YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | 0.00 | p | 0.46 | 0.28 | 0.06 | 1.31 | 2.14 | 1.22 | 1.42 | 1.05 | 0.12 | 0.62 | 8.68 | b | ||||||||||
1950 | 0.86 | 0.56 | 0.42 | 0.02 | 0.00 | 0.18 | 1.39 | 0.07 | 0.74 | 0.00 | 0.06 | 0.11 | 4.41 | |||||||||||||
1951 | 1.29 | 0.17 | 0.08 | 0.83 | 0.12 | 0.00 | 0.88 | 1.70 | 0.40 | 0.60 | 0.56 | 1.04 | 7.67 | |||||||||||||
1952 | 0.99 | 0.61 | 0.59 | 2.01 | 0.17 | 1.16 | 1.54 | 2.67 | 0.88 | 0.00 | 1.84 | 0.19 | 12.65 | |||||||||||||
1953 | 0.16 | 0.24 | 0.77 | 0.63 | 0.35 | 0.31 | 0.57 | 0.73 | 0.00 | 0.59 | 0.44 | 0.45 | 5.24 | |||||||||||||
1954 | 0.23 | 0.29 | 2.57 | 0.30 | 0.88 | 0.09 | 2.12 | 0.63 | 1.48 | 0.44 | 0.17 | 0.56 | 9.76 | |||||||||||||
1955 | 1.44 | 0.79 | 0.03 | 0.26 | 0.20 | 0.74 | 2.68 | 2.64 | 0.02 | 0.04 | 0.11 | 0.36 | 9.31 | |||||||||||||
1956 | 2.31 | 0.56 | 0.04 | 0.44 | 0.05 | 0.01 | 3.30 | 0.82 | 0.02 | 0.42 | 0.05 | 0.44 | 8.46 | |||||||||||||
1957 | 1.68 | 1.35 | 1.17 | 0.63 | 1.22 | 0.72 | 3.73 | 1.86 | 0.00 | 2.62 | 0.83 | 0.50 | 16.31 | |||||||||||||
1958 | 0.33 | 0.68 | 1.09 | 0.60 | 0.16 | 0.29 | 0.92 | 2.33 | 2.54 | 0.77 | 0.71 | 0.09 | 10.51 | |||||||||||||
1959 | 0.19 | 0.26 | 0.08 | 0.54 | 0.08 | 0.13 | 1.62 | 2.42 | 0.26 | 2.75 | 0.32 | 1.59 | 10.24 | |||||||||||||
1960 | 0.68 | 0.60 | 0.63 | 0.27 | 0.48 | 0.62 | 0.79 | 0.35 | 0.86 | 3.14 | 0.41 | 0.39 | 9.22 | |||||||||||||
1961 | 0.95 | 0.27 | 1.46 | 0.26 | 0.09 | 0.14 | 1.90 | 3.02 | 0.73 | 2.46 | 0.34 | 0.81 | 12.43 | |||||||||||||
1962 | 0.98 | 0.85 | 0.35 | 0.48 | 0.03 | 0.01 | 0.57 | 0.58 | 2.19 | 3.24 | 1.54 | 0.37 | 11.19 | |||||||||||||
1963 | 0.25 | 1.43 | 0.58 | 0.15 | 0.06 | 0.00 | 0.66 | 5.53 | 1.24 | 2.02 | 1.31 | 0.17 | 13.40 | |||||||||||||
1964 | 0.43 | 0.73 | 0.62 | 0.93 | 0.03 | 0.00 | 3.19 | 2.77 | 1.30 | 0.11 | 0.82 | 1.13 | 12.06 | |||||||||||||
1965 | 1.09 | 0.98 | 0.59 | 0.85 | 0.61 | 1.40 | 3.57 | 1.78 | 0.59 | 0.64 | 1.03 | 1.90 | 15.03 | |||||||||||||
1966 | 0.33 | 0.58 | 0.40 | 0.83 | 0.00 | 0.06 | 1.47 | 2.75 | 3.21 | 0.11 | 0.58 | 1.59 | 11.91 | |||||||||||||
1967 | 0.45 | 0.08 | 0.52 | 0.24 | 0.26 | 0.72 | 3.17 | 4.09 | 2.33 | 0.53 | 0.56 | 1.95 | 14.90 | |||||||||||||
1968 | 0.70 | 0.82 | 2.21 | 1.53 | 0.63 | 0.25 | 2.57 | 3.11 | 0.32 | 0.76 | 1.30 | 1.74 | 15.94 | |||||||||||||
1969 | 1.89 | 0.97 | 2.57 | 0.35 | 1.38 | 0.11 | 2.75 | 1.77 | 2.06 | 1.75 | 0.96 | 0.47 | 17.03 | |||||||||||||
1970 | 0.64 | 0.78 | 1.54 | 0.79 | 0.11 | 0.82 | 1.77 | 1.57 | 1.84 | 0.91 | 0.32 | 1.11 | 12.20 | |||||||||||||
1971 | 0.22 | 0.62 | 0.19 | 0.41 | 0.02 | 0.00 | 0.97 | 3.71 | 3.54 | 1.80 | 0.70 | 1.11 | 13.29 | |||||||||||||
1972 | 0.06 | 0.02 | 0.00 | 0.18 | 0.47 | 1.51 | 0.93 | 0.82 | 0.72 | 6.65 | 1.31 | 1.21 | 13.88 | |||||||||||||
1973 | 0.15 | x | ----- | z | 1.65 | k | 0.01 | ----- | z | ----- | z | 3.17 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.18 | j | ||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | 0.10 | k | |
1975 | 0.36 | 0.98 | 0.59 | 0.82 | 0.09 | 0.00 | ----- | z | 0.92 | 2.79 | 0.18 | 0.12 | 0.66 | 7.51 | a | |||||||||||
1976 | 0.10 | 0.39 | ----- | z | 0.27 | 0.42 | 0.04 | 3.57 | 1.08 | 0.71 | ----- | z | 0.10 | 0.67 | 7.35 | b | ||||||||||
1977 | 0.87 | 0.08 | 0.10 | 0.16 | 0.15 | 0.21 | 1.66 | 4.13 | 1.27 | 0.51 | 0.85 | 0.41 | 10.40 | |||||||||||||
1978 | ----- | z | 1.49 | 2.21 | 0.13 | 0.67 | 0.00 | 0.56 | 0.61 | 0.44 | 0.47 | 1.15 | a | 1.48 | 9.21 | a | ||||||||||
1979 | 1.85 | 0.63 | 0.88 | 0.18 | 1.94 | 0.14 | 1.32 | 1.43 | 0.03 | 0.90 | 1.18 | 1.24 | 11.72 | |||||||||||||
1980 | 2.55 | 2.74 | 0.65 | 0.17 | 0.25 | 0.00 | 0.68 | 1.01 | 0.48 | 0.34 | 0.00 | 1.03 | 9.90 | |||||||||||||
1981 | 0.31 | 0.79 | 3.27 | 0.70 | 0.97 | 0.32 | 2.99 | 2.28 | 1.39 | 0.93 | 0.10 | 0.00 | 14.05 | |||||||||||||
1982 | 0.54 | 1.32 | 0.64 | 0.00 | 0.71 | 0.00 | 2.30 | 5.22 | a | 1.93 | a | 0.30 | c | 0.99 | b | 1.45 | a | 15.40 | ||||||||
1983 | 1.21 | 0.67 | 1.50 | 1.27 | 0.43 | 0.26 | 3.53 | 2.79 | 1.26 | 1.19 | 1.01 | 1.19 | 16.31 | |||||||||||||
1984 | 0.06 | 0.01 | 1.05 | b | 1.07 | c | 0.07 | 0.11 | d | 1.74 | 1.95 | b | 4.64 | 1.82 | 0.44 | b | 1.85 | c | 14.81 | |||||||
1985 | 1.29 | 0.52 | 1.59 | 2.03 | 0.09 | a | 0.15 | 2.29 | 0.17 | 1.24 | 0.65 | 1.14 | 0.09 | e | 11.25 | |||||||||||
1986 | 0.00 | 0.72 | 1.31 | b | 0.91 | 0.38 | b | 0.78 | 2.68 | 3.34 | a | 1.35 | 1.72 | b | 2.54 | 1.91 | a | 17.64 | ||||||||
1987 | 1.08 | 1.40 | 0.30 | 0.66 | 0.66 | a | 1.64 | a | 2.98 | 1.91 | 0.34 | b | 0.98 | 1.93 | 0.88 | 14.76 | ||||||||||
1988 | 0.81 | 0.70 | 0.00 | 2.48 | 0.35 | 1.21 | 1.13 | 5.90 | 1.37 | 0.07 | 0.63 | 0.06 | b | 14.71 | ||||||||||||
1989 | 1.09 | a | 0.42 | 0.03 | 0.00 | 0.19 | 0.00 | 2.95 | 1.75 | 0.11 | 1.25 | 0.07 | 0.03 | 7.89 | ||||||||||||
1990 | 0.31 | 0.42 | 1.06 | b | 0.51 | 1.12 | 0.23 | 0.72 | 2.36 | a | 2.26 | 0.97 | 0.94 | 2.03 | 12.93 | |||||||||||
1991 | 1.23 | 0.36 | 2.00 | 0.01 | 0.00 | 0.89 | 0.53 | 2.42 | 0.96 | 0.77 | 1.72 | 1.41 | 12.30 | |||||||||||||
1992 | 1.23 | 0.44 | 1.84 | 0.10 | 3.29 | 0.28 | 4.52 | 2.75 | a | 0.58 | 1.23 | 0.47 | 1.69 | 18.42 | ||||||||||||
1993 | 3.63 | 0.51 | a | 1.21 | 0.02 | 0.46 | 0.00 | 0.05 | 3.49 | 0.04 | 1.11 | 1.37 | 0.19 | a | 12.08 | |||||||||||
1994 | 0.02 | 0.86 | d | 0.81 | 1.43 | 1.10 | 0.69 | 1.98 | 1.72 | 1.71 | 2.62 | 0.55 | 0.89 | 14.38 | ||||||||||||
1995 | 1.67 | 1.16 | 1.08 | 0.75 | 0.76 | 0.00 | 0.41 | 2.35 | 0.23 | 0.00 | 1.42 | 0.42 | 10.25 | |||||||||||||
1996 | 0.63 | 0.80 | 0.36 | 0.21 | 0.00 | 0.41 | 3.01 | 1.94 | 2.74 | 1.24 | 1.25 | 0.00 | 12.59 | |||||||||||||
1997 | 2.07 | 0.57 | 0.00 | c | 2.07 | 0.85 | 1.61 | 1.04 | 3.66 | b | 0.85 | b | 0.87 | a | 0.89 | b | 0.96 | d | 15.44 | |||||||
1998 | 0.64 | 2.02 | 1.98 | 0.74 | 0.00 | 0.00 | 3.57 | 1.83 | 1.40 | 3.22 | 1.50 | 0.68 | 17.58 | |||||||||||||
1999 | 0.05 | 0.10 | 0.21 | 0.55 | 0.70 | 0.42 | 3.08 | 3.60 | 1.19 | 0.00 | 0.00 | 0.04 | 9.94 | |||||||||||||
2000 | 0.59 | 0.50 | 1.79 | 0.00 | 0.00 | 1.09 | 0.12 | 2.13 | 0.45 | 2.12 | 0.65 | 0.18 | b | 9.62 | ||||||||||||
2001 | 0.60 | 0.69 | 0.10 | 0.92 | 0.23 | 0.11 | 1.69 | 3.68 | 0.93 | 0.33 | 0.47 | 0.64 | 10.39 | |||||||||||||
2002 | 0.85 | 0.18 | 0.56 | 0.79 | 0.00 | 0.33 | 1.15 | 1.92 | 2.83 | 1.63 | 0.31 | 1.68 | 12.23 | |||||||||||||
2003 | 0.10 | 1.04 | 0.67 | 0.04 | 0.00 | 0.05 | 0.91 | 0.78 | 0.58 | 0.89 | 0.78 | 0.23 | 6.07 | |||||||||||||
2004 | 0.42 | 0.51 | 0.92 | 0.62 | 0.00 | 0.20 | 0.39 | 1.34 | 1.16 | a | 0.57 | 0.72 | 0.92 | 7.77 | ||||||||||||
2005 | 1.55 | 2.56 | 1.58 | 0.94 | c | 0.22 | 0.23 | 0.69 | 0.70 | b | 0.36 | 0.76 | 0.12 | 0.19 | 9.90 | |||||||||||
2006 | 0.11 | 0.00 | 1.08 | 0.28 | 0.00 | 0.52 | 1.83 | 1.92 | 1.49 | 1.75 | 0.42 | 0.94 | 10.34 | |||||||||||||
2007 | 0.81 | 0.91 | 0.06 | 0.64 | 1.39 | b | 0.14 | 2.03 | 3.86 | 0.35 | 0.38 | 0.09 | 2.08 | 12.74 | ||||||||||||
2008 | 1.48 | b | 1.36 | 0.14 | 0.16 | 1.68 | 0.07 | 2.04 | 1.32 | 0.39 | 1.38 | 0.69 | 1.74 | 12.45 | ||||||||||||
2009 | 0.76 | 0.17 | 0.50 | b | 0.68 | 1.42 | 1.26 | 1.05 | 0.12 | 0.93 | 0.46 | 0.30 | 0.83 | 8.48 | ||||||||||||
2010 | 2.12 | c | 0.87 | 0.56 | 0.70 | 0.35 | a | 0.02 | 2.11 | 2.68 | a | 1.40 | b | 1.35 | 0.18 | 1.58 | 13.92 | |||||||||
2011 | ----- | z | 0.41 | x | ----- | z | ----- | z | ----- | z | ----- | z | 0.42 | y | 3.28 | v | 1.76 | v | 1.47 | y | ----- | z | 0.42 | x | 0.00 | l |
2012 | ----- | z | 0.75 | x | ----- | z | ----- | z | 0.00 | a | 0.00 | 1.33 | 2.25 | 0.46 | 0.07 | a | ----- | z | ----- | z | 4.11 | f | ||||
2013 | 0.46 | ----- | z | ----- | z | 0.45 | 0.18 | 0.04 | 2.39 | 2.97 | 0.91 | 0.32 | 1.49 | a | 0.00 | 9.21 | b | |||||||||
2014 | ----- | z | 0.32 | 1.02 | 0.03 | 0.02 | 0.00 | 2.40 | a | 0.52 | 0.44 | a | 0.75 | 0.00 | a | 1.06 | 6.56 | a | ||||||||
2015 | 1.10 | 0.09 | 0.53 | 1.41 | a | 1.88 | a | 0.25 | 3.75 | 1.17 | 0.19 | 1.66 | 1.65 | 0.59 | a | 14.27 | ||||||||||
2016 | 0.21 | 0.22 | 0.00 | 0.79 | 1.18 | 0.45 | 1.11 | d | 1.70 | 0.77 | 0.72 | 1.32 | 1.10 | 9.57 | ||||||||||||
2017 | 1.58 | b | 0.82 | b | 0.39 | 0.82 | 1.04 | 0.00 | 1.04 | 1.45 | 1.74 | a | 0.00 | 0.00 | 0.00 | 8.88 | ||||||||||
2018 | 0.69 | 1.30 | 0.42 | 0.00 | 0.00 | 0.98 | 3.39 | 1.30 | 0.65 | 1.26 | 0.00 | 0.90 | c | 10.89 | ||||||||||||
2019 | 0.72 | a | 1.45 | 1.12 | 0.38 | 1.31 | a | 0.07 | a | 0.00 | 0.53 | 2.42 | b | 0.02 | ----- | z | ----- | z | 8.02 | b | ||||||
2020 | 0.81 | a | 1.34 | 1.17 | b | 0.04 | a | 0.06 | b | 0.00 | b | 0.92 | 0.53 | a | 0.15 | b | 0.45 | 0.72 | b | 0.36 | c | 6.55 | ||||
2021 | 0.62 | a | 0.72 | 0.76 | 0.40 | 0.27 | 0.10 | 5.57 | 1.04 | a | 1.69 | 0.67 | 0.29 | d | 1.50 | a | 13.63 | |||||||||
2022 | 0.72 | a | 0.39 | 0.71 | 0.09 | 0.00 | 0.36 | 3.35 | 4.53 | 0.72 | b | 1.73 | a | 0.70 | 1.80 | a | 15.10 | |||||||||
2023 | 1.48 | a | 0.37 | b | 1.92 | 0.00 | 0.30 | 0.10 | 0.01 | 1.74 | 0.31 | b | 0.02 | 1.83 | 0.77 | a | 8.85 | |||||||||
2024 | 1.68 | 0.72 | 1.91 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.31 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.89 | 0.73 | 0.88 | 0.57 | 0.48 | 0.37 | 1.90 | 2.08 | 1.13 | 1.07 | 0.74 | 0.85 | 11.93 | |||||||||||||
S.D. | 0.70 | 0.54 | 0.74 | 0.54 | 0.61 | 0.45 | 1.20 | 1.30 | 0.94 | 1.08 | 0.58 | 0.62 | 3.13 | |||||||||||||
SKEW | 1.25 | 1.46 | 0.99 | 1.45 | 2.00 | 1.37 | 0.51 | 0.78 | 1.25 | 2.35 | 0.71 | 0.33 | -0.13 | |||||||||||||
MAX | 3.63 | 2.74 | 3.27 | 2.48 | 3.29 | 1.64 | 5.57 | 5.90 | 4.64 | 6.65 | 2.54 | 2.08 | 18.42 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.07 | 0.00 | 0.00 | 0.00 | 0.00 | 4.41 | |||||||||||||
YRS | 69 | 70 | 70 | 72 | 72 | 72 | 72 | 72 | 72 | 71 | 70 | 71 | 64 |