YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.61 | 0.25 | 0.55 | a | 2.50 | c | 1.36 | c | 0.43 | b | ----- | z | ||
1953 | 0.45 | d | 7.12 | b | 3.06 | d | 0.70 | b | 0.85 | a | 1.53 | b | 0.15 | 1.18 | b | 0.43 | d | 0.42 | c | 1.66 | 2.30 | 7.12 | x | |||
1954 | 1.24 | e | 4.53 | a | 1.67 | e | 0.67 | g | 2.78 | f | 0.23 | 0.12 | d | 1.22 | j | 0.85 | 0.68 | c | 8.44 | g | 2.48 | b | ----- | z | ||
1955 | 0.98 | c | 4.49 | d | 4.38 | c | 0.88 | d | 0.36 | c | 0.41 | a | 1.42 | b | 0.98 | a | 0.83 | f | 1.10 | g | 2.31 | e | 4.45 | j | ----- | z |
1956 | 4.83 | k | 4.50 | e | 1.74 | e | 1.65 | d | 0.71 | d | 0.05 | e | 1.82 | g | 2.95 | n | 0.44 | h | 7.50 | d | 15.00 | c | 1.20 | i | ----- | z |
1957 | 7.50 | b | 1.60 | b | 0.70 | a | 1.56 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.45 | d | 1.80 | f | 2.25 | d | ----- | z |
1958 | 0.32 | f | 0.73 | i | 3.70 | c | 0.50 | i | 1.25 | ----- | z | ----- | z | ----- | z | ----- | z | 1.38 | a | 0.98 | 3.30 | ----- | z | |||
1959 | 7.30 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | 2.13 | i | 0.75 | 6.96 | 1.58 | x | 1.82 | w | 0.62 | 0.50 | 0.86 | 3.21 | r | 1.80 | v | 1.08 | 1.02 | v | ----- | z | ||||||
1961 | 1.17 | 1.27 | 0.38 | 1.04 | 2.18 | 1.19 | v | 0.38 | 0.37 | 1.39 | 6.15 | 1.13 | 6.82 | 6.82 | v | |||||||||||
1962 | 1.78 | 1.45 | a | 1.85 | f | 0.93 | f | 2.03 | 0.61 | 0.94 | k | 1.00 | f | 3.60 | d | 3.30 | 0.22 | 0.60 | g | ----- | z | |||||
1963 | 1.82 | 1.12 | 4.39 | e | 15.24 | a | 2.16 | 0.98 | a | 2.22 | 1.23 | 1.22 | 1.04 | 2.08 | g | 0.93 | 15.24 | n | ||||||||
1964 | 2.09 | 0.72 | 3.40 | a | 0.45 | 2.75 | 0.74 | 0.60 | 0.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||||||
1965 | 1.50 | 1.71 | 2.02 | 2.04 | ----- | z | 0.10 | 1.40 | 1.10 | 2.50 | 2.40 | 4.77 | 1.50 | h | ----- | z | ||||||||||
1966 | 0.82 | a | 2.30 | 1.30 | 2.35 | 0.68 | a | 0.00 | 0.75 | 1.51 | 3.04 | a | 1.15 | a | 4.55 | a | 3.38 | k | 4.55 | p | ||||||
1967 | 0.55 | a | 0.42 | g | 1.65 | 3.10 | b | 3.00 | a | 0.85 | a | 1.55 | a | 2.80 | a | 0.44 | 1.40 | c | 7.50 | a | 1.89 | b | 7.50 | t | ||
1968 | 7.85 | f | 4.08 | 1.60 | k | 2.21 | 2.40 | a | 1.85 | b | 2.25 | a | 0.75 | 1.92 | i | 2.00 | h | ----- | z | 3.06 | g | ----- | z | |||
1969 | 13.50 | v | 1.48 | l | 1.00 | m | 1.20 | x | 0.68 | e | 0.71 | q | 0.64 | u | 0.83 | n | 2.30 | u | 1.12 | u | 0.64 | t | 0.84 | y | ----- | z |
1970 | 1.81 | s | 0.75 | p | ----- | z | 0.86 | s | 2.02 | o | 0.90 | u | 0.31 | y | 5.70 | t | 0.72 | w | 1.64 | x | 2.52 | t | 2.78 | w | ----- | z |
1971 | 7.60 | v | 2.75 | t | 2.57 | v | 3.75 | x | 3.70 | u | ----- | z | 1.40 | w | ----- | z | 2.22 | v | 2.23 | v | ----- | z | ----- | z | ----- | z |
1972 | 5.57 | t | 3.25 | w | ----- | z | 2.55 | u | 1.38 | w | 0.93 | v | 0.72 | p | 3.00 | w | 0.79 | u | 5.15 | v | ----- | z | 1.75 | u | ----- | z |
1973 | 0.70 | q | 0.25 | x | 0.55 | w | 1.53 | t | 0.90 | w | 0.80 | w | 0.20 | x | 0.15 | k | 4.70 | t | 1.27 | v | 9.20 | u | 14.60 | u | ----- | z |
1974 | 1.45 | w | 4.10 | t | 2.97 | v | 2.16 | v | 1.84 | v | 1.43 | w | ----- | z | 2.30 | x | 1.70 | u | 4.80 | s | 4.60 | u | 6.50 | w | ----- | z |
1975 | 1.80 | y | 17.20 | t | 1.90 | w | 1.50 | x | ----- | z | ----- | z | ----- | z | 0.10 | b | 1.95 | g | ----- | z | 6.30 | r | 1.50 | p | ----- | z |
1976 | 12.60 | g | 10.70 | k | 4.20 | d | 2.00 | a | 0.50 | u | 1.20 | d | 0.10 | o | ----- | z | ----- | z | ----- | z | 1.09 | x | ----- | z | ----- | z |
1977 | ----- | z | 2.93 | v | 1.44 | v | ----- | z | 1.11 | r | 0.50 | l | 0.00 | s | ----- | z | 1.60 | q | ----- | z | 1.30 | t | 0.58 | k | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.85 | 1.07 | 0.17 | ----- | z | ----- | z | 1.48 | ----- | z | ||||
1979 | 1.49 | 20.20 | 0.46 | 9.24 | ----- | z | ----- | z | 0.59 | n | 1.02 | a | ----- | z | ----- | z | 4.90 | a | 1.32 | ----- | z | |||||
1980 | 1.88 | 1.12 | 5.32 | a | ----- | z | ----- | z | 0.37 | 1.71 | 1.58 | 0.86 | 0.79 | 0.37 | 2.30 | ----- | z | |||||||||
1981 | 1.05 | 0.14 | 1.45 | 0.64 | k | 0.75 | 0.30 | 0.72 | 5.10 | 1.47 | 1.22 | 1.21 | 17.43 | 17.43 | k | |||||||||||
1982 | 8.30 | a | 1.18 | f | 3.51 | 0.62 | 0.74 | 2.13 | 6.90 | 2.73 | 0.60 | 0.71 | 1.30 | 1.45 | u | ----- | z | |||||||||
1983 | 0.52 | 0.24 | a | 0.40 | 0.50 | 0.85 | 1.64 | 0.43 | 1.01 | 1.45 | 0.70 | 1.37 | 4.54 | a | 4.54 | b | ||||||||||
1984 | 1.51 | 0.63 | 0.44 | 0.39 | 0.39 | 0.07 | 1.62 | 0.45 | 1.08 | 1.19 | 2.29 | 3.35 | 3.35 | |||||||||||||
1985 | 0.67 | 2.17 | 6.42 | 0.49 | 0.61 | 1.83 | 0.86 | 1.16 | 0.85 | 3.50 | 4.77 | 0.70 | 6.42 | |||||||||||||
1986 | 0.74 | 0.79 | 1.32 | 8.53 | 0.51 | 0.32 | 2.32 | 1.72 | 1.91 | 0.94 | 3.68 | 0.22 | 8.53 | |||||||||||||
1987 | 0.37 | 1.75 | 0.24 | 0.82 | 1.11 | 1.09 | 1.86 | 0.74 | 1.50 | 1.52 | 1.04 | 13.00 | 13.00 | |||||||||||||
1988 | 2.65 | 0.19 | 1.62 | 2.63 | 0.89 | 0.28 | 0.36 | 2.82 | 0.65 | 1.66 | 0.67 | 1.22 | 2.82 | |||||||||||||
1989 | 2.80 | 2.24 | 7.80 | 4.69 | 0.81 | 1.34 | 8.20 | j | 1.10 | 0.98 | 10.50 | 0.60 | 1.03 | 10.50 | j | |||||||||||
1990 | 11.80 | 1.65 | 1.79 | 0.58 | 0.26 | 0.14 | 1.25 | 0.50 | 4.90 | 0.73 | 11.50 | 2.53 | 11.80 | |||||||||||||
1991 | 3.22 | 1.77 | 2.00 | 0.71 | 1.17 | 1.01 | 1.31 | m | 3.87 | 1.81 | 1.59 | 2.59 | 8.40 | 8.40 | m | |||||||||||
1992 | 1.03 | 0.31 | 0.24 | 0.55 | 1.12 | 0.51 | 1.24 | 0.75 | 1.93 | 2.56 | 2.68 | 0.90 | 2.68 | |||||||||||||
1993 | 6.55 | 0.30 | 0.68 | 0.28 | 1.45 | 0.26 | 3.44 | 0.52 | 1.01 | 1.56 | 0.40 | g | 0.63 | 6.55 | g | |||||||||||
1994 | 1.82 | 4.45 | 3.40 | 0.37 | 0.38 | 0.35 | 2.56 | 5.40 | 10.20 | 1.51 | 1.64 | 0.27 | 10.20 | |||||||||||||
1995 | 0.95 | 0.65 | 0.58 | 0.43 | 0.47 | 0.14 | 2.13 | 0.76 | 2.26 | 2.96 | 1.57 | 1.70 | 2.96 | |||||||||||||
1996 | 2.99 | 4.80 | 10.20 | 0.62 | 0.70 | 1.18 | 1.27 | 1.24 | 2.71 | 1.53 | 7.80 | 2.25 | 10.20 | |||||||||||||
1997 | 3.14 | 1.62 | 11.88 | 0.79 | 2.20 | 0.93 | 9.00 | 3.20 | 1.82 | 0.26 | 1.27 | 0.61 | 11.88 | |||||||||||||
1998 | 0.18 | 0.07 | 0.23 | 0.26 | 0.32 | 0.88 | 0.21 | 0.17 | 0.71 | 0.50 | 0.58 | 0.64 | 0.88 | |||||||||||||
1999 | 1.80 | 1.73 | 0.77 | 1.76 | 0.25 | 0.27 | 0.22 | 0.21 | 0.52 | 3.80 | 0.49 | 6.35 | 6.35 | |||||||||||||
2000 | 0.49 | 0.69 | 1.51 | 0.24 | 0.37 | 1.63 | 0.64 | 1.82 | 4.65 | 1.35 | 9.19 | a | 0.10 | 9.19 | a | |||||||||||
2001 | 0.57 | 6.10 | 0.54 | 0.69 | 0.53 | 0.53 | 0.14 | 0.66 | 0.87 | 1.64 | 14.00 | 2.59 | 14.00 | |||||||||||||
2002 | 13.20 | 0.87 | 2.90 | 6.40 | 5.40 | 0.55 | 0.72 | 0.41 | 1.00 | 1.12 | 0.12 | 1.76 | 13.20 | |||||||||||||
2003 | 0.37 | 0.69 | 0.82 | 0.53 | 0.19 | 0.78 | 1.09 | 0.33 | 1.83 | 0.88 | 0.45 | 5.30 | 5.30 | |||||||||||||
2004 | 5.30 | 4.60 | 1.46 | 1.62 | 3.00 | 0.51 | 0.60 | 2.80 | 0.67 | 2.60 | 1.14 | 1.14 | 5.30 | |||||||||||||
2005 | 3.60 | 7.00 | 2.50 | 0.21 | 0.47 | 0.86 | 0.17 | 1.05 | 1.55 | 1.38 | 0.36 | 2.57 | 7.00 | |||||||||||||
2006 | 6.60 | 0.44 | 6.70 | 0.30 | 2.71 | 0.18 | 0.74 | y | 2.20 | 0.55 | 4.70 | 2.47 | 0.38 | 6.70 | y | |||||||||||
2007 | 6.91 | 0.29 | 0.97 | 0.37 | 0.21 | 0.25 | 2.17 | 0.60 | 2.01 | 0.25 | 1.52 | 13.40 | 13.40 | |||||||||||||
2008 | 0.38 | 9.20 | 0.37 | 1.97 | 0.49 | 0.48 | 0.41 | 0.49 | 0.45 | 0.37 | 1.15 | 2.35 | 9.20 | |||||||||||||
2009 | 2.67 | 0.41 | c | 4.72 | 0.78 | 1.58 | 0.38 | 2.33 | 0.60 | 0.19 | 1.17 | 0.68 | 0.62 | 4.72 | c | |||||||||||
2010 | 0.08 | 0.59 | 1.19 | 0.31 | 0.26 | 0.15 | 0.10 | 0.08 | 0.16 | 1.36 | 0.93 | 2.07 | 2.07 | |||||||||||||
2011 | 1.32 | 1.05 | 2.62 | 0.89 | 1.35 | 0.07 | y | 0.75 | s | ----- | z | 0.58 | m | 0.43 | o | 0.26 | w | 1.63 | s | ----- | z | |||||
2012 | 1.09 | r | 0.96 | p | 1.69 | r | 0.41 | u | 0.63 | w | 0.87 | w | 0.42 | v | 0.41 | u | 0.29 | q | 0.35 | l | 0.62 | x | 2.26 | v | ----- | z |
2013 | 1.33 | 0.45 | 0.76 | 0.69 | k | 1.84 | 0.19 | 1.02 | m | 0.73 | s | 0.37 | r | 1.61 | g | 0.88 | l | 1.62 | n | ----- | z | |||||
2014 | 1.15 | v | 1.35 | e | 1.15 | v | 0.79 | t | 0.94 | k | 0.98 | k | 2.01 | r | 6.50 | n | 2.57 | e | 5.46 | k | 1.34 | k | 1.19 | w | ----- | z |
2015 | 0.55 | 0.49 | 1.55 | 0.30 | 0.78 | 0.80 | l | 1.96 | 2.01 | 3.31 | 1.40 | 0.24 | e | 1.26 | 3.31 | q | ||||||||||
2016 | 0.20 | 0.53 | 1.02 | 0.52 | 0.73 | 0.57 | r | 6.35 | 3.56 | 1.66 | 0.67 | 0.67 | 4.80 | 6.35 | r | |||||||||||
2017 | 0.45 | 0.35 | 1.30 | 0.99 | 0.45 | 0.63 | 1.75 | 0.58 | 0.47 | 2.60 | 4.09 | 1.14 | t | 4.09 | t | |||||||||||
2018 | 1.26 | m | 3.65 | d | 2.37 | h | 1.60 | i | 0.59 | p | ----- | z | ----- | z | 13.85 | m | 1.54 | j | 7.10 | j | 0.52 | p | 0.30 | y | ----- | z |
2019 | 0.73 | v | 3.25 | d | 0.41 | q | 0.66 | q | 0.62 | i | 0.77 | f | 3.02 | q | 2.57 | m | 1.96 | i | 3.17 | l | 1.23 | f | 2.13 | l | ----- | z |
2020 | 14.00 | o | 1.45 | r | 3.02 | i | 3.19 | m | 0.59 | k | 0.24 | u | 0.85 | u | 0.29 | y | 3.78 | n | 1.52 | i | 1.26 | j | 1.00 | q | ----- | z |
2021 | 7.00 | o | 0.61 | j | 6.40 | j | 1.25 | o | 0.59 | m | 0.58 | l | 0.68 | v | 0.49 | t | 1.38 | m | 0.85 | y | 1.54 | o | 4.80 | l | ----- | z |
2022 | 0.25 | w | 1.52 | q | 2.78 | 0.78 | 0.66 | 1.20 | 1.14 | 0.25 | v | 0.88 | a | 0.50 | 0.39 | 0.88 | ----- | z | ||||||||
2023 | 1.60 | 10.40 | 4.30 | 2.00 | 1.01 | 1.05 | 1.60 | 1.74 | 0.14 | 1.60 | 2.67 | 0.55 | 10.40 | |||||||||||||
2024 | 3.59 | 0.95 | 2.37 | 0.61 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 2.49 | 2.51 | 2.61 | 1.80 | 1.14 | 0.70 | 1.61 | 1.38 | 1.62 | 1.95 | 2.83 | 2.98 | 7.58 | |||||||||||||
S.D. | 2.90 | 3.40 | 2.52 | 2.78 | 1.01 | 0.54 | 1.77 | 1.24 | 1.69 | 1.92 | 3.51 | 3.72 | 4.04 | |||||||||||||
SKEW | 2.06 | 3.10 | 1.74 | 3.21 | 1.98 | 0.85 | 2.56 | 1.57 | 3.09 | 2.63 | 2.09 | 2.38 | 0.05 | |||||||||||||
MAX | 13.20 | 20.20 | 11.88 | 15.24 | 5.40 | 2.13 | 9.00 | 5.40 | 10.20 | 10.50 | 15.00 | 17.43 | 14.00 | |||||||||||||
MIN | 0.08 | 0.07 | 0.23 | 0.21 | 0.19 | 0.00 | 0.10 | 0.08 | 0.14 | 0.25 | 0.12 | 0.10 | 0.88 | |||||||||||||
YRS | 50 | 54 | 54 | 48 | 49 | 48 | 46 | 49 | 47 | 48 | 47 | 44 | 25 |