YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.01 | 1.30 | 1.12 | 2.43 | i | |||
1979 | 1.36 | 0.87 | a | 1.27 | 1.85 | 1.60 | 0.16 | 0.10 | 1.50 | 0.05 | 0.98 | 1.37 | 0.72 | 11.83 | ||||||||||||
1980 | 0.80 | 0.75 | 1.16 | 0.22 | 2.00 | 2.32 | 0.66 | 0.01 | 0.96 | 0.42 | 0.58 | 0.88 | i | 9.88 | a | |||||||||||
1981 | 0.59 | 0.87 | 2.17 | 1.28 | 3.49 | 0.74 | 0.43 | 0.00 | 0.82 | 0.60 | 2.07 | a | 2.24 | 15.30 | ||||||||||||
1982 | 0.56 | 0.80 | b | 1.57 | t | 0.67 | 0.73 | 2.52 | 1.26 | 0.17 | 1.44 | 1.93 | 0.38 | a | 1.54 | a | 12.00 | a | ||||||||
1983 | 0.65 | a | 1.48 | b | 1.94 | 1.79 | 2.34 | 1.62 | 0.49 | 1.25 | 0.09 | 1.32 | 0.68 | h | 2.74 | f | 12.97 | b | ||||||||
1984 | 0.26 | k | 0.63 | c | 2.22 | a | 1.94 | 1.62 | 2.05 | 0.26 | 3.28 | 0.31 | 1.48 | 1.72 | j | 0.55 | 14.34 | b | ||||||||
1985 | 0.31 | e | 0.70 | c | 0.47 | g | 0.39 | 2.17 | a | 0.22 | a | 0.35 | 0.47 | 0.43 | 0.44 | a | 1.81 | d | 0.34 | h | 7.29 | b | ||||
1986 | 0.80 | b | 2.11 | e | 0.60 | 0.95 | 1.20 | c | 0.29 | a | 0.35 | 0.12 | a | 0.91 | a | 0.36 | 1.37 | e | 0.20 | b | 9.26 | |||||
1987 | 0.95 | a | 0.75 | g | 1.42 | c | 0.80 | 1.36 | 0.76 | 2.09 | 0.27 | 0.00 | 0.00 | a | 0.60 | l | 0.97 | b | 8.62 | b | ||||||
1988 | 0.62 | 0.09 | 0.54 | 2.10 | 0.74 | 0.84 | 0.00 | 2.21 | 0.11 | 0.00 | 1.38 | c | 0.66 | a | 9.29 | |||||||||||
1989 | 0.91 | 0.82 | 1.68 | 1.51 | 3.28 | 0.60 | 0.24 | 0.97 | 0.52 | 0.69 | 0.31 | 0.23 | b | 11.76 | ||||||||||||
1990 | 0.95 | b | 0.23 | 0.77 | 1.32 | 1.29 | 0.78 | 0.05 | 0.97 | 0.07 | 0.85 | 1.07 | 0.55 | 8.90 | ||||||||||||
1991 | 0.35 | 0.69 | 1.25 | 0.98 | 2.32 | 2.48 | 0.30 | 0.47 | 0.00 | 0.61 | 2.05 | a | 0.49 | a | 11.99 | |||||||||||
1992 | ----- | z | 0.33 | a | 0.82 | ----- | z | 0.57 | 1.24 | 2.91 | 0.11 | 0.20 | 0.66 | a | 1.29 | 1.07 | d | 9.20 | b | |||||||
1993 | 1.52 | h | 0.74 | b | 1.59 | 1.62 | b | 1.91 | 1.64 | 2.03 | 0.69 | 0.01 | 0.67 | a | 0.24 | b | 0.41 | c | 11.55 | a | ||||||
1994 | 0.10 | c | 0.65 | c | 1.11 | 1.89 | 2.11 | 1.87 | 0.35 | 0.00 | 0.30 | 0.58 | b | 0.96 | a | 0.32 | b | 10.24 | ||||||||
1995 | 1.34 | d | 0.64 | a | 1.32 | a | 2.21 | b | 1.86 | g | ----- | z | 0.31 | 0.28 | 0.19 | 0.41 | 2.21 | b | 0.87 | p | 8.91 | c | ||||
1996 | 1.21 | j | 0.47 | 0.52 | 1.35 | 2.35 | 1.13 | 0.52 | 0.48 | 0.52 | 1.26 | 1.76 | 2.11 | a | 12.47 | a | ||||||||||
1997 | 1.92 | a | 0.45 | 0.43 | 1.61 | 0.81 | 1.57 | 1.35 | 0.18 | 0.42 | 0.26 | 0.67 | 0.23 | b | 9.90 | |||||||||||
1998 | 1.36 | c | 0.62 | e | 0.90 | 1.05 | 4.28 | 1.51 | 1.12 | 0.02 | 0.58 | 0.22 | 2.40 | a | 1.28 | c | 15.34 | |||||||||
1999 | 1.05 | e | 1.16 | h | 0.83 | 0.63 | 0.80 | ----- | z | 0.19 | 0.78 | 0.00 | 0.89 | 0.76 | 0.52 | a | 6.45 | b | ||||||||
2000 | 1.05 | g | 1.10 | a | 1.89 | 0.80 | 1.03 | 0.66 | 0.63 | 0.00 | 0.95 | 1.23 | 0.50 | 0.47 | a | 9.26 | a | |||||||||
2001 | 0.67 | 0.35 | 1.06 | a | 1.57 | 0.15 | 1.31 | 1.30 | 0.11 | 0.53 | 0.83 | 1.13 | a | 1.05 | i | 9.01 | a | |||||||||
2002 | 0.55 | h | 0.10 | a | 0.44 | 0.78 | 0.74 | e | 1.13 | 0.03 | 0.77 | 0.17 | 0.37 | 0.09 | b | 1.22 | d | 5.84 | a | |||||||
2003 | 1.30 | f | 0.83 | e | 1.12 | ----- | z | 1.65 | 0.06 | 0.16 | 0.75 | 0.52 | 0.44 | ----- | z | 2.10 | g | 5.53 | d | |||||||
2004 | 1.78 | c | 1.20 | d | 0.82 | 1.15 | 3.87 | 0.57 | 0.10 | 1.14 | 0.18 | a | 1.44 | 0.67 | 1.23 | 14.15 | ||||||||||
2005 | 0.33 | b | 0.36 | 0.49 | 1.75 | 2.93 | 0.77 | 0.18 | 0.01 | 0.08 | 1.98 | 1.73 | a | 1.03 | c | 11.64 | ||||||||||
2006 | 1.37 | a | 0.49 | 1.33 | 0.57 | 1.61 | b | 1.28 | 0.23 | 0.55 | 0.10 | 0.54 | 1.24 | b | 0.73 | c | 10.04 | |||||||||
2007 | 0.19 | g | 2.61 | d | 0.97 | c | 1.67 | f | 0.20 | c | 1.10 | b | 0.00 | 0.28 | a | 0.49 | b | 1.19 | c | 1.17 | 0.62 | b | 8.63 | b | ||
2008 | 1.03 | g | 0.12 | d | 0.82 | b | 0.57 | 1.01 | a | 0.70 | 0.08 | d | 0.36 | c | 0.19 | 0.13 | c | 1.08 | a | 0.78 | b | 5.84 | a | |||
2009 | 0.67 | a | 0.50 | b | 0.78 | d | 0.89 | 1.01 | a | 1.18 | c | 0.00 | 1.08 | 0.09 | a | 1.13 | a | 0.59 | f | 0.15 | 7.48 | a | ||||
2010 | 1.52 | b | 0.20 | a | 0.28 | b | 1.28 | 2.51 | 1.70 | b | 0.53 | a | 0.27 | a | 1.10 | a | 0.99 | e | 0.96 | g | 1.21 | i | 10.38 | b | ||
2011 | 0.99 | c | 0.24 | c | 0.80 | 0.84 | g | 1.55 | i | 1.13 | e | 0.22 | i | 0.25 | a | 0.00 | c | 0.58 | d | 0.50 | f | 0.44 | j | 3.99 | e | |
2012 | 1.33 | b | 0.26 | f | 0.83 | i | 1.26 | b | 0.45 | c | 1.36 | b | 0.96 | c | 0.00 | c | 0.01 | e | 0.87 | j | 0.63 | m | 1.45 | k | 5.37 | e |
2013 | 1.36 | i | 0.30 | d | 0.41 | c | 0.59 | f | 1.48 | g | 1.41 | b | 0.02 | d | 0.66 | d | 1.37 | d | 0.01 | q | 0.37 | e | 0.26 | d | 4.80 | d |
2014 | 0.76 | c | 1.39 | a | 1.64 | b | 1.14 | a | 0.85 | e | 0.57 | d | 0.33 | c | 1.34 | c | 0.14 | f | 0.71 | j | 1.28 | i | 2.61 | e | 10.63 | c |
2015 | 0.33 | f | 1.21 | a | 0.84 | 0.22 | 1.45 | 0.59 | 0.88 | 0.07 | b | 0.20 | 0.63 | 1.30 | 1.87 | 9.26 | a | |||||||||
2016 | 0.93 | e | 0.51 | e | 0.98 | 0.57 | c | 1.08 | 0.70 | 0.80 | 0.02 | 0.16 | 1.58 | 0.44 | 1.86 | e | 9.63 | |||||||||
2017 | 1.30 | h | 0.31 | k | 0.97 | b | 1.66 | 0.77 | r | 0.81 | f | 0.00 | q | 0.40 | e | 0.23 | a | 1.07 | a | 0.42 | b | 0.05 | o | 4.75 | f | |
2018 | ----- | z | ----- | z | 1.49 | b | 0.94 | c | 1.91 | 1.34 | a | 0.00 | 0.05 | 0.00 | 0.92 | a | 0.48 | e | 0.45 | l | 7.13 | c | ||||
2019 | ----- | z | 2.46 | e | 1.31 | b | 1.44 | g | 2.03 | f | 0.13 | d | 0.00 | f | 0.21 | g | 1.18 | f | 0.69 | e | 0.24 | f | 0.24 | j | 4.59 | h |
2020 | 0.92 | k | 0.86 | j | 0.68 | i | 0.56 | x | 1.44 | i | 0.65 | g | 0.04 | d | 0.09 | e | 0.18 | d | 0.05 | h | 1.30 | i | 0.32 | l | 0.31 | i |
2021 | 0.53 | o | 1.30 | l | 0.30 | l | 0.26 | g | 1.02 | d | 0.15 | 0.05 | 0.21 | 0.91 | b | 0.76 | d | 0.84 | j | 0.40 | j | 3.10 | f | |||
2022 | 0.96 | i | 0.21 | e | 0.53 | b | 1.11 | 1.46 | c | 2.84 | b | 0.76 | d | 0.11 | 0.23 | f | 0.70 | a | 1.42 | b | 0.84 | d | 9.98 | b | ||
2023 | 0.11 | c | 0.21 | a | 1.75 | a | 1.53 | b | 2.58 | c | 0.09 | f | 0.00 | 1.22 | u | ----- | z | ----- | z | ----- | z | ----- | z | 6.18 | f | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.90 | 0.75 | 1.08 | 1.19 | 1.65 | 1.13 | 0.53 | 0.53 | 0.38 | 0.78 | 1.09 | 0.93 | 11.38 | |||||||||||||
S.D. | 0.47 | 0.60 | 0.50 | 0.53 | 0.99 | 0.70 | 0.64 | 0.66 | 0.39 | 0.49 | 0.62 | 0.65 | 2.20 | |||||||||||||
SKEW | 0.30 | 1.62 | 0.52 | 0.02 | 0.81 | 0.56 | 1.88 | 2.23 | 1.17 | 0.58 | 0.31 | 0.96 | 0.74 | |||||||||||||
MAX | 1.92 | 2.61 | 2.22 | 2.21 | 4.28 | 2.84 | 2.91 | 3.28 | 1.44 | 1.98 | 2.40 | 2.61 | 15.34 | |||||||||||||
MIN | 0.10 | 0.09 | 0.28 | 0.22 | 0.15 | 0.06 | 0.00 | 0.00 | 0.00 | 0.00 | 0.09 | 0.15 | 8.90 | |||||||||||||
YRS | 28 | 38 | 40 | 37 | 39 | 40 | 42 | 43 | 41 | 41 | 33 | 31 | 14 |