YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 0.69 | 0.17 | 0.78 | ----- | z | |||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 0.29 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | ----- | z | ||||||||
1963 | 0.00 | 1.52 | 0.92 | 0.77 | 0.00 | 0.12 | 0.00 | 0.01 | 0.74 | 0.25 | 1.26 | 0.07 | 1.52 | |||||||||||||
1964 | 1.16 | 0.23 | 0.86 | 0.22 | 0.09 | 0.02 | 0.00 | 0.00 | 0.00 | 0.30 | 0.87 | 0.68 | 1.16 | |||||||||||||
1965 | 0.29 | 0.56 | 0.63 | 1.15 | 0.06 | 0.09 | 0.14 | 0.00 | 0.09 | 0.00 | 2.41 | 1.25 | 2.41 | |||||||||||||
1966 | 0.52 | 1.04 | 0.24 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.12 | 0.36 | 1.19 | 2.54 | 2.54 | |||||||||||||
1967 | 1.68 | 0.00 | 0.61 | 1.25 | 0.05 | 0.14 | 0.00 | 0.00 | 0.00 | 0.00 | 0.93 | 1.28 | 1.68 | |||||||||||||
1968 | 0.30 | 0.17 | 2.46 | 0.74 | 0.10 | 0.12 | 0.05 | 0.00 | 0.00 | ----- | z | 0.43 | 0.67 | ----- | z | |||||||||||
1969 | 2.35 | 1.60 | 0.60 | 0.31 | 0.13 | 0.10 | 0.12 | 0.05 | 0.00 | 0.01 | 0.51 | 0.30 | 2.35 | |||||||||||||
1970 | 0.30 | 0.95 | 0.67 | 0.12 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.05 | 1.37 | 0.85 | 1.37 | |||||||||||||
1971 | 0.39 | 0.45 | 0.23 | 0.92 | 0.67 | 0.05 | 0.00 | 0.00 | 0.03 | 0.55 | 0.18 | 0.94 | 0.94 | |||||||||||||
1972 | 0.00 | 0.20 | 0.00 | 0.19 | 0.17 | 0.22 | 0.00 | 0.00 | ----- | z | 0.28 | 1.40 | 0.87 | ----- | z | |||||||||||
1973 | 0.89 | 1.18 | 0.91 | 0.20 | 0.10 | 0.00 | 0.00 | 0.00 | 0.00 | ----- | z | 0.87 | 0.10 | ----- | z | |||||||||||
1974 | 1.29 | 0.16 | 1.56 | 0.33 | 0.15 | 0.00 | 0.00 | 0.00 | 0.00 | 0.93 | 0.21 | 1.45 | 1.56 | |||||||||||||
1975 | 0.12 | 0.55 | 0.98 | 1.29 | 0.16 | 0.16 | 0.00 | 0.00 | 0.00 | 0.03 | 1.11 | 0.29 | 1.29 | |||||||||||||
1976 | 0.00 | 1.20 | 0.85 | 0.79 | 0.00 | 0.21 | 0.07 | 0.00 | 1.00 | 0.01 | 0.43 | 0.56 | 1.20 | |||||||||||||
1977 | 1.63 | 0.16 | 1.10 | 0.10 | 1.19 | 0.00 | 0.00 | 1.45 | 0.00 | 0.01 | 0.29 | 0.85 | 1.63 | |||||||||||||
1978 | 1.80 | 0.99 | 2.12 | 0.65 | 0.04 | 0.00 | 0.00 | 0.05 | 1.02 | 0.00 | 0.91 | 1.11 | 2.12 | |||||||||||||
1979 | 1.57 | 0.61 | 0.84 | 0.00 | 0.05 | 0.02 | 0.00 | 0.09 | 0.00 | 0.93 | 0.21 | 0.20 | 1.57 | |||||||||||||
1980 | 2.93 | 2.58 | 1.59 | 0.23 | 0.23 | 0.00 | 0.01 | 0.00 | 0.00 | 0.25 | 0.00 | 0.23 | 2.93 | |||||||||||||
1981 | 0.55 | 1.40 | 0.68 | 0.33 | 0.05 | 0.00 | 0.05 | 0.00 | 0.00 | 0.22 | 0.57 | 0.90 | 1.40 | |||||||||||||
1982 | 1.21 | a | 0.79 | 1.42 | 0.65 | 0.07 | 0.12 | 0.00 | 0.00 | 0.42 | 0.11 | 0.96 | 0.90 | 1.42 | a | |||||||||||
1983 | 1.00 | 0.76 | 1.61 | 0.78 | 0.15 | 0.05 | 0.00 | 0.13 | 0.44 | 0.46 | 0.95 | 2.10 | 2.10 | |||||||||||||
1984 | 0.11 | a | 0.03 | 0.02 | 0.29 | 0.00 | 0.04 | 0.05 | 0.07 | 0.05 | 0.03 | a | 0.50 | 1.23 | 1.23 | b | ||||||||||
1985 | 0.29 | 0.44 | 0.36 | 0.25 | 0.00 | 0.04 | 0.00 | 0.00 | 0.60 | 0.08 | 2.15 | 0.62 | 2.15 | |||||||||||||
1986 | 0.78 | 2.49 | 0.97 | 1.01 | 0.00 | 0.00 | 0.08 | 0.00 | 1.22 | 0.63 | t | 1.23 | 0.71 | 2.49 | t | |||||||||||
1987 | 0.75 | 0.50 | 0.44 | 0.35 | 0.06 | ----- | z | 0.21 | 0.12 | 0.07 | 1.00 | ----- | z | 0.96 | a | ----- | z | |||||||||
1988 | 0.74 | 0.60 | 0.18 | 1.15 | 0.00 | 0.00 | 0.00 | a | 0.40 | 0.00 | 0.00 | 0.65 | 0.77 | 1.15 | a | |||||||||||
1989 | 0.32 | 0.34 | 0.66 | 0.05 | 0.06 | 0.00 | 0.00 | a | 0.00 | 0.24 | 0.30 | 0.10 | 0.00 | 0.66 | a | |||||||||||
1990 | 1.18 | 0.86 | 0.16 | 0.38 | 0.67 | 0.34 | 0.00 | 0.09 | 0.05 | ----- | z | 0.44 | 0.21 | ----- | z | |||||||||||
1991 | 0.44 | 3.26 | 2.10 | 0.02 | 0.01 | 0.00 | 0.09 | 0.00 | 0.01 | 0.56 | 0.06 | 0.56 | 3.26 | |||||||||||||
1992 | 1.09 | 1.73 | 0.86 | 0.08 | 0.11 | 0.00 | 0.04 | 0.31 | 0.00 | 0.27 | 0.02 | 1.07 | 1.73 | |||||||||||||
1993 | 2.10 | 1.47 | 0.72 | 0.00 | ----- | z | 0.57 | 0.02 | 0.00 | 0.00 | 0.06 | 0.30 | 0.40 | ----- | z | |||||||||||
1994 | 1.02 | 1.07 | 1.01 | 0.24 | 0.05 | 0.00 | 0.03 | 0.00 | 0.00 | 0.05 | 0.46 | 0.34 | 1.07 | |||||||||||||
1995 | 1.70 | 1.03 | 2.90 | 0.80 | 0.16 | 0.36 | 0.10 | 0.00 | 0.00 | 0.00 | 0.03 | 0.15 | 2.90 | |||||||||||||
1996 | 0.73 | 1.02 | 1.65 | 0.49 | 0.11 | 0.00 | 0.00 | 0.00 | 0.00 | 0.85 | 2.14 | 0.46 | 2.14 | |||||||||||||
1997 | 1.40 | 0.30 | 0.00 | 0.25 | 0.00 | 0.04 | 0.64 | 0.06 | 0.80 | 0.00 | 0.55 | a | 0.43 | 1.40 | a | |||||||||||
1998 | 1.28 | u | 2.02 | h | 0.84 | u | ----- | z | 1.19 | u | 0.07 | 0.10 | 0.00 | 0.18 | 0.12 | 0.62 | 0.31 | ----- | z | |||||||
1999 | 0.63 | 0.54 | a | 0.33 | 0.74 | 0.00 | 0.20 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | a | 0.74 | b | ||||||||||
2000 | 0.18 | 0.95 | 0.50 | b | 0.65 | 0.08 | 0.00 | 0.00 | 0.01 | 0.13 | 0.82 | 0.13 | a | 0.02 | a | 0.95 | d | |||||||||
2001 | 1.27 | 0.74 | 0.60 | 0.82 | 0.17 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.61 | 0.49 | 1.27 | |||||||||||||
2002 | 0.16 | 0.14 | a | 0.33 | 0.28 | 0.04 | 0.02 | 0.00 | 0.00 | 0.26 | 0.02 | 0.75 | 0.93 | 0.93 | a | |||||||||||
2003 | 0.04 | 1.82 | 0.97 | 1.05 | 0.30 | 0.20 | 0.00 | 0.02 | 0.00 | 0.00 | 0.39 | 0.35 | 1.82 | |||||||||||||
2004 | 0.00 | e | 1.34 | a | 0.25 | 0.36 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 1.88 | 0.49 | e | 1.05 | 1.88 | k | |||||||||
2005 | 1.40 | 1.42 | b | 0.45 | a | 0.70 | 0.02 | 0.00 | 0.00 | b | 0.00 | 0.15 | 0.45 | 0.03 | b | 0.14 | a | 1.42 | h | |||||||
2006 | 0.72 | a | 1.25 | e | 0.82 | d | 1.47 | a | 0.55 | 0.01 | 0.03 | 0.05 | 0.00 | 0.50 | 0.03 | 0.56 | a | 1.47 | l | |||||||
2007 | 1.64 | 0.70 | 0.13 | 0.50 | 0.01 | 0.00 | 0.00 | 0.05 | 0.07 | b | 0.03 | 2.00 | 1.12 | 2.00 | b | |||||||||||
2008 | 1.50 | a | 1.13 | 0.05 | 0.01 | 0.26 | 0.00 | 0.00 | 0.00 | 0.00 | 0.11 | b | 0.96 | a | 1.48 | 1.50 | d | |||||||||
2009 | 0.12 | d | 1.30 | 0.15 | 0.01 | 0.10 | 0.09 | a | 0.00 | 0.00 | 0.00 | 0.04 | 0.25 | 1.10 | 1.30 | e | ||||||||||
2010 | 2.01 | a | 0.66 | 0.19 | 1.10 | 0.00 | 0.00 | 0.37 | 0.00 | 0.03 | 2.00 | g | 0.40 | a | 2.97 | 2.97 | i | |||||||||
2011 | 1.24 | g | 0.86 | f | 1.50 | 0.90 | h | 0.68 | i | 0.00 | d | 0.03 | 0.00 | 0.02 | f | 1.60 | 0.80 | d | 0.67 | ----- | z | |||||
2012 | 0.45 | e | 0.44 | f | 0.60 | 0.50 | d | 0.04 | 0.00 | a | 0.01 | 0.01 | 0.02 | 0.28 | 0.16 | 1.65 | 1.65 | p | ||||||||
2013 | 0.60 | 0.30 | 1.22 | 0.02 | 0.40 | 0.00 | 0.01 | 0.00 | 0.00 | 0.64 | 0.49 | 0.26 | 1.22 | |||||||||||||
2014 | 0.11 | 0.90 | 0.97 | 0.22 | 0.00 | 0.00 | 0.00 | 0.08 | 0.00 | 0.00 | 0.34 | 1.01 | 1.01 | |||||||||||||
2015 | 0.26 | 0.48 | 1.09 | 0.16 | 0.76 | 0.13 | 0.57 | 0.00 | 1.15 | 0.26 | 0.51 | 0.44 | 1.15 | |||||||||||||
2016 | 1.28 | 0.52 | 0.74 | 0.21 | 0.13 | 0.00 | 0.00 | 0.00 | 0.12 | 0.01 | 0.95 | 1.11 | 1.28 | |||||||||||||
2017 | 1.56 | 2.87 | 0.10 | 0.03 | 1.25 | 0.02 | 0.03 | 0.02 | 0.04 | 0.00 | 0.01 | 0.00 | 2.87 | |||||||||||||
2018 | 2.09 | 0.34 | 0.70 | 0.05 | 0.09 | 0.00 | 0.25 | 0.00 | 0.00 | 0.57 | 0.74 | 1.00 | 2.09 | |||||||||||||
2019 | 0.78 | 3.01 | 0.46 | 0.35 | 0.38 | 0.08 | 0.01 | 0.00 | 0.04 | 0.00 | 1.47 | 1.42 | 3.01 | |||||||||||||
2020 | 0.38 | 0.34 | 1.35 | 3.18 | 0.01 | 0.14 | 0.00 | 0.00 | 0.00 | 0.17 | 0.43 | 0.75 | 3.18 | |||||||||||||
2021 | 1.49 | 0.08 | 0.65 | 0.07 | 0.06 | 0.02 | 0.43 | 0.11 | 0.09 | 0.57 | 0.00 | 1.56 | 1.56 | |||||||||||||
2022 | 0.57 | 0.45 | 0.71 | 0.14 | 0.01 | 0.01 | 0.00 | 0.00 | 0.39 | 0.06 | 1.02 | 0.66 | 1.02 | |||||||||||||
2023 | 1.86 | 1.47 | 2.24 | 0.13 | 0.34 | 0.08 | 0.00 | 1.18 | 0.20 | 0.14 | 1.15 | 0.41 | 2.24 | |||||||||||||
2024 | ----- | z | 2.23 | 1.09 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.91 | 0.97 | 0.84 | 0.49 | 0.17 | 0.07 | 0.06 | 0.07 | 0.16 | 0.29 | 0.65 | 0.77 | 1.71 | |||||||||||||
S.D. | 0.70 | 0.77 | 0.64 | 0.53 | 0.27 | 0.11 | 0.13 | 0.24 | 0.31 | 0.40 | 0.57 | 0.59 | 0.69 | |||||||||||||
SKEW | 0.60 | 1.21 | 1.11 | 2.46 | 2.58 | 2.39 | 3.09 | 4.82 | 2.23 | 1.99 | 1.15 | 1.33 | 0.70 | |||||||||||||
MAX | 2.93 | 3.26 | 2.90 | 3.18 | 1.25 | 0.57 | 0.64 | 1.45 | 1.22 | 1.88 | 2.41 | 2.97 | 3.26 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.66 | |||||||||||||
YRS | 59 | 59 | 61 | 59 | 59 | 61 | 62 | 63 | 61 | 58 | 62 | 63 | 46 |