 1.17 | a | |||||||||||
2011 | 0.57 | a | 0.66 | 0.38 | d | 0.56 | 0.87 | d | 0.71 | 0.02 | 0.00 | 0.04 | 0.20 | f | 0.13 | a | 0.10 | 0.87 | p | |||||||
2012 | 0.57 | a | 0.37 | 0.71 | 0.62 | 0.35 | 0.58 | e | 0.08 | e | 0.01 | 0.00 | a | 0.58 | 0.37 | a | 0.53 | d | 0.71 | q | ||||||
2013 | 0.47 | 0.08 | d | 0.23 | a | 0.26 | a | 0.66 | a | 0.51 | 0.00 | c | 0.13 | c | 0.40 | 0.24 | p | 0.39 | a | 0.45 | ----- | z | ||||
2014 | 0.45 | b | 0.32 | b | 0.35 | j | 0.52 | 0.44 | a | 0.33 | a | 0.14 | 0.23 | 0.13 | 0.17 | a | 0.34 | 0.79 | a | 0.79 | r | |||||
2015 | 0.48 | a | 0.50 | j | 0.25 | j | 0.14 | 1.16 | 0.12 | 0.00 | 0.05 | 0.43 | f | 0.28 | j | 0.57 | a | 0.65 | a | ----- | z | |||||
2016 | 0.81 | b | 0.28 | a | 0.42 | 0.18 | 0.80 | 0.27 | 0.77 | 0.05 | 0.25 | 0.64 | a | 0.21 | 0.56 | c | 0.81 | g | ||||||||
2017 | 0.75 | b | 0.56 | a | 0.35 | 0.24 | h | 0.31 | 0.32 | 0.02 | 0.02 | 0.26 | 0.61 | a | 0.51 | 0.69 | a | 0.75 | m | |||||||
2018 | 0.35 | b | 0.35 | a | 0.42 | a | 0.56 | 0.52 | 0.14 | 0.00 | 0.11 | a | 0.00 | 0.63 | b | 0.31 | a | 0.19 | i | 0.63 | q | |||||
2019 | ----- | z | 0.40 | a | 0.43 | a | 0.61 | 0.71 | 0.12 | 0.05 | 0.42 | 1.00 | b | 0.48 | a | 0.08 | a | 0.20 | d | ----- | z | |||||
2020 | 0.49 | j | 0.54 | h | 0.34 | n | 0.09 | s | 1.20 | j | 0.68 | f | 0.05 | g | 0.04 | h | 0.17 | h | 0.43 | i | 0.98 | o | 0.56 | i | ----- | z |
2021 | 0.25 | j | 1.10 | i | 0.12 | i | 0.11 | b | 0.25 | b | 0.20 | b | 0.01 | a | 0.04 | 0.31 | h | 0.67 | g | 0.75 | f | 1.11 | f | ----- | z | |
2022 | 0.56 | f | 0.20 | d | 0.30 | f | 0.75 | e | 0.65 | f | 1.21 | f | 0.11 | i | 0.32 | f | 0.10 | h | 1.33 | j | 0.88 | q | 0.59 | j | ----- | z |
2023 | 0.12 | g | 0.29 | j | 0.26 | d | 0.38 | f | 0.35 | e | 0.01 | g | 0.00 | c | 0.37 | d | 0.49 | a | 0.44 | e | 1.06 | e | 0.77 | f | ----- | z |
2024 | 0.40 | f | 0.28 | g | 0.39 | k | 0.15 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.50 | 0.37 | 0.40 | 0.45 | 0.51 | 0.39 | 0.23 | 0.25 | 0.29 | 0.45 | 0.52 | 0.53 | 0.98 | |||||||||||||
S.D. | 0.27 | 0.22 | 0.20 | 0.27 | 0.31 | 0.25 | 0.22 | 0.32 | 0.25 | 0.29 | 0.30 | 0.28 | 0.29 | |||||||||||||
SKEW | 0.95 | 0.85 | 1.10 | 1.08 | 1.07 | 1.11 | 0.95 | 1.79 | 0.78 | 1.51 | 1.94 | 0.64 | 0.84 | |||||||||||||
MAX | 1.24 | 1.05 | 1.05 | 1.40 | 1.52 | 1.24 | 0.77 | 1.30 | 1.00 | 1.50 | 1.90 | 1.17 | 1.90 | |||||||||||||
MIN | 0.17 | 0.00 | 0.07 | 0.06 | 0.03 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.08 | 0.10 | 0.54 | |||||||||||||
YRS | 56 | 57 | 56 | 58 | 59 | 58 | 58 | 59 | 57 | 56 | 59 | 56 | 46 |