YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | 0.00 | 1.40 | 0.23 | 0.37 | 0.00 | 0.48 | 0.00 | 2.78 | d | ||||||||
1951 | 0.53 | 0.10 | 0.97 | 1.43 | 2.17 | 0.00 | 0.00 | 2.73 | a | 0.92 | 0.72 | 0.63 | 1.96 | 12.16 | ||||||||||||
1952 | 1.73 | 0.12 | 3.04 | 1.46 | 0.00 | 0.83 | 0.39 | 0.14 | 0.49 | 0.00 | 0.82 | 1.33 | 10.35 | |||||||||||||
1953 | 0.26 | 0.00 | ----- | z | 0.72 | 0.00 | 0.22 | 1.36 | 1.54 | ----- | z | 0.80 | b | 0.19 | 0.88 | 5.97 | b | |||||||||
1954 | 1.80 | a | 1.75 | 2.84 | 0.70 | 0.14 | 0.75 | 1.45 | 0.00 | 1.49 | 0.07 | 0.23 | 0.90 | 12.12 | ||||||||||||
1955 | 1.10 | 0.57 | 0.00 | 0.32 | 0.31 | 0.58 | 1.28 | 1.62 | 0.00 | 0.20 | 0.96 | 0.56 | 7.50 | |||||||||||||
1956 | 1.10 | 0.10 | 0.00 | 0.31 | 0.47 | 0.26 | 1.95 | 0.00 | 0.00 | 0.00 | b | 0.00 | 0.20 | 4.39 | ||||||||||||
1957 | 3.06 | 1.06 | 0.25 | 1.32 | 1.47 | 0.74 | 0.52 | 0.39 | 0.00 | 3.02 | 1.03 | 0.96 | 13.82 | |||||||||||||
1958 | 0.09 | 2.20 | 4.56 | 1.16 | 1.06 | 0.00 | 0.10 | 0.04 | 3.27 | 0.40 | 0.50 | 0.00 | 13.38 | |||||||||||||
1959 | 0.02 | 3.02 | 0.00 | 0.08 | 0.09 | 0.20 | 1.50 | 1.45 | 0.18 | 0.56 | 1.37 | 1.54 | 10.01 | |||||||||||||
1960 | 1.23 | 1.14 | 0.81 | 0.96 | 0.33 | 0.00 | 0.00 | 0.70 | 1.07 | 1.18 | 0.80 | 0.25 | 8.47 | |||||||||||||
1961 | 1.07 | 0.00 | 1.81 | 0.21 | 0.03 | 0.00 | 1.51 | 1.33 | 1.33 | 0.43 | 1.14 | 0.80 | 9.66 | |||||||||||||
1962 | 1.23 | 2.97 | 1.08 | a | 0.00 | 0.12 | 0.00 | 0.14 | 0.02 | 0.82 | 0.58 | 0.37 | 0.32 | 7.65 | ||||||||||||
1963 | 1.31 | 1.77 | 0.96 | 0.75 | a | 0.05 | 0.33 | 0.00 | ----- | z | 1.38 | 0.17 | 0.93 | 0.00 | 7.65 | a | ||||||||||
1964 | 0.60 | 0.00 | 1.06 | 1.09 | 1.71 | ----- | z | 0.19 | 0.71 | 0.05 | 0.00 | 0.40 | 0.59 | 6.40 | a | |||||||||||
1965 | 0.31 | 1.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.25 | 0.59 | 3.10 | 2.73 | 8.37 | f | ||||||
1966 | 0.48 | 1.18 | 0.01 | 0.40 | 0.45 | 0.19 | 0.72 | 0.04 | 0.58 | 0.84 | 0.93 | 2.58 | 8.40 | |||||||||||||
1967 | 1.69 | 0.00 | 0.68 | 1.25 | 0.38 | 0.64 | 0.38 | 0.57 | 2.06 | 0.00 | 1.27 | 2.18 | 11.10 | |||||||||||||
1968 | 0.64 | 0.97 | 1.29 | 0.17 | 0.38 | 0.95 | 0.46 | 0.55 | 0.05 | 0.03 | 0.32 | 0.81 | 6.62 | |||||||||||||
1969 | 3.87 | 3.48 | a | 0.90 | 0.03 | 0.35 | 0.38 | 2.04 | 0.19 | 0.94 | 0.17 | 0.69 | 0.03 | m | 13.04 | a | ||||||||||
1970 | 0.39 | 0.53 | 1.43 | 0.10 | 0.01 | 0.23 | 1.30 | 0.32 | 0.20 | 0.00 | 1.65 | 0.63 | 6.79 | |||||||||||||
1971 | 0.16 | 1.64 | 0.20 | 0.55 | 1.54 | 0.00 | 0.92 | 2.58 | 0.04 | 1.91 | 0.88 | 2.05 | 12.47 | |||||||||||||
1972 | 0.03 | 0.00 | 0.00 | 0.22 | 0.00 | 1.70 | 0.00 | 1.42 | 3.08 | 2.35 | 2.71 | 0.82 | 12.33 | |||||||||||||
1973 | 1.51 | a | 2.29 | 4.37 | 0.68 | 0.27 | 0.53 | 0.19 | 0.53 | 0.03 | 0.09 | 1.12 | 0.09 | 11.70 | ||||||||||||
1974 | 2.76 | 0.00 | 0.36 | 0.60 | 0.00 | 0.00 | 0.74 | 1.04 | 0.00 | 2.63 | 0.33 | 0.29 | 8.75 | |||||||||||||
1975 | 0.63 | 1.00 | 2.97 | 0.47 | 0.10 | 0.03 | 0.85 | 1.52 | 0.78 | 0.42 | 0.52 | 0.53 | 9.82 | |||||||||||||
1976 | 0.00 | 2.82 | 0.32 | 1.35 | 0.17 | 0.00 | 0.66 | 0.29 | 0.47 | 0.91 | 0.15 | 0.00 | 7.14 | |||||||||||||
1977 | 0.58 | 0.03 | 0.06 | 0.16 | 2.33 | 0.38 | 0.58 | 0.30 | 0.65 | 0.12 | 0.28 | 0.84 | 6.31 | |||||||||||||
1978 | 3.62 | 2.23 | 4.25 | c | 1.84 | 0.72 | 0.00 | 1.05 | 0.33 | 0.67 | 0.47 | 2.98 | 1.56 | 19.72 | ||||||||||||
1979 | 2.61 | 1.54 | 3.37 | 0.88 | 0.02 | 0.00 | 0.61 | 1.52 | 0.00 | 0.19 | 0.06 | 0.24 | 11.04 | |||||||||||||
1980 | 6.15 | 4.46 | 1.97 | 0.50 | 1.55 | 0.00 | 0.66 | 0.74 | 2.00 | 1.47 | 0.31 | 0.13 | 19.94 | |||||||||||||
1981 | 0.59 | 0.96 | 3.59 | 1.41 | 0.66 | 0.00 | 0.29 | 0.95 | 0.66 | 0.89 | 0.96 | 0.31 | 11.27 | |||||||||||||
1982 | 1.83 | a | 0.71 | 2.32 | ----- | z | 0.07 | 0.00 | 0.06 | 3.59 | 1.65 | 0.53 | 2.85 | 1.97 | 15.58 | a | ||||||||||
1983 | 1.44 | 1.38 | 3.56 | 1.57 | 0.26 | 0.00 | 1.53 | 2.12 | 1.35 | 0.36 | 1.73 | 1.23 | 16.53 | |||||||||||||
1984 | 0.39 | 0.20 | 0.98 | 0.00 | 0.02 | 0.44 | 2.31 | 1.11 | 0.95 | 1.08 | 0.81 | 3.03 | 11.32 | |||||||||||||
1985 | 1.65 | 0.36 | a | 1.05 | 0.37 | 0.66 | 0.12 | 0.52 | 0.08 | 0.77 | 0.87 | 2.23 | 0.42 | 9.10 | ||||||||||||
1986 | 0.44 | 1.53 | 2.08 | 0.93 | 0.00 | 0.00 | 0.05 | 1.72 | 1.73 | 0.00 | 0.57 | 0.36 | 9.41 | |||||||||||||
1987 | 1.78 | 1.15 | 1.21 | a | 0.37 | 1.28 | 0.50 | 1.84 | 1.44 | 0.02 | 2.46 | 3.26 | 0.35 | 15.66 | ||||||||||||
1988 | 1.57 | 0.66 | 0.42 | 3.37 | 0.60 | 0.89 | 0.91 | 0.96 | 0.02 | 0.08 | 0.36 | 1.71 | 11.55 | |||||||||||||
1989 | 1.00 | 0.98 | a | 1.25 | 0.01 | 0.68 | 0.05 | 0.00 | 1.53 | 0.49 | 0.69 | 0.00 | 0.00 | 6.68 | ||||||||||||
1990 | 0.52 | 1.48 | 0.41 | 1.16 | 0.53 | 0.32 | 0.83 | 1.20 | 1.69 | 0.23 | 0.84 | 0.42 | 9.63 | |||||||||||||
1991 | 0.77 | 0.65 | 2.95 | 0.05 | 0.15 | 0.06 | 0.11 | 0.50 | 0.74 | 1.06 | 0.73 | 1.12 | 8.89 | |||||||||||||
1992 | 1.05 | a | 2.82 | 4.90 | 0.02 | 1.25 | 0.23 | 0.91 | 1.63 | 0.05 | 1.85 | 0.01 | 2.04 | 16.76 | ||||||||||||
1993 | 5.56 | 4.63 | ----- | z | 0.02 | 0.13 | 0.52 | 0.00 | 0.75 | 0.00 | 0.98 | 0.83 | 0.50 | 13.92 | a | |||||||||||
1994 | 0.25 | 2.27 | 0.85 | 1.81 | 0.88 | 0.22 | 1.06 | 0.55 | 0.81 | 1.30 | 1.14 | 0.87 | 12.01 | |||||||||||||
1995 | 3.69 | 1.62 | 3.79 | 1.08 | 1.30 | 0.94 | 0.02 | 0.62 | 0.46 | 0.00 | 2.10 | 0.34 | 15.96 | |||||||||||||
1996 | 0.46 | 1.97 | 0.49 | 0.25 | 0.24 | 0.00 | 1.22 | 0.03 | 0.31 | 0.98 | 1.65 | 1.30 | 8.90 | |||||||||||||
1997 | 2.88 | 0.84 | 0.00 | 0.22 | 0.27 | 0.09 | 0.17 | 0.76 | 3.51 | 0.83 | 0.85 | 0.27 | 10.69 | |||||||||||||
1998 | 1.18 | 3.53 | 1.56 | 1.35 | 0.51 | 0.48 | 1.48 | 0.35 | 3.09 | 1.12 | 1.48 | a | 0.00 | 16.13 | ||||||||||||
1999 | 0.68 | 0.75 | 0.03 | 1.30 | 0.29 | 0.77 | 1.66 | 2.18 | 0.19 | 0.00 | 0.01 | 0.11 | 7.97 | |||||||||||||
2000 | 0.63 | 3.16 | 1.68 | 0.51 | 0.15 | 0.00 | 0.17 | 0.66 | 0.09 | 2.44 | 0.70 | 0.09 | 10.28 | |||||||||||||
2001 | 1.12 | 1.53 | 1.50 | 1.12 | 0.24 | 0.15 | 0.09 | 0.41 | a | 0.06 | 0.19 | 0.78 | 1.21 | 8.40 | ||||||||||||
2002 | 0.11 | 0.12 | 0.21 | 0.17 | 0.00 | 0.00 | 0.02 | 0.00 | 2.23 | u | 0.95 | 0.72 | 0.84 | 3.14 | a | |||||||||||
2003 | 0.31 | 2.38 | 1.68 | 1.23 | 0.19 | 0.00 | 0.36 | 1.23 | 0.81 | 0.06 | 0.61 | 1.25 | 10.11 | |||||||||||||
2004 | 0.23 | 3.69 | 0.11 | 1.50 | 0.39 | 0.17 | 0.02 | 1.16 | 0.19 | 4.56 | 1.87 | 1.69 | 15.58 | |||||||||||||
2005 | 4.70 | 3.04 | 2.11 | 1.96 | 0.75 | 0.27 | 0.14 | 1.34 | 0.28 | 1.38 | 0.24 | 0.35 | 16.56 | |||||||||||||
2006 | 0.91 | 0.46 | 2.61 | 0.82 | ----- | z | 0.20 | 0.64 | 0.10 | 0.55 | 1.68 | 0.04 | 0.68 | 8.69 | a | |||||||||||
2007 | 0.19 | 0.34 | 0.05 | 0.68 | 0.00 | 0.02 | 0.65 | 1.31 | 1.20 | 0.00 | 0.46 | 2.90 | 7.80 | |||||||||||||
2008 | 2.19 | 2.20 | 0.14 | 0.03 | 0.21 | 0.11 | 1.55 | 0.24 | 0.02 | 0.70 | 1.61 | 2.52 | 11.52 | |||||||||||||
2009 | 0.68 | 1.67 | 0.02 | 0.29 | 0.27 | 0.15 | a | 0.20 | 0.34 | 0.26 | 0.09 | 0.28 | 1.30 | 5.55 | ||||||||||||
2010 | 2.87 | 2.76 | 1.95 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.71 | 1.28 | 6.07 | 17.64 | e | |||||||
2011 | 0.06 | 2.26 | 1.55 | 1.56 | 0.78 | 0.00 | 0.22 | 0.04 | 1.31 | 1.44 | 0.64 | 0.34 | 10.20 | |||||||||||||
2012 | 0.89 | 1.29 | 0.62 | 0.83 | 0.00 | 0.00 | 1.19 | b | 1.57 | 0.95 | 0.80 | 0.21 | 1.16 | 9.51 | ||||||||||||
2013 | 0.85 | 0.47 | 0.67 | 0.34 | 0.35 | 0.00 | 1.15 | 1.92 | 3.93 | 0.63 | 1.57 | 0.68 | 12.56 | |||||||||||||
2014 | 0.50 | 0.83 | 0.48 | 0.73 | 0.25 | 0.00 | 0.67 | 3.38 | 3.54 | 0.00 | 0.30 | 0.90 | 11.58 | |||||||||||||
2015 | 1.09 | 0.78 | 1.58 | 0.81 | 1.36 | 0.97 | 0.61 | 0.80 | 1.03 | 1.49 | 0.70 | 0.89 | 12.11 | |||||||||||||
2016 | 1.64 | 0.66 | 1.01 | 2.00 | 0.29 | 0.30 | 0.33 | 1.78 | 1.76 | 0.44 | 0.77 | 3.31 | 14.29 | |||||||||||||
2017 | 3.87 | 1.35 | a | 0.66 | 0.15 | 1.42 | 0.00 | 1.98 | 0.93 | 1.14 | 0.00 | 0.00 | 0.00 | 11.50 | ||||||||||||
2018 | 1.59 | 0.84 | 0.94 | 0.31 | 0.32 | 0.00 | 1.23 | 1.12 | 0.00 | 1.87 | 0.91 | a | 0.84 | 9.97 | ||||||||||||
2019 | 2.26 | 3.87 | 4.08 | 1.01 | 1.70 | 0.13 | 0.02 | 0.04 | 0.00 | 0.00 | 3.75 | 1.75 | 18.61 | |||||||||||||
2020 | 0.15 | c | 1.10 | 3.44 | 0.84 | 0.00 | 0.00 | 0.15 | 0.41 | 0.00 | 0.00 | 0.39 | 0.20 | 6.68 | ||||||||||||
2021 | 0.83 | 0.06 | 1.69 | 0.58 | 0.00 | 0.00 | 1.36 | 0.16 | 0.38 | 1.54 | 0.00 | 2.04 | 8.64 | |||||||||||||
2022 | 0.26 | 0.72 | a | 0.21 | 0.07 | 0.00 | 0.00 | 1.79 | 0.90 | 1.70 | 0.62 | 0.57 | 1.64 | 8.48 | ||||||||||||
2023 | 3.90 | 0.90 | 4.82 | 0.07 | 0.28 | 0.27 | 0.00 | 2.12 | 2.08 | 0.30 | 0.76 | 0.08 | 15.58 | |||||||||||||
2024 | 1.85 | 2.41 | 1.45 | 0.10 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.71 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.38 | 1.43 | 1.50 | 0.74 | 0.50 | 0.24 | 0.73 | 0.94 | 0.89 | 0.80 | 0.93 | 1.03 | 11.04 | |||||||||||||
S.D. | 1.33 | 1.16 | 1.38 | 0.64 | 0.57 | 0.33 | 0.64 | 0.81 | 0.98 | 0.89 | 0.84 | 1.03 | 3.48 | |||||||||||||
SKEW | 1.57 | 0.80 | 0.92 | 1.19 | 1.45 | 1.84 | 0.58 | 1.08 | 1.44 | 1.65 | 1.48 | 2.04 | 0.65 | |||||||||||||
MAX | 6.15 | 4.63 | 4.90 | 3.37 | 2.33 | 1.70 | 2.31 | 3.59 | 3.93 | 4.56 | 3.75 | 6.07 | 19.94 | |||||||||||||
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 | 4.39 | |||||||||||||
YRS | 74 | 74 | 71 | 71 | 71 | 71 | 72 | 71 | 71 | 74 | 74 | 73 | 63 |