YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.40 | 1.02 | a | 1.17 | 1.12 | 1.20 | 0.09 | 7.00 | f | |||||
1949 | 0.93 | 0.54 | 0.50 | 0.64 | 2.86 | 2.81 | 6.81 | 0.09 | 0.40 | 1.84 | 0.36 | 0.56 | 18.34 | |||||||||||||
1950 | 0.93 | 0.06 | 0.81 | 0.99 | 5.25 | 1.78 | 0.60 | 0.40 | 1.31 | 0.64 | g | ----- | z | ----- | z | 12.13 | c | |||||||||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | 3.94 | 3.19 | 0.21 | 0.44 | 0.05 | 7.83 | g | |||||
1963 | 0.14 | 0.49 | 0.57 | 2.35 | 3.30 | 4.81 | 2.62 | 4.57 | 2.22 | 0.44 | 0.14 | 0.08 | 21.73 | |||||||||||||
1964 | 0.35 | 0.22 | 0.57 | 3.63 | 2.29 | 7.12 | 2.16 | 1.56 | 1.06 | 0.08 | 0.47 | 0.48 | 19.99 | |||||||||||||
1965 | 0.37 | 0.19 | 0.73 | 4.98 | 3.88 | 4.35 | 4.02 | 2.59 | 3.48 | 1.50 | 0.25 | 0.50 | 26.84 | |||||||||||||
1966 | 0.30 | 0.33 | 2.43 | 1.13 | 1.13 | 2.62 | 1.32 | 6.95 | 1.10 | 1.38 | 0.21 | 0.22 | 19.12 | |||||||||||||
1967 | 0.86 | 0.81 | 0.39 | 5.48 | 2.06 | 5.28 | 0.95 | 1.44 | 2.13 | 1.36 | 0.26 | 0.87 | 21.89 | |||||||||||||
1968 | 0.71 | 0.01 | 1.07 | 4.91 | 2.88 | 6.37 | 1.28 | 1.83 | 4.87 | 0.54 | 0.33 | 0.89 | 25.69 | |||||||||||||
1969 | 0.87 | 1.46 | 0.25 | 1.80 | 1.55 | 3.86 | 2.63 | 1.45 | a | 1.49 | 0.96 | 0.00 | 0.84 | 17.16 | ||||||||||||
1970 | 0.30 | 0.33 | 1.46 | 2.55 | 3.76 | 2.50 | 1.59 | 0.12 | 5.64 | 0.99 | 1.60 | 0.07 | 20.91 | |||||||||||||
1971 | ----- | z | ----- | z | 0.11 | 0.68 | 3.42 | 4.88 | 1.49 | 2.93 | 0.87 | 4.30 | 0.34 | 1.10 | 20.12 | b | ||||||||||
1972 | ----- | z | ----- | z | ----- | z | 0.59 | ----- | z | 2.70 | 4.59 | 1.75 | 0.59 | 0.82 | 0.26 | 0.60 | 11.90 | d | ||||||||
1973 | 0.00 | d | 0.04 | 1.73 | 0.91 | 1.09 | 1.69 | 2.97 | 2.38 | 4.92 | 1.47 | 0.44 | 0.42 | 18.06 | ||||||||||||
1974 | 0.11 | 0.36 | 0.44 | 3.19 | 4.73 | 0.64 | 2.83 | 2.75 | 0.18 | 1.40 | 0.40 | 0.05 | 17.08 | |||||||||||||
1975 | 1.11 | 0.89 | 2.84 | a | 4.41 | 1.91 | 11.57 | 1.60 | 1.58 | 0.81 | 0.62 | 0.30 | 0.43 | 28.07 | ||||||||||||
1976 | 1.11 | 0.53 | 0.59 | 1.59 | 1.03 | 3.23 | 0.28 | 0.82 | 0.48 | 0.05 | 0.12 | 0.31 | 10.14 | |||||||||||||
1977 | 0.45 | 1.21 | 3.07 | 0.53 | 2.95 | 4.33 | 3.95 | 3.05 | 4.34 | 1.53 | 1.76 | 0.44 | 27.61 | |||||||||||||
1978 | 0.04 | 0.33 | 1.05 | 1.80 | 3.74 | 6.38 | 1.84 | 0.86 | ----- | z | 0.37 | 1.32 | ----- | z | 17.73 | b | ||||||||||
1979 | 0.30 | c | 0.34 | 1.28 | 3.09 | 1.65 | 3.19 | ----- | z | 2.04 | 1.02 | 0.00 | f | 0.33 | 0.15 | a | 13.39 | b | ||||||||
1980 | 0.48 | a | 0.44 | a | ----- | z | ----- | z | ----- | z | ----- | z | 3.05 | 5.56 | 0.76 | 1.82 | 0.15 | 0.01 | 12.27 | d | ||||||
1981 | 0.00 | e | 0.20 | h | 0.31 | 1.05 | 1.92 | 3.93 | 7.59 | 2.31 | 1.64 | 2.71 | 0.07 | e | ----- | z | 21.53 | b | ||||||||
1982 | ----- | z | 0.00 | f | ----- | z | 1.31 | u | 3.04 | 2.03 | ----- | z | 1.57 | 1.67 | 4.18 | 0.63 | 0.41 | 13.53 | e | |||||||
1983 | 0.14 | a | 0.32 | 0.35 | 0.28 | 2.07 | 6.37 | 3.63 | 1.20 | 0.87 | 1.93 | a | 0.43 | b | 0.49 | 18.08 | ||||||||||
1984 | 0.87 | 0.85 | 1.66 | 1.68 | 1.52 | 3.85 | 1.91 | 0.60 | b | 1.19 | ----- | z | 0.15 | 0.16 | 14.44 | a | ||||||||||
1985 | 0.13 | 0.06 | c | 0.72 | 0.20 | 4.00 | 2.02 | 1.01 | 3.96 | 1.14 | 1.00 | 1.77 | 0.94 | 16.95 | ||||||||||||
1986 | 0.79 | 1.02 | 0.09 | 8.10 | 0.88 | h | 3.32 | 4.93 | 1.82 | 3.68 | 0.73 | 0.86 | a | 0.00 | 25.34 | a | ||||||||||
1987 | 0.20 | 1.36 | 1.71 | 0.08 | 3.66 | 1.30 | 3.86 | a | 3.36 | 0.75 | 0.06 | 0.44 | 0.13 | 16.91 | ||||||||||||
1988 | 0.94 | a | 0.22 | 1.10 | c | 0.02 | 2.00 | 1.56 | 1.64 | 3.16 | 2.42 | 0.28 | 1.01 | 1.08 | 15.43 | |||||||||||
1989 | 1.07 | 0.37 | 3.29 | a | 2.69 | 1.66 | 1.63 | 3.55 | 2.75 | 0.86 | 0.30 | 1.09 | 0.02 | 19.28 | ||||||||||||
1990 | 0.31 | c | 0.47 | c | 0.96 | b | 1.90 | 0.38 | 4.41 | 2.12 | 2.60 | 2.18 | 1.17 | 0.02 | 0.83 | 17.35 | ||||||||||
1991 | 0.06 | 1.00 | 0.89 | 3.29 | 7.54 | 6.47 | 3.12 | 1.48 | 2.12 | 1.91 | 0.43 | 0.27 | 28.58 | |||||||||||||
1992 | 0.80 | 0.60 | 1.77 | 0.86 | 2.71 | 3.40 | 3.35 | 2.84 | 0.80 | 0.38 | 1.74 | 0.15 | 19.40 | |||||||||||||
1993 | 1.24 | 0.37 | 0.77 | 1.07 | 3.88 | 8.03 | 5.09 | 2.52 | 0.62 | 0.28 | 3.60 | 1.07 | 28.54 | |||||||||||||
1994 | 1.68 | 0.80 | 0.57 | 2.77 | 1.16 | 1.16 | 8.24 | 2.59 | 2.32 | 4.98 | 1.65 | 0.09 | 28.01 | |||||||||||||
1995 | 0.72 | 0.82 | 4.01 | 2.14 | 3.07 | 1.00 | 6.61 | 1.58 | 0.76 | 3.57 | 0.44 | 0.65 | 25.37 | |||||||||||||
1996 | 2.34 | d | 1.41 | a | 1.93 | b | 0.37 | 2.98 | 3.61 | 2.87 | 0.83 | 3.62 | 1.80 | 1.59 | 1.23 | a | 24.58 | |||||||||
1997 | 2.74 | e | 0.80 | e | 2.19 | b | 3.79 | a | 1.23 | 1.83 | 4.92 | 1.08 | 2.60 | 1.69 | 0.97 | 0.36 | 24.20 | |||||||||
1998 | 0.79 | 1.74 | 1.62 | 2.91 | 2.99 | f | 6.72 | 2.04 | 3.62 | 1.51 | 6.03 | 1.98 | 0.47 | a | 29.43 | a | ||||||||||
1999 | 1.48 | a | 0.23 | 2.05 | 1.67 | 4.62 | 2.21 | 3.47 | 2.62 | 4.37 | 0.98 | 0.00 | 0.07 | 23.77 | ||||||||||||
2000 | 0.42 | a | 1.55 | 2.27 | 1.83 | 2.74 | 3.03 | 4.90 | 2.79 | 2.57 | 1.62 | 2.58 | 0.67 | 26.97 | ||||||||||||
2001 | 0.17 | 0.55 | 0.03 | 2.86 | 0.99 | a | 2.63 | 3.18 | 1.75 | 1.06 | 1.10 | a | 0.00 | c | ----- | z | 14.32 | a | ||||||||
2002 | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 0.97 | g | 1.72 | ----- | z | ----- | z | 0.00 | ----- | z | 1.72 | i | |||
2003 | ----- | z | 0.00 | 0.00 | ----- | z | ----- | z | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | i | |||
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | b | 5.36 | 2.27 | 0.00 | 1.00 | 8.63 | g | ||||
2005 | 4.30 | a | 0.42 | 0.50 | 0.50 | a | 3.19 | c | 9.04 | 2.01 | 4.26 | 1.88 | 1.38 | 0.75 | b | 1.48 | 29.71 | |||||||||
2006 | 1.85 | 0.16 | c | 2.00 | 1.21 | 1.63 | 2.32 | 1.71 | 3.92 | 2.60 | 0.53 | ----- | z | 0.60 | a | 18.53 | a | |||||||||
2007 | 0.06 | 0.42 | 1.97 | b | 1.85 | b | 6.06 | 2.94 | y | 1.52 | 2.16 | 2.48 | 0.94 | h | ----- | z | 0.36 | h | 16.52 | d | ||||||
2008 | ----- | z | 0.37 | a | 0.50 | 0.60 | a | 1.18 | 5.19 | 4.28 | 2.47 | 4.04 | 3.31 | 0.30 | b | ----- | z | 22.24 | b | |||||||
2009 | 0.00 | c | 0.35 | c | 0.10 | h | 0.90 | b | 0.50 | a | 3.34 | 1.63 | 2.09 | 2.46 | 2.85 | a | ----- | z | ----- | z | 14.12 | c | ||||
2010 | 0.00 | c | ----- | z | ----- | z | 0.65 | 4.30 | 2.67 | 3.93 | ----- | z | 6.58 | 0.92 | a | ----- | z | ----- | z | 19.05 | e | |||||
2011 | ----- | z | ----- | z | ----- | z | ----- | z | 2.80 | y | 4.25 | y | 7.36 | x | 2.57 | x | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2012 | 0.30 | 0.90 | 0.25 | b | 2.52 | a | 1.40 | 0.99 | ----- | z | 0.79 | 0.32 | 1.35 | 0.25 | 0.00 | 9.07 | a | |||||||||
2013 | ----- | z | 0.00 | c | 0.00 | d | 0.00 | b | 0.00 | p | 0.45 | p | ----- | z | 0.50 | l | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | i |
2014 | ----- | z | ----- | z | ----- | z | 1.64 | f | 3.08 | 4.07 | e | 1.64 | a | 5.84 | 1.26 | 0.52 | a | 0.20 | e | ----- | z | 16.61 | e | |||
2015 | 0.58 | b | ----- | z | ----- | z | ----- | z | 5.16 | b | ----- | z | ----- | z | ----- | z | 0.20 | 1.20 | a | ----- | z | ----- | z | 7.14 | h | |
2016 | ----- | z | 0.90 | ----- | z | ----- | z | 2.05 | 3.75 | a | 3.44 | 6.64 | 2.88 | 0.69 | 2.80 | 0.66 | b | 23.81 | c | |||||||
2017 | 0.00 | f | 0.20 | b | ----- | z | 0.38 | a | 1.70 | 1.68 | a | 1.18 | 1.63 | 3.59 | 0.30 | 0.05 | ----- | z | 10.71 | c | ||||||
2018 | 0.00 | b | 0.42 | a | 0.10 | c | 0.00 | b | 2.75 | 2.61 | b | 5.84 | a | 0.36 | b | 1.68 | b | 2.90 | 0.36 | c | ----- | z | 17.02 | a | ||
2019 | 0.00 | d | ----- | z | ----- | z | 0.42 | a | ----- | z | 3.24 | 4.82 | 2.97 | S | 4.73 | g | 3.00 | j | 0.14 | g | 2.00 | i | 11.45 | g | ||
2020 | 0.45 | f | 0.06 | g | 0.00 | e | 1.47 | j | 1.45 | j | 3.89 | e | 2.59 | k | 3.76 | f | 1.06 | g | 1.02 | g | 0.00 | l | 0.26 | j | 3.89 | j |
2021 | 0.51 | f | 0.10 | g | 0.05 | e | 0.69 | g | 0.80 | l | 2.49 | h | 0.96 | i | 3.61 | l | 2.12 | g | 5.46 | g | 0.23 | f | 1.68 | i | 0.05 | k |
2022 | 0.59 | g | 0.49 | e | ----- | z | ----- | z | 3.83 | m | 3.17 | e | 1.33 | g | 1.39 | f | 0.22 | j | 0.07 | i | 0.73 | l | 2.03 | S | 3.66 | j |
2023 | 0.21 | j | 0.17 | d | 1.81 | d | 1.49 | f | 2.59 | f | 3.64 | h | 1.23 | m | 3.86 | S | 1.27 | f | 0.63 | e | 0.12 | S | 1.82 | n | 6.47 | h |
2024 | 0.00 | p | 0.17 | f | 0.26 | o | 1.51 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.71 | 0.55 | 1.13 | 1.88 | 2.73 | 3.64 | 3.12 | 2.38 | 2.11 | 1.48 | 0.72 | 0.48 | 21.86 | |||||||||||||
S.D. | 0.82 | 0.44 | 0.97 | 1.67 | 1.49 | 2.22 | 1.81 | 1.54 | 1.54 | 1.29 | 0.81 | 0.39 | 4.96 | |||||||||||||
SKEW | 2.29 | 0.96 | 0.92 | 1.42 | 0.89 | 1.22 | 0.88 | 0.97 | 0.99 | 1.57 | 1.62 | 0.61 | -0.14 | |||||||||||||
MAX | 4.30 | 1.74 | 4.01 | 8.10 | 7.54 | 11.57 | 8.24 | 6.95 | 6.58 | 6.03 | 3.60 | 1.48 | 29.71 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.38 | 0.00 | 0.28 | 0.00 | 0.18 | 0.05 | 0.00 | 0.00 | 10.14 | |||||||||||||
YRS | 47 | 51 | 49 | 50 | 49 | 54 | 51 | 57 | 55 | 53 | 51 | 44 | 30 |