YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 0.16 | 1.19 | 1.79 | 0.79 | 2.10 | 0.31 | r | ----- | z | ----- | z | 6.03 | g | |||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | 1.15 | 2.79 | 1.70 | 1.08 | 1.19 | 0.63 | ----- | z | ----- | z | 8.54 | f | ||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.49 | ----- | z | 0.12 | 0.61 | j | ||
1969 | 0.23 | 0.86 | 0.06 | 0.62 | 0.57 | 3.11 | 0.87 | 0.49 | 1.10 | 1.57 | 0.22 | 0.19 | 9.89 | |||||||||||||
1970 | 0.03 | 0.11 | 0.60 | 0.23 | 0.91 | 2.07 | 1.83 | 0.59 | 1.54 | 1.57 | 0.85 | 0.12 | 10.45 | |||||||||||||
1971 | 0.07 | 0.45 | ----- | z | ----- | z | ----- | z | 0.06 | 1.02 | 0.73 | 0.86 | 0.20 | 0.20 | 0.14 | 3.73 | c | |||||||||
1972 | 0.21 | 0.10 | 0.05 | 0.72 | 1.03 | 1.38 | 0.86 | 1.55 | 0.79 | 2.22 | ----- | z | 1.00 | 9.91 | a | |||||||||||
1973 | 0.60 | i | 0.05 | 1.70 | a | 1.53 | 0.83 | 2.00 | 2.00 | 1.43 | 2.12 | 0.11 | 1.69 | 0.50 | h | 13.46 | b | |||||||||
1974 | 0.70 | d | 0.00 | c | 0.20 | b | 0.20 | c | 0.31 | 1.59 | 1.75 | 1.19 | 0.51 | 1.62 | 0.75 | 0.15 | 8.97 | |||||||||
1975 | 0.39 | e | 0.19 | 0.72 | 0.48 | 0.30 | 0.85 | 2.37 | 1.10 | 0.49 | 0.31 | b | 0.20 | 0.48 | 7.88 | |||||||||||
1976 | 0.12 | 0.19 | 0.42 | 1.21 | 1.00 | 1.26 | 2.27 | 2.00 | 0.53 | 0.46 | 0.15 | 0.13 | 9.74 | |||||||||||||
1977 | 0.76 | 0.20 | 1.41 | 0.97 | 0.90 | 1.20 | 2.77 | 1.08 | 0.22 | 0.14 | 0.23 | 0.00 | 9.88 | |||||||||||||
1978 | 0.32 | 0.29 | 0.79 | 0.33 | ----- | z | 0.33 | 0.57 | 0.45 | 0.65 | 0.95 | 0.25 | a | 0.15 | f | 4.93 | b | |||||||||
1979 | 0.30 | b | 0.25 | c | 0.26 | 0.45 | 1.09 | e | 0.46 | 1.21 | 2.65 | 0.44 | ----- | z | 0.43 | 0.00 | a | 7.54 | a | |||||||
1980 | 0.00 | h | ----- | z | ----- | z | 0.69 | 1.87 | 0.31 | 1.69 | 1.00 | ----- | z | ----- | z | 0.31 | 0.13 | 6.00 | e | |||||||
1981 | 0.10 | 0.08 | 0.70 | 1.05 | 3.48 | 1.00 | 3.28 | 1.40 | 0.98 | 1.28 | 0.27 | 0.40 | 14.02 | |||||||||||||
1982 | 0.18 | 0.15 | g | 0.45 | 0.58 | 2.03 | 1.68 | 1.55 | 2.03 | 1.97 | 0.56 | 0.69 | 1.00 | 12.72 | a | |||||||||||
1983 | 1.60 | 0.08 | 1.53 | 3.43 | 1.35 | ----- | z | 1.76 | 1.16 | 0.28 | 0.76 | 1.84 | 0.53 | f | 13.79 | b | ||||||||||
1984 | 0.24 | 0.50 | 1.07 | 1.75 | 0.66 | 0.63 | 2.70 | 3.22 | 0.86 | b | 0.94 | a | 0.18 | a | 0.32 | 13.07 | ||||||||||
1985 | 0.53 | 0.17 | n | 0.55 | 1.69 | 1.35 | 0.94 | 3.20 | 0.55 | a | 0.94 | 1.44 | q | 1.08 | c | 0.21 | d | 11.04 | b | |||||||
1986 | 0.01 | 0.41 | b | 0.25 | 1.22 | 0.97 | 2.16 | d | 1.11 | 0.88 | 0.37 | 1.35 | 0.58 | 0.19 | 9.50 | |||||||||||
1987 | 0.46 | 0.50 | 0.46 | 0.96 | 3.33 | 0.45 | c | 0.95 | 0.99 | 0.05 | 0.50 | a | 1.15 | 0.41 | 10.21 | |||||||||||
1988 | 0.20 | f | 0.35 | 0.38 | 0.45 | 1.40 | e | 1.90 | 0.11 | 0.58 | j | 1.35 | d | 0.06 | 0.40 | e | 0.36 | y | 6.40 | c | ||||||
1989 | 0.25 | 1.36 | 0.47 | 0.23 | 1.11 | 0.70 | 0.48 | 1.29 | 1.90 | a | 0.30 | 0.25 | 0.34 | a | 8.68 | |||||||||||
1990 | 0.21 | a | 0.71 | 1.58 | 0.99 | 0.85 | 0.40 | 2.58 | 2.52 | 2.31 | 1.31 | 0.63 | 0.34 | 14.43 | ||||||||||||
1991 | 0.37 | 0.24 | 0.48 | 0.78 | 2.09 | 4.51 | h | 1.94 | a | 1.71 | e | 0.42 | 0.32 | b | 0.67 | 0.07 | c | 9.09 | a | |||||||
1992 | 0.46 | e | 0.47 | 0.54 | 0.85 | 2.60 | 2.35 | 1.66 | 1.78 | 0.06 | 0.28 | 0.87 | a | 0.56 | f | 11.92 | a | |||||||||
1993 | 0.15 | 1.29 | 0.61 | f | 0.76 | 1.77 | 1.64 | e | 0.47 | 1.60 | 1.68 | 1.43 | 0.81 | f | 0.19 | b | 10.98 | b | ||||||||
1994 | 0.20 | b | 0.79 | f | 0.35 | i | 1.28 | h | 0.76 | 0.53 | 0.75 | 1.63 | 0.25 | a | 1.07 | k | 0.40 | 0.33 | 4.85 | d | ||||||
1995 | 0.30 | t | 0.37 | b | 0.44 | a | 1.11 | b | 3.90 | 2.79 | 1.01 | 0.81 | 1.83 | 0.63 | 0.47 | 0.24 | 13.60 | a | ||||||||
1996 | 0.47 | 0.32 | 0.57 | 2.09 | 1.60 | 0.79 | 1.05 | 1.20 | 0.67 | 0.70 | 0.33 | 0.26 | 10.05 | |||||||||||||
1997 | 0.83 | 0.43 | 0.59 | 1.47 | 2.37 | 1.76 | 0.81 | 2.52 | 2.13 | 0.65 | 0.18 | 0.94 | 14.68 | |||||||||||||
1998 | 0.06 | 0.40 | 0.88 | 0.78 | 0.98 | 1.97 | 2.44 | 0.84 | 0.67 | 2.66 | 0.10 | 0.75 | 12.53 | |||||||||||||
1999 | 0.34 | 0.00 | 0.65 | 1.33 | 2.20 | 0.77 | 0.70 | 0.26 | 0.90 | 0.21 | 0.08 | a | 0.24 | 7.68 | ||||||||||||
2000 | 0.06 | e | 0.12 | c | 0.58 | 1.54 | 2.81 | 0.81 | 0.75 | 1.01 | 1.82 | a | 1.19 | 0.32 | a | 0.33 | 11.34 | |||||||||
2001 | 0.17 | 0.31 | 0.32 | 0.79 | 1.84 | 0.06 | 0.68 | 0.87 | 0.67 | 0.50 | 0.62 | 0.18 | 7.01 | |||||||||||||
2002 | 0.28 | 0.17 | 0.78 | 0.52 | 0.43 | 0.20 | 0.33 | 0.92 | 0.98 | 1.00 | 0.18 | 0.10 | 5.89 | |||||||||||||
2003 | 0.12 | 0.28 | 1.75 | 2.00 | 2.69 | 0.80 | 0.51 | 0.71 | 0.59 | 0.40 | 1.02 | 0.44 | 11.31 | |||||||||||||
2004 | 0.04 | 0.49 | 0.02 | 1.36 | 0.73 | 2.01 | 1.70 | 1.46 | 4.71 | 0.83 | 0.30 | 0.08 | 13.73 | |||||||||||||
2005 | 0.37 | 0.29 | 0.75 | 1.24 | 0.99 | 3.23 | 1.20 | 1.34 | 0.33 | 1.38 | 0.48 | 0.12 | 11.72 | |||||||||||||
2006 | 0.04 | 0.10 | 0.45 | ----- | z | 0.97 | 0.29 | 1.37 | 1.51 | 0.62 | 0.68 | 0.17 | 0.60 | 6.80 | a | |||||||||||
2007 | 0.40 | 0.08 | 0.89 | 1.27 | 1.46 | 0.40 | 1.69 | 1.58 | 1.07 | 1.38 | 0.07 | 0.33 | f | 10.29 | a | |||||||||||
2008 | 0.07 | 0.12 | 0.32 | 0.52 | 3.79 | d | 2.32 | b | 0.83 | 1.78 | 1.01 | 0.15 | 0.30 | 0.30 | 11.51 | |||||||||||
2009 | 0.31 | 0.06 | 0.28 | 1.28 | 1.72 | 2.22 | 2.84 | 0.46 | 0.65 | 1.12 | 0.93 | ----- | z | 11.87 | a | |||||||||||
2010 | 0.14 | 0.29 | 0.46 | 2.28 | 1.17 | 2.39 | 0.64 | 1.59 | 0.08 | 1.23 | 1.43 | 0.57 | b | 12.27 | ||||||||||||
2011 | 0.40 | 0.31 | d | 0.54 | 1.96 | 1.21 | 1.24 | 1.90 | 0.55 | 0.97 | 1.29 | 0.42 | 0.20 | 10.99 | ||||||||||||
2012 | 0.14 | 0.80 | 0.00 | 0.87 | 0.71 | 0.18 | 1.55 | 0.18 | 0.58 | 1.28 | 0.15 | 0.33 | e | 6.77 | ||||||||||||
2013 | 0.10 | 0.42 | 0.31 | 0.65 | 0.81 | 0.55 | 2.21 | 0.74 | 2.73 | 1.78 | 0.37 | 0.51 | 11.18 | |||||||||||||
2014 | 0.39 | 0.39 | 0.39 | 0.39 | 1.60 | 0.83 | 3.43 | 1.22 | 1.97 | 0.27 | 0.55 | 0.40 | 11.83 | |||||||||||||
2015 | 0.14 | 0.51 | 0.27 | 1.90 | 3.10 | 0.81 | 2.81 | 0.85 | 0.25 | 2.67 | 0.40 | 0.43 | 14.14 | |||||||||||||
2016 | 0.43 | 0.07 | 1.09 | 2.03 | 2.34 | 1.72 | 0.45 | 1.09 | 0.99 | 0.06 | 0.80 | 0.21 | 11.28 | |||||||||||||
2017 | 1.03 | 0.28 | 0.54 | 1.23 | 1.58 | 0.08 | 1.52 | 0.98 | 1.04 | 1.12 | 1.15 | 0.33 | 10.88 | |||||||||||||
2018 | 0.15 | 0.41 | 1.24 | 0.41 | 1.65 | 0.94 | 1.32 | 0.72 | 0.26 | 0.73 | 0.48 | 0.22 | 8.53 | |||||||||||||
2019 | 0.33 | 0.15 | 1.06 | 1.27 | 2.39 | 2.01 | 1.53 | 0.29 | 0.67 | 0.37 | 0.52 | 0.54 | 11.13 | |||||||||||||
2020 | 0.03 | 0.19 | 0.31 | 0.66 | 2.47 | 2.15 | 1.14 | 0.05 | 0.35 | 0.42 | 0.11 | 0.26 | 8.14 | |||||||||||||
2021 | 0.12 | 0.22 | 0.65 | 1.21 | 2.06 | 0.83 | 0.83 | 0.81 | 0.99 | 0.70 | 0.21 | 0.64 | 9.27 | |||||||||||||
2022 | 0.47 | 0.27 | 0.51 | 0.42 | 1.10 | 0.70 | 1.25 | 1.58 | 0.70 | 0.11 | 0.60 | 0.21 | 7.92 | |||||||||||||
2023 | 0.65 | 0.17 | 0.38 | 0.57 | 0.86 | 4.51 | 1.80 | 0.82 | 0.47 | 0.83 | 0.12 | 0.21 | 11.39 | |||||||||||||
2024 | 0.34 | 0.64 | 1.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.98 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.31 | 0.33 | 0.63 | 1.06 | 1.55 | 1.32 | 1.50 | 1.17 | 1.01 | 0.86 | 0.51 | 0.32 | 10.54 | |||||||||||||
S.D. | 0.29 | 0.28 | 0.42 | 0.64 | 0.90 | 0.95 | 0.81 | 0.64 | 0.82 | 0.63 | 0.41 | 0.24 | 2.23 | |||||||||||||
SKEW | 2.20 | 1.85 | 1.05 | 1.18 | 0.85 | 0.91 | 0.55 | 0.91 | 1.96 | 0.98 | 1.44 | 1.33 | -0.02 | |||||||||||||
MAX | 1.60 | 1.36 | 1.75 | 3.43 | 3.90 | 4.51 | 3.43 | 3.22 | 4.71 | 2.67 | 1.84 | 1.00 | 14.68 | |||||||||||||
MIN | 0.01 | 0.00 | 0.00 | 0.20 | 0.16 | 0.06 | 0.11 | 0.05 | 0.05 | 0.06 | 0.07 | 0.00 | 5.89 | |||||||||||||
YRS | 52 | 52 | 52 | 52 | 55 | 55 | 57 | 56 | 56 | 53 | 53 | 49 | 37 |