YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1962 | ----- | z | ----- | z | 0.00 | y | 0.81 | ----- | z | 0.28 | 0.23 | 0.14 | 1.34 | 0.51 | ----- | z | ----- | z | 3.31 | f | ||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.19 | f | 0.78 | 3.22 | 0.74 | 1.06 | 0.41 | 0.98 | 7.19 | f | ||||||
1964 | 0.32 | 0.00 | 0.56 | 0.95 | 0.23 | 0.08 | 0.40 | 1.49 | 0.82 | 0.00 | 0.94 | 0.57 | 6.36 | |||||||||||||
1965 | 0.54 | 0.85 | 1.56 | 1.59 | 1.60 | 0.99 | 1.40 | 0.66 | 2.76 | 1.51 | 0.83 | 0.73 | 15.02 | |||||||||||||
1966 | 0.41 | 0.23 | 0.00 | 0.96 | 0.77 | 0.14 | 0.36 | 1.27 | 0.32 | 0.72 | 0.61 | 1.18 | 6.97 | |||||||||||||
1967 | 0.16 | 0.28 | 0.07 | 0.01 | 1.95 | 0.80 | 1.27 | 0.57 | 0.42 | 0.31 | 0.37 | 1.23 | 7.44 | |||||||||||||
1968 | 0.24 | 1.34 | 0.22 | 0.61 | 0.16 | 0.01 | 0.94 | 2.11 | 0.10 | 0.67 | 0.35 | 0.59 | 7.34 | |||||||||||||
1969 | 0.80 | 0.43 | 1.04 | 0.06 | 0.42 | 1.70 | 0.34 | 0.68 | 0.75 | 1.91 | 0.55 | 0.41 | 9.09 | |||||||||||||
1970 | 0.60 | 0.00 | 2.41 | 0.57 | 0.00 | 0.91 | 0.64 | 0.10 | 0.88 | 1.33 | 0.62 | 0.49 | 8.55 | |||||||||||||
1971 | 0.20 | 0.20 | 0.05 | 0.59 | 0.95 | 0.08 | 0.25 | 0.78 | 0.44 | 1.16 | 0.78 | 0.97 | 6.45 | |||||||||||||
1972 | 0.37 | 0.00 | 0.02 | 0.17 | 0.34 | 0.70 | 0.05 | 0.35 | 0.84 | 3.28 | 0.59 | 1.24 | 7.95 | |||||||||||||
1973 | 1.40 | c | 0.30 | 0.95 | 1.06 | 2.30 | 1.03 | 0.75 | 0.82 | 0.45 | 0.25 | 1.21 | 0.82 | 11.34 | ||||||||||||
1974 | 0.52 | 0.39 | 0.80 | 0.85 | 0.00 | 0.12 | 0.93 | 0.68 | 0.32 | 0.81 | 1.40 | 0.31 | 7.13 | |||||||||||||
1975 | 1.06 | 0.71 | 1.77 | 1.27 | 1.06 | 0.51 | 1.14 | ----- | z | 0.28 | 0.94 | 0.14 | c | 0.23 | 9.11 | a | ||||||||||
1976 | 0.12 | 0.66 | 0.56 | 0.31 | 1.94 | 0.26 | 1.16 | 0.04 | 0.77 | 0.30 | 0.00 | 0.00 | 6.12 | |||||||||||||
1977 | 0.46 | 0.10 | 0.25 | 0.36 | 0.88 | 0.09 | 1.03 | 0.54 | 0.83 | 0.36 | 0.67 | 0.45 | 6.02 | |||||||||||||
1978 | 0.59 | c | 0.72 | 1.23 | 1.06 | 0.50 | 0.05 | 0.00 | 0.50 | 0.30 | 0.10 | 0.46 | 1.82 | 7.33 | ||||||||||||
1979 | 0.75 | g | 0.00 | e | 1.96 | 0.25 | 1.48 | 0.71 | 0.26 | 0.28 | 0.06 | 0.43 | 0.10 | a | 0.20 | d | 5.73 | a | ||||||||
1980 | 0.62 | 1.34 | 1.60 | 0.60 | 1.66 | 0.00 | 0.76 | 0.66 | 0.32 | 1.10 | 0.60 | 0.30 | 9.56 | |||||||||||||
1981 | 0.21 | 0.00 | 0.60 | 0.68 | 1.64 | 0.31 | 0.84 | 1.01 | 0.50 | 1.72 | 0.25 | 0.43 | 8.19 | |||||||||||||
1982 | 0.19 | b | 0.38 | 0.20 | 0.03 | 0.71 | 0.05 | 0.61 | 0.87 | 1.83 | 1.06 | 0.66 | 0.35 | 6.94 | ||||||||||||
1983 | 0.40 | 0.77 | 1.80 | 1.04 | 1.46 | 1.86 | 1.08 | 0.58 | 0.61 | 0.27 | 2.77 | 2.28 | 14.92 | |||||||||||||
1984 | 0.16 | 0.18 | 1.61 | 1.55 | 0.47 | 1.77 | 1.44 | a | 1.31 | 0.56 | 3.08 | 0.17 | a | 0.32 | 12.62 | |||||||||||
1985 | 0.37 | 0.08 | a | 0.93 | 1.75 | 0.89 | 0.92 | 1.54 | 0.00 | 1.67 | 2.25 | 1.55 | 0.58 | 12.53 | ||||||||||||
1986 | 0.06 | 0.17 | 0.28 | 0.82 | 1.20 | 0.59 | 0.54 | 0.60 | 1.55 | 0.79 | 1.51 | 0.56 | 8.67 | |||||||||||||
1987 | 0.28 | a | 1.16 | a | 2.12 | 0.41 | 1.70 | 0.11 | 1.09 | 1.21 | 0.33 | 0.69 | 1.24 | 0.88 | 11.22 | |||||||||||
1988 | 0.93 | 0.30 | 0.43 | 0.87 | 1.42 | 0.32 | 0.47 | 1.27 | 0.94 | 0.00 | 1.21 | 0.17 | 8.33 | |||||||||||||
1989 | 0.64 | 1.11 | 0.26 | 0.02 | 0.08 | 0.30 | 0.34 | 1.98 | 0.41 | 0.45 | 0.00 | 0.12 | 5.71 | |||||||||||||
1990 | 0.28 | 0.63 | 1.17 | 0.47 | 0.11 | 0.21 | 0.77 | 0.23 | 0.64 | 0.91 | 1.00 | 0.64 | 7.06 | |||||||||||||
1991 | 0.85 | 0.01 | 0.84 | 1.00 | 0.28 | 0.16 | 0.36 | 0.88 | 1.36 | 1.33 | 0.93 | 0.38 | 8.38 | |||||||||||||
1992 | 0.24 | c | 0.33 | 1.80 | 0.26 | 3.00 | 0.20 | 1.16 | 0.28 | 0.11 | 0.59 | 1.24 | 0.32 | 9.53 | ||||||||||||
1993 | 1.20 | 1.06 | 1.61 | 1.09 | 2.11 | 0.09 | 0.08 | 2.01 | 0.61 | 1.48 | 0.74 | 0.32 | 12.40 | |||||||||||||
1994 | 0.24 | 0.19 | a | 0.18 | 1.44 | 0.09 | 0.08 | 0.00 | 0.57 | 1.21 | 0.97 | 0.72 | 0.53 | 6.22 | ||||||||||||
1995 | 0.52 | a | 0.26 | 1.76 | 0.91 | 2.53 | 1.29 | 0.91 | 0.43 | 0.98 | 0.19 | 0.17 | 0.32 | 10.27 | ||||||||||||
1996 | 0.36 | a | 1.21 | a | 0.39 | 0.93 | 0.84 | 0.63 | 0.70 | 0.02 | 1.29 | 1.11 | 1.00 | 0.37 | 8.85 | |||||||||||
1997 | 0.31 | 0.13 | 0.42 | 2.55 | 1.54 | 0.42 | 2.08 | 1.83 | 3.38 | 1.02 | 1.06 | 0.10 | 14.84 | |||||||||||||
1998 | 0.38 | 0.34 | 0.87 | 0.87 | 0.13 | 0.65 | 1.29 | 0.23 | 0.90 | 1.52 | 0.57 | 0.36 | 8.11 | |||||||||||||
1999 | 0.14 | 0.19 | 0.12 | 2.12 | 0.84 | 0.71 | 1.80 | 1.35 | 0.82 | 0.04 | 0.18 | 0.28 | 8.59 | |||||||||||||
2000 | 1.11 | 0.63 | 1.27 | 0.24 | 0.44 | 0.26 | 0.37 | 0.71 | 1.03 | 1.21 | 0.50 | 0.38 | 8.15 | |||||||||||||
2001 | 0.47 | 0.63 | 1.94 | 0.53 | 0.89 | 0.00 | 1.15 | 0.94 | 0.33 | 0.49 | 0.79 | 0.30 | 8.46 | |||||||||||||
2002 | 0.23 | 0.15 | 0.55 | 0.37 | 0.37 | 0.00 | 0.43 | 1.43 | 2.05 | 0.61 | 0.74 | 0.08 | 7.01 | |||||||||||||
2003 | 0.37 | 0.75 | 0.23 | 0.25 | 1.17 | 0.46 | 0.05 | 0.15 | 1.43 | 0.22 | 0.81 | 0.39 | 6.28 | |||||||||||||
2004 | 0.38 | 0.91 | 0.00 | a | 3.30 | 0.29 | 0.12 | 0.03 | a | 0.21 | a | 2.01 | 0.69 | 2.20 | 0.32 | 10.46 | ||||||||||
2005 | 1.07 | 0.47 | 0.58 | 0.63 | 0.20 | 1.89 | 1.07 | 0.69 | a | 2.32 | 1.41 | 0.19 | 0.62 | 11.14 | ||||||||||||
2006 | 0.45 | 0.01 | 0.76 | 0.49 | 0.41 | 0.08 | 0.65 | 1.05 | 1.89 | 3.21 | 0.47 | 0.32 | 9.79 | |||||||||||||
2007 | 0.38 | 0.34 | 0.59 | 1.00 | 0.46 | 0.57 | 0.33 | 0.86 | 1.81 | 0.61 | 0.03 | 1.46 | 8.44 | |||||||||||||
2008 | 0.66 | 0.69 | 0.39 | 1.14 | 0.67 | 0.46 | 0.15 | 0.87 | 0.45 | 0.31 | 0.98 | 0.75 | 7.52 | |||||||||||||
2009 | 0.29 | 0.36 | 0.55 | 0.78 | 1.58 | 1.11 | 0.71 | 0.10 | 0.31 | 0.42 | 0.05 | 1.16 | 7.42 | |||||||||||||
2010 | 0.44 | 0.73 | a | 1.53 | 1.13 | f | 0.87 | i | 0.58 | b | 0.33 | b | 1.98 | e | 0.92 | 1.72 | h | 0.35 | g | 0.42 | b | 6.93 | d | |||
2011 | 0.09 | e | 0.32 | d | 0.48 | d | 0.80 | h | 1.01 | m | 0.28 | c | 1.19 | c | 1.01 | 1.04 | 1.15 | g | 0.66 | 0.61 | 5.68 | c | ||||
2012 | 0.32 | 0.44 | 0.09 | 0.29 | c | 0.08 | 0.08 | 0.22 | f | 0.37 | 0.68 | 0.25 | 0.38 | b | 0.75 | h | 2.98 | b | ||||||||
2013 | 0.46 | h | 0.25 | h | 0.87 | j | 0.89 | h | 1.06 | e | 0.02 | a | 1.64 | h | 1.41 | h | 2.72 | j | 1.53 | g | 1.13 | l | 0.60 | g | 1.08 | j |
2014 | 0.55 | i | 1.04 | f | 0.10 | g | 0.68 | d | 1.77 | S | 0.03 | f | 0.62 | e | 1.74 | f | 1.81 | f | 0.55 | d | 0.22 | h | 0.83 | g | 3.62 | h |
2015 | 0.51 | S | 0.45 | S | 0.22 | e | 2.02 | d | 2.49 | f | 1.05 | d | 1.93 | e | 1.73 | e | 0.70 | e | 2.01 | S | 1.44 | d | 0.62 | d | 12.68 | a |
2016 | 0.59 | f | 0.97 | d | 0.71 | d | 1.12 | S | 1.36 | f | 0.18 | d | 1.11 | f | 1.28 | d | 0.57 | e | 0.19 | d | 0.93 | g | 0.34 | S | 5.02 | e |
2017 | 0.59 | e | 0.42 | d | 0.42 | d | 0.51 | e | 0.56 | e | 0.01 | d | 1.09 | e | 0.53 | h | 0.86 | S | 0.41 | c | 0.05 | c | 0.01 | 4.07 | b | |
2018 | 0.45 | 1.21 | 0.52 | c | 0.54 | c | 0.28 | b | 0.10 | b | 0.23 | c | 1.15 | b | 0.00 | b | 3.43 | c | 0.03 | a | 0.61 | S | 8.55 | |||
2019 | 0.52 | c | 0.71 | b | 2.02 | d | 1.28 | d | 1.29 | e | 1.06 | e | 0.20 | d | 0.12 | b | 0.02 | e | 0.05 | d | 0.84 | b | 0.31 | k | 8.11 | a |
2020 | 0.48 | e | 0.04 | S | 1.40 | e | 0.26 | d | 0.13 | g | 0.37 | d | 0.07 | e | 0.03 | e | 1.05 | e | 0.50 | S | 0.03 | h | 0.34 | d | 4.54 | b |
2021 | 0.45 | a | 0.31 | b | 0.26 | d | 0.39 | d | 0.52 | f | 0.28 | d | 1.05 | S | 0.94 | e | 1.66 | e | 1.29 | f | 0.13 | d | 0.79 | S | 5.47 | c |
2022 | 0.23 | d | 0.27 | 0.40 | 0.18 | 0.22 | 0.13 | 0.51 | 1.54 | 1.14 | 2.58 | c | 0.71 | 1.20 | 9.11 | |||||||||||
2023 | 0.70 | a | 0.49 | 1.20 | a | 0.68 | b | 0.04 | 0.36 | 0.03 | 0.91 | 0.16 | 0.58 | a | 0.54 | g | 0.33 | a | 5.48 | a | ||||||
2024 | 0.07 | a | 0.41 | 0.81 | 0.12 | c | 0.18 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.41 | h | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.46 | 0.47 | 0.84 | 0.81 | 0.91 | 0.48 | 0.71 | 0.86 | 0.92 | 0.96 | 0.70 | 0.58 | 8.88 | |||||||||||||
S.D. | 0.29 | 0.37 | 0.65 | 0.63 | 0.73 | 0.49 | 0.51 | 0.65 | 0.70 | 0.85 | 0.55 | 0.44 | 2.39 | |||||||||||||
SKEW | 1.22 | 0.73 | 0.63 | 1.57 | 0.75 | 1.37 | 0.58 | 1.07 | 1.25 | 1.40 | 1.30 | 1.66 | 1.10 | |||||||||||||
MAX | 1.40 | 1.34 | 2.41 | 3.30 | 3.00 | 1.89 | 2.08 | 3.22 | 3.38 | 3.43 | 2.77 | 2.28 | 15.02 | |||||||||||||
MIN | 0.06 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.71 | |||||||||||||
YRS | 57 | 59 | 59 | 59 | 54 | 60 | 59 | 58 | 59 | 58 | 55 | 55 | 46 |