YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.96 | 0.41 | 0.77 | 0.00 | 1.11 | ----- | z | |||||
1949 | 0.92 | 0.55 | 0.27 | 0.28 | 0.25 | 0.89 | 0.67 | 0.89 | 0.92 | 0.76 | 0.46 | 1.12 | 1.12 | |||||||||||||
1950 | 1.24 | 0.64 | 0.49 | 0.02 | 0.08 | 0.30 | 2.58 | 0.22 | 0.38 | 0.00 | 0.46 | 0.19 | 2.58 | |||||||||||||
1951 | 1.23 | 0.39 | 0.41 | 0.57 | 0.26 | 0.00 | 0.35 | 2.12 | 0.49 | 0.84 | 1.70 | 0.80 | 2.12 | |||||||||||||
1952 | 1.46 | 0.55 | 1.74 | 0.93 | 0.15 | 0.02 | 0.75 | 1.55 | 1.39 | 0.00 | a | 2.05 | 0.56 | 2.05 | a | |||||||||||
1953 | 0.42 | 0.74 | 0.88 | 0.30 | 0.05 | 0.00 | 1.68 | 0.91 | 0.02 | c | 0.02 | 0.42 | 0.53 | 1.68 | c | |||||||||||
1954 | 1.04 | 0.50 | 1.39 | 0.06 | 0.15 | 0.43 | 1.46 | 1.80 | 1.05 | 0.30 | 0.16 | 0.31 | 1.80 | |||||||||||||
1955 | 0.82 | 0.35 | 0.06 | 0.59 | 0.10 | 2.15 | 1.89 | 0.95 | a | 0.08 | 0.35 | 0.40 | 1.53 | 2.15 | a | |||||||||||
1956 | 1.01 | 0.53 | 0.00 | a | 0.40 | e | 0.10 | 0.29 | 2.78 | 0.27 | 0.13 | a | 0.66 | 0.00 | 0.34 | 2.78 | g | |||||||||
1957 | 1.98 | 0.49 | 0.39 | 0.15 | 0.72 | 0.60 | 2.15 | 1.02 | 0.00 | 1.22 | 1.02 | d | 0.27 | 2.15 | d | |||||||||||
1958 | 0.13 | 1.15 | 1.00 | 0.37 | 0.70 | 0.39 | 0.20 | 0.87 | 1.85 | 1.19 | 0.74 | 0.00 | 1.85 | |||||||||||||
1959 | 0.42 | 1.39 | 0.02 | 0.21 | 0.00 | 0.82 | 1.00 | 1.43 | 0.34 | 3.74 | 0.45 | 2.31 | 3.74 | |||||||||||||
1960 | 1.11 | 0.66 | 0.76 | 0.22 | 0.46 | 0.02 | 0.15 | 0.79 | 0.36 | 0.89 | 0.74 | 0.16 | 1.11 | |||||||||||||
1961 | 1.11 | 0.04 | 1.22 | 0.34 | 0.01 | 0.15 | 0.57 | 2.51 | 1.09 | 0.36 | 0.38 | 1.41 | 2.51 | |||||||||||||
1962 | 0.70 | 0.83 | 0.70 | 0.21 | 0.00 | 0.03 | 1.03 | 0.56 | 0.83 | 0.30 | 1.21 | 0.54 | 1.21 | |||||||||||||
1963 | 0.39 | 1.15 | 0.61 | 0.50 | 0.00 | 0.00 | 1.68 | 3.45 | 0.73 | 1.93 | 1.22 | 0.24 | 3.45 | |||||||||||||
1964 | 0.58 | 0.32 | 1.05 | 0.39 | 0.00 | 0.02 | 0.59 | 0.81 | 1.44 | 0.47 | 0.81 | 0.71 | 1.44 | |||||||||||||
1965 | 1.59 | 1.63 | 1.30 | 1.78 | 0.43 | 0.24 | 0.63 | 0.42 | 0.84 | 0.33 | 1.35 | 1.74 | 1.78 | |||||||||||||
1966 | 0.43 | 0.53 | 0.30 | 0.00 | 0.00 | 0.40 | 0.91 | 0.66 | 1.19 | 0.64 | 1.43 | 0.54 | 1.43 | |||||||||||||
1967 | 0.50 | 0.00 | 0.60 | 0.44 | 1.15 | 0.43 | 1.08 | 1.55 | 0.43 | 0.20 | 0.84 | 1.87 | 1.87 | |||||||||||||
1968 | 1.26 | 0.71 | 0.85 | 0.41 | 0.43 | 0.09 | 1.96 | 0.76 | 0.05 | 1.02 | 0.72 | 0.61 | 1.96 | |||||||||||||
1969 | 0.58 | 0.83 | 0.65 | 0.19 | 0.84 | 0.00 | 0.80 | 0.18 | 0.55 | 1.37 | 0.92 | 0.37 | 1.37 | |||||||||||||
1970 | 0.29 | 0.17 | 1.58 | 0.76 | 0.06 | 0.06 | 1.26 | 0.83 | 5.36 | 0.13 | 0.29 | 0.70 | 5.36 | |||||||||||||
1971 | 0.44 | 0.46 | 0.07 | 0.10 | 0.20 | 0.00 | 0.46 | 0.65 | 1.09 | 1.01 | 0.06 | 0.51 | 1.09 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.03 | 0.08 | 1.61 | 0.98 | 0.49 | 0.43 | 3.89 | 1.00 | 1.42 | 3.89 | |||||||||||||
1973 | 0.20 | 1.02 | 1.06 | 0.34 | 0.52 | 0.10 | 0.61 | 0.28 | ----- | z | 0.00 | 0.94 | 0.02 | ----- | z | |||||||||||
1974 | 1.34 | 0.47 | 0.57 | 0.21 | 0.00 | 0.00 | 0.99 | 0.84 | 0.72 | 1.95 | 0.61 | 0.83 | 1.95 | |||||||||||||
1975 | 0.30 | 0.42 | 0.92 | 0.66 | 0.11 | 0.00 | 1.10 | 0.63 | 0.46 | 0.21 | 0.97 | 0.91 | 1.10 | |||||||||||||
1976 | 0.26 | 1.85 | 0.35 | 1.56 | 0.75 | 0.00 | 0.76 | 0.55 | 1.21 | 0.61 | 0.06 | 0.52 | 1.85 | |||||||||||||
1977 | 0.64 | 0.28 | 0.34 | 1.08 | 0.27 | 0.70 | 0.54 | 2.10 | 1.50 | 0.58 | 0.38 | 0.40 | 2.10 | |||||||||||||
1978 | 1.33 | 1.22 | 2.36 | 0.41 | 0.65 | 0.06 | 0.92 | 0.42 | 0.28 | 0.42 | 3.19 | 2.82 | 3.19 | |||||||||||||
1979 | 2.01 | 0.70 | 1.36 | 0.41 | 0.82 | 0.17 | 0.62 | 0.40 | 0.22 | 0.74 | 0.48 | 0.55 | 2.01 | |||||||||||||
1980 | 1.49 | 2.44 | 0.72 | 0.79 | 0.15 | 0.00 | 1.14 | 1.53 | 0.87 | 0.50 | 0.00 | 0.17 | 2.44 | |||||||||||||
1981 | 0.30 | 0.98 | 0.96 | 0.50 | 1.08 | 0.45 | 1.31 | 1.79 | 0.49 | 2.03 | 1.62 | 0.12 | 2.03 | |||||||||||||
1982 | 1.14 | 1.14 | 2.38 | 0.17 | 0.69 | 0.03 | 0.34 | 2.07 | 0.45 | 0.07 | 1.51 | 0.97 | 2.38 | |||||||||||||
1983 | 0.86 | 0.90 | 1.83 | 0.64 | 0.00 | 0.06 | 0.94 | 0.74 | 2.20 | 1.16 | 1.56 | 0.60 | 2.20 | |||||||||||||
1984 | 0.26 | 0.00 | 0.22 | 0.37 | 0.29 | 0.97 | 0.47 | 0.95 | 1.60 | 0.97 | 1.68 | 1.53 | 1.68 | |||||||||||||
1985 | 0.80 | 0.63 | 0.98 | 0.55 | 0.00 | 0.06 | 2.28 | 0.75 | 1.67 | 1.06 | 1.12 | 0.79 | 2.28 | |||||||||||||
1986 | 0.11 | 0.56 | 1.09 | 0.22 | 0.04 | 0.12 | 0.66 | 1.66 | 0.73 | 0.97 | 0.29 | 0.79 | 1.66 | |||||||||||||
1987 | 1.18 | 1.55 | 0.48 | 0.19 | 0.64 | a | 0.25 | 0.36 | 1.59 | 0.30 | 0.75 | 2.53 | 3.00 | a | 3.00 | b | ||||||||||
1988 | 1.69 | 0.70 | 0.15 | 1.51 | 0.00 | 0.56 | 0.75 | 1.35 | 0.42 | 1.49 | 0.46 | 0.50 | 1.69 | |||||||||||||
1989 | 1.40 | 1.08 | 1.89 | 0.00 | 0.37 | 0.00 | 0.97 | 0.82 | 0.54 | 1.39 | 0.13 | 0.96 | 1.89 | |||||||||||||
1990 | 0.55 | 0.77 | 0.79 | 0.60 | 0.50 | 0.18 | 2.06 | 0.63 | 0.81 | 0.17 | 0.57 | 0.92 | 2.06 | |||||||||||||
1991 | 0.72 | 1.38 | 2.87 | 0.00 | a | 0.00 | 0.08 | 0.22 | 0.92 | 0.22 | 0.76 | 1.05 | 0.73 | 2.87 | a | |||||||||||
1992 | 1.60 | 0.70 | 0.93 | 0.34 | 0.72 | 0.81 | 0.91 | 2.40 | 0.18 | 0.34 | 0.20 | 2.13 | 2.40 | |||||||||||||
1993 | 1.71 | 1.39 | 0.94 | 0.00 | 0.13 | 0.00 | 0.28 | 1.13 | 0.66 | 1.48 | 1.67 | 0.20 | 1.71 | |||||||||||||
1994 | ----- | z | 1.29 | 1.01 | 0.57 | 0.77 | 0.29 | 0.47 | t | 0.46 | 0.63 | ----- | z | 0.93 | a | 0.83 | ----- | z | ||||||||
1995 | 1.94 | 2.08 | 1.08 | a | 0.38 | 0.26 | 0.05 | 0.13 | 0.78 | 0.85 | 0.00 | 0.57 | 0.18 | 2.08 | a | |||||||||||
1996 | 0.09 | 0.93 | 0.46 | 0.00 | 0.00 | 0.10 | 0.95 | 0.28 | a | 1.16 | ----- | z | 0.43 | 0.02 | ----- | z | ||||||||||
1997 | 2.57 | a | 1.64 | a | 0.00 | 0.79 | 0.22 | 0.07 | 0.22 | 0.46 | h | 0.60 | 0.65 | 0.60 | 0.79 | a | 2.57 | k | ||||||||
1998 | 0.30 | 1.38 | 0.99 | 1.66 | 0.24 | 0.00 | 0.72 | 0.95 | 0.83 | 1.33 | 0.56 | 0.56 | 1.66 | |||||||||||||
1999 | 0.05 | 0.73 | c | 0.55 | 2.11 | 0.00 | 0.04 | 1.31 | 0.60 | 1.34 | 0.00 | 0.00 | 0.00 | 2.11 | c | |||||||||||
2000 | 0.41 | 0.19 | 1.50 | 0.24 | 0.00 | 0.38 | 0.12 | 0.67 | 0.09 | 1.56 | 0.84 | 0.04 | 1.56 | |||||||||||||
2001 | 0.66 | a | 0.78 | a | 0.75 | 1.73 | 1.13 | 0.66 | 0.88 | 1.32 | 0.59 | 0.55 | 0.40 | 0.83 | 1.73 | b | ||||||||||
2002 | 0.00 | b | 0.02 | 0.06 | 0.21 | 0.00 | 0.00 | 1.29 | 0.50 | v | 1.36 | 0.48 | 0.68 | 0.28 | 1.36 | x | ||||||||||
2003 | 0.11 | b | 1.28 | 0.73 | a | 0.29 | 0.00 | 0.00 | 0.73 | 1.43 | 1.20 | 0.30 | 2.21 | 0.25 | 2.21 | c | ||||||||||
2004 | 0.40 | 0.65 | 0.42 | 0.93 | 0.00 | 0.00 | 1.74 | b | 0.52 | 2.36 | 1.86 | a | 1.03 | 3.86 | 3.86 | c | ||||||||||
2005 | 1.85 | 1.68 | 1.04 | 1.12 | 0.15 | 0.11 | 0.18 | 1.66 | a | 0.13 | 0.53 | 0.26 | 0.00 | 1.85 | a | |||||||||||
2006 | 0.17 | 0.00 | 6.03 | c | 0.25 | 0.00 | 0.39 | 0.62 | q | 0.66 | 0.64 | 0.54 | 0.10 | 0.30 | 6.03 | t | ||||||||||
2007 | 0.75 | 0.49 | 0.72 | 0.43 | 0.01 | 0.00 | 1.41 | 0.90 | 3.96 | b | 0.10 | 2.20 | 1.87 | q | 3.96 | s | ||||||||||
2008 | ----- | z | 0.88 | l | 0.01 | 0.00 | 0.63 | 0.05 | 0.90 | 1.20 | 0.28 | 0.02 | 1.17 | 1.35 | ----- | z | ||||||||||
2009 | 0.52 | b | 1.08 | 0.04 | 0.35 | a | 0.67 | 0.00 | u | ----- | z | 0.20 | s | 0.20 | a | 0.00 | a | 0.00 | a | 1.20 | a | ----- | z | |||
2010 | 2.20 | a | 0.60 | a | 0.45 | b | 0.00 | a | 0.10 | a | 0.00 | 1.50 | 1.00 | 0.75 | 1.12 | a | 0.25 | 1.02 | 2.20 | g | ||||||
2011 | 0.04 | 0.99 | 0.56 | 0.37 | 0.17 | 0.00 | 0.92 | 1.79 | 0.47 | 0.42 | 0.72 | 1.20 | 1.79 | |||||||||||||
2012 | 0.20 | 0.06 | 0.65 | 0.47 | 0.03 | 0.00 | 2.05 | 0.88 | 0.29 | 0.58 | 0.46 | 1.88 | 2.05 | |||||||||||||
2013 | 1.42 | 0.60 | 1.73 | 0.76 | 0.00 | 0.00 | 2.35 | 2.40 | 1.99 | 0.20 | 2.06 | 0.91 | 2.40 | |||||||||||||
2014 | 0.00 | 0.08 | 1.27 | 0.15 | 0.01 | 0.00 | 0.75 | 1.47 | 1.09 | 0.51 | 0.00 | 0.98 | 1.47 | |||||||||||||
2015 | 1.39 | 0.56 | 0.90 | 0.60 | 1.24 | 0.45 | 0.40 | 0.76 | 0.48 | 1.20 | 0.83 | 0.71 | 1.39 | |||||||||||||
2016 | 1.66 | 0.62 | 0.00 | 0.18 | 0.18 | 0.50 | 0.98 | 1.30 | 0.33 | 0.20 | 0.65 | 1.28 | 1.66 | |||||||||||||
2017 | 1.54 | 2.01 | 0.19 | 0.04 | 0.85 | 0.00 | 1.10 | 1.06 | 0.23 | 0.01 | 0.02 | 0.11 | 2.01 | |||||||||||||
2018 | 0.42 | 0.38 | 0.60 | 0.00 | 0.05 | 0.10 | 0.97 | 0.80 | 0.08 | 2.38 | 0.60 | 0.24 | 2.38 | |||||||||||||
2019 | 0.82 | 1.41 | 0.86 | 0.20 | 0.21 | 0.00 | 0.64 | 0.50 | 1.17 | 0.00 | 2.61 | 0.92 | 2.61 | |||||||||||||
2020 | 0.21 | 1.05 | a | 1.25 | 0.41 | 0.10 | 0.00 | 0.83 | 0.33 | 0.82 | 0.90 | 0.30 | 0.27 | 1.25 | a | |||||||||||
2021 | 1.38 | 0.11 | 0.34 | 0.11 | 0.08 | 0.38 | 3.10 | 1.22 | 1.39 | 0.72 | 0.00 | 1.62 | 3.10 | |||||||||||||
2022 | 0.48 | 0.68 | 0.61 | 0.00 | 0.00 | 0.20 | 1.36 | 0.63 | 1.10 | 1.26 | 0.42 | 0.80 | 1.36 | |||||||||||||
2023 | 1.43 | 0.50 | 1.60 | 0.00 | 0.30 | 0.00 | 0.04 | 0.52 | 0.73 | 0.20 | 0.47 | 0.49 | 1.60 | |||||||||||||
2024 | 0.52 | 1.53 | 1.55 | 0.24 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.85 | 0.80 | 0.89 | 0.46 | 0.28 | 0.23 | 1.02 | 1.05 | 0.85 | 0.78 | 0.81 | 0.83 | 2.10 | |||||||||||||
S.D. | 0.63 | 0.54 | 0.85 | 0.46 | 0.33 | 0.37 | 0.67 | 0.63 | 0.84 | 0.76 | 0.69 | 0.73 | 0.77 | |||||||||||||
SKEW | 0.55 | 0.69 | 3.20 | 1.70 | 1.18 | 2.80 | 1.01 | 1.28 | 2.91 | 1.92 | 1.21 | 1.71 | 1.71 | |||||||||||||
MAX | 2.57 | 2.44 | 6.03 | 2.11 | 1.24 | 2.15 | 3.10 | 3.45 | 5.36 | 3.89 | 3.19 | 3.86 | 5.36 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.18 | 0.00 | 0.00 | 0.00 | 0.00 | 1.09 | |||||||||||||
YRS | 74 | 75 | 76 | 75 | 75 | 74 | 72 | 73 | 75 | 74 | 76 | 75 | 64 |