YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.92 | 0.00 | 0.12 | 4.04 | i | |||
1954 | 0.00 | 0.00 | 0.00 | 2.12 | 2.34 | 0.54 | 0.03 | 1.17 | 0.03 | 1.55 | 0.17 | 0.27 | 8.22 | |||||||||||||
1955 | 0.95 | 0.04 | 0.11 | 0.10 | 1.63 | 1.35 | 3.18 | 0.26 | 1.82 | 6.20 | 0.05 | 0.00 | 15.69 | |||||||||||||
1956 | 0.00 | 0.83 | 0.00 | 0.16 | 1.12 | 1.64 | 1.03 | 0.31 | 0.83 | 1.62 | 0.00 | 0.24 | 7.78 | |||||||||||||
1957 | 0.12 | 0.97 | 0.45 | 1.38 | 3.05 | 4.92 | 2.55 | 2.30 | 2.44 | 4.52 | 1.59 | 0.02 | 24.31 | |||||||||||||
1958 | 1.04 | 0.84 | 2.13 | 1.71 | 1.68 | 2.01 | 3.30 | 1.45 | 1.76 | 1.83 | 0.99 | 0.00 | 18.74 | |||||||||||||
1959 | 0.00 | 0.08 | 0.00 | 1.50 | 2.00 | 2.95 | 4.25 | 0.00 | 0.87 | 2.19 | 0.10 | 0.89 | 14.83 | |||||||||||||
1960 | 0.54 | 0.87 | 0.38 | 0.18 | 1.40 | 1.17 | 5.24 | 0.53 | 0.53 | 4.31 | 0.00 | 1.03 | 16.18 | |||||||||||||
1961 | 0.55 | 1.57 | 2.11 | 0.04 | 0.73 | 3.52 | 2.43 | 0.19 | 0.28 | 0.16 | 1.71 | 0.00 | 13.29 | |||||||||||||
1962 | 0.19 | 0.14 | 0.10 | 2.04 | 0.52 | 1.77 | 4.14 | 2.68 | 3.37 | 3.81 | 0.81 | 0.52 | 20.09 | |||||||||||||
1963 | 0.17 | 0.45 | 0.65 | 0.68 | 8.41 | 2.53 | 2.84 | 1.59 | 0.41 | 0.39 | 0.61 | 0.10 | 18.83 | |||||||||||||
1964 | 0.50 | 0.28 | 0.41 | 0.00 | 1.20 | 1.55 | 0.14 | ----- | z | ----- | z | ----- | z | ----- | z | 0.85 | 4.93 | d | ||||||||
1965 | 0.03 | 0.27 | 0.03 | 0.89 | 3.48 | 3.59 | 0.00 | 3.04 | 4.56 | 0.49 | 0.00 | 0.73 | 17.11 | |||||||||||||
1966 | 1.01 | 0.00 | ----- | z | 4.74 | 1.81 | 2.46 | 0.56 | 9.29 | 2.05 | 0.20 | 0.01 | 0.00 | 22.13 | a | |||||||||||
1967 | 0.00 | 0.03 | 0.95 | 1.14 | 0.65 | 9.61 | 3.57 | 0.00 | 1.77 | 0.43 | 0.25 | 0.41 | 18.81 | |||||||||||||
1968 | 2.12 | 0.45 | 3.15 | 0.58 | 2.77 | 2.98 | 2.79 | 4.29 | 0.25 | 0.50 | 2.11 | 0.43 | 22.42 | |||||||||||||
1969 | 0.00 | 1.90 | 2.49 | 2.14 | 3.47 | 1.12 | 2.80 | 3.17 | 3.69 | 6.67 | 0.59 | 0.59 | 28.63 | |||||||||||||
1970 | 0.00 | 0.30 | 3.80 | 0.11 | 1.97 | 1.78 | 0.27 | 1.49 | 1.63 | 1.37 | 0.00 | 0.08 | 12.80 | |||||||||||||
1971 | 0.00 | 0.35 | 0.04 | 1.28 | 3.79 | 0.36 | 1.75 | 3.32 | 4.15 | 1.69 | 0.31 | 0.83 | 17.87 | |||||||||||||
1972 | 0.16 | 0.02 | 0.62 | 0.03 | 5.17 | 5.35 | 4.62 | 5.16 | 6.67 | 2.25 | 0.71 | 0.21 | 30.97 | |||||||||||||
1973 | 1.78 | 2.61 | 1.02 | 0.57 | 2.22 | 0.69 | 4.21 | 0.09 | 1.09 | 0.56 | 0.06 | 0.00 | 14.90 | |||||||||||||
1974 | 0.00 | 0.00 | 1.14 | 0.20 | 1.54 | 1.24 | 0.51 | 7.05 | 8.88 | 4.70 | 0.70 | 0.19 | 26.15 | |||||||||||||
1975 | 0.40 | 1.35 | 0.08 | 0.28 | 2.29 | 1.42 | 4.11 | 1.59 | 2.74 | 0.05 | 1.45 | 0.50 | 16.26 | |||||||||||||
1976 | 0.06 | 0.06 | 0.09 | 1.36 | 0.27 | 1.61 | 7.17 | 0.39 | 3.58 | 1.50 | 0.75 | 0.00 | 16.84 | |||||||||||||
1977 | 0.29 | 0.21 | 0.74 | 1.78 | 0.86 | 4.85 | 0.25 | 2.70 | 0.06 | 0.31 | 0.00 | 0.04 | 12.09 | |||||||||||||
1978 | 0.78 | 1.19 | 0.17 | 0.16 | 2.02 | 3.42 | 0.89 | 1.52 | 3.77 | 1.05 | 1.29 | 0.07 | 16.33 | |||||||||||||
1979 | 0.45 | 0.35 | 1.49 | 0.58 | 2.70 | 4.01 | 2.56 | 2.36 | 0.04 | 0.10 | 0.22 | 1.07 | 15.93 | |||||||||||||
1980 | 0.65 | 0.53 | 0.10 | 0.38 | 3.75 | 2.02 | 0.49 | 0.42 | 7.44 | 0.00 | 1.40 | 0.71 | 17.89 | |||||||||||||
1981 | 0.26 | 0.98 | 0.48 | 1.94 | 2.16 | 2.06 | 3.60 | 3.41 | 2.13 | 4.18 | 0.49 | 0.36 | 22.05 | |||||||||||||
1982 | 0.72 | 0.31 | 1.00 | 0.15 | 8.12 | 2.98 | 3.19 | 0.53 | 1.32 | 0.62 | 1.41 | 1.79 | 22.14 | |||||||||||||
1983 | 2.37 | 0.36 | 0.00 | 1.49 | 0.66 | 1.62 | 1.35 | 0.28 | 0.35 | 8.78 | 1.15 | 0.36 | 18.77 | |||||||||||||
1984 | 0.10 | 0.12 | 0.07 | 0.12 | 1.10 | 10.45 | 0.55 | 4.31 | 1.06 | 3.98 | 1.82 | 1.31 | 24.99 | |||||||||||||
1985 | 0.37 | 0.47 | 0.78 | 0.28 | 3.63 | 3.28 | 1.67 | 0.85 | 4.46 | 4.02 | 0.30 | 0.19 | 20.30 | |||||||||||||
1986 | 0.00 | 0.52 | 0.12 | 0.74 | 4.07 | 5.88 | 2.21 | 2.86 | 2.90 | 1.86 | 2.03 | 2.37 | 25.56 | |||||||||||||
1987 | 0.20 | 1.83 | 0.38 | 0.07 | 5.92 | 4.34 | 4.20 | 2.35 | 2.39 | 0.22 | 0.27 | 1.31 | 23.48 | |||||||||||||
1988 | 0.35 | 0.95 | 0.29 | 1.81 | 4.26 | 0.10 | 4.66 | 0.17 | 3.39 | 0.00 | 0.02 | 0.48 | 16.48 | |||||||||||||
1989 | 0.31 | 1.40 | 0.83 | 0.48 | 0.57 | 2.40 | 1.98 | 4.21 | 1.55 | 0.00 | 0.00 | 0.51 | 14.24 | |||||||||||||
1990 | 0.46 | 0.96 | 1.18 | 0.76 | 1.05 | 0.01 | 2.92 | 2.23 | 0.68 | 0.67 | 0.95 | 0.59 | 12.46 | |||||||||||||
1991 | 0.90 | 0.20 | 0.62 | 0.00 | 0.11 | 4.80 | 3.12 | 1.12 | 5.29 | 0.23 | 2.70 | 2.60 | 21.69 | |||||||||||||
1992 | 1.73 | 2.14 | 0.92 | 1.25 | 7.56 | 1.44 | 1.42 | 2.64 | 0.76 | a | 0.01 | 1.23 | 0.51 | 21.61 | ||||||||||||
1993 | 1.02 | 0.61 | 0.77 | 2.35 | 1.52 | 1.22 | 1.52 | 1.13 | 0.27 | 0.37 | 0.29 | 0.00 | 11.07 | |||||||||||||
1994 | 0.39 | 0.05 | 0.07 | 3.09 | 5.61 | 0.06 | 0.85 | 0.16 | 1.00 | 0.86 | 0.45 | 0.00 | 12.59 | |||||||||||||
1995 | 1.15 | 0.54 | 0.46 | 0.33 | 4.53 | 2.38 | 0.60 | 3.43 | 10.49 | 0.59 | 0.04 | 0.16 | 24.70 | |||||||||||||
1996 | 0.09 | 0.00 | 0.00 | 0.43 | 2.04 | 5.25 | 2.79 | 5.16 | 1.69 | 0.44 | 0.37 | 0.00 | 18.26 | |||||||||||||
1997 | 0.30 | 1.48 | 0.01 | 3.46 | 3.19 | 5.25 | 2.14 | 0.96 | 1.02 | 0.85 | 0.43 | 1.63 | 20.72 | |||||||||||||
1998 | 0.00 | 0.89 | 3.08 | 0.00 | 1.56 | 0.72 | 1.35 | 2.76 | 0.20 | 2.68 | 0.92 | 0.50 | 14.66 | |||||||||||||
1999 | 0.95 | 0.00 | 1.52 | 1.12 | 4.23 | 4.51 | 0.81 | 1.11 | 3.88 | 0.38 | 0.00 | 0.62 | 19.13 | |||||||||||||
2000 | 0.04 | 0.03 | 1.06 | 2.02 | 0.60 | 6.18 | 1.78 | 0.30 | 0.00 | 2.04 | 1.99 | 0.68 | 16.72 | |||||||||||||
2001 | 1.13 | 0.46 | 1.90 | 0.31 | 1.68 | 0.89 | 0.01 | 0.95 | 3.75 | 0.02 | 1.29 | 0.02 | 12.41 | |||||||||||||
2002 | 0.63 | 0.72 | 3.97 | 1.71 | 0.02 | 1.60 | 3.33 | 0.52 | 0.53 | 3.80 | 1.10 | 1.78 | 19.71 | |||||||||||||
2003 | 0.00 | 0.22 | 0.57 | 1.81 | 1.46 | 3.81 | 0.00 | 0.94 | 1.50 | 0.44 | 0.36 | 0.00 | 11.11 | |||||||||||||
2004 | 1.33 | 2.02 | 1.81 | 2.95 | 0.41 | 5.47 | 2.60 | 3.84 | 6.24 | 3.65 | 6.33 | 0.66 | 37.31 | |||||||||||||
2005 | 2.20 | 1.54 | 0.42 | 0.20 | 9.98 | b | 0.27 | 2.55 | 3.07 | 0.33 | 2.15 | 0.00 | 0.08 | 22.79 | ||||||||||||
2006 | 0.00 | 0.03 | b | 1.96 | 0.97 | 0.32 | 0.71 | 1.19 | f | 2.37 | 4.40 | 1.64 | 0.23 | 1.54 | 14.17 | a | ||||||||||
2007 | 1.31 | 0.26 | 4.25 | 1.13 | 5.72 | 3.47 | 1.10 | 2.36 | 2.62 | 0.00 | 0.44 | 1.40 | 24.06 | |||||||||||||
2008 | 0.00 | 0.28 | 0.05 | 0.69 | 2.96 | 1.91 | 4.89 | 2.21 | 3.83 | 2.33 | 0.12 | 0.00 | 19.27 | |||||||||||||
2009 | 0.09 | 0.41 | 0.27 | 0.31 | 0.33 | 4.35 | 3.69 | 0.18 | 0.60 | 1.06 | 0.09 | 1.49 | 12.87 | |||||||||||||
2010 | 2.01 | 2.57 | 2.00 | 3.30 | 0.84 | 2.78 | 9.54 | 2.11 | 3.02 | 5.14 | 0.03 | 0.01 | 33.35 | |||||||||||||
2011 | 0.01 | 0.42 | 0.10 | 0.00 | 0.19 | 0.05 | 0.04 | 0.18 | 1.82 | 0.68 | 0.09 | 1.26 | 4.84 | |||||||||||||
2012 | 0.10 | 0.61 | 0.58 | 1.11 | 2.68 | 2.08 | 1.42 | 1.47 | 1.83 | 0.07 | 0.06 | 0.65 | 12.66 | |||||||||||||
2013 | 1.10 | 0.69 | 0.00 | 0.02 | 0.34 | 2.07 | 2.20 | 1.40 | 0.68 | 1.77 | 0.66 | 1.04 | 11.97 | |||||||||||||
2014 | 0.00 | 0.22 | 0.33 | 0.62 | 1.99 | 4.27 | 1.99 | 0.15 | 7.26 | 0.17 | 1.96 | 0.56 | 19.52 | |||||||||||||
2015 | 1.65 | 0.79 | 0.48 | 1.98 | 5.97 | 2.95 | 2.77 | 0.63 | 0.87 | 5.84 | 0.76 | 2.58 | 27.27 | |||||||||||||
2016 | 0.37 | 0.21 | 0.43 | 1.81 | 2.10 | 3.01 | 0.25 | 4.65 | 2.80 | 0.64 | 2.15 | 0.49 | 18.91 | |||||||||||||
2017 | 1.73 | 0.50 | 0.05 | 4.48 | 0.63 | 3.13 | 2.38 | 2.03 | 2.89 | 0.48 | 0.04 | 0.13 | 18.47 | |||||||||||||
2018 | 0.01 | 0.05 | 0.95 | 0.00 | 1.51 | 1.17 | 0.57 | 2.80 | 3.85 | 6.33 | 0.38 | 1.52 | 19.14 | |||||||||||||
2019 | 0.00 | 0.00 | 1.17 | 1.72 | 1.64 | 2.52 | 0.64 | 3.04 | 2.97 | 1.43 | 1.70 | 0.18 | 17.01 | |||||||||||||
2020 | 0.47 | 0.79 | 2.21 | 0.00 | 0.45 | 1.77 | 0.98 | 0.44 | 0.30 | 1.08 | 0.04 | 0.03 | 8.56 | |||||||||||||
2021 | 1.21 | 0.25 | 0.34 | 0.68 | 4.03 | 3.93 | 2.03 | 2.86 | 0.29 | 0.84 | 0.11 | 0.00 | 16.57 | |||||||||||||
2022 | 0.35 | 0.15 | 0.06 | 0.00 | 1.12 | 1.38 | 0.27 | 3.42 | 3.56 | 2.78 | 0.98 | 0.35 | 14.42 | |||||||||||||
2023 | 0.39 | 0.27 | 0.00 | 0.00 | 4.25 | 2.24 | 1.17 | 1.93 | 2.19 | 6.57 | 0.10 | 1.46 | 20.57 | |||||||||||||
2024 | 0.53 | 0.69 | 0.67 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.89 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.57 | 0.62 | 0.86 | 1.05 | 2.51 | 2.73 | 2.21 | 2.03 | 2.43 | 1.92 | 0.74 | 0.61 | 18.32 | |||||||||||||
S.D. | 0.63 | 0.63 | 1.02 | 1.09 | 2.15 | 2.01 | 1.79 | 1.76 | 2.21 | 2.05 | 0.97 | 0.65 | 5.96 | |||||||||||||
SKEW | 1.20 | 1.42 | 1.65 | 1.34 | 1.38 | 1.42 | 1.30 | 1.44 | 1.41 | 1.29 | 3.05 | 1.28 | 0.58 | |||||||||||||
MAX | 2.37 | 2.61 | 4.25 | 4.74 | 9.98 | 10.45 | 9.54 | 9.29 | 10.49 | 8.78 | 6.33 | 2.60 | 37.31 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.02 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 4.84 | |||||||||||||
YRS | 71 | 71 | 70 | 70 | 70 | 70 | 69 | 69 | 69 | 70 | 70 | 71 | 67 |