YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1954 | ----- | z | ----- | z | ----- | z | 4.35 | f | 4.10 | 9.15 | 4.26 | ----- | z | 5.68 | 3.90 | ----- | z | ----- | z | 27.09 | g | |||||
1955 | ----- | z | ----- | z | 0.89 | 3.72 | 3.94 | 1.84 | 2.10 | 0.00 | 1.55 | 2.12 | 0.50 | 0.32 | a | 16.98 | b | |||||||||
1956 | 0.35 | 0.52 | 1.30 | a | 1.50 | b | 5.94 | 1.87 | 1.85 | 4.36 | 2.00 | 1.66 | 2.47 | 0.22 | a | 24.04 | ||||||||||
1957 | 0.27 | 0.00 | b | 0.97 | 2.39 | 4.36 | 4.43 | 4.21 | 3.18 | 1.00 | a | 0.59 | a | 3.03 | a | 0.71 | 25.14 | |||||||||
1958 | 0.54 | ----- | z | ----- | z | 2.82 | 0.56 | 3.56 | a | 2.46 | 3.99 | 3.07 | 1.18 | 1.15 | ----- | z | 19.33 | c | ||||||||
1959 | 0.67 | a | 2.27 | 3.24 | a | 1.64 | 3.92 | a | 6.55 | 2.91 | 9.32 | 4.90 | 4.47 | 2.38 | a | 1.34 | 43.61 | |||||||||
1960 | 0.77 | 0.60 | 0.27 | 4.83 | 6.79 | 5.77 | 5.71 | 5.57 | 2.22 | 2.27 | 1.14 | 0.00 | a | 35.94 | ||||||||||||
1961 | 0.15 | 1.51 | 5.84 | 1.68 | 1.52 | 2.36 | 4.04 | 2.34 | 7.61 | 3.00 | 3.59 | 1.27 | 34.91 | |||||||||||||
1962 | 0.10 | 1.67 | 2.24 | 2.13 | 3.24 | 2.97 | 3.97 | 3.73 | 1.66 | 2.58 | 0.00 | 0.36 | 24.65 | |||||||||||||
1963 | 0.51 | 0.65 | 1.81 | 2.58 | 2.60 | 0.63 | 2.92 | 2.57 | 2.85 | 1.25 | 0.79 | ----- | z | 19.16 | a | |||||||||||
1964 | ----- | z | 0.00 | y | 1.02 | 2.85 | 6.45 | 2.60 | 1.04 | 3.67 | 4.78 | 0.28 | 1.26 | 1.38 | 25.33 | b | ||||||||||
1965 | 0.94 | 1.24 | 2.65 | 4.59 | 6.89 | 2.11 | 4.01 | 6.25 | 12.91 | 2.19 | 2.68 | 2.17 | 48.63 | |||||||||||||
1966 | 1.20 | 2.64 | 3.70 | 2.14 | 2.06 | 2.04 | 5.61 | 1.01 | 1.71 | 1.05 | 0.91 | 1.79 | 25.86 | |||||||||||||
1967 | 4.44 | 1.50 | 1.98 | 1.75 | 1.99 | 6.99 | 0.67 | 1.73 | 2.83 | 3.08 | 0.83 | 1.24 | 29.03 | |||||||||||||
1968 | 1.76 | 0.73 | 0.93 | ----- | z | 2.38 | 10.81 | 5.59 | 1.67 | 6.62 | 1.96 | 0.92 | 3.95 | 37.32 | a | |||||||||||
1969 | 3.21 | 0.32 | 0.94 | 3.06 | 5.32 | ----- | z | ----- | z | ----- | z | ----- | z | 2.83 | 1.14 | 1.71 | 18.53 | d | ||||||||
1970 | 0.28 | 0.19 | 0.88 | 2.53 | 5.68 | 3.05 | 4.09 | 0.60 | 7.19 | a | 2.93 | 2.04 | 1.36 | 30.82 | ||||||||||||
1971 | 1.34 | 4.11 | 1.66 | 2.49 | 4.09 | 3.46 | 1.31 | 1.26 | 2.89 | 1.50 | 3.80 | ----- | z | 27.91 | a | |||||||||||
1972 | 0.72 | 0.93 | 2.95 | 2.25 | 2.35 | 0.94 | 5.32 | e | 4.16 | 5.72 | 3.64 | 1.20 | 2.49 | 32.67 | ||||||||||||
1973 | 0.88 | 0.57 | 3.69 | 4.39 | 7.80 | 2.94 | 1.47 | ----- | z | 3.41 | k | 1.85 | 1.28 | c | ----- | z | 24.87 | c | ||||||||
1974 | 0.35 | v | 0.51 | 2.28 | l | 2.95 | 4.74 | 3.43 | 2.52 | m | 3.40 | 0.68 | 1.61 | 0.92 | 1.23 | 19.47 | c | |||||||||
1975 | 0.94 | 1.97 | 1.81 | 5.46 | 3.37 | 4.58 | 0.71 | 4.96 | 1.09 | 0.36 | 2.70 | ----- | z | 27.95 | a | |||||||||||
1976 | ----- | z | ----- | z | 2.80 | 6.28 | 1.99 | 1.74 | 2.85 | 1.59 | 0.81 | 1.44 | 0.04 | 0.75 | 20.29 | b | ||||||||||
1977 | ----- | z | ----- | z | ----- | z | 1.67 | e | 1.75 | 3.47 | 5.55 | 3.50 | 2.91 | 2.38 | 4.05 | ----- | z | 25.28 | d | |||||||
1978 | 1.14 | 0.26 | 0.46 | 3.87 | 4.15 | 9.71 | 8.36 | 1.91 | 4.38 | 1.34 | 2.40 | b | 0.86 | 38.84 | ||||||||||||
1979 | 1.15 | b | 1.26 | 3.05 | 2.03 | 4.76 | 3.13 | 3.51 | 7.26 | 0.45 | 2.87 | 1.39 | 0.63 | 31.49 | ||||||||||||
1980 | 1.74 | a | 0.40 | a | 0.74 | b | 2.27 | 3.15 | 2.50 | 2.30 | 12.71 | ----- | z | ----- | z | 0.55 | a | ----- | z | 26.36 | c | |||||
1981 | 0.06 | 1.60 | e | 0.62 | 7.35 | 0.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 10.48 | g | ||||
1982 | ----- | z | 0.20 | a | 2.56 | w | 2.90 | s | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.20 | k |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.20 | ----- | z | ----- | z | ----- | z | 8.20 | k | |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.91 | 3.71 | 4.15 | ----- | z | ----- | z | ----- | z | ----- | z | 10.77 | i | |||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.17 | b | 11.28 | a | 0.78 | 5.57 | 1.49 | c | 23.29 | g | ||
1993 | 1.70 | d | 0.90 | 3.35 | a | 4.68 | 5.49 | b | 5.71 | c | 5.39 | 6.33 | 2.26 | 1.47 | 0.92 | 1.26 | a | 39.46 | ||||||||
1994 | 1.70 | a | 3.20 | 1.58 | a | 3.28 | 1.63 | 3.65 | 7.41 | 4.01 | 3.89 | 0.93 | 3.60 | 1.00 | 35.88 | |||||||||||
1995 | 0.81 | 0.10 | 2.89 | 4.40 | 1.72 | g | 3.95 | e | 4.57 | 3.56 | 1.83 | 3.58 | d | 2.43 | 0.40 | 28.52 | a | |||||||||
1996 | 3.55 | 0.75 | 2.55 | 2.40 | 3.49 | 4.61 | a | 2.06 | a | 1.40 | 1.96 | 2.97 | u | 0.70 | h | ----- | z | 22.77 | c | |||||||
1997 | 0.00 | h | 2.25 | x | 3.59 | b | 3.44 | a | 2.34 | 3.72 | 7.75 | 3.42 | 3.31 | 3.07 | a | 0.82 | 0.43 | 31.89 | b | |||||||
1998 | 0.67 | 2.60 | 5.30 | 2.20 | 3.80 | 10.00 | a | 4.00 | 5.60 | 2.60 | 2.90 | 1.90 | 0.20 | 41.77 | ||||||||||||
1999 | 1.70 | 1.10 | 0.40 | 8.00 | a | 5.45 | 3.80 | 9.80 | b | 2.90 | 1.20 | 1.20 | 2.50 | 0.80 | 38.85 | |||||||||||
2000 | 0.40 | 0.80 | 1.24 | a | 2.22 | b | 7.71 | 11.59 | 6.83 | 4.13 | 1.54 | 1.43 | a | 1.96 | b | ----- | z | 39.85 | a | |||||||
2001 | 0.27 | c | 0.00 | c | 2.39 | 4.65 | 7.32 | b | 4.16 | c | 1.07 | a | 5.75 | b | 5.54 | e | 1.63 | b | 1.95 | d | 1.04 | e | 35.77 | |||
2002 | 0.30 | 2.13 | a | 1.59 | c | 4.63 | c | 3.40 | 5.21 | b | 4.52 | b | 5.52 | e | 2.62 | g | 2.71 | a | 0.63 | a | 0.46 | 31.10 | a | |||
2003 | 0.72 | b | 0.53 | a | 1.69 | d | 2.65 | b | 5.17 | a | 3.31 | b | 3.40 | c | 0.57 | a | 3.69 | d | 1.00 | a | 4.00 | c | 0.98 | a | 27.71 | |
2004 | 0.38 | b | 1.55 | 3.69 | 1.95 | 9.02 | 12.72 | 3.99 | 2.68 | 0.75 | 2.93 | 1.72 | 1.22 | 42.60 | ||||||||||||
2005 | 2.26 | 1.39 | 1.32 | 1.19 | 2.93 | 6.08 | 4.44 | 3.52 | 2.79 | a | 0.71 | 3.06 | 1.03 | 30.72 | ||||||||||||
2006 | 1.12 | i | 0.66 | 1.91 | 5.16 | j | 5.32 | 1.17 | f | 2.57 | 7.24 | d | 5.36 | i | 2.49 | a | 2.66 | a | 0.81 | g | 22.85 | e | ||||
2007 | 1.58 | g | 1.76 | p | 1.96 | i | 3.99 | m | 1.72 | e | 3.39 | g | 4.72 | a | 9.12 | h | 3.15 | 5.05 | e | 0.07 | f | 1.12 | r | 14.64 | h | |
2008 | 1.12 | r | 0.81 | q | 0.79 | f | 1.71 | n | 3.92 | 8.16 | d | 5.23 | 1.66 | 2.08 | b | 1.83 | 1.35 | 0.53 | n | 24.23 | e | |||||
2009 | 0.53 | n | 0.47 | d | 2.29 | c | 3.64 | c | 3.99 | i | 3.09 | b | 4.41 | c | 4.26 | g | 0.59 | a | 6.24 | k | 0.31 | d | 2.69 | d | 17.49 | d |
2010 | 1.46 | f | 0.89 | f | 1.06 | b | 3.05 | 5.26 | g | 10.25 | i | 8.24 | d | 7.06 | b | 5.50 | j | 1.86 | b | 2.10 | f | 2.01 | e | 23.28 | f | |
2011 | 0.71 | a | 1.62 | a | 3.69 | a | 3.74 | b | 3.37 | o | 2.20 | k | 3.47 | h | 4.09 | a | 3.73 | f | ----- | z | ----- | z | ----- | z | 13.85 | g |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.13 | u | 2.91 | 3.46 | d | 1.63 | d | 2.29 | p | 8.00 | i | |
2013 | ----- | z | 0.00 | y | 1.85 | k | 7.22 | b | 8.57 | 14.32 | 1.86 | 2.68 | a | 2.57 | 1.68 | 3.09 | f | 0.24 | q | 38.90 | e | |||||
2014 | 0.00 | u | ----- | z | 1.23 | s | 5.19 | c | 3.54 | b | 7.16 | 1.77 | a | 4.61 | 2.41 | a | 3.52 | a | 0.76 | d | 1.34 | d | 30.30 | c | ||
2015 | 0.00 | w | 0.06 | m | 0.54 | g | 5.01 | a | 5.76 | 5.11 | 2.45 | 3.72 | 4.14 | 2.62 | 4.11 | c | 5.39 | m | 32.92 | d | ||||||
2016 | 0.75 | i | 0.35 | r | 2.94 | s | 0.80 | 3.26 | b | 5.09 | 10.64 | 10.10 | a | 15.47 | 3.03 | 1.83 | 0.72 | m | 50.22 | d | ||||||
2017 | 2.09 | k | ----- | z | ----- | z | 1.92 | q | 5.75 | 6.17 | a | 10.00 | 2.51 | c | 2.94 | a | 6.79 | b | 0.63 | b | 0.19 | k | 34.79 | e | ||
2018 | 0.97 | f | 0.91 | l | 0.55 | c | 2.16 | k | 9.46 | a | 6.31 | c | 2.21 | a | 5.59 | c | 8.55 | g | 0.00 | o | 0.00 | k | 0.00 | i | 24.12 | g |
2019 | 0.00 | l | 0.00 | q | 0.00 | f | 0.00 | k | 0.00 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2020 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2021 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2022 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2023 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2024 | ----- | z | 0.00 | x | 0.64 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.10 | 1.14 | 2.08 | 3.38 | 4.32 | 4.99 | 4.20 | 4.03 | 3.72 | 2.27 | 1.86 | 1.18 | 34.21 | |||||||||||||
S.D. | 1.00 | 0.93 | 1.31 | 1.67 | 2.17 | 3.13 | 2.44 | 2.50 | 3.17 | 1.26 | 1.25 | 0.81 | 6.90 | |||||||||||||
SKEW | 1.72 | 1.19 | 0.84 | 0.96 | 0.49 | 1.20 | 0.85 | 1.17 | 1.93 | 1.06 | 0.81 | 1.30 | 0.22 | |||||||||||||
MAX | 4.44 | 4.11 | 5.84 | 8.00 | 9.46 | 14.32 | 10.64 | 12.71 | 15.47 | 6.79 | 5.57 | 3.95 | 48.63 | |||||||||||||
MIN | 0.06 | 0.00 | 0.27 | 0.80 | 0.56 | 0.63 | 0.67 | 0.00 | 0.45 | 0.28 | 0.00 | 0.00 | 24.04 | |||||||||||||
YRS | 35 | 38 | 42 | 46 | 49 | 48 | 50 | 49 | 47 | 49 | 47 | 34 | 21 |