YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | k | |
1951 | 2.15 | 1.05 | 0.18 | 2.41 | 0.00 | 0.00 | 2.82 | 4.37 | 0.87 | 2.57 | 2.55 | 2.44 | 21.41 | |||||||||||||
1952 | 0.65 | 0.00 | a | 4.20 | 1.12 | 0.00 | 0.60 | 1.98 | 5.57 | 0.80 | 0.00 | 2.25 | 1.55 | 18.72 | ||||||||||||
1953 | 0.00 | 1.60 | 0.98 | 0.00 | 0.00 | 0.00 | 4.90 | 0.67 | 0.00 | 0.00 | 0.00 | 0.00 | 8.15 | |||||||||||||
1954 | 1.20 | 0.37 | 2.70 | 0.00 | 0.90 | 0.45 | 6.57 | 4.45 | 0.20 | 0.90 | 0.00 | 0.00 | 17.74 | |||||||||||||
1955 | 3.27 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 5.20 | 6.63 | 0.00 | 0.35 | 0.00 | 0.00 | 15.70 | |||||||||||||
1956 | 1.70 | 0.64 | 0.00 | 0.25 | 0.00 | 1.50 | 5.66 | 1.47 | 0.00 | 0.10 | 0.00 | 0.00 | 11.32 | |||||||||||||
1957 | 3.10 | 0.30 | 1.65 | 0.00 | 0.16 | 0.00 | 2.41 | 3.82 | 0.00 | 3.16 | 0.26 | 0.45 | 15.31 | |||||||||||||
1958 | 0.00 | 1.34 | 3.72 | 0.91 | 0.00 | 0.30 | 2.40 | 4.89 | 2.33 | 2.43 | 1.50 | 0.00 | 19.82 | |||||||||||||
1959 | 0.00 | 1.04 | 0.00 | 0.00 | 0.00 | 0.25 | 3.97 | 3.59 | 0.65 | 1.65 | 1.45 | 3.05 | 15.65 | |||||||||||||
1960 | 4.97 | 0.35 | 0.40 | 0.00 | 0.00 | 0.00 | 3.26 | 3.07 | 3.24 | 2.39 | 0.00 | 1.50 | 19.18 | |||||||||||||
1961 | 1.70 | 0.00 | 0.45 | 0.00 | ----- | z | 0.01 | 6.84 | 4.73 | 1.30 | 0.91 | 0.00 | 3.20 | 19.14 | a | |||||||||||
1962 | 2.90 | b | 1.45 | a | 1.34 | ----- | z | ----- | z | 1.07 | 1.85 | 1.47 | 6.02 | 0.02 | 0.71 | 2.14 | 18.97 | b | ||||||||
1963 | ----- | z | 1.21 | 0.75 | 0.65 | ----- | z | ----- | z | 2.81 | 4.75 | 4.27 | 0.58 | 2.94 | 0.49 | 18.45 | c | |||||||||
1964 | 0.10 | 0.49 | 1.47 | 0.66 | 0.00 | 0.40 | 4.14 | 4.57 | 5.90 | 2.50 | 1.30 | 0.81 | 22.34 | |||||||||||||
1965 | 0.35 | 1.20 | 0.63 | 1.08 | 0.00 | 0.00 | 1.62 | 2.69 | 0.95 | 0.00 | 0.55 | 10.98 | 20.05 | |||||||||||||
1966 | 1.50 | 3.94 | 0.07 | 0.00 | 0.25 | 0.00 | 4.63 | 6.07 | 2.46 | 0.50 | 0.50 | 0.43 | 20.35 | |||||||||||||
1967 | 0.05 | 0.08 | 0.50 | 0.45 | 0.30 | 1.65 | 5.34 | 3.81 | 1.44 | c | 0.20 | 1.00 | 6.43 | 21.25 | ||||||||||||
1968 | ----- | z | 1.00 | 1.82 | 0.38 | ----- | z | 0.00 | 6.39 | 3.08 | 0.15 | 0.23 | 0.55 | 2.46 | 16.06 | b | ||||||||||
1969 | 1.05 | 0.98 | 0.55 | 0.52 | 0.70 | 0.00 | 4.16 | 4.68 | 2.13 | 0.00 | 2.47 | 2.06 | 19.30 | |||||||||||||
1970 | 0.00 | 0.24 | 1.47 | 0.29 | 0.00 | 0.05 | 3.58 | 4.96 | 6.87 | 0.30 | 0.00 | 0.73 | 18.49 | |||||||||||||
1971 | 0.00 | 1.15 | 0.00 | 0.52 | 0.00 | 0.00 | 3.43 | 6.52 | 2.58 | 1.76 | 1.51 | 3.20 | 20.67 | |||||||||||||
1972 | 0.00 | 0.00 | 0.01 | 0.00 | 0.50 | 1.15 | 2.41 | 5.99 | 0.40 | 4.33 | 1.16 | 1.46 | 17.41 | |||||||||||||
1973 | 0.33 | 2.95 | 4.67 | 0.00 | 0.10 | 0.38 | 6.56 | 1.74 | 0.00 | 0.00 | 1.18 | 0.00 | 17.91 | |||||||||||||
1974 | 1.29 | 0.00 | 1.30 | 0.00 | 0.00 | 0.05 | 5.46 | 0.85 | 2.09 | 2.54 | 0.43 | 0.64 | 14.65 | |||||||||||||
1975 | 0.26 | 0.00 | 2.28 | 0.56 | 0.00 | 0.00 | 4.13 | 2.96 | 3.20 | 0.00 | 0.55 | 1.80 | 15.74 | |||||||||||||
1976 | ----- | z | 1.00 | 0.48 | 2.00 | 0.48 | 0.13 | 3.54 | 0.72 | 2.41 | 0.30 | 0.60 | 0.43 | 12.09 | a | |||||||||||
1977 | 3.11 | 0.11 | 0.65 | 0.24 | ----- | z | 0.00 | 2.70 | 3.08 | 3.70 | 3.76 | 0.00 | 1.25 | 18.60 | a | |||||||||||
1978 | 3.06 | 4.33 | d | 3.77 | 0.20 | 0.66 | 0.18 | 3.58 | 1.75 | 1.03 | 3.28 | 4.23 | 8.78 | 34.85 | ||||||||||||
1979 | 4.48 | 0.74 | 2.22 | ----- | z | 2.77 | 0.42 | 2.01 | ----- | z | 0.15 | 0.40 | 0.70 | 0.47 | 14.36 | b | ||||||||||
1980 | 1.03 | 3.59 | 1.68 | 0.13 | 0.00 | 1.67 | 1.50 | 2.13 | 0.66 | ----- | z | 0.00 | 0.32 | 12.71 | a | |||||||||||
1981 | 1.66 | 0.75 | 3.12 | 0.92 | 1.38 | 1.94 | 4.10 | 2.69 | 2.77 | 0.73 | 1.48 | 0.00 | 21.54 | |||||||||||||
1982 | 1.38 | 0.44 | 1.54 | 0.00 | 0.34 | 0.00 | 4.99 | 3.38 | 1.45 | 0.00 | 0.76 | 5.70 | 19.98 | |||||||||||||
1983 | 2.63 | 2.28 | 3.78 | a | 0.78 | 0.00 | 0.00 | 4.79 | 5.88 | 5.72 | c | 7.20 | 1.59 | 1.21 | 35.86 | |||||||||||
1984 | 1.75 | 0.00 | 0.00 | ----- | z | 0.10 | 1.88 | ----- | z | 3.11 | 2.07 | 0.63 | 0.53 | 4.90 | 14.97 | b | ||||||||||
1985 | 2.17 | 2.38 | 0.25 | 1.26 | 0.00 | 0.00 | 4.75 | 5.63 | 0.53 | 1.50 | 2.22 | 0.72 | a | 21.41 | ||||||||||||
1986 | 0.40 | 1.25 | 1.60 | 0.00 | 0.23 | 0.86 | 2.26 | 6.83 | 0.00 | 0.00 | 0.33 | ----- | z | 13.76 | a | |||||||||||
1987 | 1.00 | 3.50 | 0.62 | 0.40 | 0.51 | 0.11 | 1.64 | 4.79 | 1.15 | 0.67 | 0.05 | 2.09 | 16.53 | |||||||||||||
1988 | 3.66 | l | 0.86 | 0.66 | 2.62 | 0.00 | 0.00 | 6.13 | 4.00 | 0.47 | 1.88 | 0.60 | 0.35 | 17.57 | a | |||||||||||
1989 | 2.25 | 0.00 | 0.90 | 0.00 | 0.00 | 0.40 | 2.83 | 0.49 | 0.25 | 2.55 | 0.00 | 0.33 | 10.00 | |||||||||||||
1990 | 0.90 | 1.25 | 0.93 | 0.24 | 0.06 | 0.52 | 8.65 | 3.38 | 2.59 | 0.23 | 0.73 | 4.02 | 23.50 | |||||||||||||
1991 | 1.21 | 1.07 | 3.58 | 0.00 | 0.00 | 0.00 | 1.10 | 3.23 | 2.01 | 0.65 | 2.55 | 2.00 | 17.40 | |||||||||||||
1992 | 2.13 | 1.58 | 4.34 | 0.69 | 0.78 | 0.00 | 3.47 | 6.95 | 0.27 | 0.00 | 0.00 | ----- | z | 20.21 | a | |||||||||||
1993 | 5.79 | s | 4.43 | 2.32 | 0.00 | 0.12 | 1.30 | 1.06 | 6.76 | t | 0.15 | a | 1.63 | y | 2.55 | 0.55 | 12.48 | c | ||||||||
1994 | 0.44 | 2.03 | ----- | z | 0.00 | 0.47 | 0.42 | 1.95 | y | 3.47 | 3.03 | t | 0.53 | ----- | z | 6.05 | y | 7.36 | e | |||||||
1995 | ----- | z | 2.03 | ----- | z | 1.18 | 0.05 | 0.00 | 1.06 | 5.25 | t | 1.29 | 0.98 | 1.18 | 0.20 | 7.97 | c | |||||||||
1996 | 0.05 | 2.52 | 0.20 | 0.00 | 0.00 | 0.00 | 3.02 | 2.61 | 2.73 | 1.77 | 0.30 | a | 0.02 | 13.22 | ||||||||||||
1997 | 1.68 | 3.38 | x | ----- | z | 1.40 | ----- | z | ----- | z | 0.89 | q | 5.11 | 0.56 | 0.54 | 0.45 | 4.87 | 14.61 | e | |||||||
1998 | 0.21 | 4.83 | 3.19 | 0.00 | 0.00 | 0.00 | 2.13 | 4.83 | 1.38 | 0.15 | 1.11 | ----- | z | 17.83 | a | |||||||||||
1999 | 0.16 | 0.00 | 0.26 | 2.19 | 0.00 | 0.00 | 7.98 | 3.95 | 0.96 | 0.00 | 0.00 | 0.20 | 15.70 | |||||||||||||
2000 | 0.00 | 0.13 | 0.64 | 0.00 | 0.00 | 1.73 | 0.92 | 4.72 | 0.00 | 6.87 | 1.32 | 0.15 | 16.48 | |||||||||||||
2001 | 2.34 | 1.20 | 1.76 | 2.52 | 0.35 | 0.54 | 2.85 | 3.47 | 0.54 | 0.00 | 0.00 | 0.92 | 16.49 | |||||||||||||
2002 | 0.33 | 0.00 | 0.38 | 0.00 | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 1.29 | 1.37 | 3.37 | d | ||||||||
2003 | 0.14 | 2.09 | 1.09 | 0.29 | 0.79 | 0.00 | 5.20 | 2.91 | 1.85 | 1.75 | ----- | z | 0.59 | 16.70 | a | |||||||||||
2004 | 1.09 | 0.47 | 2.05 | ----- | z | 0.00 | 0.01 | 2.68 | 4.12 | 1.96 | 0.58 | 0.59 | 2.85 | 16.40 | a | |||||||||||
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 1.71 | 2.95 | 0.44 | 0.30 | ----- | z | ----- | z | 5.40 | g | |||||
2006 | ----- | z | 0.40 | 2.25 | 0.00 | 0.00 | 0.00 | 2.17 | 2.29 | 1.70 | 0.00 | ----- | z | ----- | z | 8.81 | c | |||||||||
2007 | 0.35 | 0.45 | 0.95 | 0.31 | 0.00 | 0.00 | 8.02 | 3.62 | 0.92 | 0.00 | 0.05 | 5.05 | 19.72 | |||||||||||||
2008 | 1.47 | ----- | z | ----- | z | 0.00 | 0.05 | 0.10 | 3.43 | 6.92 | 1.36 | 0.00 | 0.25 | 2.58 | 16.16 | b | ||||||||||
2009 | 0.63 | ----- | z | ----- | z | ----- | z | 0.80 | 0.37 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.80 | i | |||
2010 | ----- | z | 2.35 | 1.17 | 1.08 | 0.00 | 0.00 | 2.42 | 2.45 | 2.10 | 1.48 | 0.00 | 1.44 | 14.49 | a | |||||||||||
2011 | 0.00 | 0.50 | 0.10 | 0.68 | 0.00 | 0.00 | 3.49 | 2.32 | 1.02 | 0.27 | 1.81 | 3.22 | 13.41 | |||||||||||||
2012 | 0.06 | 0.63 | 0.55 | 0.38 | 0.42 | 0.20 | 6.15 | 3.67 | 1.35 | 0.00 | 0.18 | 2.50 | 16.09 | |||||||||||||
2013 | ----- | z | 1.30 | 0.20 | 0.00 | 0.00 | 0.00 | 2.64 | 4.42 | 3.23 | 0.00 | 2.03 | 1.42 | 15.24 | a | |||||||||||
2014 | 0.03 | 0.31 | 1.35 | 0.20 | 0.00 | 0.00 | 3.92 | 4.00 | 5.37 | 1.80 | 0.32 | 1.64 | 18.94 | |||||||||||||
2015 | 3.92 | 0.10 | 0.46 | 0.42 | 0.25 | 2.22 | 2.82 | 0.63 | 3.21 | ----- | z | 0.50 | 0.90 | 15.43 | a | |||||||||||
2016 | 2.23 | 0.00 | 0.08 | 0.59 | 0.00 | 0.72 | 3.56 | 2.20 | 1.67 | 0.05 | 0.21 | 2.67 | 13.98 | |||||||||||||
2017 | 2.71 | 0.84 | 0.00 | 0.00 | 0.10 | 0.08 | 8.00 | 2.09 | 0.42 | 0.00 | 0.12 | 0.75 | 15.11 | |||||||||||||
2018 | 0.18 | 2.57 | 0.06 | 0.00 | 0.05 | 0.54 | 4.47 | 4.74 | 1.62 | 3.84 | 0.32 | 1.02 | 19.41 | |||||||||||||
2019 | 1.60 | 3.55 | 1.78 | 0.03 | 0.04 | 0.00 | 3.63 | 5.31 | 3.86 | 0.00 | 3.88 | 3.36 | 27.04 | |||||||||||||
2020 | 0.86 | 0.91 | 1.61 | 0.30 | 0.00 | 0.17 | 0.67 | 1.93 | 0.00 | 0.00 | 0.01 | 0.47 | 6.93 | |||||||||||||
2021 | 1.89 | 0.00 | 0.37 | 0.29 | 0.00 | 1.69 | ----- | z | 5.86 | 0.97 | a | 0.06 | 0.05 | 2.74 | 13.92 | a | ||||||||||
2022 | 0.14 | 0.68 | 0.78 | 0.00 | 0.00 | 2.92 | 5.99 | 4.73 | 1.02 | 1.33 | 0.00 | 2.04 | 19.63 | |||||||||||||
2023 | 2.47 | 1.99 | 1.06 | 0.00 | 0.28 | 0.00 | 1.24 | 0.99 | 1.07 | 0.35 | 0.08 | 1.60 | 11.13 | |||||||||||||
2024 | 3.41 | 1.90 | 2.75 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.06 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.31 | 1.21 | 1.30 | 0.46 | 0.21 | 0.41 | 3.76 | 3.70 | 1.68 | 1.09 | 0.85 | 1.84 | 18.12 | |||||||||||||
S.D. | 1.25 | 1.22 | 1.24 | 0.66 | 0.43 | 0.66 | 1.92 | 1.67 | 1.61 | 1.53 | 0.98 | 2.08 | 5.46 | |||||||||||||
SKEW | 0.86 | 1.24 | 1.06 | 1.84 | 3.74 | 1.85 | 0.62 | -0.00 | 1.36 | 2.10 | 1.45 | 2.13 | 1.04 | |||||||||||||
MAX | 4.97 | 4.83 | 4.67 | 2.62 | 2.77 | 2.92 | 8.65 | 6.95 | 6.87 | 7.20 | 4.23 | 10.98 | 35.86 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.67 | 0.49 | 0.00 | 0.00 | 0.00 | 0.00 | 6.93 | |||||||||||||
YRS | 64 | 70 | 68 | 67 | 66 | 71 | 67 | 68 | 70 | 68 | 68 | 67 | 45 |