YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1982 | ----- | z | ----- | z | 0.64 | 0.62 | 0.23 | 0.32 | 0.28 | 0.26 | 0.61 | 0.91 | 1.23 | 1.62 | ----- | z | ||||||||||
1983 | 1.63 | 0.69 | 0.54 | 0.42 | 0.32 | 0.71 | 0.75 | 1.48 | 0.66 | 0.33 | 1.61 | 1.00 | 1.63 | |||||||||||||
1984 | 1.50 | 0.65 | 0.60 | 0.70 | 0.72 | 1.10 | 0.00 | 0.13 | 0.20 | 1.16 | 1.30 | 1.00 | 1.50 | |||||||||||||
1985 | 0.29 | 0.63 | 0.78 | 0.40 | 0.32 | 1.09 | 0.04 | 0.65 | 0.34 | 1.04 | 0.34 | 0.65 | 1.09 | |||||||||||||
1986 | 2.00 | 0.91 | 0.42 | 0.43 | 0.74 | 0.40 | 0.50 | 0.23 | 0.59 | 1.98 | 2.30 | 0.95 | 2.30 | |||||||||||||
1987 | 0.74 | 1.90 | 1.32 | 0.64 | 1.25 | 0.30 | 0.44 | 0.29 | 0.44 | 0.28 | 1.02 | 1.20 | 1.90 | |||||||||||||
1988 | 1.25 | 0.35 | 1.22 | 0.97 | 0.91 | 0.55 | 0.35 | 0.20 | 0.50 | 1.00 | 1.10 | 1.20 | 1.25 | |||||||||||||
1989 | 0.37 | 0.63 | 0.67 | 0.74 | 0.59 | 0.44 | 0.51 | 0.29 | 0.09 | 0.55 | 1.10 | 2.14 | 2.14 | |||||||||||||
1990 | 3.66 | 1.03 | 0.63 | 0.32 | 1.17 | 0.45 | 0.21 | 0.32 | 0.00 | 0.92 | 3.80 | 1.01 | 3.80 | |||||||||||||
1991 | 0.92 | 2.08 | 0.91 | 2.49 | 0.50 | 0.61 | 0.21 | 0.79 | 0.08 | 0.50 | 0.57 | 0.82 | 2.49 | |||||||||||||
1992 | 1.11 | 0.70 | 0.27 | 1.42 | 0.04 | 0.85 | 0.55 | 0.66 | 0.66 | 0.40 | 1.08 | 1.12 | 1.42 | |||||||||||||
1993 | 1.35 | 0.14 | 1.09 | 0.52 | 0.73 | 0.76 | 0.28 | 0.06 | 0.00 | 0.81 | 0.60 | 1.15 | 1.35 | |||||||||||||
1994 | 0.65 | 0.98 | 0.97 | 0.67 | 0.50 | 0.39 | 0.16 | 0.18 | 0.62 | 1.47 | 1.54 | 1.36 | 1.54 | |||||||||||||
1995 | 0.87 | 1.90 | 0.60 | 0.36 | 0.48 | 0.26 | 0.85 | 0.68 | 0.81 | 1.25 | 2.29 | 0.90 | 2.29 | |||||||||||||
1996 | 1.18 | 2.95 | 0.37 | 2.25 | 0.74 | ----- | z | 0.19 | 0.27 | 0.38 | 0.84 | 1.14 | 2.00 | ----- | z | |||||||||||
1997 | 1.38 | 0.84 | 1.03 | ----- | z | ----- | z | 0.61 | 0.58 | 0.42 | 0.45 | 1.37 | 0.52 | 1.69 | ----- | z | ||||||||||
1998 | 0.92 | 0.50 | 0.80 | 0.31 | 0.72 | 0.34 | ----- | z | 0.00 | 0.14 | ----- | z | 2.63 | 1.24 | ----- | z | ||||||||||
1999 | 1.63 | 1.07 | 0.74 | 0.42 | 0.58 | 1.17 | 0.56 | 0.10 | 0.13 | 0.82 | 2.37 | 1.51 | 2.37 | |||||||||||||
2000 | 0.50 | 1.50 | ----- | z | 0.38 | 0.52 | 0.61 | 0.68 | ----- | z | 0.27 | ----- | z | 1.01 | 0.43 | k | ----- | z | ||||||||
2001 | 0.62 | 0.64 | 0.40 | 0.87 | 0.59 | 1.49 | 0.20 | 1.04 | 0.43 | 0.83 | 4.20 | 1.54 | 4.20 | |||||||||||||
2002 | ----- | z | 0.78 | 0.99 | 1.25 | 0.26 | 0.48 | 0.26 | 0.03 | 0.15 | 0.35 | 0.55 | 0.86 | ----- | z | |||||||||||
2003 | 1.30 | 0.49 | 0.82 | 0.62 | 0.13 | 0.22 | 0.13 | 0.16 | 0.17 | 3.38 | 1.05 | 0.63 | 3.38 | |||||||||||||
2004 | 1.69 | 0.49 | 0.36 | 0.41 | 0.65 | 0.34 | 0.00 | 0.73 | 0.95 | 1.08 | 0.87 | 0.48 | 1.69 | |||||||||||||
2005 | 1.82 | 0.43 | b | 0.94 | 1.21 | 0.57 | 0.17 | 0.42 | 0.03 | 0.60 | 1.04 | a | 1.50 | 0.72 | 1.82 | c | ||||||||||
2006 | 1.42 | 0.54 | 0.43 | b | 1.02 | 0.37 | 1.20 | 0.05 | 0.00 | 0.48 | b | 0.61 | 2.63 | b | 1.03 | 2.63 | f | |||||||||
2007 | 1.90 | 1.33 | 1.13 | 0.32 | 0.46 | b | 0.41 | 0.35 | 0.55 | c | 0.72 | 0.96 | 0.57 | 2.47 | 2.47 | e | ||||||||||
2008 | 0.74 | a | 0.51 | 0.48 | 0.34 | a | 0.52 | 0.59 | 0.13 | 0.66 | 0.27 | 0.46 | 2.63 | 0.46 | 2.63 | b | ||||||||||
2009 | 2.75 | 0.43 | 0.86 | b | 0.85 | a | 0.85 | 0.15 | 0.01 | a | 0.37 | b | 0.89 | b | 0.73 | 1.05 | 0.71 | c | 2.75 | k | ||||||
2010 | 1.07 | 0.62 | 1.05 | 0.60 | i | 0.52 | 0.83 | 0.76 | a | 0.19 | a | 0.96 | d | 0.99 | a | 1.24 | a | 1.41 | 1.41 | q | ||||||
2011 | 1.20 | 1.13 | 1.14 | 0.93 | 1.92 | 0.72 | 0.42 | 0.27 | 0.00 | q | 0.90 | 4.73 | 3.80 | 4.73 | q | |||||||||||
2012 | 0.96 | 0.78 | 0.85 | 0.83 | 0.68 | 0.61 | 0.42 | 0.00 | 0.01 | 0.88 | 2.00 | 1.21 | 2.00 | |||||||||||||
2013 | 1.05 | 0.51 | 0.91 | 1.17 | 0.48 | 0.76 | 0.01 | 0.26 | 1.87 | 0.59 | 1.07 | 0.50 | 1.87 | |||||||||||||
2014 | 1.29 | 2.60 | 1.02 | 0.74 | 0.96 | 0.33 | 0.31 | 1.15 | 1.19 | b | 1.28 | 1.25 | 0.96 | 2.60 | b | |||||||||||
2015 | 0.74 | 1.01 | 1.67 | 0.40 | 0.27 | 0.12 | 0.47 | 1.29 | 0.31 | 2.70 | 2.42 | 1.94 | 2.70 | |||||||||||||
2016 | 0.98 | 1.05 | 0.88 | 0.44 | 0.24 | 0.28 | 0.31 | 0.09 | 0.41 | 1.68 | 1.56 | 0.66 | 1.68 | |||||||||||||
2017 | 1.05 | 1.50 | 1.05 | 0.73 | 0.57 | 0.56 | 0.00 | 0.00 | a | 0.51 | 1.80 | 1.30 | 1.78 | 1.80 | a | |||||||||||
2018 | 1.40 | 0.58 | 0.57 | 1.03 | 0.05 | 0.34 | 0.02 | 0.12 | 0.60 | 1.08 | 0.96 | 1.11 | 1.40 | |||||||||||||
2019 | 0.72 | 1.42 | 1.18 | 0.62 | 0.13 | 0.55 | 0.34 | 0.68 | 0.55 | 1.33 | 0.30 | 3.18 | 3.18 | |||||||||||||
2020 | 1.45 | 0.99 | 0.67 | 0.50 | 0.71 | 0.62 | 0.14 | 0.22 | 0.96 | 1.45 | 0.80 | 1.42 | 1.45 | |||||||||||||
2021 | 1.90 | 1.08 | 0.52 | 0.25 | 0.75 | 0.97 | 0.00 | 0.05 | 1.24 | 1.15 | 1.44 | 1.21 | 1.90 | |||||||||||||
2022 | 2.12 | 2.64 | 0.71 | 1.13 | 0.80 | 1.10 | 0.12 | 0.55 | 0.06 | 0.63 | 1.20 | 1.60 | 2.64 | |||||||||||||
2023 | 0.38 | 0.30 | 0.59 | 0.67 | 0.57 | 0.14 | 0.07 | 0.14 | 0.68 | 0.57 | 1.17 | 2.35 | 2.35 | |||||||||||||
2024 | 0.72 | 0.62 | 0.41 | 0.58 | 0.56 | 0.65 | 0.02 | 0.42 | 0.80 | 0.57 | 0.96 | 1.04 | 1.04 | |||||||||||||
2025 | 0.80 | 0.08 | p | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.24 | 1.00 | 0.79 | 0.76 | 0.59 | 0.59 | 0.29 | 0.38 | 0.52 | 1.04 | 1.51 | 1.32 | 2.11 | |||||||||||||
S.D. | 0.65 | 0.66 | 0.30 | 0.48 | 0.34 | 0.33 | 0.24 | 0.37 | 0.39 | 0.61 | 0.99 | 0.70 | 0.76 | |||||||||||||
SKEW | 1.45 | 1.42 | 0.47 | 1.97 | 1.40 | 0.78 | 0.57 | 1.28 | 1.10 | 1.85 | 1.56 | 1.58 | 0.97 | |||||||||||||
MAX | 3.66 | 2.95 | 1.67 | 2.49 | 1.92 | 1.49 | 0.85 | 1.48 | 1.87 | 3.38 | 4.73 | 3.80 | 4.20 | |||||||||||||
MIN | 0.29 | 0.14 | 0.27 | 0.25 | 0.04 | 0.12 | 0.00 | 0.00 | 0.00 | 0.28 | 0.30 | 0.46 | 1.04 | |||||||||||||
YRS | 42 | 42 | 42 | 41 | 42 | 42 | 42 | 42 | 42 | 41 | 43 | 42 | 32 |