YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.81 | 2.50 | 3.49 | 1.20 | 1.63 | ----- | z | 9.63 | g | |||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 2.45 | 2.93 | 3.18 | 1.20 | 0.98 | 1.07 | 0.69 | ----- | z | 12.50 | e | |||||||
1950 | ----- | z | ----- | z | 1.95 | 4.30 | 4.06 | 6.61 | 6.94 | 1.98 | 1.58 | 0.87 | 0.51 | ----- | z | 28.80 | c | |||||||||
1951 | ----- | z | ----- | z | 4.80 | a | 6.05 | 3.34 | 6.39 | 6.49 | 5.01 | 3.02 | 4.19 | 1.90 | ----- | z | 41.19 | c | ||||||||
1952 | ----- | z | ----- | z | 2.23 | a | 2.05 | 3.35 | 5.62 | 5.20 | 7.50 | 0.84 | 0.19 | 2.18 | ----- | z | 29.16 | c | ||||||||
1953 | ----- | z | ----- | z | 2.15 | 5.32 | a | 2.10 | 4.42 | 8.85 | 4.83 | 0.53 | 1.27 | 1.77 | ----- | z | 31.24 | c | ||||||||
1954 | ----- | z | ----- | z | 1.30 | 4.19 | 5.69 | 7.11 | 3.72 | 2.82 | 5.11 | 4.50 | 0.71 | ----- | z | 35.15 | c | |||||||||
1955 | ----- | z | ----- | z | 1.41 | 3.54 | 3.92 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.87 | i | |||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.33 | 5.03 | 1.05 | 2.24 | 0.82 | 10.47 | g | |||||
1979 | 1.89 | 1.03 | 2.85 | 2.42 | ----- | z | 0.62 | l | 4.83 | 9.86 | ----- | z | 4.33 | 2.14 | 0.58 | 29.93 | c | |||||||||
1980 | 1.47 | a | 0.34 | 0.84 | 1.84 | 2.18 | 3.83 | 2.32 | 12.71 | 9.60 | 2.76 | 0.49 | 1.09 | 39.47 | ||||||||||||
1981 | 0.10 | 2.44 | h | 1.26 | 5.33 | 2.46 | 3.71 | 9.10 | 7.32 | 1.70 | 3.08 | 1.19 | 1.28 | 36.53 | a | |||||||||||
1982 | 1.72 | 0.21 | 2.07 | 2.30 | 5.84 | 1.28 | 2.11 | 4.34 | 2.37 | 4.09 | 4.46 | 3.29 | 34.08 | |||||||||||||
1983 | 1.04 | 1.90 | 2.47 | 3.41 | 6.13 | 3.47 | 3.13 | 4.59 | 5.47 | 3.92 | 4.55 | 0.99 | 41.07 | |||||||||||||
1984 | 0.16 | 2.22 | 2.17 | 4.18 | 2.50 | 8.96 | 2.26 | 1.30 | 2.80 | 6.60 | 1.39 | 2.49 | 37.03 | |||||||||||||
1985 | ----- | z | 1.60 | 3.48 | 2.81 | 0.96 | 2.59 | 2.07 | 2.89 | 6.03 | 2.05 | 2.09 | b | 0.27 | d | 26.84 | a | |||||||||
1986 | 0.00 | c | ----- | z | 1.82 | 3.31 | 2.37 | 5.41 | 6.00 | 2.58 | 7.64 | 4.28 | 0.70 | b | ----- | z | 34.11 | b | ||||||||
1987 | ----- | z | 0.08 | 1.08 | b | ----- | z | ----- | z | ----- | z | 9.69 | ----- | z | 1.45 | 0.70 | 2.98 | 1.71 | b | 17.69 | e | |||||
1988 | ----- | z | ----- | z | 1.40 | 2.63 | 1.61 | ----- | z | 2.08 | ----- | z | ----- | z | 0.55 | 3.20 | c | ----- | z | 11.47 | f | |||||
1989 | 0.74 | 0.04 | d | 0.63 | e | ----- | z | 2.11 | a | 2.03 | 3.96 | ----- | z | 2.66 | ----- | z | 1.22 | b | 0.00 | c | 13.39 | c | ||||
1990 | ----- | z | 0.00 | c | 3.43 | ----- | z | ----- | z | 7.11 | ----- | z | ----- | z | 1.01 | ----- | z | 0.73 | ----- | z | 12.28 | g | ||||
1991 | 0.00 | d | ----- | z | 2.85 | 5.53 | ----- | z | ----- | z | 5.68 | s | 4.51 | t | ----- | z | 3.67 | 3.92 | f | ----- | z | 12.05 | h | |||
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1994 | ----- | z | ----- | z | ----- | z | 8.14 | p | 1.80 | r | 3.10 | 6.04 | k | 5.47 | m | 5.71 | l | 2.09 | t | 2.27 | t | 0.53 | u | 3.10 | k | |
1995 | 0.59 | n | 0.12 | s | 2.95 | o | 3.47 | l | 4.98 | r | 2.37 | s | 4.27 | q | 3.89 | r | 2.78 | 4.33 | m | 0.97 | l | 0.87 | o | 2.78 | k | |
1996 | 2.64 | q | 0.51 | m | 1.94 | r | 1.93 | p | 1.75 | d | 6.58 | n | 2.02 | u | 1.78 | w | 2.07 | t | 3.39 | s | 4.14 | n | 1.15 | h | 1.75 | k |
1997 | 1.48 | l | 0.77 | a | 2.50 | l | 2.58 | o | 2.45 | p | 3.52 | q | 9.01 | i | 5.76 | l | 2.88 | r | 4.20 | s | 0.24 | p | 0.49 | 1.26 | j | |
1998 | 2.06 | 3.21 | 2.68 | 1.61 | 3.76 | 7.53 | 3.89 | 8.49 | 1.63 | 5.95 | 1.41 | 0.24 | 42.46 | |||||||||||||
1999 | 1.96 | 0.90 | 0.66 | 7.44 | 5.41 | 2.92 | 9.06 | 2.88 | 2.78 | 1.58 | 1.66 | 0.61 | 37.86 | |||||||||||||
2000 | ----- | z | ----- | z | 0.55 | 1.14 | 7.65 | 6.54 | 3.55 | 1.47 | b | 0.81 | 1.00 | 3.32 | 1.52 | a | 27.55 | b | ||||||||
2001 | 3.34 | t | 1.07 | 0.40 | 3.80 | 3.16 | g | 4.26 | 2.52 | 5.80 | 6.62 | 1.44 | 2.36 | l | 0.90 | c | 26.81 | c | ||||||||
2002 | ----- | z | 2.09 | 1.10 | 4.64 | 1.63 | 5.79 | 2.76 | 2.23 | 3.52 | 3.05 | 0.47 | 0.67 | 27.95 | a | |||||||||||
2003 | ----- | z | ----- | z | 1.92 | a | 2.08 | 4.62 | 2.51 | 3.36 | 1.30 | 3.06 | 0.49 | 2.49 | 0.41 | 22.24 | b | |||||||||
2004 | ----- | z | ----- | z | ----- | z | 1.52 | 13.21 | 5.93 | 5.71 | 4.19 | 2.43 | i | 1.67 | a | 1.81 | 0.84 | 34.88 | d | |||||||
2005 | ----- | z | 1.35 | 3.87 | 2.00 | 3.18 | 3.77 | 4.05 | 3.91 | 9.02 | 0.65 | a | 2.34 | d | 0.04 | g | 34.14 | b | ||||||||
2006 | 0.74 | 0.79 | c | 2.98 | 6.60 | 5.51 | m | 5.94 | 1.02 | 5.45 | 3.90 | 0.67 | 1.12 | 1.75 | 30.96 | a | ||||||||||
2007 | 0.40 | b | ----- | z | ----- | z | 2.33 | 4.11 | 6.96 | 3.31 | 23.86 | 2.72 | 4.86 | 0.26 | 2.23 | 51.04 | b | |||||||||
2008 | 0.99 | c | 1.22 | a | 0.65 | 9.04 | 3.69 | 8.68 | 5.18 | 1.90 | 1.80 | 1.09 | 1.37 | a | 1.12 | p | 35.61 | a | ||||||||
2009 | 0.00 | u | 0.00 | h | 1.51 | v | 3.00 | 3.94 | 3.68 | d | 1.82 | 3.82 | a | 0.83 | 6.09 | 0.46 | 2.62 | a | 26.26 | c | ||||||
2010 | 0.99 | q | 0.22 | a | 0.75 | 0.25 | j | 0.70 | k | 9.20 | k | 8.55 | ----- | z | 5.03 | q | ----- | z | ----- | z | ----- | z | 9.52 | i | ||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2016 | ----- | z | ----- | z | 2.19 | q | 1.06 | 3.34 | 6.42 | 5.59 | 6.66 | 11.54 | 2.38 | 1.35 | 2.03 | 40.37 | c | |||||||||
2017 | 2.38 | 1.09 | 1.71 | 2.59 | r | 6.21 | f | 6.02 | 10.25 | 0.69 | w | ----- | z | ----- | z | ----- | z | ----- | z | 21.45 | g | |||||
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2019 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | 3.92 | 0.14 | 0.63 | 4.69 | i | |||
2024 | 1.42 | 0.00 | a | 2.21 | 2.97 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.63 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.07 | 1.01 | 1.92 | 3.64 | 3.83 | 5.05 | 4.65 | 4.99 | 3.62 | 2.58 | 1.67 | 1.19 | 38.66 | |||||||||||||
S.D. | 0.80 | 0.87 | 1.08 | 1.97 | 2.42 | 2.01 | 2.67 | 4.59 | 2.82 | 1.85 | 1.12 | 0.87 | 3.01 | |||||||||||||
SKEW | 0.06 | 0.79 | 0.65 | 0.92 | 2.20 | 0.04 | 0.67 | 2.62 | 1.22 | 0.55 | 0.93 | 0.80 | -0.26 | |||||||||||||
MAX | 2.38 | 3.21 | 4.80 | 9.04 | 13.21 | 8.96 | 10.25 | 23.86 | 11.54 | 6.60 | 4.55 | 3.29 | 42.46 | |||||||||||||
MIN | 0.00 | 0.00 | 0.40 | 1.06 | 0.96 | 1.28 | 0.81 | 1.20 | 0.53 | 0.19 | 0.14 | 0.00 | 34.08 | |||||||||||||
YRS | 16 | 20 | 31 | 29 | 28 | 30 | 33 | 29 | 31 | 33 | 33 | 23 | 6 |