YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | 2.18 | 0.86 | 1.90 | v | 0.93 | 1.93 | 0.00 | 6.20 | f | ||||||
1931 | 0.03 | 1.28 | 1.13 | 1.16 | 0.98 | 0.77 | 0.80 | 0.75 | 3.03 | 2.20 | 2.66 | 1.79 | 16.58 | |||||||||||||
1932 | 0.86 | 2.42 | 0.19 | 1.68 | 0.15 | 0.49 | 1.37 | 1.73 | 1.39 | 0.62 | 0.00 | 1.33 | 12.23 | |||||||||||||
1933 | 0.76 | 0.27 | 0.06 | 0.63 | 1.07 | 0.35 | 1.54 | 0.86 | 5.25 | 0.64 | 1.33 | 0.61 | 13.37 | |||||||||||||
1934 | 0.18 | 1.56 | 0.00 | 0.30 | 0.69 | 0.25 | 0.15 | 0.49 | 1.14 | 0.05 | 1.30 | 0.92 | 7.03 | |||||||||||||
1935 | 1.70 | 0.63 | 1.58 | w | 2.10 | x | 0.54 | 0.00 | 2.47 | 2.35 | 1.59 | 1.29 | 0.13 | 1.02 | 11.72 | b | ||||||||||
1936 | 0.40 | 1.86 | 1.24 | 0.00 | 0.49 | 0.27 | 1.86 | 3.16 | r | 1.41 | 2.19 | 0.60 | 1.59 | 11.91 | a | |||||||||||
1937 | 2.26 | 2.43 | 2.77 | 0.10 | 1.12 | 0.87 | 1.89 | 1.05 | 1.53 | 0.66 | 0.35 | 0.99 | 16.02 | |||||||||||||
1938 | 1.99 | 1.63 | 4.03 | 0.55 | 0.53 | 0.36 | 1.18 | 0.84 | 2.69 | 0.35 | 0.43 | 1.09 | 15.67 | |||||||||||||
1939 | 1.23 | 0.49 | q | 1.50 | 0.46 | 0.06 | 0.15 | 0.63 | 0.89 | 2.98 | s | 0.83 | 0.62 | 0.08 | 6.45 | b | ||||||||||
1940 | 1.67 | 1.59 | 0.39 | 1.36 | 0.62 | 0.94 | 0.17 | 1.51 | 5.05 | 3.37 | 1.74 | 2.85 | 21.26 | |||||||||||||
1941 | 1.34 | 1.56 | 2.19 | 2.70 | 1.70 | 1.27 | 0.39 | 1.58 | 2.72 | 4.98 | 0.99 | 1.33 | 22.75 | |||||||||||||
1942 | 0.75 | 0.92 | 1.46 | 2.25 | 0.24 | 0.06 | 1.76 | 0.08 | 1.42 | 1.97 | 0.32 | 1.05 | 12.28 | |||||||||||||
1943 | 1.33 | 0.81 | 1.40 | 0.37 | 1.18 | 0.45 | 0.76 | 2.46 | 1.14 | 1.93 | 0.79 | 1.24 | 13.86 | |||||||||||||
1944 | 0.94 | 0.97 | 1.15 | 3.78 | 0.68 | 0.97 | 0.30 | 0.85 | 0.20 | 0.42 | 1.46 | 2.43 | 14.15 | |||||||||||||
1945 | 0.95 | 0.89 | 1.23 | 0.69 | 0.56 | 0.42 | 1.14 | 1.87 | 0.04 | 1.07 | 0.00 | 1.17 | 10.03 | |||||||||||||
1946 | 0.08 | 0.00 | 1.19 | 1.59 | 0.81 | 0.10 | 1.57 | 1.24 | 1.58 | 1.93 | 1.64 | w | 1.00 | 11.09 | a | |||||||||||
1947 | 0.37 | 0.50 | a | 0.30 | 0.15 | 2.62 | 1.84 | 0.58 | 4.30 | 0.75 | 1.89 | 0.52 | 1.75 | 15.57 | ||||||||||||
1948 | 0.10 | 0.96 | 1.95 | 0.21 | 0.33 | 1.72 | 0.43 | 2.03 | 1.73 | 1.70 | 0.32 | 1.68 | a | 13.16 | ||||||||||||
1949 | 4.07 | 1.34 | 0.98 | 1.18 | 1.92 | 1.41 | 2.16 | 0.21 | 0.57 | 2.24 | 0.45 | 0.90 | 17.43 | |||||||||||||
1950 | 1.04 | 1.03 | 1.22 | 0.49 | 0.30 | 0.24 | 0.82 | 0.57 | 2.02 | 0.00 | 0.71 | 0.26 | 8.70 | |||||||||||||
1951 | 1.02 | 0.49 | 0.16 | 1.64 | 1.27 | 0.28 | 0.66 | 2.79 | 0.46 | 1.10 | 0.83 | 1.86 | 12.56 | |||||||||||||
1952 | 1.23 | 0.45 | 0.58 | 1.59 | 0.57 | 0.68 | 1.04 | 1.40 | 1.20 | 0.00 | 0.79 | 0.48 | 10.01 | |||||||||||||
1953 | 0.58 | 0.38 | 1.19 | 1.45 | 0.52 | 0.12 | 2.79 | 2.31 | 0.00 | 3.44 | 2.49 | 0.29 | 15.56 | |||||||||||||
1954 | 0.70 | 0.11 | 1.52 | 0.36 | 1.55 | 0.20 | 0.21 | 1.21 | 1.66 | 1.21 | 1.11 | 0.56 | 10.40 | |||||||||||||
1955 | 0.85 | 1.55 | 0.02 | 0.87 | 0.99 | 0.39 | 0.97 | 0.72 | 0.07 | 0.05 | 1.24 | 0.82 | 8.54 | |||||||||||||
1956 | 0.83 | 0.27 | 0.05 | 0.19 | 0.53 | 0.09 | 2.04 | 0.42 | a | 0.22 | 1.63 | 0.03 | 0.15 | 6.45 | ||||||||||||
1957 | 2.96 | 0.71 | 0.48 | 2.53 | 4.39 | 1.55 | 1.43 | 3.57 | 0.00 | 3.46 | 3.30 | 0.76 | 25.14 | |||||||||||||
1958 | 0.68 | 1.32 | 1.44 | 0.29 | 0.44 | 0.09 | 0.87 | 1.34 | 1.27 | 0.63 | a | 0.69 | 0.03 | 9.09 | ||||||||||||
1959 | 0.19 | 1.09 | 0.03 | 1.13 | 0.17 | 0.68 | 0.78 | 1.38 | 0.83 | 2.14 | 0.40 | 1.69 | 10.51 | |||||||||||||
1960 | 0.96 | 0.59 | 0.59 | 1.20 | 0.20 | 0.31 | g | 0.61 | 0.24 | 0.69 | 2.77 | 0.95 | 0.52 | 9.32 | a | |||||||||||
1961 | 0.30 | 0.28 | 1.19 | 0.53 | 0.19 | 0.00 | 1.32 | 2.61 | 3.00 | 2.39 | 0.83 | 0.39 | 13.03 | |||||||||||||
1962 | 0.05 | 1.15 | 0.35 | 0.56 | 0.68 | 0.18 | 0.20 | 0.36 | 2.70 | 1.77 | 1.21 | 0.75 | 9.96 | |||||||||||||
1963 | 0.49 | 0.64 | 0.39 | 0.50 | 0.27 | 0.18 | 1.18 | 2.15 | 1.22 | 1.20 | 0.39 | 0.27 | 8.88 | |||||||||||||
1964 | 0.21 | 0.09 | 0.74 | 1.26 | 0.43 | 0.03 | 2.23 | 1.49 | 1.26 | 0.00 | 1.04 | 1.29 | 10.07 | |||||||||||||
1965 | 0.88 | 0.85 | 0.82 | 2.67 | 1.79 | 1.23 | 1.91 | 2.02 | 2.41 | 2.38 | 1.95 | 3.33 | 22.24 | |||||||||||||
1966 | 0.19 | 0.92 | 0.00 | 0.73 | 0.85 | 0.16 | 1.49 | 0.70 | 1.23 | 0.54 | 1.26 | 2.94 | 11.01 | |||||||||||||
1967 | 0.39 | 0.04 | 0.20 | 0.63 | 1.40 | 1.03 | 2.70 | 2.47 | 0.24 | 0.02 | 0.21 | 2.61 | 11.94 | |||||||||||||
1968 | 0.44 | 0.40 | 0.27 | 0.90 | 0.39 | 0.02 | 1.36 | 2.68 | 0.25 | 0.84 | 0.50 | 1.03 | 9.08 | |||||||||||||
1969 | 2.41 | 1.50 | 0.67 | 0.00 | 0.92 | 0.60 | 0.64 | 0.75 | 0.45 | 2.33 | 0.89 | 0.29 | 11.45 | |||||||||||||
1970 | 0.18 | 0.07 | 2.39 | 0.62 | 0.00 | 0.04 | 0.44 | 1.65 | 4.65 | 1.58 | 0.98 | 0.79 | 13.39 | |||||||||||||
1971 | 0.07 | 0.68 | 0.06 | 0.49 | 1.24 | 0.00 | 0.64 | 1.19 | 1.03 | 4.14 | 0.87 | 2.16 | 12.57 | |||||||||||||
1972 | 0.00 | 0.00 | 0.00 | 0.26 | 0.05 | 0.75 | 0.81 | 0.30 | 1.50 | 7.97 | 0.59 | 1.51 | 13.74 | |||||||||||||
1973 | 1.05 | 0.47 | 1.51 | 0.81 | 1.42 | 1.57 | 0.76 | 1.92 | 0.73 | 0.73 | 0.96 | 0.01 | 11.94 | |||||||||||||
1974 | 1.54 | 0.00 | 0.28 | 1.10 | 0.00 | 0.00 | 1.56 | 0.53 | 0.83 | 2.80 | 2.12 | 0.42 | 11.18 | |||||||||||||
1975 | 0.64 | 0.95 | 1.31 | 1.07 | 0.41 | 0.11 | 0.94 | 0.92 | 0.52 | 0.19 | 0.29 | 0.79 | 8.14 | |||||||||||||
1976 | 0.11 | 3.54 | 0.48 | 0.53 | 1.58 | 0.00 | 0.87 | 1.24 | 1.41 | 0.00 | 0.00 | 0.00 | 9.76 | |||||||||||||
1977 | 0.57 | 0.15 | 0.14 | 0.10 | 0.94 | 0.10 | 2.88 | 2.00 | 1.39 | 1.93 | 1.37 | 0.26 | 11.83 | |||||||||||||
1978 | 1.76 | 0.81 | 2.49 | 1.14 | 1.65 | 0.00 | 0.05 | 0.17 | 0.22 | 1.51 | 3.84 | 2.90 | 16.54 | |||||||||||||
1979 | 2.18 | a | 1.25 | 1.19 | 0.20 | 2.09 | 0.63 | 1.23 | 0.64 | 0.00 | 0.79 | 1.06 | 1.14 | 12.40 | ||||||||||||
1980 | 1.70 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.30 | e | 0.22 | 0.98 | 1.94 | 0.31 | 0.44 | 5.89 | e | ||||||
1981 | 0.40 | 0.85 | 2.04 | 0.83 | 1.66 | 0.47 | 2.32 | 2.10 | 1.02 | 1.85 | 0.74 | 0.18 | 14.46 | |||||||||||||
1982 | 0.67 | 0.78 | 2.13 | 0.00 | 0.69 | 0.00 | 0.68 | 2.00 | a | 2.93 | 1.02 | 2.43 | 0.88 | 14.21 | ||||||||||||
1983 | 0.79 | 1.04 | 2.03 | 0.90 | 0.62 | a | 0.55 | 1.30 | 1.44 | 1.54 | 0.16 | 1.95 | 1.34 | 13.66 | ||||||||||||
1984 | 0.35 | 0.14 | 0.40 | 0.46 | 0.51 | 1.79 | 1.90 | 2.39 | 0.96 | 2.86 | 0.05 | 2.16 | 13.97 | |||||||||||||
1985 | 0.68 | 0.03 | 1.50 | 1.63 | 0.77 | ----- | z | 3.60 | 0.15 | 3.60 | 2.01 | 2.13 | 0.03 | 16.13 | a | |||||||||||
1986 | 0.14 | 0.53 | 0.78 | 0.78 | 1.21 | 0.45 | 2.76 | 1.03 | 2.57 | 2.01 | 2.11 | 0.54 | 14.91 | |||||||||||||
1987 | 0.94 | 1.58 | 1.28 | 0.47 | 0.69 | 0.05 | 2.26 | 2.58 | 0.41 | 2.38 | 1.92 | a | 0.73 | 15.29 | ||||||||||||
1988 | 0.74 | 0.36 | 0.10 | 1.45 | 0.94 | 0.67 | 0.59 | 1.24 | 1.33 | 0.18 | 0.27 | 0.54 | 8.41 | |||||||||||||
1989 | 0.49 | 0.36 | 0.81 | 0.00 | 0.05 | 0.03 | 1.05 | 0.64 | 0.42 | 0.51 | a | 0.00 | 0.19 | 4.55 | ||||||||||||
1990 | 0.46 | 0.76 | 0.63 | 1.84 | 0.91 | 0.13 | 1.27 | 2.14 | 2.07 | 1.87 | 0.35 | 0.96 | 13.39 | |||||||||||||
1991 | 0.80 | 0.19 | 0.56 | 0.09 | 0.19 | 1.94 | 0.98 | 1.58 | 1.77 | 0.97 | 1.54 | 1.13 | 11.74 | |||||||||||||
1992 | 0.39 | 0.77 | 1.08 | 0.07 | 2.07 | 0.33 | 2.55 | 1.24 | 0.73 | 1.62 | 0.88 | 1.39 | a | 13.12 | ||||||||||||
1993 | 2.25 | 2.06 | 0.46 | 0.35 | 1.19 | a | 0.26 | 0.00 | 1.61 | 0.45 | 2.23 | 0.62 | 0.38 | 11.86 | ||||||||||||
1994 | 0.34 | 1.42 | 0.21 | 2.13 | 0.78 | 0.05 | 0.55 | 0.53 | 2.93 | 1.55 | 1.09 | w | 1.09 | v | 10.49 | b | ||||||||||
1995 | 1.07 | 0.63 | 2.30 | 0.78 | 2.99 | 1.05 | 0.79 | 0.58 | 1.14 | 0.00 | 0.38 | 0.08 | 11.79 | |||||||||||||
1996 | 0.33 | 0.58 | 0.15 | 0.27 | 0.19 | 0.78 | 1.08 | 0.57 | 1.43 | 3.92 | 1.40 | 0.52 | 11.22 | |||||||||||||
1997 | 1.50 | 0.60 | a | 0.04 | 1.92 | 1.10 | 0.31 | 1.50 | 3.23 | 1.94 | 1.70 | a | 0.89 | 0.47 | 15.20 | |||||||||||
1998 | 0.54 | 0.53 | 1.65 | 0.51 | 0.53 | 0.10 | 2.03 | 0.71 | 0.29 | 3.66 | 1.67 | 0.10 | 12.32 | |||||||||||||
1999 | 0.22 | 0.40 | 0.00 | 2.12 | 1.39 | 0.80 | 1.68 | 3.13 | 0.56 | 0.00 | 0.07 | 0.17 | 10.54 | |||||||||||||
2000 | 1.41 | 0.55 | 1.16 | a | 0.02 | 0.21 | 0.02 | 0.22 | 2.13 | 0.64 | 2.62 | 0.39 | 0.27 | 9.64 | ||||||||||||
2001 | 0.93 | 0.52 | 0.42 | 1.10 | 0.54 | 0.19 | 0.07 | 2.03 | 0.49 | 0.86 | 1.31 | 0.48 | 8.94 | |||||||||||||
2002 | 0.10 | 0.05 | 0.53 | 0.17 | 0.12 | 0.07 | 0.40 | 0.35 | 1.75 | 1.69 | 0.49 | 0.78 | 6.50 | |||||||||||||
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | 1.12 | s | 0.19 | 0.40 | 0.89 | 1.48 | i | |||
2015 | 0.97 | a | 1.52 | 0.87 | b | 0.74 | 2.82 | b | 2.30 | b | 3.26 | 1.61 | 0.59 | c | 2.58 | h | 1.79 | a | 1.53 | c | 18.00 | a | ||||
2016 | 2.16 | g | 0.03 | b | 0.32 | b | 0.51 | 1.36 | j | 0.00 | b | 0.76 | a | 2.08 | e | 1.41 | 0.10 | 0.74 | 1.46 | a | 7.41 | b | ||||
2017 | 2.08 | j | 0.71 | 0.50 | c | 0.19 | 1.04 | 0.00 | 1.00 | e | 0.74 | e | 0.86 | 0.00 | 0.01 | 0.04 | 5.09 | a | ||||||||
2018 | 0.69 | a | 0.60 | e | 0.37 | c | 0.18 | 0.73 | c | 0.05 | 1.20 | a | 0.34 | 0.73 | c | 2.27 | f | 0.00 | a | 1.00 | d | 5.89 | a | |||
2019 | 2.66 | h | 4.49 | k | 2.70 | c | 0.69 | a | 2.98 | e | 0.50 | c | 0.36 | a | 0.15 | 0.02 | 0.10 | 1.89 | d | 1.85 | a | 11.24 | b | |||
2020 | 0.58 | 0.08 | b | 0.95 | d | 0.07 | 0.07 | 0.44 | 1.67 | 0.01 | 1.27 | 0.41 | 1.03 | 0.76 | 7.34 | |||||||||||
2021 | 1.38 | 1.13 | 1.09 | 0.01 | 0.79 | 0.38 | 2.01 | 2.43 | j | 1.42 | e | 1.98 | a | 0.07 | 1.72 | 11.98 | a | |||||||||
2022 | 0.10 | 0.60 | 1.30 | 0.26 | 0.01 | 1.74 | 1.35 | 1.52 | 1.00 | 2.16 | 0.74 | 1.54 | 12.32 | |||||||||||||
2023 | 2.97 | 1.36 | 3.80 | 0.30 | 0.49 | 0.14 | 0.31 | 0.94 | 0.60 | 0.25 | 0.78 | 0.85 | 12.79 | |||||||||||||
2024 | 0.82 | 1.67 | 1.45 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.94 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.89 | 0.83 | 0.98 | 0.83 | 0.91 | 0.50 | 1.23 | 1.36 | 1.33 | 1.53 | 0.97 | 0.98 | 12.47 | |||||||||||||
S.D. | 0.77 | 0.65 | 0.86 | 0.76 | 0.80 | 0.56 | 0.82 | 0.90 | 1.10 | 1.34 | 0.79 | 0.77 | 3.78 | |||||||||||||
SKEW | 1.61 | 1.28 | 1.24 | 1.38 | 1.74 | 1.38 | 0.71 | 0.71 | 1.53 | 1.66 | 1.17 | 0.97 | 0.96 | |||||||||||||
MAX | 4.07 | 3.54 | 4.03 | 3.78 | 4.39 | 2.30 | 3.60 | 4.30 | 5.25 | 7.97 | 3.84 | 3.33 | 25.14 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.00 | 0.00 | 0.00 | 0.00 | 4.55 | |||||||||||||
YRS | 79 | 79 | 80 | 79 | 79 | 79 | 82 | 80 | 80 | 81 | 81 | 82 | 67 |