YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.09 | k | 0.45 | 0.13 | 1.34 | 0.06 | 0.62 | 0.21 | 2.81 | f | ||||||
1959 | 0.16 | 1.26 | 0.56 | 0.19 | 0.72 | 1.44 | 0.14 | 0.71 | 3.16 | 1.85 | 0.31 | 0.45 | 10.95 | |||||||||||||
1960 | 0.37 | 1.40 | 0.99 | 0.44 | 0.49 | 0.46 | 0.30 | 0.76 | 0.33 | 0.82 | 1.09 | 0.39 | 7.84 | |||||||||||||
1961 | 0.05 | 0.41 | 1.56 | 1.03 | 1.34 | 0.05 | 0.49 | 0.61 | 3.12 | 1.33 | 0.49 | 0.75 | 11.23 | |||||||||||||
1962 | 1.18 | 1.91 | 0.45 | 1.10 | 0.63 | 0.56 | 0.05 | 0.16 | 0.26 | 0.27 | 0.62 | 0.26 | 7.45 | |||||||||||||
1963 | 0.33 | 0.38 | 1.34 | 2.77 | 0.20 | 0.54 | 0.39 | 2.46 | 0.42 | 0.32 | a | 0.98 | 0.48 | 10.61 | ||||||||||||
1964 | 0.85 | 0.51 | 1.04 | 1.78 | 0.90 | 1.15 | 0.27 | 0.86 | 0.85 | 0.33 | 3.04 | 2.73 | 14.31 | |||||||||||||
1965 | 1.34 | 0.41 | 0.54 | 1.32 | 1.74 | 1.65 | 1.95 | 1.47 | 2.30 | 0.31 | 1.50 | 1.48 | 16.01 | |||||||||||||
1966 | 0.30 | 0.43 | 0.28 | 0.09 | 0.20 | 0.22 | 0.41 | 1.27 | 1.00 | 1.93 | 0.54 | 1.89 | 8.56 | |||||||||||||
1967 | 0.53 | 0.35 | 0.38 | 0.68 | 1.64 | 1.98 | 0.37 | 0.31 | 0.81 | l | 0.36 | 1.23 | 2.60 | 10.43 | a | |||||||||||
1968 | 0.29 | 0.86 | 0.88 | 2.58 | 1.29 | 0.40 | 0.80 | 2.19 | ----- | z | 0.44 | 0.57 | 0.63 | 10.93 | a | |||||||||||
1969 | 1.14 | 0.85 | 0.29 | 1.04 | 0.00 | 2.15 | 1.06 | 0.70 | 1.62 | 2.19 | 0.71 | 1.10 | 12.85 | |||||||||||||
1970 | 0.36 | 0.35 | 0.82 | 0.77 | 0.51 | 1.88 | 0.74 | 0.11 | 1.05 | 2.77 | 1.44 | 0.38 | 11.18 | |||||||||||||
1971 | 1.67 | 0.81 | 0.39 | 0.71 | 2.62 | 0.04 | 0.34 | 0.29 | 1.02 | 2.36 | 0.36 | 0.70 | a | 11.31 | ||||||||||||
1972 | 0.19 | 0.64 | 0.62 | 0.98 | 0.58 | 0.68 | 0.40 | 1.36 | 1.42 | 1.49 | 0.56 | 1.81 | 10.73 | |||||||||||||
1973 | 0.34 | 0.14 | 0.81 | 1.28 | 1.51 | 1.36 | 1.60 | q | 0.87 | 1.08 | 0.27 | ----- | z | ----- | z | 7.66 | c | |||||||||
1974 | 0.30 | p | 0.19 | 1.06 | 1.01 | 0.03 | 1.92 | 1.33 | 0.19 | 0.32 | ----- | z | ----- | z | ----- | z | 6.05 | d | ||||||||
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.82 | l | 1.03 | 2.80 | 0.70 | 4.53 | i | |||
1978 | 2.10 | 0.85 | 2.10 | 2.71 | 1.42 | 0.64 | 0.40 | 1.27 | 1.69 | 0.91 | 2.81 | 2.12 | 19.02 | |||||||||||||
1979 | 0.83 | 1.63 | 4.11 | 1.18 | 3.27 | 0.62 | 1.07 | 1.36 | 0.10 | 2.64 | 0.92 | 0.54 | a | 18.27 | ||||||||||||
1980 | 2.15 | 1.79 | 2.39 | 1.49 | 2.72 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 10.54 | g | |||||
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1983 | ----- | z | ----- | z | 0.29 | 0.67 | g | 2.28 | 1.04 | 1.69 | 0.98 | 0.71 | 2.01 | 2.18 | 3.25 | 14.43 | c | |||||||||
1984 | 0.71 | 1.01 | 1.48 | a | 2.19 | e | 0.48 | 2.74 | 1.48 | 1.72 | 1.89 | g | 2.63 | e | 0.69 | 1.11 | 16.24 | a | ||||||||
1985 | 1.08 | 0.33 | b | 1.21 | a | 3.35 | b | 0.68 | i | 2.95 | 2.92 | 0.05 | l | 0.65 | b | 1.94 | 1.92 | 0.58 | a | 16.93 | b | |||||
1986 | 0.21 | 0.39 | a | 1.13 | 1.49 | d | 1.55 | 1.34 | 1.88 | 0.37 | c | 2.21 | t | 1.24 | f | 0.90 | 0.53 | a | 9.79 | b | ||||||
1987 | 0.91 | 1.07 | 1.55 | a | 0.22 | 0.42 | b | 0.19 | x | 0.97 | 1.52 | 0.10 | a | 0.63 | 0.96 | 0.92 | 9.27 | a | ||||||||
1988 | 1.56 | 0.28 | 0.53 | 0.68 | 1.39 | 0.48 | 0.12 | 0.96 | ----- | z | 0.00 | 1.08 | 0.80 | b | 7.88 | a | ||||||||||
1989 | 0.30 | 1.45 | 0.74 | a | 0.14 | 0.03 | 0.60 | 0.67 | 0.22 | f | 0.68 | 0.26 | 0.75 | 0.23 | 5.85 | a | ||||||||||
1990 | 0.23 | 2.12 | 0.87 | 1.12 | 0.31 | ----- | z | 0.35 | g | 0.26 | 0.66 | b | 2.06 | 1.96 | 0.98 | 10.57 | b | |||||||||
1991 | 0.24 | 0.22 | 1.40 | 1.03 | c | 0.40 | 0.79 | 0.83 | 1.02 | a | 0.70 | 1.20 | 1.10 | 0.45 | 9.38 | |||||||||||
1992 | 0.25 | 0.49 | 0.89 | 0.69 | 1.22 | 0.23 | 2.40 | 0.36 | 0.95 | 1.03 | 0.95 | 0.97 | b | 10.43 | ||||||||||||
1993 | 1.21 | 0.79 | b | 1.08 | a | 2.16 | 1.12 | 0.21 | 0.53 | 0.15 | a | 0.38 | 2.38 | 1.30 | 0.34 | 11.65 | ||||||||||
1994 | 0.43 | 0.56 | 0.74 | 0.93 | 0.29 | 0.25 | 0.00 | 1.67 | 0.81 | a | 1.37 | 1.52 | 0.31 | 8.88 | ||||||||||||
1995 | 0.82 | 1.47 | 1.45 | 2.14 | 5.15 | 1.35 | 0.91 | 0.63 | 1.27 | b | 1.05 | 0.67 | 0.28 | 17.19 | ||||||||||||
1996 | 2.06 | 1.53 | 0.44 | 2.89 | 1.11 | 0.28 | 1.00 | 0.83 | 0.76 | 1.67 | e | 2.39 | 0.82 | 15.78 | ||||||||||||
1997 | 2.21 | a | 0.60 | 0.31 | 2.16 | 1.35 | a | 0.73 | e | 0.61 | 2.73 | 4.02 | 2.15 | d | 0.54 | 0.45 | 17.86 | |||||||||
1998 | 0.60 | 0.80 | 2.29 | a | 0.72 | 0.27 | a | 3.22 | c | 1.87 | 0.34 | 0.43 | c | 1.98 | 0.60 | 0.62 | 13.74 | |||||||||
1999 | 1.00 | 0.92 | d | 0.53 | 5.17 | 1.95 | a | 0.32 | h | 0.77 | a | 0.93 | 0.67 | c | 0.31 | d | 0.25 | 0.53 | 13.03 | a | ||||||
2000 | 0.74 | 1.14 | 1.00 | 1.29 | 0.95 | c | 0.05 | 0.36 | 0.38 | 1.60 | e | 1.10 | 1.21 | 0.93 | 10.75 | |||||||||||
2001 | 0.45 | 0.86 | 0.59 | 1.21 | 1.41 | 0.39 | 0.30 | 1.33 | 0.49 | c | 1.01 | 1.20 | 0.37 | 9.61 | ||||||||||||
2002 | 0.66 | 0.33 | 1.58 | 0.62 | 0.00 | 0.20 | 0.86 | 0.85 | 1.27 | 1.30 | 0.89 | a | 0.45 | a | 9.01 | |||||||||||
2003 | 0.62 | 1.37 | 1.41 | 0.30 | e | 0.97 | 0.67 | 0.03 | 1.01 | 0.59 | 0.33 | 1.53 | 0.91 | 9.74 | ||||||||||||
2004 | 0.49 | 0.63 | 0.19 | 0.73 | i | 0.58 | 0.55 | 1.12 | 0.46 | 1.07 | 1.44 | f | 0.92 | 0.37 | a | 6.38 | b | |||||||||
2005 | 1.75 | b | 1.73 | 0.60 | 1.49 | 1.24 | 2.42 | 0.13 | 0.62 | b | 1.13 | 1.75 | c | 0.92 | 0.29 | 14.07 | ||||||||||
2006 | 0.74 | 0.27 | 1.88 | 0.94 | 0.19 | 0.19 | 0.37 | 1.06 | 1.90 | 3.36 | g | 0.71 | 0.35 | 8.60 | a | |||||||||||
2007 | 1.29 | 1.18 | 0.82 | 0.51 | 1.25 | 0.49 | 0.56 | 0.74 | a | 2.79 | 1.81 | 0.10 | 3.46 | 15.00 | ||||||||||||
2008 | 1.22 | a | 0.95 | 1.50 | 0.50 | 2.24 | 0.64 | d | 0.09 | a | 0.91 | 2.03 | 0.38 | 1.10 | a | 2.06 | 13.62 | |||||||||
2009 | 1.20 | j | 0.11 | 1.89 | 2.16 | 1.44 | 3.26 | 0.28 | b | 1.30 | 0.56 | 1.29 | 1.09 | 1.04 | 14.42 | a | ||||||||||
2010 | 0.34 | 0.71 | 1.03 | b | 1.87 | 0.82 | 1.29 | 0.47 | 1.79 | 0.45 | 1.40 | 1.79 | 3.44 | 15.40 | ||||||||||||
2011 | 0.55 | 1.03 | 1.22 | 3.78 | 2.03 | 0.51 | 1.50 | 0.85 | 0.75 | 0.82 | 0.53 | e | 0.37 | 13.94 | ||||||||||||
2012 | 0.38 | 1.24 | 0.52 | 0.61 | 0.18 | 0.00 | 0.15 | 0.09 | 1.02 | 0.32 | 1.11 | 2.20 | 7.82 | |||||||||||||
2013 | 1.19 | 0.50 | 0.64 | 2.38 | 0.86 | 0.00 | 0.57 | 0.55 | 2.53 | 2.11 | 0.99 | 1.14 | 13.46 | |||||||||||||
2014 | 0.66 | 0.30 | 1.30 | 0.86 | 2.14 | 0.44 | 0.26 | 2.94 | 2.09 | 1.26 | 1.14 | 1.11 | 14.50 | |||||||||||||
2015 | 0.34 | 0.29 | 1.02 | 0.96 | 3.30 | 0.42 | 0.86 | 0.78 | 0.85 | 0.76 | 2.21 | 1.85 | 13.64 | |||||||||||||
2016 | 1.07 | 1.30 | 1.87 | 0.83 | 1.36 | 0.27 | 0.96 | 0.48 | 1.01 | 0.69 | 1.30 | 1.33 | 12.47 | |||||||||||||
2017 | 2.61 | 2.40 | 0.95 | 1.29 | 1.78 | c | 0.20 | 0.34 | 0.29 | 0.92 | 1.79 | a | 0.97 | 0.36 | 13.90 | |||||||||||
2018 | 1.03 | 0.64 | i | 1.21 | r | 1.27 | 0.39 | 0.00 | 0.58 | 0.90 | 0.15 | 2.38 | 0.99 | 0.59 | 8.28 | b | ||||||||||
2019 | 1.27 | 1.47 | 1.90 | 1.26 | 1.69 | 1.82 | c | 0.14 | 1.66 | 1.13 | 1.33 | 1.00 | 1.62 | 16.29 | ||||||||||||
2020 | 0.60 | 0.92 | 1.50 | 0.62 | 0.90 | 0.73 | 0.09 | 0.17 | 0.30 | 0.55 | 1.20 | 0.96 | 8.54 | |||||||||||||
2021 | 0.18 | 0.91 | 1.32 | 0.32 | 0.28 | 0.59 | 0.77 | 0.69 | 1.24 | 1.71 | 0.23 | 2.64 | 10.88 | |||||||||||||
2022 | 0.50 | 0.84 | 1.43 | 0.42 | 1.53 | a | 0.10 | 0.74 | 0.34 | 0.49 | 1.82 | 1.62 | 1.89 | 11.72 | ||||||||||||
2023 | 2.33 | 0.81 | 1.67 | 0.85 | 0.72 | 0.93 | 0.59 | 0.07 | 0.33 | 0.84 | 0.76 | 0.54 | 10.44 | |||||||||||||
2024 | 0.49 | 1.23 | 1.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.35 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.85 | 0.88 | 1.12 | 1.32 | 1.18 | 0.89 | 0.72 | 0.89 | 1.10 | 1.25 | 1.12 | 1.06 | 12.38 | |||||||||||||
S.D. | 0.63 | 0.53 | 0.67 | 0.97 | 0.96 | 0.85 | 0.61 | 0.66 | 0.83 | 0.76 | 0.64 | 0.86 | 3.04 | |||||||||||||
SKEW | 1.06 | 0.71 | 1.59 | 1.58 | 1.53 | 1.28 | 1.49 | 1.15 | 1.48 | 0.17 | 1.16 | 1.33 | 0.35 | |||||||||||||
MAX | 2.61 | 2.40 | 4.11 | 5.17 | 5.15 | 3.26 | 2.92 | 2.94 | 4.02 | 2.77 | 3.04 | 3.46 | 19.02 | |||||||||||||
MIN | 0.05 | 0.11 | 0.19 | 0.09 | 0.00 | 0.00 | 0.00 | 0.07 | 0.10 | 0.00 | 0.10 | 0.21 | 7.45 | |||||||||||||
YRS | 58 | 59 | 60 | 58 | 59 | 56 | 58 | 58 | 55 | 57 | 59 | 59 | 42 |