YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.59 | 8.06 | 2.16 | 0.07 | 0.07 | 0.10 | 11.05 | f | ||||||
1967 | 0.00 | 0.07 | 0.59 | 0.27 | 1.59 | 6.07 | 2.96 | 5.06 | 0.88 | 0.17 | 0.10 | 0.40 | 18.16 | |||||||||||||
1968 | 1.08 | 0.41 | 1.50 | 0.71 | 2.38 | 4.13 | 3.53 | 4.68 | 0.51 | 0.54 | 1.01 | 0.12 | 20.60 | |||||||||||||
1969 | 0.00 | 0.86 | 1.36 | 0.99 | 3.26 | 5.37 | 1.20 | 2.05 | 4.32 | 5.29 | 0.49 | 0.62 | 25.81 | |||||||||||||
1970 | 0.00 | 0.31 | 1.57 | 1.72 | 1.44 | 0.97 | 0.18 | 0.32 | 3.07 | 1.03 | 0.00 | 0.01 | 10.62 | |||||||||||||
1971 | 0.00 | 0.50 | 0.18 | 0.88 | 5.84 | 3.22 | 1.10 | 3.62 | 6.18 | 1.06 | 0.68 | 0.93 | 24.19 | |||||||||||||
1972 | 0.05 | 0.05 | 0.00 | 0.03 | 6.06 | 7.99 | ----- | z | 3.99 | 2.17 | 1.92 | 1.28 | 0.00 | 23.54 | a | |||||||||||
1973 | 1.41 | 0.95 | 2.07 | 1.68 | 1.01 | 0.73 | 3.97 | 0.53 | 1.41 | 0.63 | 0.02 | 0.00 | 14.41 | |||||||||||||
1974 | 0.40 | 0.03 | 0.84 | 0.34 | 2.04 | 0.99 | 0.25 | 8.69 | 5.00 | 4.13 | 0.25 | 1.24 | 24.20 | |||||||||||||
1975 | 0.70 | 1.54 | 0.40 | 1.28 | 1.17 | 2.54 | 6.90 | 1.42 | 1.77 | 0.05 | 0.59 | 0.26 | 18.62 | |||||||||||||
1976 | 0.00 | 0.00 | 0.34 | 1.49 | 0.30 | 1.89 | 2.82 | 1.27 | 3.51 | 1.34 | 0.58 | 0.00 | 13.54 | |||||||||||||
1977 | 0.36 | 0.35 | 0.60 | 3.13 | 4.45 | 2.21 | 0.87 | 4.41 | 0.75 | 1.50 | 0.00 | 0.05 | 18.68 | |||||||||||||
1978 | 0.52 | 1.25 | 0.03 | 0.28 | 2.23 | 2.90 | 1.35 | 0.71 | 2.11 | 0.72 | 2.24 | 0.08 | b | 14.42 | ||||||||||||
1979 | 0.65 | 0.48 | 1.58 | 1.36 | 2.54 | 5.58 | 4.34 | 3.77 | 1.12 | 0.98 | 0.07 | 0.78 | a | 23.25 | ||||||||||||
1980 | 0.45 | b | 0.33 | 0.30 | 0.89 | 1.92 | 0.46 | 0.22 | 0.53 | 4.45 | 0.61 | 1.69 | 0.28 | 12.13 | ||||||||||||
1981 | 0.32 | 0.20 | 0.63 | 1.59 | 0.61 | 2.18 | 5.37 | 5.65 | 1.64 | 4.86 | 0.57 | 0.18 | 23.80 | |||||||||||||
1982 | 0.18 | 0.32 | 0.29 | 0.85 | 2.29 | 3.70 | 1.91 | 0.27 | 0.61 | 0.22 | 1.65 | 1.74 | a | 14.03 | ||||||||||||
1983 | 1.94 | 0.96 | 0.00 | 0.62 | 2.24 | 1.75 | 1.22 | 0.74 | 0.83 | 5.22 | 0.70 | 0.33 | 16.55 | |||||||||||||
1984 | 0.08 | 0.02 | 0.42 | 0.03 | 2.04 | 5.39 | 4.13 | 3.00 | 0.90 | 2.44 | 1.45 | 1.77 | 21.67 | |||||||||||||
1985 | 0.71 | 0.13 | 1.32 | 0.11 | 4.55 | 4.93 | 1.07 | 1.56 | 5.58 | 4.50 | 0.46 | 0.39 | 25.31 | |||||||||||||
1986 | ----- | z | 0.70 | 0.28 | c | 1.18 | 1.74 | 3.90 | 2.45 | 3.49 | a | 3.47 | a | 3.33 | 2.47 | 1.84 | 24.85 | a | ||||||||
1987 | 0.22 | 1.13 | 0.25 | 0.11 | 3.61 | 1.99 | 1.42 | 5.35 | 1.68 | 0.52 | 0.22 | 2.14 | 18.64 | |||||||||||||
1988 | 0.07 | 0.21 | 0.33 | 2.02 | 3.83 | 1.90 | 2.78 | 2.45 | 4.17 | 0.03 | 0.30 | 0.22 | 18.31 | |||||||||||||
1989 | 0.16 | 0.88 | 1.21 | 0.00 | 0.35 | 4.55 | 2.12 | 4.88 | 2.06 | 0.00 | 0.00 | 0.30 | 16.51 | |||||||||||||
1990 | 1.16 | 1.53 | 0.95 | 1.07 | 0.39 | 0.26 | 2.08 | 1.90 | 1.55 | 0.23 | 1.21 | 0.27 | 12.60 | |||||||||||||
1991 | 1.32 | 0.16 | 0.09 | 0.00 | 1.12 | 1.82 | 1.96 | 2.75 | 5.49 | 0.28 | 1.01 | 2.77 | 18.77 | |||||||||||||
1992 | 1.28 | 0.99 | 1.38 | 1.37 | 3.47 | 5.30 | 1.25 | 2.27 | 0.91 | 0.00 | 1.13 | 0.62 | 19.97 | |||||||||||||
1993 | 1.84 | 0.34 | 1.29 | ----- | z | 1.32 | 0.81 | 5.02 | 1.67 | 1.16 | 0.92 | 0.33 | 0.72 | 15.42 | a | |||||||||||
1994 | 0.00 | 0.01 | 1.08 | 1.34 | 3.84 | 0.91 | 1.69 | 2.02 | 0.71 | 0.23 | 0.03 | 0.15 | 12.01 | |||||||||||||
1995 | 0.13 | 0.04 | 0.34 | 0.90 | 2.72 | 0.58 | 0.42 | 1.45 | 3.79 | 0.76 | 0.28 | ----- | z | 11.41 | a | |||||||||||
1996 | 0.11 | 0.00 | b | 0.00 | 0.00 | 0.93 | 4.51 | 6.20 | 5.82 | 0.42 | 0.06 | 0.68 | 0.00 | a | 18.73 | |||||||||||
1997 | 0.34 | d | 0.97 | 0.00 | a | 4.64 | 1.87 | 3.33 | 2.97 | 1.79 | 2.02 | v | 0.80 | x | 0.54 | y | 1.20 | b | 17.11 | c | ||||||
1998 | 0.00 | 1.38 | 1.52 | 0.41 | 0.36 | 0.54 | 0.56 | 3.45 | 0.45 | 5.39 | 0.87 | 0.38 | 15.31 | |||||||||||||
1999 | 2.13 | a | 0.07 | 2.57 | 4.52 | 2.30 | 8.54 | 2.69 | w | 3.58 | 1.93 | 0.51 | 0.00 | 0.90 | 27.05 | a | ||||||||||
2000 | 0.00 | 0.00 | 2.24 | 0.63 | 0.03 | 5.80 | 0.42 | 1.07 | 0.00 | 2.19 | 1.65 | 1.02 | a | 15.05 | ||||||||||||
2001 | 1.10 | a | 0.65 | 1.94 | 0.00 | 3.53 | 0.54 | 0.09 | 0.75 | 2.33 | 0.30 | 2.52 | 0.13 | 13.88 | ||||||||||||
2002 | 0.90 | a | 0.64 | 2.04 | 0.10 | 0.26 | 1.62 | 0.78 | 2.69 | 0.29 | 3.20 | t | 0.41 | 0.77 | 10.50 | a | ||||||||||
2003 | 0.12 | 0.19 | 0.23 | 0.05 | 0.82 | 8.21 | 0.00 | 1.38 | 0.88 | 0.51 | 0.37 | 0.00 | 12.76 | |||||||||||||
2004 | 1.57 | 2.87 | 1.41 | 3.98 | 0.75 | 4.06 | 2.49 | 2.69 | 5.34 | 3.00 | 5.25 | 0.69 | 34.10 | |||||||||||||
2005 | 0.98 | a | 0.88 | a | 0.53 | 0.35 | 4.19 | 0.93 | 2.08 | 3.82 | 0.82 | 1.05 | 0.10 | 0.13 | 15.86 | |||||||||||
2006 | 0.02 | 0.15 | 1.87 | 0.94 | 2.39 | 0.55 | 5.72 | 4.11 | 4.45 | 1.96 | 0.42 | 2.01 | 24.59 | |||||||||||||
2007 | 1.09 | 0.25 | 4.94 | 1.47 | 3.94 | 4.81 | 0.72 | 0.59 | 2.61 | 0.00 | 0.50 | 1.23 | 22.15 | |||||||||||||
2008 | 0.00 | a | 0.61 | 0.00 | 1.08 | 2.38 | 2.52 | 3.72 | 3.19 | 5.35 | 2.54 | 0.06 | 0.18 | 21.63 | ||||||||||||
2009 | 0.06 | 0.51 | 0.53 | 0.71 | 1.06 | 4.99 | 3.36 | 0.55 | 0.96 | 1.11 | 0.15 | 1.57 | 15.56 | |||||||||||||
2010 | 1.22 | 2.16 | 2.77 | 2.05 | a | 2.65 | 1.35 | 4.15 | 1.14 | 0.90 | a | 0.71 | 0.45 | 0.00 | 19.55 | |||||||||||
2011 | 0.00 | 0.29 | 0.63 | 0.00 | 0.10 | 0.00 | 2.05 | 0.08 | 2.18 | 1.29 | 0.09 | 2.59 | 9.30 | |||||||||||||
2012 | 0.00 | 0.72 | 0.54 | 0.95 | 1.14 | b | 1.68 | a | 0.84 | 1.77 | 1.41 | 0.11 | 0.00 | 0.96 | 10.12 | |||||||||||
2013 | 0.63 | 1.26 | 0.52 | 0.00 | 0.15 | 4.07 | 6.35 | 4.86 | 0.74 | 0.45 | 1.04 | 0.22 | 20.29 | |||||||||||||
2014 | 0.00 | 0.13 | 0.23 | 0.03 | 4.31 | 3.58 | 2.74 | 0.98 | 5.68 | 0.29 | 1.26 | 0.18 | 19.41 | |||||||||||||
2015 | 1.47 | 1.16 | 0.65 | 1.31 | 4.45 | 2.97 | 2.32 | 2.28 | 1.31 | 5.45 | 0.65 | 1.06 | 25.08 | |||||||||||||
2016 | 0.23 | 0.07 | 0.07 | 1.06 | 3.36 | 4.41 | 0.46 | 4.52 | 4.79 | 0.78 | 1.21 | 0.39 | 21.35 | |||||||||||||
2017 | 1.56 | 0.62 | 1.00 | 1.45 | 0.29 | 1.60 | 4.05 | 2.69 | 3.62 | 0.55 | 0.00 | 0.00 | 17.43 | |||||||||||||
2018 | 0.00 | 0.41 | 0.44 | 0.03 | 0.03 | 1.44 | 1.12 | 4.35 | 3.47 | 3.28 | 0.18 | 1.09 | 15.84 | |||||||||||||
2019 | 0.01 | 0.10 | 0.99 | 1.66 | 5.81 | 3.74 | 1.61 | 0.97 | 4.12 | 1.39 | 0.66 | a | 0.51 | 21.57 | ||||||||||||
2020 | 0.23 | 0.61 | 2.60 | 0.00 | 0.39 | 0.75 | 0.98 | a | 1.07 | 0.90 | 0.65 | 0.45 | 0.00 | 8.63 | ||||||||||||
2021 | 1.40 | 0.29 | 0.05 | 0.17 | 4.51 | 3.03 | 2.40 | 1.95 | 0.77 | 1.02 | 0.00 | 0.00 | 15.59 | |||||||||||||
2022 | 0.40 | 0.03 | 0.09 | 0.00 | 3.40 | 1.46 | 1.93 | 3.40 | 1.61 | 1.11 | 0.69 | 0.37 | 14.49 | |||||||||||||
2023 | 0.28 | 0.07 | 0.00 | 0.28 | 7.47 | 1.65 | 1.99 | 0.33 | 3.17 | 2.40 | 0.10 | 0.73 | 18.47 | |||||||||||||
2024 | 0.30 | 0.55 | 0.02 | 1.34 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.87 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.55 | 0.56 | 0.89 | 0.97 | 2.34 | 2.94 | 2.27 | 2.66 | 2.36 | 1.46 | 0.71 | 0.64 | 18.07 | |||||||||||||
S.D. | 0.61 | 0.57 | 0.93 | 1.07 | 1.76 | 2.11 | 1.74 | 1.91 | 1.73 | 1.59 | 0.88 | 0.70 | 5.02 | |||||||||||||
SKEW | 0.94 | 1.69 | 1.78 | 1.80 | 0.70 | 0.77 | 0.90 | 0.95 | 0.66 | 1.35 | 2.78 | 1.32 | 0.49 | |||||||||||||
MAX | 2.13 | 2.87 | 4.94 | 4.64 | 7.47 | 8.54 | 6.90 | 8.69 | 6.18 | 5.45 | 5.25 | 2.77 | 34.10 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.00 | 0.00 | 8.63 | |||||||||||||
YRS | 57 | 58 | 58 | 56 | 57 | 57 | 56 | 58 | 57 | 56 | 57 | 57 | 50 |