YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.03 | e | 0.03 | k |
1957 | 0.27 | a | 0.14 | 1.99 | S | 0.83 | a | 1.32 | a | 0.68 | 0.07 | 0.04 | 0.38 | 1.92 | 0.34 | 0.87 | 8.85 | |||||||||
1958 | 1.89 | b | 2.12 | a | 1.03 | f | 0.92 | 0.00 | a | 0.30 | 0.35 | 0.09 | 0.03 | 0.15 | a | 1.08 | a | 1.71 | a | 8.64 | a | |||||
1959 | 2.06 | b | 1.23 | 0.38 | 0.09 | 0.17 | 0.43 | 0.00 | 0.00 | 0.61 | 0.41 | 0.27 | a | 0.32 | 5.97 | |||||||||||
1960 | 0.53 | 0.83 | 0.62 | 1.41 | 0.18 | 0.04 | 0.00 | 0.20 | 0.15 | 0.07 | 0.98 | 0.78 | 5.79 | |||||||||||||
1961 | 0.22 | 1.53 | 1.55 | 0.74 | 1.08 | 0.24 | 0.02 | 0.75 | 0.00 | 0.23 | 0.59 | 0.86 | 7.81 | |||||||||||||
1962 | 0.07 | 1.16 | 0.33 | 0.61 | 0.98 | 0.08 | 0.01 | 0.17 | 0.30 | 1.09 | 1.00 | 0.71 | 6.51 | |||||||||||||
1963 | 0.03 | 1.08 | 0.60 | 1.26 | 0.30 | 0.06 | 0.30 | 0.00 | 0.17 | 0.00 | 1.30 | 1.27 | 6.37 | |||||||||||||
1964 | 0.50 | 0.00 | 0.06 | 0.30 | 0.00 | 0.74 | 0.02 | 0.22 | 0.03 | 0.32 | 0.77 | 2.47 | 5.43 | |||||||||||||
1965 | 0.72 | 0.32 | 0.06 | 0.23 | 0.03 | 0.43 | 0.73 | 0.42 | 0.08 | 0.02 | 2.08 | 1.06 | 6.18 | |||||||||||||
1966 | 0.73 | 0.07 | 0.89 | 0.03 | 0.01 | 0.39 | 0.96 | 0.00 | 0.55 | 0.66 | 2.05 | 1.09 | 7.43 | |||||||||||||
1967 | 0.24 | 0.00 | 1.27 | 1.01 | 0.27 | 1.13 | 0.00 | 0.00 | 0.14 | 0.17 | 0.32 | 0.76 | 5.31 | |||||||||||||
1968 | 1.47 | 0.62 | 0.02 | 0.07 | 0.04 | 0.06 | 0.08 | 1.18 | 0.17 | 1.04 | 1.45 | 1.04 | 7.24 | |||||||||||||
1969 | 1.50 | 0.46 | 0.13 | 0.53 | 0.53 | 0.34 | 0.00 | 0.00 | 0.55 | 0.08 | 0.20 | 2.20 | 6.52 | |||||||||||||
1970 | 2.71 | 0.78 | 0.28 | 0.25 | 0.91 | 0.08 | 0.05 | 0.00 | 0.00 | 0.45 | 0.90 | 1.62 | 8.03 | |||||||||||||
1971 | 0.89 | 0.02 | 1.38 | 0.20 | 0.55 | 0.56 | 0.00 | 0.00 | 1.18 | 0.25 | 0.58 | 0.90 | 6.51 | |||||||||||||
1972 | 0.10 | 0.15 | 0.49 | 0.13 | 1.33 | 0.95 | 0.04 | 0.21 | 0.00 | 0.00 | 0.44 | 0.41 | 4.25 | |||||||||||||
1973 | 0.68 | 0.32 | 0.05 | 0.00 | 0.06 | 0.04 | 0.00 | 0.11 | 0.24 | 1.44 | 2.72 | 2.23 | 7.89 | |||||||||||||
1974 | 1.74 | 0.66 | 1.01 | 0.77 | 0.09 | 0.11 | 0.27 | 0.00 | 0.00 | 0.27 | 0.71 | 1.20 | 6.83 | |||||||||||||
1975 | 1.52 | 1.03 | 0.57 | 0.45 | 0.49 | 0.08 | 0.01 | 0.99 | 0.00 | 0.79 | 0.68 | 0.85 | 7.46 | |||||||||||||
1976 | 0.62 | 0.38 | 0.62 | 0.24 | 0.10 | 0.31 | 0.02 | 0.89 | 0.00 | 0.05 | 0.00 | 0.05 | 3.28 | |||||||||||||
1977 | 0.02 | 0.51 | 0.39 | 0.00 | 0.48 | 0.34 | 0.00 | 1.22 | 1.30 | 0.20 | 0.46 | 2.02 | 6.94 | |||||||||||||
1978 | 1.85 | 1.30 | 0.61 | 0.30 | 0.46 | 0.17 | 0.15 | 0.41 | 0.16 | 0.00 | ----- | z | 0.22 | 5.63 | a | |||||||||||
1979 | 0.49 | 0.48 | 0.54 | 0.08 | 0.07 | 0.00 | 0.10 | 1.01 | 0.22 | 0.70 | 1.27 | 1.11 | 6.07 | |||||||||||||
1980 | 1.07 | 1.40 | 0.29 | 0.67 | 0.98 | 0.99 | 0.00 | 0.00 | 0.70 | 0.19 | 0.54 | 2.01 | 8.84 | |||||||||||||
1981 | 0.78 | 0.39 | 0.12 | 0.02 | 0.59 | 0.43 | 0.21 | 0.00 | 0.58 | 0.58 | 1.42 | 1.26 | 6.38 | |||||||||||||
1982 | 0.11 | b | 0.59 | 0.57 | 0.37 | 0.18 | 0.20 | 0.07 | 0.16 | 1.03 | 1.58 | 0.98 | 1.95 | 7.79 | ||||||||||||
1983 | 1.18 | 1.52 | 1.64 | 0.42 | 0.18 | 0.37 | 0.44 | 0.74 | 0.42 | 0.35 | 2.87 | 1.39 | 11.52 | |||||||||||||
1984 | 0.14 | 1.13 | 0.73 | 0.77 | 0.27 | 0.62 | 0.00 | 0.05 | 1.01 | 0.09 | 2.51 | 0.20 | 7.52 | |||||||||||||
1985 | 0.06 | 0.21 | 0.33 | 0.00 | 0.27 | 0.02 | 0.03 | 0.00 | 0.55 | 0.33 | 0.88 | 0.69 | 3.37 | |||||||||||||
1986 | 1.69 | 0.68 | 0.37 | 0.07 | 0.50 | a | 0.00 | 0.10 | 0.00 | 0.85 | 0.28 | 0.48 | 1.23 | 6.25 | ||||||||||||
1987 | 0.74 | 0.25 | 1.40 | 0.17 | 0.25 | 0.02 | 1.10 | 0.24 | ----- | z | 0.00 | ----- | z | 2.92 | 7.09 | b | ||||||||||
1988 | 0.29 | 0.00 | 0.30 | 1.18 | 0.03 | 0.34 | 0.00 | 0.00 | 0.19 | 0.00 | 1.30 | 0.24 | v | 3.63 | a | |||||||||||
1989 | 0.09 | 0.84 | 1.16 | 1.30 | 0.61 | 0.01 | 0.00 | 0.35 | 0.00 | 0.41 | 0.95 | 0.33 | 6.05 | |||||||||||||
1990 | 1.18 | 0.09 | 0.31 | 0.22 | 0.76 | 0.07 | 0.15 | 0.96 | 0.00 | ----- | z | 0.02 | 0.41 | 4.17 | a | |||||||||||
1991 | 0.00 | c | 0.23 | 1.05 | 0.41 | 0.43 | 2.46 | 0.16 | 0.01 | 0.00 | 0.71 | 0.71 | 0.16 | 6.33 | ||||||||||||
1992 | 0.48 | 0.93 | 0.19 | 1.02 | 0.01 | 0.99 | 0.70 | 0.14 | 0.21 | 0.64 | 1.59 | 1.11 | 8.01 | |||||||||||||
1993 | 0.05 | c | 0.15 | 0.84 | a | 0.62 | 0.37 | 0.42 | 1.19 | 0.02 | 0.12 | 0.03 | 0.03 | 1.66 | 5.50 | |||||||||||
1994 | 0.64 | 1.00 | b | 0.04 | 0.93 | 0.60 | 1.10 | 0.16 | 0.13 | 0.20 | 1.34 | 0.97 | 0.78 | b | 7.89 | |||||||||||
1995 | 1.88 | 0.46 | 1.31 | 2.03 | 0.30 | 0.42 | 0.23 | 0.10 | 0.69 | 0.56 | 1.36 | 2.28 | 11.62 | |||||||||||||
1996 | 0.51 | a | 0.98 | 1.07 | 0.32 | 0.64 | 0.00 | 0.04 | 0.00 | 0.03 | 0.96 | 1.81 | 3.76 | 10.12 | ||||||||||||
1997 | 0.98 | 0.49 | ----- | z | 0.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.55 | 2.22 | h | ||||
1998 | 1.27 | b | 1.43 | 0.69 | 0.07 | 0.75 | 0.30 | 0.38 | 0.06 | 0.04 | ----- | z | 1.26 | 2.24 | 8.49 | a | ||||||||||
1999 | 1.63 | 1.47 | 0.09 | 0.00 | 0.26 | 0.02 | 0.00 | 0.08 | 0.00 | 0.35 | 0.37 | 0.40 | 4.67 | |||||||||||||
2000 | 1.82 | 1.26 | b | 0.74 | 0.00 | 0.46 | a | 0.12 | 0.00 | 0.00 | 0.17 | 0.26 | j | 1.76 | a | 0.44 | a | 6.77 | a | |||||||
2001 | 0.21 | a | 0.34 | 1.05 | 0.68 | a | 0.00 | 1.51 | 0.00 | 0.02 | 0.00 | 0.43 | a | 1.47 | 0.86 | 6.57 | ||||||||||
2002 | 0.69 | 0.70 | 0.07 | 0.48 | 0.19 | 0.62 | 0.12 | 0.01 | 0.00 | 0.36 | 0.51 | 3.29 | a | 7.04 | ||||||||||||
2003 | 2.35 | 0.65 | 0.43 | 2.23 | k | 0.06 | 0.00 | i | 0.00 | e | 0.25 | 0.00 | a | 0.26 | 0.25 | 2.28 | 6.53 | b | ||||||||
2004 | 5.94 | d | 1.23 | 0.46 | 0.25 | b | 0.84 | 0.42 | 0.15 | 0.69 | 0.34 | 0.72 | 0.19 | 0.81 | 12.04 | |||||||||||
2005 | 0.95 | 0.07 | 0.54 | 0.42 | b | 0.79 | 0.14 | 0.32 | 0.00 | j | 0.30 | f | 0.91 | 2.09 | 2.07 | 8.30 | b | |||||||||
2006 | 2.28 | 0.77 | 0.36 | 0.87 | 1.37 | 0.67 | a | 0.07 | 0.00 | 0.32 | 0.50 | 1.25 | 2.85 | 11.31 | ||||||||||||
2007 | 0.08 | 0.84 | 0.74 | 0.33 | 0.43 | 0.37 | 0.21 | 0.10 | 0.29 | 0.29 | 1.20 | 1.43 | a | 6.31 | ||||||||||||
2008 | 1.18 | 0.47 | 0.15 | 0.05 | 0.44 | a | 0.27 | 0.05 | 0.05 | 0.12 | 0.15 | e | 1.26 | 0.88 | 5.07 | |||||||||||
2009 | 1.02 | 0.59 | 1.34 | 0.31 | 0.47 | 0.55 | 0.00 | 0.11 | 0.20 | 0.78 | 0.78 | 0.95 | a | 7.10 | ||||||||||||
2010 | 1.61 | 1.15 | 0.35 | 0.74 | 1.52 | 0.68 | 0.07 | 0.02 | 0.41 | 0.62 | 0.82 | 2.70 | 10.69 | |||||||||||||
2011 | 0.65 | 0.00 | 0.43 | l | 0.36 | 1.38 | a | 0.81 | 0.10 | 0.00 | 0.03 | 0.97 | 0.62 | 0.22 | 5.14 | a | ||||||||||
2012 | 0.83 | a | 0.86 | b | 1.43 | 0.60 | 0.08 | 1.10 | 1.07 | 0.00 | 0.00 | a | 1.02 | 1.10 | 2.20 | 10.29 | ||||||||||
2013 | 0.12 | a | 0.05 | 0.66 | 0.28 | 1.10 | h | 1.17 | b | 0.10 | 0.00 | c | 0.33 | d | 0.20 | 0.37 | 0.03 | g | 3.28 | b | ||||||
2014 | 0.42 | 0.46 | 0.53 | 0.51 | b | 0.08 | c | 0.19 | 0.03 | 0.40 | b | 0.19 | 0.60 | a | 0.44 | 0.97 | 4.82 | |||||||||
2015 | 0.68 | a | 0.51 | 0.93 | 0.05 | 1.60 | a | 0.05 | f | 0.00 | g | 0.00 | b | 0.07 | 0.29 | 0.56 | a | 3.30 | b | 7.99 | b | |||||
2016 | 1.28 | 0.43 | a | 1.68 | a | 0.17 | 0.18 | 0.28 | 0.25 | d | 0.00 | b | 0.05 | d | 2.22 | a | 0.36 | h | 1.39 | d | 7.93 | a | ||||
2017 | 1.39 | 1.28 | g | 1.01 | f | 1.11 | b | 0.19 | d | 0.02 | f | 0.00 | b | 0.10 | b | 0.23 | b | 0.60 | 2.16 | b | 0.18 | 5.96 | c | |||
2018 | 1.24 | d | 0.13 | e | 0.52 | f | 0.84 | b | 0.29 | a | 0.10 | h | 0.00 | a | 0.00 | e | 0.10 | 0.53 | c | 0.75 | c | 0.45 | d | 4.33 | b | |
2019 | 1.45 | h | 1.38 | a | 0.41 | c | 0.84 | a | 0.69 | b | 0.18 | 0.09 | c | 0.36 | 0.37 | a | 0.35 | a | 0.08 | 0.82 | b | 5.57 | a | |||
2020 | 0.73 | a | 0.03 | b | 0.62 | 0.02 | a | 0.38 | a | 0.38 | a | 0.00 | d | 0.00 | b | 0.16 | b | 0.12 | 0.66 | 0.47 | b | 3.57 | ||||
2021 | 1.65 | g | 0.38 | e | 0.07 | h | 0.02 | e | 0.22 | i | 0.13 | 0.00 | d | 0.02 | b | 0.58 | d | 0.37 | m | 0.05 | w | ----- | z | 1.13 | f | |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | d | 0.00 | k | 0.00 | r | 0.17 | b | 1.13 | c | 1.30 | i |
2023 | 0.49 | 0.14 | 0.42 | e | 0.75 | f | 0.33 | c | 0.03 | b | 0.17 | b | 0.35 | 0.19 | 0.09 | 0.87 | 2.01 | a | 5.09 | a | ||||||
2024 | 0.83 | c | 0.81 | 0.69 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.33 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.96 | 0.65 | 0.65 | 0.47 | 0.46 | 0.43 | 0.17 | 0.21 | 0.27 | 0.50 | 0.96 | 1.27 | 7.09 | |||||||||||||
S.D. | 0.92 | 0.49 | 0.48 | 0.43 | 0.42 | 0.45 | 0.28 | 0.32 | 0.31 | 0.48 | 0.67 | 0.89 | 2.13 | |||||||||||||
SKEW | 2.63 | 0.61 | 0.81 | 1.13 | 1.09 | 2.02 | 2.35 | 1.80 | 1.54 | 1.53 | 0.90 | 0.79 | 0.61 | |||||||||||||
MAX | 5.94 | 2.12 | 1.99 | 2.03 | 1.60 | 2.46 | 1.19 | 1.22 | 1.30 | 2.22 | 2.87 | 3.76 | 12.04 | |||||||||||||
MIN | 0.00 | 0.00 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.03 | 3.28 | |||||||||||||
YRS | 65 | 66 | 61 | 64 | 63 | 61 | 64 | 65 | 63 | 61 | 62 | 65 | 47 |