YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.24 | 0.24 | k | |
1959 | 2.23 | 2.09 | 0.47 | 0.14 | 2.20 | 1.11 | 0.00 | 0.57 | 1.44 | 0.40 | 0.01 | 1.80 | 12.46 | |||||||||||||
1960 | 1.37 | 2.18 | 1.11 | 0.86 | 0.18 | 0.33 | 0.02 | 0.79 | 0.23 | 1.29 | 1.66 | 0.29 | 10.31 | |||||||||||||
1961 | 0.12 | 0.89 | 0.38 | 0.67 | 1.46 | 0.50 | 0.59 | 1.49 | 3.57 | 1.36 | 0.38 | 0.68 | 12.09 | |||||||||||||
1962 | 0.90 | 3.50 | 2.02 | 0.52 | 4.12 | 0.56 | 1.42 | 0.50 | 1.07 | 0.67 | 0.44 | 1.19 | 16.91 | |||||||||||||
1963 | 1.44 | 2.99 | 0.54 | 2.95 | 2.52 | 4.15 | 0.01 | 1.66 | 1.77 | 0.67 | 2.72 | 0.52 | 21.94 | |||||||||||||
1964 | 1.81 | 0.11 | 2.35 | 1.12 | 1.49 | 1.77 | 0.21 | 0.49 | 0.00 | 1.03 | 2.09 | 8.73 | 21.20 | |||||||||||||
1965 | 1.50 | 0.17 | 0.32 | 2.77 | 1.63 | 2.04 | 0.35 | 2.57 | 0.17 | 0.05 | 2.17 | 2.08 | 15.82 | |||||||||||||
1966 | 3.10 | 0.96 | 1.61 | 0.39 | 0.80 | 0.28 | 0.41 | 0.22 | 0.10 | 0.75 | 1.27 | 3.60 | 13.49 | |||||||||||||
1967 | 6.19 | 0.27 | 1.93 | 1.45 | 0.46 | 2.83 | 0.78 | 0.00 | 0.23 | 1.27 | 2.14 | 1.89 | 19.44 | |||||||||||||
1968 | 2.60 | 1.06 | 0.46 | 0.46 | 2.23 | 2.97 | 0.01 | 3.71 | ----- | z | 0.02 | 1.65 | 4.97 | 20.14 | a | |||||||||||
1969 | 12.18 | 3.37 | 0.18 | 0.32 | 0.42 | 1.79 | 0.14 | 0.00 | 0.75 | 0.54 | 0.60 | 1.82 | 22.11 | |||||||||||||
1970 | 3.08 | 0.34 | 2.01 | 0.81 | 1.69 | 1.49 | 0.80 | 0.17 | 0.82 | 1.40 | 3.00 | 4.15 | 19.76 | |||||||||||||
1971 | 1.62 | 0.78 | 1.98 | 0.72 | 2.18 | 1.81 | 0.44 | 0.39 | 1.92 | 1.05 | 1.29 | 3.53 | 17.71 | |||||||||||||
1972 | 1.11 | 0.78 | 0.56 | 0.87 | 1.75 | 1.71 | 0.23 | 0.30 | 1.49 | 1.21 | 2.71 | 2.10 | 14.82 | |||||||||||||
1973 | 2.71 | 1.92 | 1.00 | 0.73 | 0.56 | 0.84 | 1.05 | 0.53 | 0.48 | 0.32 | 4.48 | 1.22 | 15.84 | |||||||||||||
1974 | 1.54 | 0.35 | 1.95 | 0.10 | 0.14 | 0.05 | 0.21 | 0.53 | 0.02 | 1.92 | 0.86 | 1.78 | 9.45 | |||||||||||||
1975 | 1.23 | 2.05 | 2.18 | 2.41 | 1.99 | 1.16 | 0.60 | 0.40 | 0.00 | 1.28 | 1.45 | 1.11 | 15.86 | |||||||||||||
1976 | 1.17 | 3.53 | 0.35 | 1.78 | 1.19 | a | 0.48 | 0.11 | 0.95 | 1.81 | 0.34 | 0.00 | 0.12 | 11.83 | ||||||||||||
1977 | 1.11 | 0.32 | 1.47 | 0.12 | 2.73 | 1.18 | 1.42 | 0.38 | 0.80 | 0.10 | 0.98 | 2.39 | 13.00 | |||||||||||||
1978 | 2.89 | 3.23 | 1.12 | ----- | z | 1.20 | 0.35 | 0.51 | 0.19 | 2.08 | 0.19 | 0.60 | 0.87 | 13.23 | a | |||||||||||
1979 | 0.76 | 1.44 | a | 0.65 | 0.13 | 1.16 | 0.48 | 1.06 | 2.70 | 0.27 | 2.17 | 0.60 | a | 1.17 | 12.59 | |||||||||||
1980 | 6.34 | 1.93 | 1.19 | ----- | z | 5.40 | 0.98 | 1.09 | 0.84 | 1.59 | 0.32 | 0.79 | 1.47 | 21.94 | a | |||||||||||
1981 | 3.18 | 0.87 | 1.90 | 3.10 | 2.79 | 0.56 | 0.17 | 0.05 | 0.14 | 1.51 | 1.65 | g | 3.39 | 17.66 | a | |||||||||||
1982 | 1.43 | a | 1.41 | f | 2.82 | q | 3.29 | 1.44 | 3.27 | b | 2.54 | 0.55 | 1.21 | 1.58 | a | 0.74 | m | 3.05 | 18.36 | c | ||||||
1983 | 0.63 | 2.22 | 3.20 | 1.02 | 0.47 | b | 1.47 | 0.30 | d | 2.85 | a | 1.76 | 1.46 | 1.33 | k | 3.21 | 18.59 | a | ||||||||
1984 | 0.55 | 1.42 | 0.94 | 0.45 | a | 0.72 | c | 1.93 | 2.91 | a | 1.91 | 0.18 | a | 0.98 | j | 2.17 | f | 0.43 | c | 11.44 | b | |||||
1985 | 0.45 | 1.43 | 2.12 | 0.22 | 1.04 | 0.32 | 0.81 | 0.06 | 2.09 | 0.42 | a | 1.50 | 1.55 | a | 12.01 | |||||||||||
1986 | 0.88 | 2.46 | 1.16 | a | 0.94 | a | 1.95 | 0.48 | a | 1.07 | 1.55 | 1.56 | b | 0.31 | 0.42 | a | 0.08 | 12.86 | ||||||||
1987 | 0.87 | b | 1.40 | d | 0.76 | a | 0.30 | 2.47 | a | ----- | z | 3.40 | b | 0.14 | 0.00 | 0.05 | 1.15 | 0.87 | h | 10.54 | b | |||||
1988 | 0.00 | y | 0.00 | 0.35 | 0.59 | b | ----- | z | 0.06 | b | 0.21 | 0.81 | 0.33 | 0.00 | a | 4.34 | c | 2.20 | m | 6.69 | c | |||||
1989 | 1.05 | l | 1.13 | 2.65 | a | 0.13 | 0.83 | 0.47 | 0.48 | a | 0.43 | 0.54 | a | 1.04 | f | 0.88 | 0.15 | 7.69 | b | |||||||
1990 | 1.87 | a | 1.52 | e | 0.78 | 1.64 | e | 3.14 | 1.75 | 0.14 | ----- | z | 0.21 | 0.00 | 0.57 | 0.56 | 12.18 | a | ||||||||
1991 | 0.08 | 0.00 | 2.17 | 2.14 | a | 2.21 | 1.28 | 1.15 | 1.14 | 0.63 | a | 2.56 | 1.09 | 0.37 | p | 14.45 | a | |||||||||
1992 | 0.26 | b | 1.81 | 0.45 | 0.29 | 0.24 | 1.31 | 0.29 | 0.09 | 0.98 | 1.07 | 0.82 | 2.24 | 9.85 | ||||||||||||
1993 | 3.24 | 3.58 | 1.19 | 1.14 | 1.34 | 3.70 | 0.92 | c | 1.06 | 0.79 | 1.18 | 0.18 | 0.72 | 19.04 | ||||||||||||
1994 | 0.57 | 1.57 | 0.00 | b | 0.93 | 1.29 | 0.10 | 0.14 | 1.31 | 0.37 | 1.64 | 1.98 | 1.67 | 11.57 | ||||||||||||
1995 | 2.84 | a | 0.66 | 3.44 | 1.16 | 3.96 | ----- | z | 0.66 | 0.28 | 0.22 | ----- | z | 0.89 | ----- | z | 14.11 | c | ||||||||
1996 | 3.75 | f | 0.94 | 1.48 | 1.15 | 1.99 | 0.15 | 0.05 | 0.00 | 0.59 | 0.31 | a | 2.33 | a | 4.25 | e | 13.24 | a | ||||||||
1997 | 2.12 | d | 0.02 | 0.04 | 0.72 | a | 1.07 | 1.46 | 0.75 | 1.47 | 1.38 | 0.73 | d | 0.82 | 0.53 | 11.11 | ||||||||||
1998 | 2.58 | 2.71 | 1.42 | 1.31 | 3.49 | 2.97 | 1.17 | 0.15 | 1.13 | 0.95 | 3.75 | 0.95 | 22.58 | |||||||||||||
1999 | 2.91 | 5.53 | 0.38 | 1.05 | 2.29 | 0.70 | 0.00 | 1.48 | 0.20 | 0.33 | 0.21 | 1.22 | 16.30 | |||||||||||||
2000 | 2.02 | 2.26 | 0.97 | 0.66 | 0.96 | 0.08 | 0.39 | 0.06 | 0.77 | 2.59 | 0.69 | a | 1.41 | 12.86 | ||||||||||||
2001 | 1.89 | 1.66 | 0.47 | 1.64 | 0.14 | 0.13 | 1.22 | 0.95 | 0.47 | 0.71 | 1.78 | 3.71 | 14.77 | |||||||||||||
2002 | 1.77 | 0.37 | 1.08 | 1.91 | 0.34 | 1.26 | 0.40 | 0.63 | 0.84 | 0.19 | 1.00 | 3.00 | 12.79 | |||||||||||||
2003 | 0.76 | 1.18 | 1.01 | 1.78 | 1.07 | 0.35 | 0.04 | 0.58 | 0.06 | 0.10 | 0.54 | 2.83 | 10.30 | |||||||||||||
2004 | 1.96 | a | 1.47 | 0.02 | 0.50 | a | 1.92 | 0.87 | 0.89 | 1.77 | 1.04 | 2.82 | 0.13 | 3.15 | 16.54 | |||||||||||
2005 | 1.72 | 0.14 | i | 2.37 | 1.79 | 3.99 | 1.40 | 0.06 | 0.01 | 0.21 | 0.98 | 1.73 | 4.48 | 18.74 | a | |||||||||||
2006 | 3.89 | 0.63 | 2.19 | 1.49 | 0.02 | b | 0.61 | 0.35 | 0.00 | 0.73 | 1.38 | 1.32 | 0.82 | a | 13.43 | |||||||||||
2007 | 0.40 | 1.85 | 0.29 | 1.07 | 0.23 | 0.82 | 0.48 | 0.05 | 1.19 | 1.83 | 0.68 | 1.77 | a | 10.66 | ||||||||||||
2008 | 3.08 | 2.11 | 0.53 | 0.07 | 0.89 | 0.86 | 0.00 | 0.17 | 0.49 | 0.90 | 1.62 | 4.99 | 15.71 | |||||||||||||
2009 | 1.13 | 0.94 | 1.25 | 1.54 | 1.21 | 6.63 | 0.22 | 0.53 | 0.31 | 2.04 | 0.42 | 1.08 | 17.30 | |||||||||||||
2010 | 3.96 | 0.33 | 1.39 | b | 2.32 | 1.68 | 1.50 | 0.38 | 0.43 | 0.36 | 2.42 | 1.99 | 3.23 | 19.99 | ||||||||||||
2011 | 0.25 | b | 0.73 | 2.65 | e | 1.02 | 1.23 | 1.81 | 0.14 | 0.21 | 0.16 | 2.68 | 0.57 | 0.61 | 12.06 | |||||||||||
2012 | 1.89 | 0.53 | 1.31 | d | 0.37 | 0.64 | 0.24 | 0.98 | 0.48 | 0.30 | 0.79 | 2.02 | 3.08 | 12.63 | ||||||||||||
2013 | 1.27 | 0.59 | 0.73 | 0.39 | 0.75 | 0.34 | 0.20 | 0.07 | 2.04 | 0.48 | 0.30 | 0.38 | 7.54 | |||||||||||||
2014 | 0.68 | 1.24 | 1.86 | 0.86 | a | 0.19 | 0.28 | 0.62 | 2.67 | 1.60 | 0.12 | 1.24 | 1.85 | 13.21 | ||||||||||||
2015 | 0.89 | 0.67 | 0.30 | 0.74 | 3.19 | e | 0.05 | 0.91 | 1.02 | 1.24 | 1.33 | 1.21 | 3.81 | 15.36 | ||||||||||||
2016 | 2.01 | 0.27 | 2.36 | 1.65 | 2.77 | 0.29 | 0.03 | 0.31 | 2.39 | 3.74 | ----- | z | 2.71 | o | 15.82 | b | ||||||||||
2017 | 5.82 | q | 5.60 | h | 1.06 | c | 1.70 | l | 2.70 | l | 0.06 | S | 0.00 | e | 1.06 | d | 1.96 | l | 0.90 | h | 2.17 | h | 0.32 | j | 2.18 | h |
2018 | 1.13 | e | 0.89 | e | 3.65 | e | 1.23 | k | 3.57 | c | 1.44 | g | 0.00 | j | 0.24 | e | 0.04 | a | 1.44 | c | 1.18 | m | 0.17 | o | 10.96 | e |
2019 | ----- | z | 3.84 | k | 4.39 | d | 1.43 | d | 4.10 | f | 0.53 | k | 0.16 | k | 0.05 | k | 2.05 | f | 0.59 | i | 1.88 | S | 1.21 | k | 5.82 | j |
2020 | 1.89 | S | 0.45 | S | 2.32 | q | 0.73 | w | 0.69 | s | 0.48 | k | 0.10 | 1.70 | k | 0.08 | b | 0.33 | f | 1.55 | o | 0.46 | t | 0.18 | j | |
2021 | 0.81 | t | 1.80 | j | 0.41 | e | 0.79 | k | 0.64 | n | 0.06 | f | 0.29 | j | 0.90 | p | 0.08 | i | 3.19 | r | 0.56 | o | 2.49 | o | 0.41 | k |
2022 | 0.92 | p | 0.13 | n | 0.30 | j | 0.63 | j | 1.94 | i | 0.92 | j | 0.00 | 0.10 | j | 0.30 | S | 0.79 | l | 1.63 | j | 3.18 | q | 0.00 | k | |
2023 | 2.65 | k | 0.33 | S | 6.31 | S | 0.36 | q | 1.38 | l | 2.60 | m | 0.00 | g | 2.19 | f | 0.18 | m | 2.53 | i | 0.88 | S | 0.24 | t | 0.00 | l |
2024 | 1.13 | h | 3.22 | g | 1.33 | h | 0.83 | j | 0.93 | j | 0.13 | l | 0.01 | 0.82 | d | 0.58 | k | 0.10 | h | 1.12 | j | ----- | z | 0.83 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 2.00 | 1.43 | 1.32 | 1.09 | 1.64 | 1.20 | 0.58 | 0.78 | 0.83 | 1.05 | 1.32 | 2.07 | 14.69 | |||||||||||||
S.D. | 1.90 | 1.13 | 0.97 | 0.80 | 1.19 | 1.22 | 0.68 | 0.82 | 0.76 | 0.85 | 1.02 | 1.64 | 3.76 | |||||||||||||
SKEW | 3.15 | 1.18 | 0.92 | 0.96 | 0.90 | 2.07 | 2.20 | 1.57 | 1.13 | 0.91 | 1.28 | 1.42 | 0.47 | |||||||||||||
MAX | 12.18 | 5.53 | 4.39 | 3.29 | 5.40 | 6.63 | 3.40 | 3.71 | 3.57 | 3.74 | 4.48 | 8.73 | 22.58 | |||||||||||||
MIN | 0.08 | 0.00 | 0.00 | 0.07 | 0.02 | 0.05 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 7.54 | |||||||||||||
YRS | 56 | 57 | 61 | 57 | 58 | 57 | 62 | 60 | 59 | 56 | 53 | 54 | 42 |