YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.61 | f | 0.33 | i | 0.00 | k | |
1953 | 0.03 | 0.63 | 1.77 | 0.10 | 0.09 | 0.08 | 5.85 | 1.06 | e | 0.00 | e | 0.13 | 0.10 | 0.09 | 9.93 | |||||||||||
1954 | 0.90 | a | 0.08 | 2.27 | 0.00 | a | 0.54 | 0.70 | 6.41 | 3.47 | 1.90 | 0.57 | 0.00 | a | 0.00 | 16.84 | ||||||||||
1955 | 2.94 | 0.27 | 0.05 | 0.00 | d | 0.02 | j | 0.05 | 4.33 | e | 5.87 | b | 0.13 | 2.15 | 0.00 | 0.04 | 15.83 | a | ||||||||
1956 | 0.59 | 0.26 | d | 0.00 | 0.07 | 0.03 | 0.67 | 5.79 | 1.37 | 0.01 | 0.25 | 0.05 | a | 0.07 | 9.16 | |||||||||||
1957 | 2.57 | 0.20 | 1.07 | 0.09 | 0.04 | 0.00 | 4.08 | 5.41 | 0.24 | 1.84 | 0.36 | 0.55 | 16.45 | |||||||||||||
1958 | 0.00 | 1.13 | 3.41 | 0.49 | 0.00 | 1.35 | 4.63 | 6.93 | 1.44 | 0.44 | 1.20 | 0.00 | 21.02 | |||||||||||||
1959 | 0.00 | 1.20 | 0.00 | 0.06 | 0.00 | 0.31 | 4.95 | 4.83 | 0.22 | 1.61 | 1.65 | 1.84 | 16.67 | |||||||||||||
1960 | 2.72 | 0.51 | 0.22 | 0.00 | 0.00 | 0.00 | 1.41 | 2.96 | 2.10 | 0.96 | 0.00 | 1.13 | 12.01 | |||||||||||||
1961 | 1.68 | 0.13 | 0.09 | 0.00 | 0.00 | 0.20 | 2.23 | 4.11 | 0.97 | 3.45 | 0.53 | 2.45 | 15.84 | |||||||||||||
1962 | 1.60 | 0.45 | 0.84 | 0.02 | 0.00 | 0.36 | 3.93 | 4.90 | 2.36 | 0.00 | 0.04 | 2.25 | 16.75 | |||||||||||||
1963 | 0.71 | 0.50 | 0.18 | 0.49 | 0.00 | 0.00 | 4.01 | 6.31 | 1.09 | 0.84 | 1.91 | 0.16 | 16.20 | |||||||||||||
1964 | 0.07 | 0.12 | 0.73 | 0.32 | a | 0.00 | 0.34 | 3.37 | 6.99 | 2.89 | 1.21 | 1.16 | 0.28 | 17.48 | ||||||||||||
1965 | 0.15 | 0.61 | 0.23 | 0.34 | 0.02 | 0.01 | 5.37 | 2.45 | 0.40 | 0.06 | 0.24 | 8.14 | 18.02 | |||||||||||||
1966 | ----- | z | 1.99 | 0.02 | 0.00 | 0.02 | 1.09 | 4.53 | 5.95 | 5.33 | 0.22 | 0.48 | 0.28 | 19.91 | a | |||||||||||
1967 | 0.06 | 0.17 | 0.13 | 0.24 | 0.19 | 2.24 | 9.03 | 2.48 | 1.45 | 0.12 | 0.71 | 6.47 | 23.29 | |||||||||||||
1968 | 0.68 | 0.79 | 1.26 | 0.13 | 0.00 | 0.00 | 4.04 | 0.98 | 0.05 | 0.20 | 0.28 | 0.98 | 9.39 | |||||||||||||
1969 | 0.38 | 0.98 | 0.50 | 0.04 | 0.60 | 0.07 | 8.75 | 5.05 | 3.19 | 0.01 | 0.77 | 0.93 | 21.27 | |||||||||||||
1970 | 0.00 | 0.51 | 1.35 | 0.00 | 0.00 | 0.34 | 3.40 | 3.20 | 1.92 | 0.15 | 0.02 | 0.29 | 11.18 | |||||||||||||
1971 | 0.20 | 0.98 | 0.00 | 0.26 | 0.00 | 0.18 | 3.30 | 8.25 | 2.48 | 1.71 | 0.35 | 1.37 | 19.08 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.00 | 0.40 | 1.01 | 3.78 | 2.69 | 1.17 | 4.33 | 1.37 | 0.81 | 15.56 | |||||||||||||
1973 | 0.68 | 3.07 | 2.60 | 0.00 | 0.05 | 0.25 | 5.42 | 0.68 | 0.00 | 0.00 | 1.17 | 0.00 | 13.92 | |||||||||||||
1974 | 1.15 | 0.00 | 0.22 | 0.00 | 0.02 | 0.09 | 5.98 | 1.30 | 2.60 | 2.15 | 0.23 | 0.04 | 13.78 | |||||||||||||
1975 | 0.81 | 0.10 | 0.65 | 0.59 | 0.00 | 0.00 | 6.89 | 2.43 | 4.03 | 0.00 | 0.70 | 0.41 | 16.61 | |||||||||||||
1976 | 0.20 | 1.26 | 0.31 | 1.07 | 0.72 | 0.27 | 7.17 | 1.01 | 2.71 | 0.51 | 0.40 | 0.36 | 15.99 | |||||||||||||
1977 | 3.66 | 0.00 | 0.56 | 0.10 | 0.00 | 0.00 | 4.29 | 3.56 | 1.94 | 8.26 | 0.37 | 1.15 | 23.89 | |||||||||||||
1978 | 1.87 | 2.80 | 2.53 | 0.41 | 0.00 | 1.00 | 3.75 | 1.52 | 1.22 | 2.89 | 3.20 | 3.71 | 24.90 | |||||||||||||
1979 | 3.28 | 0.58 | 1.26 | 0.00 | 1.99 | 0.50 | 3.21 | 1.70 | 0.46 | 0.22 | 0.51 | 0.23 | 13.94 | |||||||||||||
1980 | 0.46 | 1.10 | 0.86 | 0.01 | 0.00 | 0.03 | 0.38 | 9.06 | 1.13 | 0.01 | 0.00 | 0.57 | 13.61 | |||||||||||||
1981 | 1.74 | 0.82 | 2.22 | 0.32 | 1.18 | 0.14 | 6.66 | 3.07 | 2.05 | 2.84 | 0.47 | 0.00 | 21.51 | |||||||||||||
1982 | 1.03 | 0.17 | 0.82 | 0.05 | 0.23 | 0.19 | 3.12 | 5.47 | 1.72 | 0.00 | 0.56 | 5.16 | 18.52 | |||||||||||||
1983 | 1.94 | 1.22 | 3.32 | 0.30 | 0.67 | c | 0.00 | 5.59 | 3.61 | 6.85 | 6.63 | 0.98 | 0.73 | 31.84 | ||||||||||||
1984 | 2.25 | 0.00 | 0.00 | 0.37 | 0.45 | 1.52 | 10.22 | ----- | z | 0.49 | 2.32 | 0.59 | 5.88 | 24.09 | a | |||||||||||
1985 | 2.82 | 1.55 | 0.21 | 2.20 | 0.00 | 0.14 | 5.13 | 2.33 | 3.62 | 2.60 | ----- | z | 0.37 | 20.97 | a | |||||||||||
1986 | 0.04 | 1.49 | 1.04 | 0.00 | 0.51 | 0.72 | 3.92 | 4.92 | 0.67 | 0.24 | a | 0.80 | 2.14 | 16.49 | ||||||||||||
1987 | 1.19 | 2.14 | 0.26 | 1.11 | 0.66 | 0.33 | 2.29 | 5.84 | 1.81 | 0.10 | 0.56 | 2.89 | 19.18 | |||||||||||||
1988 | 1.56 | 0.57 | b | 0.57 | 2.83 | 0.00 | 0.04 | 7.21 | 4.42 | 0.28 | 3.45 | 0.31 | 0.22 | f | 21.24 | a | ||||||||||
1989 | 1.34 | 0.09 | 1.00 | 0.00 | 0.10 | 0.27 | 2.38 | 3.91 | 0.08 | 3.85 | 0.35 | 0.62 | 13.99 | |||||||||||||
1990 | 0.53 | 1.30 | 0.25 | 0.37 | 0.02 | 0.45 | 9.09 | 3.50 | 2.65 | 0.93 | 0.50 | 1.94 | 21.53 | |||||||||||||
1991 | 2.02 | 1.59 | 2.95 | 0.00 | 0.00 | 0.23 | 0.97 | 5.15 | 2.69 | 0.33 | 0.74 | 3.05 | 19.72 | |||||||||||||
1992 | 1.75 | 1.20 | 3.12 | 1.51 | 0.82 | 0.00 | 3.13 | 4.95 | 0.07 | 0.24 | 0.01 | 3.66 | 20.46 | |||||||||||||
1993 | 5.94 | 2.10 | 1.27 | 0.00 | 1.12 | 0.25 | 2.02 | 12.73 | 1.45 | 0.37 | 0.71 | 0.08 | 28.04 | |||||||||||||
1994 | 0.35 | 1.40 | 0.91 | 0.66 | 0.22 | 2.55 | 0.88 | 3.21 | 1.93 | 0.13 | 3.85 | 3.96 | 20.05 | |||||||||||||
1995 | 2.17 | 2.78 | 0.41 | 1.05 | 0.20 | 0.00 | 0.46 | 4.20 | 1.02 | 0.90 | 0.87 | 0.30 | 14.36 | |||||||||||||
1996 | 0.00 | 0.72 | 0.07 | 0.00 | 0.00 | 0.22 | 5.45 | 2.80 | 0.50 | 0.88 | 0.15 | 0.00 | 10.79 | |||||||||||||
1997 | 0.44 | 0.66 | 0.40 | 0.50 | 0.32 | 0.01 | 1.14 | 5.53 | 1.16 | 0.16 | 0.90 | 3.62 | 14.84 | |||||||||||||
1998 | 0.15 | 2.47 | 1.45 | 0.07 | 0.00 | 0.00 | 5.23 | 5.78 | 1.37 | 0.34 | 0.47 | 0.65 | 17.98 | |||||||||||||
1999 | 0.00 | 0.00 | 0.01 | 1.01 | 0.00 | 0.08 | 7.14 | 3.02 | 1.76 | 0.00 | 0.00 | 0.00 | 13.02 | |||||||||||||
2000 | 0.00 | 0.40 | 0.85 | 0.00 | 0.00 | 5.66 | 1.85 | 6.39 | 0.51 | 8.80 | 1.36 | 0.03 | 25.85 | |||||||||||||
2001 | 1.48 | 0.29 | 0.81 | 1.63 | 0.24 | 0.51 | 2.34 | 4.58 | 0.22 | 1.21 | 0.09 | 1.13 | 14.53 | |||||||||||||
2002 | 0.33 | 0.28 | 0.00 | 0.00 | 0.00 | 0.00 | 2.32 | 2.84 | 1.00 | 0.04 | 0.50 | 0.75 | 8.06 | |||||||||||||
2003 | 0.03 | 1.68 | 1.24 | 0.02 | 0.12 | 0.04 | 4.69 | 2.97 | 3.27 | 1.11 | 0.96 | 0.48 | 16.61 | |||||||||||||
2004 | 1.09 | 0.33 | 0.60 | 1.53 | 0.00 | 0.06 | 1.65 | 2.62 | 0.82 | 0.27 | 0.24 | 1.45 | 10.66 | |||||||||||||
2005 | 1.36 | 0.74 | a | 0.13 | 0.10 | 0.31 | 0.47 | 3.38 | b | 4.37 | 0.78 | 0.26 | 0.00 | 0.00 | d | 11.90 | ||||||||||
2006 | 0.00 | 0.09 | 1.00 | 0.02 | 0.00 | 1.64 | 5.55 | 3.92 | n | 0.34 | s | 0.23 | l | 0.00 | p | 0.30 | r | 8.30 | e | |||||||
2007 | 1.51 | 0.01 | 0.35 | 0.13 | e | 0.00 | 0.10 | 5.04 | a | 1.39 | g | 1.31 | i | 0.88 | 0.19 | 1.88 | 10.09 | b | ||||||||
2008 | 0.05 | f | 0.57 | c | 0.15 | d | 0.00 | 0.15 | i | 0.68 | 6.08 | 3.02 | 0.89 | 0.14 | b | 1.12 | 0.31 | b | 12.96 | b | ||||||
2009 | 0.45 | 0.45 | b | 0.07 | a | 0.20 | 0.26 | b | 0.22 | c | 5.43 | 2.28 | 2.07 | 0.44 | 0.01 | 0.40 | 12.28 | |||||||||
2010 | 3.50 | 1.91 | 0.54 | 0.56 | 0.00 | 0.00 | 5.45 | 1.71 | 2.55 | 1.10 | 0.00 | 0.47 | 17.79 | |||||||||||||
2011 | 0.00 | 0.00 | 0.02 | a | 0.07 | 0.00 | a | 0.00 | 1.48 | b | 1.24 | 1.92 | 0.00 | c | 0.62 | 2.60 | 7.95 | |||||||||
2012 | 0.12 | 0.14 | 0.40 | 0.01 | 0.22 | 0.80 | 3.06 | 1.69 | 2.72 | 0.00 | 0.34 | 1.28 | 10.78 | |||||||||||||
2013 | 0.29 | r | 0.70 | a | 0.08 | 0.00 | 0.00 | 0.00 | a | 3.36 | 4.26 | 1.29 | 0.00 | 1.47 | 0.39 | a | 11.55 | a | ||||||||
2014 | 0.02 | a | 0.09 | a | 0.02 | j | 0.03 | 0.00 | 0.00 | 2.29 | c | 5.29 | 6.25 | a | 0.48 | a | 0.50 | c | 1.04 | 15.99 | a | |||||
2015 | 1.74 | 0.32 | 0.26 | 0.61 | 0.02 | 1.94 | 4.29 | 1.68 | a | 1.75 | i | 0.03 | p | 0.38 | d | 0.46 | 11.70 | b | ||||||||
2016 | 1.33 | 0.00 | 0.10 | 0.39 | 0.00 | 1.95 | 4.15 | 5.94 | 3.27 | 0.00 | 0.08 | 1.41 | 18.62 | |||||||||||||
2017 | 1.30 | 0.31 | 0.06 | 0.23 | 0.20 | 0.00 | 9.87 | 0.87 | 0.17 | 0.17 | 0.11 | 0.64 | 13.93 | |||||||||||||
2018 | 0.09 | 2.11 | 0.02 | 0.00 | 0.00 | 0.84 | 3.80 | 3.66 | 1.77 | 3.07 | 0.12 | 0.51 | l | 15.48 | a | |||||||||||
2019 | 0.53 | 2.37 | 1.20 | g | 0.08 | 0.07 | 0.00 | 2.04 | 3.53 | 2.51 | 0.00 | 2.33 | 1.98 | 15.44 | a | |||||||||||
2020 | 0.73 | 1.07 | 1.13 | 0.13 | 0.18 | 0.05 | 3.66 | 2.06 | 0.02 | 0.00 | 0.10 | 0.34 | 9.47 | |||||||||||||
2021 | 1.90 | 0.00 | 0.11 | 0.01 | 0.00 | 0.00 | 10.12 | 4.33 | 1.20 | 0.00 | 0.01 | 1.00 | 18.68 | |||||||||||||
2022 | 0.15 | 0.22 | 0.99 | 0.00 | 0.00 | 2.25 | 4.68 | 4.12 | 1.18 | 3.15 | 0.06 | 1.63 | 18.43 | |||||||||||||
2023 | 1.05 | 1.03 | 0.65 | 0.00 | 0.15 | 0.00 | 1.64 | f | 2.25 | a | 0.25 | 0.33 | 0.17 | 2.21 | 8.09 | a | ||||||||||
2024 | 1.96 | 1.90 | 1.33 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.19 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.09 | 0.83 | 0.78 | 0.32 | 0.19 | 0.50 | 4.41 | 3.86 | 1.62 | 1.17 | 0.60 | 1.35 | 16.50 | |||||||||||||
S.D. | 1.14 | 0.80 | 0.87 | 0.54 | 0.35 | 0.88 | 2.31 | 2.15 | 1.42 | 1.82 | 0.72 | 1.66 | 4.99 | |||||||||||||
SKEW | 1.54 | 1.02 | 1.51 | 2.55 | 2.89 | 3.47 | 0.61 | 1.22 | 1.47 | 2.46 | 2.38 | 2.02 | 0.60 | |||||||||||||
MAX | 5.94 | 3.07 | 3.41 | 2.83 | 1.99 | 5.66 | 10.22 | 12.73 | 6.85 | 8.80 | 3.85 | 8.14 | 31.84 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.68 | 0.00 | 0.00 | 0.00 | 0.00 | 7.95 | |||||||||||||
YRS | 69 | 72 | 70 | 71 | 69 | 71 | 70 | 68 | 68 | 70 | 69 | 68 | 57 |