YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | 1.53 | 2.99 | 4.68 | 3.25 | 5.07 | 3.28 | 5.23 | 6.03 | 0.00 | 0.90 | 32.96 | b | ||||||||||
1942 | 0.10 | 0.27 | 0.12 | 1.50 | 1.30 | 0.50 | 0.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.37 | e | |||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1944 | 1.16 | 1.73 | 0.00 | 0.00 | 1.56 | 0.85 | 0.60 | 0.71 | 3.12 | 0.44 | 2.25 | 1.28 | 13.70 | |||||||||||||
1945 | 1.18 | 0.48 | 0.88 | 0.41 | 0.18 | 1.32 | 6.58 | 1.23 | 3.20 | 3.16 | 0.35 | 0.60 | 19.57 | |||||||||||||
1946 | 1.46 | 0.14 | 0.00 | 0.28 | 0.45 | 0.92 | 0.00 | 1.04 | 1.98 | 6.06 | 0.15 | 1.28 | 13.76 | |||||||||||||
1947 | 0.84 | 0.00 | 1.41 | 0.00 | 7.35 | 0.18 | 0.74 | 0.00 | b | 0.72 | 0.40 | 1.60 | g | 0.73 | 12.37 | a | ||||||||||
1948 | 0.00 | n | 0.56 | 0.05 | 0.00 | 2.96 | 1.72 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.29 | g | ||||
1949 | 2.98 | 1.15 | 0.03 | g | 2.06 | 0.53 | 2.80 | 0.99 | 3.23 | 0.99 | u | ----- | z | ----- | z | ----- | z | 13.74 | e | |||||||
1950 | ----- | z | ----- | z | ----- | z | 2.60 | 4.15 | 0.60 | b | 1.13 | x | 1.42 | f | ----- | z | ----- | z | ----- | z | ----- | z | 7.35 | i | ||
1951 | 0.10 | 0.15 | 0.47 | 0.00 | 3.53 | 0.28 | 0.78 | 0.21 | 0.02 | 2.05 | 0.01 | 0.00 | 7.60 | |||||||||||||
1952 | 0.00 | 0.53 | 0.09 | 1.10 | 1.08 | 0.13 | 3.40 | 0.45 | 2.35 | 0.00 | 1.50 | 0.92 | 11.55 | |||||||||||||
1953 | 0.02 | 1.25 | 1.45 | 0.83 | 0.42 | 0.00 | 0.21 | 2.18 | 1.99 | 2.00 | 0.03 | 0.00 | 10.38 | |||||||||||||
1954 | 0.00 | a | 0.02 | 0.03 | 2.38 | 2.39 | 1.04 | 0.00 | 1.29 | 0.00 | 1.50 | 0.27 | 0.10 | 9.02 | ||||||||||||
1955 | 1.01 | 0.00 | 0.35 | 0.00 | 3.79 | 0.62 | 3.77 | 0.10 | 2.32 | ----- | z | 0.30 | 0.00 | 12.26 | a | |||||||||||
1956 | 0.10 | 0.65 | 0.10 | 1.19 | 1.60 | 0.05 | 0.45 | 0.30 | 0.00 | 1.79 | 0.00 | 0.75 | 6.98 | |||||||||||||
1957 | 0.62 | 1.02 | 0.36 | 0.78 | 11.89 | 3.27 | 1.83 | 1.75 | 1.56 | 3.09 | 1.95 | 0.03 | 28.15 | |||||||||||||
1958 | 2.05 | 1.51 | 1.67 | 1.10 | 2.08 | 0.00 | 1.90 | 1.51 | 2.45 | 3.21 | 0.97 | 0.00 | 18.45 | |||||||||||||
1959 | 0.00 | ----- | z | 0.36 | 0.66 | 3.18 | 3.27 | 6.25 | 0.93 | 2.45 | 2.00 | 0.40 | 2.13 | 21.63 | a | |||||||||||
1960 | 1.35 | 0.76 | 0.39 | 1.34 | 1.41 | 0.22 | 6.85 | 2.37 | 0.62 | 3.74 | 0.00 | 1.90 | 20.95 | |||||||||||||
1961 | 1.89 | 0.84 | 1.49 | 0.00 | 1.75 | 4.36 | 4.16 | 1.12 | 1.02 | 0.21 | 2.92 | 0.45 | 20.21 | |||||||||||||
1962 | 0.41 | 0.02 | 0.56 | 1.19 | 0.20 | n | 1.04 | 3.97 | 1.46 | 8.48 | 2.30 | 0.12 | 0.88 | 20.43 | a | |||||||||||
1963 | 0.02 | 1.12 | 0.00 | 1.32 | 2.49 | 4.87 | 0.24 | 1.12 | 1.82 | 0.86 | 1.12 | 0.64 | 15.62 | |||||||||||||
1964 | 1.06 | 0.92 | 0.82 | 0.08 | 0.00 | 1.74 | 0.47 | 0.87 | 2.29 | 0.00 | 0.00 | 0.73 | 8.98 | |||||||||||||
1965 | 0.05 | ----- | z | 0.00 | ----- | z | 2.28 | 2.97 | 0.32 | 4.20 | 1.74 | 0.95 | 0.00 | 0.86 | 13.37 | b | ||||||||||
1966 | 0.46 | 0.41 | 0.60 | 8.10 | 0.79 | 2.44 | 0.68 | 6.59 | 2.68 | 0.72 | 0.26 | 0.00 | 23.73 | |||||||||||||
1967 | 0.00 | 0.40 | 0.97 | 0.04 | 0.00 | 0.91 | 2.24 | 0.50 | 2.64 | 0.00 | 1.47 | 0.83 | 10.00 | |||||||||||||
1968 | 2.72 | 1.68 | 2.84 | 2.00 | 2.97 | 0.62 | 2.90 | 2.50 | ----- | z | 0.64 | 3.48 | 0.00 | 22.35 | a | |||||||||||
1969 | 0.02 | 1.47 | 1.39 | 2.31 | 3.87 | 2.13 | 1.41 | 1.96 | 4.16 | 4.86 | 1.09 | 1.42 | 26.09 | |||||||||||||
1970 | 0.02 | 1.67 | 2.91 | 1.30 | 2.14 | 0.72 | 0.11 | 1.23 | 2.82 | 1.67 | 0.00 | 0.15 | 14.74 | |||||||||||||
1971 | 0.00 | 0.03 | 0.06 | 1.40 | 2.62 | 2.73 | 1.89 | 4.57 | 4.28 | 0.88 | 0.49 | ----- | z | 18.95 | a | |||||||||||
1972 | 0.70 | 0.18 | 0.18 | 0.08 | 1.88 | 2.30 | 2.16 | 3.13 | 1.50 | 2.56 | ----- | z | 0.22 | 14.89 | a | |||||||||||
1973 | 0.90 | 2.23 | 2.88 | 1.21 | ----- | z | 0.00 | 4.10 | 0.42 | 1.20 | 0.81 | 0.04 | 0.00 | 13.79 | a | |||||||||||
1974 | 1.20 | 0.00 | 0.84 | 2.18 | 1.83 | a | 0.00 | 1.30 | 2.90 | 7.28 | 6.40 | 0.46 | 0.71 | 25.10 | ||||||||||||
1975 | 0.83 | 1.85 | 0.00 | 0.20 | 2.15 | 0.73 | 8.03 | 1.33 | 5.48 | 0.81 | 1.64 | a | 0.74 | a | 23.79 | |||||||||||
1976 | 0.21 | 0.08 | 0.34 | 2.68 | 2.18 | 1.66 | 3.57 | 1.41 | 2.18 | 2.05 | 0.69 | 0.02 | b | 17.07 | ||||||||||||
1977 | 0.79 | 0.35 | 0.76 | 2.80 | 1.12 | 1.21 | 2.10 | 0.32 | 0.01 | 0.52 | 0.00 | 0.16 | 10.14 | |||||||||||||
1978 | 0.52 | 1.13 | 0.31 | ----- | z | 1.61 | 3.49 | 0.41 | 2.09 | 5.40 | 2.29 | 2.05 | 0.22 | 19.52 | a | |||||||||||
1979 | 0.65 | 0.29 | 0.65 | 0.07 | 1.47 | 3.15 | 5.67 | 1.90 | 0.00 | 0.12 | 0.45 | 2.18 | 16.60 | |||||||||||||
1980 | 0.70 | 0.48 | 0.00 | 0.50 | 3.11 | 3.08 | 0.00 | 0.68 | 11.37 | 0.20 | 1.46 | 1.42 | 23.00 | |||||||||||||
1981 | 0.92 | 0.84 | 0.94 | 3.82 | 1.79 | 0.62 | 0.56 | 3.61 | 2.12 | 2.61 | 0.35 | 0.00 | 18.18 | |||||||||||||
1982 | 0.51 | 0.75 | 0.00 | 1.10 | 3.52 | 3.24 | 2.25 | 1.19 | 0.85 | 0.55 | 1.19 | 1.70 | 16.85 | |||||||||||||
1983 | 2.14 | 0.11 | 0.26 | 0.15 | 0.83 | 0.12 | 0.37 | 0.00 | 0.60 | 5.51 | 1.66 | 0.26 | 12.01 | |||||||||||||
1984 | 0.52 | 0.14 | 0.00 | 0.00 | 0.44 | 4.97 | 0.44 | 1.57 | 4.75 | 3.37 | 2.54 | 1.46 | 20.20 | |||||||||||||
1985 | 0.76 | 0.56 | 1.28 | 2.07 | 2.04 | 2.08 | 1.30 | 0.08 | 2.04 | 6.38 | 0.05 | 0.07 | 18.71 | |||||||||||||
1986 | 0.08 | 0.35 | 0.00 | 0.26 | 6.90 | 8.35 | 0.00 | 1.80 | 12.26 | 6.79 | 1.21 | 3.41 | 41.41 | |||||||||||||
1987 | 0.22 | ----- | z | 1.06 | 0.78 | 3.91 | 2.70 | 0.32 | 0.56 | 3.21 | 0.00 | 0.06 | 0.46 | 13.28 | a | |||||||||||
1988 | 0.00 | 0.35 | 0.48 | d | 0.32 | 3.47 | 3.59 | 4.49 | 0.75 | 6.53 | 0.00 | 0.00 | 0.78 | 20.76 | ||||||||||||
1989 | 0.49 | 1.10 | 1.10 | 0.25 | 1.10 | 0.46 | 0.66 | 0.78 | 1.85 | 0.10 | 0.11 | 0.24 | 8.24 | |||||||||||||
1990 | 0.16 | 1.18 | 2.22 | 3.14 | 0.55 | 0.00 | 2.00 | 3.39 | 1.58 | 1.32 | 0.75 | 0.60 | 16.89 | |||||||||||||
1991 | 2.15 | 0.03 | 0.50 | 0.00 | 0.18 | 4.06 | 6.61 | 2.78 | 5.87 | 0.66 | 0.84 | 3.01 | 26.69 | |||||||||||||
1992 | 2.18 | b | 3.38 | 0.34 | 0.81 | 6.78 | 3.57 | 0.69 | 2.77 | 0.60 | 0.00 | 1.84 | 0.13 | 23.09 | ||||||||||||
1993 | 1.71 | 0.81 | e | 1.00 | 1.41 | 1.99 | 3.96 | 4.20 | 1.47 | 3.26 | 3.40 | 0.07 | 0.00 | c | 23.28 | |||||||||||
1994 | 1.16 | 0.07 | 0.14 | 0.85 | 2.89 | 1.04 | 1.33 | 0.41 | 0.63 | 0.25 | 1.68 | 0.27 | 10.72 | |||||||||||||
1995 | 0.76 | 0.46 | 0.84 | 0.64 | 6.42 | 2.08 | 1.40 | 0.50 | 1.82 | 0.79 | 0.00 | 0.04 | 15.75 | |||||||||||||
1996 | 0.21 | 0.00 | 0.11 | 1.08 | 0.85 | 2.55 | 0.10 | 3.19 | 3.97 | 0.25 | 2.71 | 0.00 | 15.02 | |||||||||||||
1997 | 0.00 | 3.56 | 0.12 | 5.56 | 4.04 | 5.57 | 1.63 | 1.70 | 1.20 | 0.98 | 1.10 | 0.28 | 25.74 | |||||||||||||
1998 | ----- | z | 0.15 | 0.28 | ----- | z | ----- | z | ----- | z | ----- | z | 0.79 | 0.00 | 2.00 | 0.82 | 0.60 | 4.64 | e | |||||||
1999 | 0.33 | 0.00 | 1.84 | 1.42 | 1.41 | 2.84 | 0.50 | 0.78 | 0.44 | 0.50 | 0.00 | 0.00 | 10.06 | |||||||||||||
2000 | 0.50 | 0.05 | 1.48 | 0.07 | 0.55 | 3.59 | 0.00 | 0.00 | 0.34 | 1.09 | 0.86 | 0.61 | 9.14 | |||||||||||||
2001 | 1.08 | 1.92 | 0.94 | 0.00 | 0.81 | 0.00 | 0.00 | 1.58 | 0.22 | 0.05 | 1.43 | 0.10 | d | 8.13 | ||||||||||||
2002 | 0.30 | 1.05 | 1.43 | 0.57 | 0.42 | 0.87 | 1.59 | 0.59 | 1.27 | 3.93 | g | 0.47 | 1.55 | 10.11 | a | |||||||||||
2003 | 0.10 | 0.89 | 0.93 | 0.40 | 1.54 | 2.84 | n | 0.45 | l | 1.80 | 1.69 | 0.40 | 0.85 | 0.00 | 8.60 | b | ||||||||||
2004 | 0.77 | 1.39 | 1.90 | 1.56 | k | 0.03 | 3.26 | 2.66 | 4.38 | o | 5.60 | l | 4.55 | 6.60 | 0.61 | 21.77 | c | |||||||||
2005 | 0.47 | 1.31 | 0.45 | 0.14 | 1.50 | 1.50 | 2.58 | 4.58 | 0.34 | 5.15 | 0.00 | 0.08 | h | 18.02 | a | |||||||||||
2006 | 0.07 | 0.48 | 1.74 | 0.47 | 0.06 | o | 0.89 | 0.65 | 4.86 | c | 3.58 | 3.59 | 0.10 | 1.33 | 17.76 | a | ||||||||||
2007 | 1.31 | 0.32 | e | 2.14 | 1.98 | 7.97 | 2.69 | l | 1.38 | 3.82 | 2.24 | v | 0.15 | y | 1.36 | 1.45 | x | 20.28 | d | |||||||
2008 | 0.02 | 0.00 | 0.00 | 0.00 | a | 0.36 | 1.39 | 0.00 | 1.67 | 4.72 | 1.12 | 0.00 | 0.00 | w | 9.28 | a | ||||||||||
2009 | 0.00 | 0.35 | u | 0.35 | 1.36 | 0.24 | 1.68 | 7.02 | 0.15 | 0.00 | 1.38 | 0.00 | 1.39 | 13.57 | a | |||||||||||
2010 | 1.32 | 2.74 | 1.37 | 3.70 | 1.42 | 0.98 | 1.83 | 1.67 | 3.77 | 0.19 | 0.00 | 0.00 | 18.99 | |||||||||||||
2011 | 0.00 | 0.09 | 0.00 | 0.00 | 1.47 | 0.00 | 0.63 | 0.10 | 0.51 | 0.16 | 0.31 | 1.76 | 5.03 | |||||||||||||
2012 | 1.75 | 0.65 | 0.69 | 0.05 | 2.55 | 0.00 | 1.38 | 0.64 | 4.23 | 0.49 | 0.00 | 0.04 | 12.47 | |||||||||||||
2013 | 1.46 | 0.15 | 0.00 | 0.00 | 0.12 | 3.97 | 2.11 | 0.49 | 0.80 | 2.44 | 0.74 | 1.20 | 13.48 | |||||||||||||
2014 | 0.00 | 0.43 | 0.00 | 0.09 | 0.76 | c | 1.45 | 1.10 | 0.43 | s | 8.05 | b | 0.00 | 2.21 | 0.37 | 14.46 | a | |||||||||
2015 | 2.78 | S | 0.92 | 0.00 | t | 0.28 | 3.58 | 2.89 | 1.36 | x | 0.99 | 0.37 | 1.82 | 3.02 | a | 1.52 | 15.39 | c | ||||||||
2016 | 0.82 | 0.04 | 0.77 | 1.65 | 2.23 | 2.94 | x | 0.61 | 0.50 | 0.85 | 0.36 | 1.20 | 1.10 | 10.13 | a | |||||||||||
2017 | 1.23 | 1.02 | 0.39 | 2.44 | 0.03 | 0.67 | 0.34 | 2.48 | 4.02 | 0.34 | 0.55 | 0.24 | 13.75 | |||||||||||||
2018 | 0.00 | 0.23 | 0.97 | 0.00 | 1.32 | b | 1.23 | 1.65 | 0.54 | 3.81 | 5.14 | 0.00 | 0.85 | 15.74 | ||||||||||||
2019 | 0.00 | 0.09 | 0.96 | 3.12 | 4.24 | 1.55 | 0.45 | 0.21 | 1.24 | 0.04 | 2.35 | 0.00 | 14.25 | |||||||||||||
2020 | 1.31 | 1.35 | 2.99 | 0.00 | 0.00 | 2.00 | 1.10 | 0.00 | 0.00 | 0.30 | 0.50 | 0.00 | 9.55 | |||||||||||||
2021 | 0.77 | 0.38 | 0.60 | 2.12 | 1.39 | 8.95 | 1.48 | w | ----- | z | 0.00 | c | ----- | z | 0.00 | t | ----- | z | 14.21 | e | ||||||
2022 | ----- | z | ----- | z | ----- | z | ----- | z | 0.07 | 1.74 | y | ----- | z | 2.25 | t | 0.50 | y | 0.59 | 0.96 | 0.30 | 1.92 | h | ||||
2023 | 0.28 | w | 0.00 | x | ----- | z | 0.63 | w | 3.46 | w | 0.78 | y | ----- | z | ----- | z | ----- | z | 4.58 | ----- | z | ----- | z | 4.58 | k | |
2024 | 0.20 | b | 0.09 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.29 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.71 | 0.73 | 0.77 | 1.17 | 2.21 | 1.97 | 1.91 | 1.56 | 2.57 | 1.80 | 0.90 | 0.67 | 16.46 | |||||||||||||
S.D. | 0.71 | 0.76 | 0.77 | 1.40 | 2.12 | 1.80 | 2.01 | 1.37 | 2.55 | 1.91 | 1.11 | 0.74 | 6.92 | |||||||||||||
SKEW | 1.07 | 1.61 | 1.18 | 2.22 | 1.95 | 1.46 | 1.36 | 1.26 | 1.67 | 1.13 | 2.29 | 1.43 | 0.93 | |||||||||||||
MAX | 2.98 | 3.56 | 2.99 | 8.10 | 11.89 | 8.95 | 8.03 | 6.59 | 12.26 | 6.79 | 6.60 | 3.41 | 41.41 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 5.03 | |||||||||||||
YRS | 76 | 75 | 77 | 76 | 77 | 76 | 74 | 74 | 73 | 74 | 74 | 72 | 51 |