YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.51 | 0.86 | 1.37 | j | ||
1968 | 0.61 | 1.23 | 0.04 | 0.83 | 0.57 | 0.05 | 1.70 | 1.35 | 0.32 | 0.70 | 0.68 | 0.72 | 8.80 | |||||||||||||
1969 | 2.04 | 1.68 | 0.65 | 0.15 | 0.14 | 2.43 | 2.28 | 2.47 | 1.46 | 5.11 | 0.15 | 0.60 | 19.16 | |||||||||||||
1970 | 0.53 | 0.07 | 0.55 | 0.23 | 0.40 | 0.46 | 1.54 | 2.69 | 2.28 | 1.50 | 0.90 | 0.44 | 11.59 | |||||||||||||
1971 | 0.13 | 0.39 | 0.16 | 0.60 | 0.76 | 0.02 | 2.00 | 1.97 | 0.92 | 0.89 | 0.11 | 1.56 | 9.51 | |||||||||||||
1972 | 1.14 | 0.00 | 0.09 | 0.33 | 0.05 | 0.36 | 0.28 | 0.81 | 1.77 | 2.34 | 0.55 | 0.94 | 8.66 | |||||||||||||
1973 | 0.52 | 0.38 | 0.35 | 0.49 | 1.08 | 0.76 | 1.50 | 0.78 | 0.69 | 0.45 | 0.22 | 1.67 | 8.89 | |||||||||||||
1974 | 2.64 | 0.62 | 0.30 | 0.83 | 0.00 | 0.38 | 0.91 | 1.34 | 0.39 | 0.48 | 0.26 | 0.85 | 9.00 | |||||||||||||
1975 | 1.22 | 0.58 | a | 1.15 | 0.37 | 0.56 | 0.23 | 1.64 | 0.64 | 0.18 | 0.33 | 1.64 | 0.49 | 9.03 | ||||||||||||
1976 | 0.79 | 0.97 | 0.30 | 0.35 | 1.05 | 0.50 | 1.15 | 1.49 | 1.91 | 0.09 | 0.29 | 0.03 | 8.92 | |||||||||||||
1977 | 0.37 | 0.23 | 0.11 | 0.89 | 0.38 | 0.38 | 3.32 | 0.73 | 0.68 | 0.98 | 1.13 | 0.78 | 9.98 | |||||||||||||
1978 | 1.42 | 0.89 | 0.42 | 0.40 | 0.55 | 0.42 | 0.50 | 0.35 | 0.27 | 0.87 | 0.80 | 2.14 | 9.03 | |||||||||||||
1979 | 1.91 | 0.66 | a | 0.53 | 0.00 | 0.24 | i | 0.46 | 0.30 | 0.85 | 0.00 | 0.64 | 0.75 | 0.12 | 6.22 | a | ||||||||||
1980 | 1.23 | a | 1.32 | 0.49 | 0.68 | 0.91 | 0.03 | 0.43 | 0.49 | 0.20 | 0.10 | c | 0.21 | 0.52 | 6.61 | |||||||||||
1981 | 0.23 | 0.21 | 0.64 | 0.34 | 0.79 | 0.30 | 2.03 | 1.96 | 0.80 | 0.92 | 0.28 | 1.95 | 10.45 | |||||||||||||
1982 | 2.20 | c | 1.01 | 0.60 | q | 0.00 | 0.20 | 0.60 | 0.81 | 1.41 | 1.37 | 0.18 | 0.65 | 0.20 | a | 8.63 | a | |||||||||
1983 | 0.26 | 0.74 | 0.21 | 0.41 | 0.34 | 1.45 | 1.29 | 1.60 | 0.27 | 0.28 | 1.67 | 3.29 | 11.81 | |||||||||||||
1984 | 0.16 | 0.59 | a | 1.03 | 0.12 | 0.15 | 2.03 | 2.04 | 2.41 | 0.92 | 1.38 | a | 0.22 | b | 0.42 | a | 11.47 | |||||||||
1985 | 0.56 | 0.39 | 1.36 | 1.15 | 0.74 | 0.36 | 1.42 | 0.48 | 1.93 | 0.47 | 0.68 | 0.71 | 10.25 | |||||||||||||
1986 | 0.24 | 1.02 | 0.18 | 0.62 | 0.72 | 1.56 | 1.90 | 2.40 | 1.30 | 0.83 | 2.05 | 0.24 | 13.06 | |||||||||||||
1987 | 0.86 | 1.02 | 0.80 | 0.53 | 0.83 | 0.88 | 0.22 | 2.93 | 0.10 | 0.63 | 0.69 | 0.33 | 9.82 | |||||||||||||
1988 | 2.06 | 0.61 | 0.16 | 0.21 | 0.10 | 0.24 | 2.60 | 1.64 | 0.78 | 0.29 | 1.02 | 1.41 | 11.12 | |||||||||||||
1989 | 0.48 | 1.34 | 0.29 | 0.07 | a | 0.18 | 0.31 | 1.02 | 0.60 | 0.59 | 0.42 | 0.00 | 0.13 | 5.43 | ||||||||||||
1990 | 0.47 | 0.25 | 0.14 | a | 1.45 | 0.27 | 0.18 | 1.53 | 1.09 | 1.69 | 1.05 | 0.59 | 0.24 | 8.95 | ||||||||||||
1991 | 0.42 | 0.06 | 1.05 | 0.26 | 0.49 | 0.68 | b | 1.72 | 1.28 | 0.84 | 0.77 | 0.47 | 0.16 | a | 8.20 | |||||||||||
1992 | 0.25 | 0.37 | 1.24 | 0.50 | 1.11 | c | 0.29 | 1.02 | 1.52 | 0.63 | 0.36 | 0.82 | 0.61 | c | 8.72 | |||||||||||
1993 | 1.69 | c | 2.32 | 0.54 | 0.16 | 0.42 | a | 0.22 | 0.30 | 1.56 | 0.91 | 1.17 | 0.56 | 0.12 | f | 9.85 | a | |||||||||
1994 | 0.25 | 0.47 | f | 0.04 | 0.35 | 0.15 | 0.10 | 0.39 | 1.05 | 1.06 | 1.06 | 0.86 | a | 0.30 | b | 5.61 | a | |||||||||
1995 | 0.55 | 0.37 | 1.68 | 1.54 | 2.26 | 1.46 | 1.38 | 1.50 | 1.07 | 0.13 | 0.52 | a | 0.75 | 13.21 | ||||||||||||
1996 | 1.06 | 0.67 | 0.55 | a | 0.33 | 0.07 | 0.92 | 0.36 | 0.24 | 1.01 | 1.72 | 0.81 | 1.15 | a | 8.89 | |||||||||||
1997 | 1.28 | a | 0.55 | 0.05 | 0.37 | 0.82 | a | 1.86 | a | 0.20 | 1.60 | 1.17 | 1.14 | 0.53 | 0.42 | 9.99 | ||||||||||
1998 | 0.64 | 0.53 | 0.58 | 0.74 | 0.05 | 0.00 | 1.57 | 0.50 | 0.57 | a | 1.81 | 0.74 | 0.01 | a | 7.74 | |||||||||||
1999 | 1.32 | o | 0.40 | 0.27 | x | ----- | z | 0.44 | b | 0.53 | 1.06 | 3.10 | 0.37 | 0.57 | 0.01 | 0.98 | 7.46 | c | ||||||||
2000 | 1.22 | 0.47 | 0.45 | a | 0.20 | 0.01 | 0.01 | 0.02 | 0.87 | a | 0.41 | 0.00 | 0.07 | 1.04 | 4.77 | |||||||||||
2001 | 0.26 | 0.72 | 0.02 | a | 0.00 | 0.60 | 0.00 | 0.00 | 1.41 | 0.96 | 0.38 | 0.38 | 0.37 | f | 4.73 | a | ||||||||||
2002 | 0.00 | e | ----- | z | 0.15 | a | 0.10 | 0.00 | ----- | z | 0.46 | a | 0.61 | 2.11 | 1.21 | 1.49 | d | 0.23 | f | 6.13 | c | |||||
2003 | ----- | z | 0.57 | c | 0.03 | e | 0.00 | 1.00 | 0.60 | d | 0.12 | 1.59 | 2.41 | 0.62 | 1.72 | a | 0.14 | 8.80 | a | |||||||
2004 | 0.30 | 0.60 | a | 0.01 | b | 0.44 | a | 0.03 | 0.44 | 1.33 | a | 0.39 | b | 0.91 | 4.39 | 0.67 | 0.20 | 9.71 | ||||||||
2005 | 1.43 | 0.90 | 0.41 | a | 0.07 | a | 0.36 | a | 0.28 | d | 0.66 | 2.01 | 2.32 | b | 1.52 | c | 0.44 | 1.15 | 11.55 | |||||||
2006 | 1.19 | 0.47 | 0.42 | 0.36 | 0.46 | 0.00 | 1.37 | 1.26 | 1.21 | 1.93 | 0.70 | 0.28 | 9.65 | |||||||||||||
2007 | 0.29 | b | 0.68 | 0.16 | 0.94 | 0.85 | 0.36 | 1.72 | 1.33 | 1.38 | 0.70 | 0.05 | 2.92 | b | 11.38 | |||||||||||
2008 | 2.80 | b | 0.98 | h | 1.03 | e | 0.59 | 0.60 | 0.19 | 1.22 | 0.75 | 1.70 | 0.16 | 0.40 | 2.06 | b | 11.50 | a | ||||||||
2009 | 0.27 | b | 0.60 | a | 0.72 | 0.87 | 1.22 | 1.08 | 0.84 | 0.49 | 0.21 | 0.71 | 0.13 | 0.64 | 7.78 | |||||||||||
2010 | 0.24 | b | 0.83 | 0.60 | 0.91 | 0.45 | 0.24 | 0.36 | 2.19 | 0.80 | 0.79 | 0.21 | 1.11 | c | 8.73 | |||||||||||
2011 | 0.47 | v | 0.58 | v | 1.41 | w | 0.93 | r | 0.84 | m | 0.09 | o | 1.26 | o | 0.75 | u | 0.48 | x | 0.73 | x | ----- | z | 0.58 | y | 0.00 | l |
2012 | 1.28 | y | 1.88 | s | ----- | z | 0.21 | x | 0.34 | u | ----- | z | 1.13 | 0.88 | c | 1.24 | 0.14 | 0.21 | 0.82 | 4.42 | f | |||||
2013 | 0.92 | 0.48 | 0.26 | a | 0.62 | 0.74 | 0.04 | 1.55 | 1.43 | 2.93 | 0.29 | n | 0.32 | d | 0.64 | e | 9.93 | a | ||||||||
2014 | 0.57 | 1.41 | b | 0.16 | 0.00 | 0.24 | g | 0.00 | 0.38 | 1.24 | 0.97 | 0.00 | 0.68 | 0.44 | e | 5.85 | a | |||||||||
2015 | 0.24 | 0.70 | n | 0.20 | 0.15 | a | 0.85 | 0.25 | a | 0.45 | 0.53 | 0.40 | a | 1.10 | c | 0.36 | e | 1.03 | 5.56 | a | ||||||
2016 | 0.63 | 0.13 | d | 0.31 | 0.45 | ----- | z | 0.06 | 0.14 | 2.09 | 0.00 | n | ----- | z | ----- | z | 1.44 | 5.25 | d | |||||||
2017 | ----- | z | 0.68 | 0.29 | 0.26 | 1.02 | 0.05 | 1.32 | 1.89 | 0.69 | 0.67 | h | 0.66 | b | 0.32 | 7.18 | b | |||||||||
2018 | 0.49 | 1.20 | 0.08 | 0.22 | 0.16 | 0.30 | 0.52 | 0.45 | 0.29 | 0.90 | 0.20 | 0.73 | 5.54 | |||||||||||||
2019 | 0.84 | a | 1.07 | 1.92 | 0.72 | 0.68 | 0.29 | 0.66 | 0.10 | 0.21 | 0.67 | 0.35 | 0.84 | 8.35 | ||||||||||||
2020 | 1.12 | 0.40 | 0.47 | 0.11 | 0.28 | 0.09 | 1.04 | 0.53 | 0.88 | 0.30 | 0.90 | 1.03 | 7.15 | |||||||||||||
2021 | 0.57 | 0.93 | 0.91 | 0.23 | 0.55 | 0.28 | 0.61 | 0.41 | 0.80 | 0.68 | 0.02 | 0.90 | 6.89 | |||||||||||||
2022 | 0.26 | 0.72 | 0.59 | 0.23 | 0.41 | 1.22 | 1.84 | 0.74 | 0.40 | 1.33 | 0.40 | 1.07 | 9.21 | |||||||||||||
2023 | 0.98 | 0.27 | a | 2.04 | 0.58 | 0.22 | 0.49 | 0.08 | 0.85 | 0.70 | 1.34 | a | 0.15 | c | 0.30 | e | 8.00 | |||||||||
2024 | 1.17 | c | 0.46 | j | 0.58 | o | 0.28 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.17 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.85 | 0.69 | 0.52 | 0.44 | 0.53 | 0.50 | 1.06 | 1.25 | 0.97 | 0.93 | 0.58 | 0.83 | 9.42 | |||||||||||||
S.D. | 0.67 | 0.44 | 0.48 | 0.35 | 0.42 | 0.55 | 0.73 | 0.73 | 0.67 | 0.94 | 0.46 | 0.69 | 2.46 | |||||||||||||
SKEW | 1.17 | 1.21 | 1.46 | 1.11 | 1.40 | 1.74 | 0.61 | 0.62 | 0.90 | 2.73 | 1.29 | 1.59 | 1.37 | |||||||||||||
MAX | 2.80 | 2.32 | 2.04 | 1.54 | 2.26 | 2.43 | 3.32 | 3.10 | 2.93 | 5.11 | 2.05 | 3.29 | 19.16 | |||||||||||||
MIN | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.10 | 0.00 | 0.00 | 0.00 | 0.01 | 4.77 | |||||||||||||
YRS | 52 | 50 | 52 | 53 | 51 | 53 | 55 | 55 | 54 | 52 | 55 | 53 | 40 |