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 | ----- | z | ----- | z | ----- | z | 0.00 | l |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.07 | a | 1.37 | 1.44 | j | |
1959 | 0.90 | 0.21 | 2.08 | 0.33 | 4.36 | 1.24 | 1.34 | 1.22 | 1.32 | 1.81 | 0.05 | 0.05 | 14.91 | |||||||||||||
1960 | 0.72 | 1.23 | 0.41 | 1.87 | 7.67 | 2.61 | 1.84 | 1.25 | 0.67 | 0.88 | 0.09 | 0.59 | 19.83 | |||||||||||||
1961 | 0.00 | 0.15 | 2.25 | 1.60 | 3.96 | 2.78 | 5.11 | 0.50 | 1.85 | 0.31 | 0.39 | 0.07 | 18.97 | |||||||||||||
1962 | 0.19 | 0.22 | 1.01 | 0.36 | 3.87 | 5.82 | 5.24 | 2.34 | 0.40 | 0.75 | 0.40 | 0.44 | 21.04 | |||||||||||||
1963 | 0.95 | 0.70 | 0.94 | 0.77 | 3.48 | 1.11 | 3.55 | 2.27 | 2.75 | 1.86 | 0.34 | 0.12 | 18.84 | |||||||||||||
1964 | 0.00 | 0.37 | 0.42 | 3.31 | 0.40 | 3.11 | 1.69 | 0.46 | 0.09 | 0.16 | 0.12 | 0.11 | 10.24 | |||||||||||||
1965 | 0.31 | 0.91 | 0.32 | 0.27 | 3.19 | 6.28 | 4.07 | 0.91 | 3.30 | 2.00 | 0.00 | 0.96 | 22.52 | |||||||||||||
1966 | 0.61 | 0.34 | 0.48 | 1.38 | 0.71 | 4.11 | 3.41 | 2.11 | 3.61 | 0.65 | 0.40 | 0.23 | 18.04 | |||||||||||||
1967 | 0.25 | 0.00 | 0.24 | 1.59 | 5.11 | 7.84 | 2.59 | 0.74 | 0.73 | 0.45 | 0.70 | 1.28 | 21.52 | |||||||||||||
1968 | 0.07 | 0.44 | 0.32 | 0.81 | 3.41 | 2.28 | 1.66 | 5.07 | 0.06 | 0.44 | 0.28 | 0.52 | 15.36 | |||||||||||||
1969 | 0.45 | 0.35 | 0.15 | 0.90 | 8.70 | 3.61 | 2.49 | 1.67 | 0.04 | 3.58 | 0.38 | 0.16 | 22.48 | |||||||||||||
1970 | 0.26 | 0.00 | 1.03 | 1.97 | 3.12 | 4.80 | 1.96 | 0.12 | 1.11 | 0.47 | 0.68 | 0.25 | 15.77 | |||||||||||||
1971 | 0.46 | 1.20 | 1.98 | 2.71 | 3.71 | 2.54 | 3.40 | 1.28 | 2.10 | 1.42 | 0.36 | 0.12 | 21.28 | |||||||||||||
1972 | 0.25 | 0.09 | 0.08 | 1.95 | 2.20 | 3.13 | 2.88 | 3.57 | 0.64 | 0.64 | 2.40 | 0.34 | 18.17 | |||||||||||||
1973 | 0.68 | 0.12 | 3.09 | 2.50 | 3.05 | 2.26 | 2.54 | 0.23 | 4.75 | 1.10 | 0.54 | 0.89 | 21.75 | |||||||||||||
1974 | 0.25 | 0.67 | 0.91 | 0.76 | 0.47 | 3.25 | 3.19 | 0.38 | 0.31 | 0.00 | 0.17 | 0.24 | 10.60 | |||||||||||||
1975 | 0.27 | 0.22 | 1.34 | 1.13 | 7.34 | 1.37 | 1.58 | 1.09 | 0.61 | 0.20 | 1.22 | 0.54 | 16.91 | |||||||||||||
1976 | 0.83 | 0.29 | 0.42 | 2.60 | 2.98 | 0.98 | 1.13 | 1.91 | 0.76 | 0.40 | 0.10 | 0.01 | 12.41 | |||||||||||||
1977 | 0.36 | 0.07 | 3.12 | 5.02 | 3.58 | 2.95 | 1.47 | 3.04 | 0.28 | 0.02 | 0.48 | 0.18 | 20.57 | |||||||||||||
1978 | 0.50 | 1.08 | 0.26 | 1.27 | 2.94 | 0.51 | 2.07 | 0.88 | 0.19 | 0.50 | 0.63 | 0.97 | 11.80 | |||||||||||||
1979 | 0.58 | 0.00 | 2.01 | 1.62 | 3.16 | 3.16 | 3.29 | 1.24 | 0.33 | 0.72 | 1.67 | 0.33 | 18.11 | |||||||||||||
1980 | 0.62 | 0.49 | 2.18 | 1.48 | 2.59 | 2.44 | 1.71 | 0.78 | 0.18 | 0.32 | 0.27 | 0.03 | 13.09 | |||||||||||||
1981 | 0.30 | 0.11 | 3.17 | 2.83 | 6.04 | 1.23 | 2.99 | 2.03 | 0.20 | 1.13 | 0.93 | 0.21 | 21.17 | |||||||||||||
1982 | 0.25 | a | 0.16 | 1.42 | 0.73 | 3.60 | 7.37 | p | 3.45 | 2.36 | 1.37 | 0.19 | 1.02 | 1.13 | 15.68 | a | ||||||||||
1983 | 0.05 | 0.06 | 3.64 | 1.56 | 2.50 | 5.82 | 2.20 | 1.29 | 0.03 | 0.61 | 2.16 | 0.40 | 20.32 | |||||||||||||
1984 | 0.39 | 1.58 | 0.67 | 3.63 | 1.22 | 1.31 | 1.50 | 0.47 | 0.65 | 2.12 | 0.04 | 0.84 | 14.42 | |||||||||||||
1985 | 0.49 | 0.26 | 0.38 | 2.15 | 2.67 | 0.48 | 4.47 | 0.92 | 2.45 | 0.46 | 1.06 | 1.20 | 16.99 | |||||||||||||
1986 | 0.08 | 0.93 | 0.60 | 3.85 | 2.73 | 2.64 | 1.26 | 0.90 | 1.73 | 1.73 | 0.43 | 0.44 | 17.32 | |||||||||||||
1987 | 0.16 | b | 2.57 | 1.40 | 0.40 | 7.14 | 3.34 | 2.36 | 1.66 | 1.75 | 0.34 | 1.46 | 0.80 | 23.38 | ||||||||||||
1988 | 1.81 | 0.14 | b | 0.97 | 1.73 | 6.79 | 0.87 | 3.58 | 1.40 | 1.08 | 0.03 | 0.13 | 0.13 | 18.66 | ||||||||||||
1989 | 0.63 | 0.63 | 0.57 | 0.57 | 2.31 | 4.32 | 2.03 | 4.70 | 1.61 | 0.38 | 0.13 | 0.32 | 18.20 | |||||||||||||
1990 | 1.10 | 0.06 | 1.35 | 1.23 | 2.52 | 0.44 | 5.27 | 1.78 | 1.88 | 1.05 | 1.41 | 0.00 | a | 18.09 | ||||||||||||
1991 | 0.21 | 0.50 | 1.13 | 0.55 | 4.44 | 3.55 | 1.21 | 1.28 | 2.03 | 1.36 | 1.41 | 0.03 | 17.70 | |||||||||||||
1992 | 1.26 | 0.65 | 2.58 | 0.22 | 0.56 | 9.21 | 2.16 | 3.45 | 0.71 | 0.90 | 0.62 | 0.22 | 22.54 | |||||||||||||
1993 | 0.25 | 1.65 | 0.84 | 1.50 | 2.88 | 2.61 | a | 1.86 | 3.32 | 1.19 | 1.21 | 0.99 | 0.27 | 18.57 | ||||||||||||
1994 | 0.69 | 0.54 | 0.32 | 1.08 | 1.35 | 1.68 | 3.24 | 0.91 | 0.22 | 3.39 | 0.52 | 0.57 | 14.51 | |||||||||||||
1995 | 0.14 | 0.09 | 0.56 | 2.79 | 4.47 | 4.15 | 3.82 | 0.97 | 1.62 | 0.92 | 0.31 | 0.03 | 19.87 | |||||||||||||
1996 | 0.42 | 0.00 | 1.09 | 1.21 | 5.30 | 2.72 | 2.88 | 5.16 | 2.54 | 0.56 | 0.09 | 0.06 | 22.03 | |||||||||||||
1997 | 0.17 | 0.50 | a | 0.41 | 0.85 | 1.80 | 4.33 | 2.07 | 1.59 | 0.64 | 2.76 | 0.00 | 0.68 | 15.80 | ||||||||||||
1998 | 0.03 | 0.66 | 0.13 | 0.78 | 3.14 | 4.14 | 5.83 | 2.11 | 0.24 | 1.65 | 1.63 | 0.32 | 20.66 | |||||||||||||
1999 | 0.10 | 0.28 | 0.43 | 2.97 | 2.39 | 4.33 | 0.44 | 7.44 | 2.83 | 0.09 | 0.11 | 0.26 | 21.67 | |||||||||||||
2000 | 0.68 | 0.65 | 2.56 | 2.88 | 0.26 | 0.13 | 1.47 | 1.98 | 1.96 | 1.68 | 0.50 | 0.11 | 14.86 | |||||||||||||
2001 | 0.68 | 0.49 | 0.78 | 2.89 | 2.90 | 1.23 | 2.47 | 1.70 | 2.10 | 1.27 | 1.48 | 0.00 | 17.99 | |||||||||||||
2002 | 0.08 | 0.11 | 0.39 | 0.34 | 0.49 | 1.27 | 1.45 | 3.57 | 1.13 | 1.80 | 0.27 | 0.00 | 10.90 | |||||||||||||
2003 | 0.17 | 0.55 | 1.99 | 2.40 | 2.66 | 2.56 | 1.32 | 0.73 | 2.69 | 0.00 | 0.30 | 0.36 | 15.73 | |||||||||||||
2004 | 0.08 | 0.30 | 1.14 | 2.04 | 2.35 | 1.70 | 2.97 | 1.61 | 2.14 | 1.13 | 1.11 | 0.11 | 16.68 | |||||||||||||
2005 | 0.23 | 0.20 | 0.81 | 2.26 | 2.50 | 5.22 | 1.58 | 2.71 | 0.10 | 3.23 | 0.20 | 0.25 | 19.29 | |||||||||||||
2006 | 0.52 | 0.26 | 0.75 | 0.72 | 0.49 | 1.62 | 1.39 | 1.92 | 1.55 | 1.44 | 0.13 | 1.71 | 12.50 | |||||||||||||
2007 | 0.46 | 0.22 | 1.09 | 5.68 | 3.53 | 3.93 | 3.32 | 1.24 | 0.96 | 0.84 | 0.08 | 1.03 | 22.38 | |||||||||||||
2008 | 0.01 | 0.24 | 0.44 | 2.20 | 3.19 | 2.96 | 3.75 | 2.69 | 2.28 | 1.65 | 0.37 | 0.31 | 20.09 | |||||||||||||
2009 | 0.20 | 0.62 | 0.24 | 4.12 | 3.25 | 6.84 | 1.63 | 4.04 | 2.26 | 4.14 | 0.23 | 0.57 | 28.14 | |||||||||||||
2010 | 0.00 | 0.60 | 1.33 | 2.25 | 1.54 | 3.21 | 2.05 | 2.67 | 0.21 | 0.79 | 0.38 | 0.57 | 15.60 | |||||||||||||
2011 | 0.23 | 0.65 | p | 0.68 | v | 2.69 | n | 5.19 | p | 1.73 | w | 3.41 | s | 3.80 | v | ----- | z | 1.27 | y | 0.64 | 0.13 | 1.00 | i | |||
2012 | 0.03 | 0.80 | 0.76 | a | 2.07 | 1.29 | 0.58 | 1.88 | 0.08 | 0.69 | 0.82 | 0.10 | 0.43 | 9.53 | ||||||||||||
2013 | 0.56 | 0.79 | 0.46 | 1.69 | 2.04 | a | 2.41 | 2.23 | 0.26 | 2.53 | 0.98 | 0.35 | 0.06 | 14.36 | ||||||||||||
2014 | 0.39 | 0.85 | 0.46 | 0.46 | 2.78 | 5.66 | 0.81 | 2.22 | 1.73 | 0.37 | 0.49 | 0.88 | 17.10 | |||||||||||||
2015 | 0.06 | 0.41 | 0.37 | 3.60 | 7.06 | 2.06 | a | 0.91 | 1.66 | 0.29 | 1.43 | 1.66 | 0.68 | 20.19 | ||||||||||||
2016 | 0.28 | 0.75 | 0.90 | 3.17 | 2.78 | 2.73 | 3.07 | 0.13 | 0.65 | 0.83 | 0.26 | 0.22 | 15.77 | |||||||||||||
2017 | 0.64 | 0.32 | 1.24 | 3.30 | 3.57 | 1.04 | 1.29 | 1.54 | 1.64 | 0.91 | 0.19 | 0.32 | 16.00 | |||||||||||||
2018 | 0.68 | 0.39 | 0.32 | 1.97 | 5.19 | 3.22 | 3.73 | 1.43 | 0.62 | 1.50 | 0.58 | 0.23 | 19.86 | |||||||||||||
2019 | 0.04 | 0.29 | 1.50 | 1.25 | 5.59 | 4.17 | 2.46 | 2.74 | 1.25 | 0.43 | 0.40 | 0.24 | 20.36 | |||||||||||||
2020 | 0.20 | 0.20 | 1.50 | 0.83 | 3.18 | 1.21 | 0.82 | 0.85 | 0.76 | 0.23 | 0.24 | 0.32 | 10.34 | |||||||||||||
2021 | 0.10 | 0.20 | 2.76 | 1.87 | 3.72 | 2.02 | 1.81 | 3.14 | 0.64 | 1.11 | 0.17 | 0.07 | 17.61 | |||||||||||||
2022 | 0.69 | 0.19 | 1.22 | 0.59 | 1.35 | 0.59 | 2.99 | 0.01 | 1.95 | 0.47 | 0.23 | 1.18 | 11.46 | |||||||||||||
2023 | 1.87 | 0.25 | 0.72 | 0.28 | 4.93 | 2.63 | 2.06 | 3.65 | 1.87 | 0.68 | 0.73 | 0.66 | 20.33 | |||||||||||||
2024 | 0.23 | 1.26 | 1.39 | 0.86 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.88 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.41 | 0.48 | 1.10 | 1.81 | 3.29 | 2.93 | 2.47 | 1.87 | 1.29 | 1.05 | 0.56 | 0.43 | 17.67 | |||||||||||||
S.D. | 0.38 | 0.46 | 0.86 | 1.20 | 1.89 | 1.87 | 1.18 | 1.41 | 1.01 | 0.89 | 0.55 | 0.39 | 3.83 | |||||||||||||
SKEW | 1.78 | 2.01 | 1.16 | 0.91 | 0.77 | 1.01 | 0.81 | 1.42 | 0.89 | 1.49 | 1.46 | 1.19 | -0.19 | |||||||||||||
MAX | 1.87 | 2.57 | 3.64 | 5.68 | 8.70 | 9.21 | 5.83 | 7.44 | 4.75 | 4.14 | 2.40 | 1.71 | 28.14 | |||||||||||||
MIN | 0.00 | 0.00 | 0.08 | 0.22 | 0.26 | 0.13 | 0.44 | 0.01 | 0.03 | 0.00 | 0.00 | 0.00 | 9.53 | |||||||||||||
YRS | 66 | 65 | 65 | 64 | 64 | 63 | 64 | 64 | 64 | 64 | 66 | 66 | 63 |