YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.45 | ----- | z | |
1972 | 0.44 | 0.38 | 0.79 | 0.94 | 1.25 | 0.81 | 1.26 | 2.90 | 1.82 | 0.55 | 0.78 | 0.55 | 2.90 | |||||||||||||
1973 | 0.42 | 0.49 | 1.80 | 0.88 | 1.68 | 0.75 | 1.49 | 0.98 | 0.67 | 0.90 | 0.40 | 0.39 | 1.80 | |||||||||||||
1974 | 0.34 | 0.23 | 0.11 | 0.70 | 1.05 | 1.21 | 0.60 | 1.89 | 1.10 | 0.87 | 1.00 | 0.23 | 1.89 | |||||||||||||
1975 | 0.50 | 0.33 | 0.61 | 1.10 | 0.52 | 0.92 | 0.32 | 1.09 | 0.87 | 1.00 | 2.00 | 0.77 | 2.00 | |||||||||||||
1976 | 0.37 | 0.60 | 0.76 | 0.62 | 0.58 | 1.17 | 0.67 | 1.60 | 0.39 | 0.18 | 0.24 | 0.16 | 1.60 | |||||||||||||
1977 | 0.14 | 0.14 | 0.78 | 0.94 | 0.43 | 0.51 | 0.87 | 2.94 | 0.93 | a | 0.70 | 0.67 | 0.37 | 2.94 | a | |||||||||||
1978 | 0.28 | 0.19 | 0.10 | 0.44 | 1.18 | 0.90 | 0.98 | 2.88 | 1.22 | 0.45 | 0.65 | 0.31 | 2.88 | |||||||||||||
1979 | 0.40 | 0.63 | 0.88 | 0.27 | 0.90 | 1.55 | 0.85 | 0.61 | 0.89 | 1.76 | 0.59 | 0.45 | 1.76 | |||||||||||||
1980 | 0.72 | 0.12 | 0.13 | a | 0.42 | 0.80 | 0.83 | 1.32 | 1.84 | 2.07 | 0.63 | 0.30 | 0.44 | 2.07 | a | |||||||||||
1981 | 0.16 | 0.79 | 0.22 | 1.80 | 1.50 | 3.98 | 0.91 | 0.87 | 0.53 | 1.00 | 0.17 | 0.34 | 3.98 | |||||||||||||
1982 | 0.75 | 0.13 | 0.40 | 0.76 | 1.00 | 0.59 | 1.69 | 1.00 | 1.04 | 1.41 | 0.97 | b | 0.88 | 1.69 | b | |||||||||||
1983 | 0.60 | 0.39 | 0.40 | 0.38 | 1.56 | 1.12 | 1.15 | 3.47 | 3.51 | 1.24 | 0.89 | 0.35 | 3.51 | |||||||||||||
1984 | 0.17 | 0.86 | 0.45 | 1.55 | 0.43 | 0.78 | 0.86 | 1.37 | 1.98 | 0.82 | 0.34 | 0.69 | 1.98 | |||||||||||||
1985 | 0.13 | 0.24 | 0.72 | 0.86 | 1.39 | 0.88 | 1.48 | 1.94 | 1.39 | 1.42 | 1.27 | 0.43 | 1.94 | |||||||||||||
1986 | 0.24 | 0.25 | 0.38 | 0.49 | 0.07 | 1.12 | 1.10 | 1.18 | 1.08 | 1.48 | 0.32 | 0.30 | 1.48 | |||||||||||||
1987 | 0.55 | 0.07 | 0.43 | 0.51 | 0.72 | 0.66 | 1.29 | 0.39 | 0.33 | 1.12 | 0.61 | 0.37 | 1.29 | |||||||||||||
1988 | 0.27 | 0.11 | 1.10 | 0.45 | 0.53 | 0.75 | 1.61 | 1.53 | 1.56 | 0.48 | 1.62 | 0.51 | 1.62 | |||||||||||||
1989 | 0.35 | 0.15 | 0.76 | 0.25 | 1.22 | 1.08 | 0.27 | 1.51 | 1.19 | 0.52 | 0.34 | 0.35 | 1.51 | |||||||||||||
1990 | 0.33 | 0.37 | 0.78 | 0.42 | 1.16 | 0.91 | 1.40 | 0.72 | 2.00 | 1.83 | 0.43 | 0.30 | b | 2.00 | b | |||||||||||
1991 | 0.28 | a | ----- | z | ----- | z | 1.47 | 1.54 | 1.21 | a | 0.89 | 1.64 | 1.10 | 0.46 | 1.03 | 0.51 | ----- | z | ||||||||
1992 | 0.33 | 0.54 | 0.52 | 0.54 | 1.21 | 0.59 | 0.51 | 0.58 | 1.24 | 0.53 | 1.26 | 0.56 | 1.26 | |||||||||||||
1993 | 0.29 | 0.09 | 0.18 | 0.83 | 0.82 | 0.98 | 0.45 | 0.85 | 1.63 | 0.66 | a | 0.52 | 0.27 | 1.63 | a | |||||||||||
1994 | 0.32 | 0.28 | 0.42 | 0.48 | 0.67 | 1.08 | 1.59 | 0.46 | 2.46 | 0.85 | 0.82 | 0.08 | 2.46 | |||||||||||||
1995 | 0.24 | 0.30 | 0.35 | 0.57 | 1.10 | 0.96 | 0.88 | 1.91 | 0.62 | 0.90 | 0.42 | 0.74 | 1.91 | |||||||||||||
1996 | 0.97 | 0.73 | 1.06 | 0.61 | 0.35 | 1.02 | 1.45 | 2.21 | 1.14 | 1.42 | a | 2.45 | 0.88 | 2.45 | a | |||||||||||
1997 | 0.93 | 0.88 | 1.21 | 0.26 | 0.63 | 1.03 | 1.33 | 0.80 | 0.69 | 1.30 | 0.70 | 1.00 | a | 1.33 | a | |||||||||||
1998 | 0.36 | 0.68 | 0.87 | 0.31 | 0.79 | 1.60 | 0.53 | 1.20 | 0.40 | 0.29 | 0.53 | 0.36 | 1.60 | |||||||||||||
1999 | 0.56 | 1.06 | 0.09 | 0.59 | 2.37 | 1.35 | 2.09 | 1.61 | 0.61 | 0.72 | 1.12 | 0.22 | 2.37 | |||||||||||||
2000 | 0.60 | 0.61 | 0.63 | 0.51 | 0.46 | 2.32 | 2.65 | 0.63 | a | 0.80 | 0.38 | 0.60 | 0.27 | 2.65 | a | |||||||||||
2001 | 0.35 | 0.38 | 0.65 | 1.19 | 0.82 | 1.39 | 1.22 | 0.84 | 2.58 | c | 0.72 | 0.71 | 0.50 | 2.58 | c | |||||||||||
2002 | 0.11 | 0.69 | 0.99 | 1.09 | 0.61 | 0.94 | 1.93 | 1.24 | 1.24 | 1.28 | 0.24 | 0.50 | 1.93 | |||||||||||||
2003 | 0.22 | 1.00 | 0.79 | 1.10 | 1.52 | 0.49 | 0.66 | 0.46 | 1.04 | 0.46 | 1.10 | 0.33 | 1.52 | |||||||||||||
2004 | 0.76 | 0.51 | 0.92 | 1.42 | 0.96 | 0.38 | 0.59 | 0.89 | c | 1.04 | 1.31 | ----- | z | 0.58 | ----- | z | ||||||||||
2005 | 0.43 | 0.35 | 1.14 | 0.43 | 0.41 | 1.13 | 1.35 | 0.58 | 0.69 | 5.59 | 0.55 | 0.63 | 5.59 | |||||||||||||
2006 | 0.58 | 0.37 | 0.60 | b | 0.34 | 1.52 | a | 1.17 | 2.06 | c | 0.90 | 0.37 | 0.81 | 0.74 | 1.15 | 2.06 | f | |||||||||
2007 | 0.68 | 0.21 | 0.47 | 0.60 | 1.34 | 0.65 | 0.92 | a | 0.58 | 1.41 | 1.85 | 0.26 | 0.98 | 1.85 | a | |||||||||||
2008 | 0.54 | 0.48 | b | 0.52 | f | 0.63 | a | 1.62 | 0.45 | 1.53 | e | 0.82 | d | 1.77 | 0.53 | 0.61 | d | 0.38 | c | 1.77 | y | |||||
2009 | 0.86 | 0.39 | a | 0.63 | 0.80 | b | 0.69 | 0.76 | 1.05 | 0.66 | 0.32 | 1.47 | c | 0.10 | c | 0.41 | h | 1.47 | q | |||||||
2010 | 0.85 | 0.27 | 0.39 | 0.36 | a | 0.69 | 2.53 | 2.24 | b | 1.73 | 2.71 | 0.53 | 0.49 | ----- | z | ----- | z | |||||||||
2011 | 0.03 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.35 | 0.44 | ----- | z | ||
2012 | 0.35 | 0.59 | 0.34 | 0.49 | a | 1.22 | 2.90 | h | 1.48 | i | 0.71 | h | 0.43 | 2.53 | e | 0.98 | 0.29 | a | ----- | z | ||||||
2013 | 0.41 | 0.40 | 0.51 | 0.94 | 0.56 | 2.06 | j | 1.34 | j | 1.34 | i | 0.41 | 0.97 | h | 0.63 | 0.60 | a | ----- | z | |||||||
2014 | 0.38 | 0.48 | 0.40 | 1.15 | 1.34 | 1.63 | h | 0.51 | i | 1.22 | i | 1.86 | 1.07 | h | 0.84 | 0.45 | ----- | z | ||||||||
2015 | 0.18 | 0.10 | 0.21 | 0.55 | 0.82 | 1.46 | h | 1.56 | i | 1.59 | i | 1.67 | 0.86 | h | 1.44 | 1.20 | ----- | z | ||||||||
2016 | 0.31 | 0.29 | 1.35 | 0.60 | 1.15 | 2.25 | h | 1.96 | j | 7.35 | i | 1.96 | 2.22 | f | 0.98 | 0.60 | ----- | z | ||||||||
2017 | 0.68 | 0.78 | 0.24 | 1.27 | 2.92 | 3.63 | j | 0.59 | f | 1.63 | i | 0.97 | 1.93 | f | 0.20 | 0.78 | ----- | z | ||||||||
2018 | 0.70 | 0.45 | a | 0.55 | c | 0.56 | a | 1.48 | 8.24 | i | 2.14 | h | 0.98 | i | 1.95 | 1.65 | h | 0.49 | 0.53 | ----- | z | |||||
2019 | 0.34 | 1.07 | 0.43 | 1.13 | 1.57 | 0.58 | 2.68 | i | 1.27 | 1.26 | 1.23 | f | 1.66 | 1.10 | a | 2.68 | p | |||||||||
2020 | 0.79 | 0.14 | 0.67 | 1.42 | 0.59 | 3.02 | 1.23 | g | 1.35 | b | 1.53 | 1.40 | i | 0.89 | 0.25 | a | 3.02 | s | ||||||||
2021 | 0.13 | 0.70 | 0.54 | 1.05 | 0.53 | b | 2.92 | 0.84 | h | 1.96 | b | 1.30 | 0.60 | f | 0.38 | a | 0.77 | g | ----- | z | ||||||
2022 | 0.19 | 0.46 | 0.93 | c | 1.80 | 1.32 | 0.97 | 1.25 | 1.42 | b | 0.59 | a | 0.49 | g | 1.22 | c | 0.90 | 1.80 | p | |||||||
2023 | 0.64 | 0.51 | 0.78 | 2.02 | 0.48 | 1.02 | 1.07 | 1.12 | a | 1.15 | c | 2.26 | f | 0.27 | a | 0.34 | 2.26 | k | ||||||||
2024 | 0.20 | a | 0.17 | d | 0.97 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.44 | 0.44 | 0.63 | 0.80 | 1.02 | 1.16 | 1.18 | 1.33 | 1.25 | 1.07 | 0.75 | 0.52 | 2.18 | |||||||||||||
S.D. | 0.23 | 0.26 | 0.35 | 0.44 | 0.53 | 0.73 | 0.54 | 0.73 | 0.69 | 0.89 | 0.48 | 0.27 | 0.88 | |||||||||||||
SKEW | 0.60 | 0.65 | 0.80 | 0.96 | 1.06 | 2.16 | 0.57 | 1.09 | 0.94 | 3.42 | 1.34 | 0.91 | 2.08 | |||||||||||||
MAX | 0.97 | 1.07 | 1.80 | 2.02 | 2.92 | 3.98 | 2.65 | 3.47 | 3.51 | 5.59 | 2.45 | 1.20 | 5.59 | |||||||||||||
MIN | 0.11 | 0.07 | 0.09 | 0.25 | 0.07 | 0.38 | 0.27 | 0.39 | 0.32 | 0.18 | 0.10 | 0.08 | 1.26 | |||||||||||||
YRS | 52 | 51 | 50 | 51 | 51 | 44 | 41 | 44 | 51 | 40 | 51 | 50 | 33 |