YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1929 | ----- | z | ----- | z | ----- | z | 0.00 | k | 4.82 | 0.46 | 2.64 | 3.45 | 1.25 | 0.71 | ----- | z | ----- | z | 13.33 | f | ||||||
1930 | 0.00 | ----- | z | ----- | z | 0.94 | 2.23 | 0.80 | 4.88 | 1.24 | 0.71 | 0.75 | 1.03 | 0.00 | 12.58 | b | ||||||||||
1931 | ----- | z | ----- | z | ----- | z | 1.36 | 0.68 | 0.56 | 2.37 | 2.56 | 4.43 | 0.80 | ----- | z | ----- | z | 12.76 | e | |||||||
1932 | ----- | z | ----- | z | ----- | z | 0.48 | 2.41 | 1.30 | 2.46 | 2.96 | 0.94 | 1.77 | 0.00 | 0.47 | 12.79 | c | |||||||||
1933 | 0.03 | 0.06 | ----- | z | 0.60 | 0.61 | 2.78 | 1.84 | 1.64 | 0.51 | 0.58 | 0.90 | 0.98 | 10.53 | a | |||||||||||
1934 | 0.55 | 1.68 | a | 0.41 | ----- | z | 2.19 | 0.41 | 2.70 | 1.75 | 1.65 | 0.53 | 0.93 | 0.20 | 13.00 | a | ||||||||||
1935 | 1.45 | 0.96 | 1.23 | a | 1.43 | 3.29 | 1.62 | 2.15 | 3.92 | 1.85 | 1.04 | 1.62 | a | 0.25 | 20.81 | |||||||||||
1936 | 0.98 | 1.33 | a | 0.68 | 0.66 | 1.92 | 1.74 | 3.03 | 4.34 | 2.57 | 1.27 | 0.53 | 0.86 | 19.91 | ||||||||||||
1937 | 0.12 | a | 2.62 | a | 2.21 | 1.11 | 1.23 | 2.98 | 2.86 | 2.26 | 1.14 | 0.61 | 0.43 | a | ----- | z | 17.57 | a | ||||||||
1938 | 0.76 | 0.57 | b | 2.19 | 1.24 | u | 1.92 | 1.90 | 1.57 | o | 1.65 | 1.24 | 2.04 | 0.38 | 0.70 | b | 13.35 | b | ||||||||
1939 | 1.02 | e | 0.23 | 0.25 | 1.63 | 0.40 | 0.22 | 1.37 | 1.50 | w | 2.50 | 0.55 | 0.52 | ----- | z | 8.69 | b | |||||||||
1940 | 0.58 | b | 0.81 | a | 0.86 | 0.96 | 2.23 | 0.44 | 3.37 | 3.95 | 1.60 | 1.20 | 2.38 | 0.51 | 18.89 | |||||||||||
1941 | 0.28 | 0.74 | 2.77 | 1.34 | 2.67 | 1.57 | 2.42 | 1.97 | 2.08 | 2.12 | r | 0.26 | b | 0.61 | c | 16.71 | a | |||||||||
1942 | 0.26 | 0.68 | e | 0.77 | b | 5.02 | a | 0.11 | 0.84 | 1.82 | 0.97 | 2.79 | 1.90 | a | 0.00 | 0.88 | c | 16.04 | ||||||||
1943 | 0.96 | 0.90 | 1.06 | 0.61 | 1.31 | a | 0.39 | x | 2.47 | o | 3.17 | t | 1.15 | 0.78 | a | 0.94 | 0.71 | e | 8.42 | c | ||||||
1944 | 0.80 | 0.76 | b | 0.51 | b | 2.51 | r | 0.64 | 0.21 | x | 2.64 | a | 0.84 | s | ----- | z | 1.79 | 0.84 | 0.76 | b | 8.74 | d | ||||
1945 | 1.60 | 0.72 | 0.94 | 2.01 | f | 1.20 | 0.50 | 3.10 | 1.55 | 1.74 | 0.60 | 0.11 | 0.55 | 12.61 | a | |||||||||||
1946 | 0.45 | 0.31 | a | 0.61 | a | 0.39 | 1.56 | 0.10 | 2.44 | 3.59 | 0.95 | u | 1.63 | 1.77 | ----- | z | 12.85 | b | ||||||||
1947 | 0.78 | 0.79 | a | 1.26 | 0.72 | 2.16 | 0.52 | 1.87 | 2.91 | o | 0.46 | y | 0.99 | u | 0.78 | w | ----- | z | 8.10 | e | ||||||
1948 | 0.02 | 0.15 | h | 1.19 | c | 0.00 | o | 0.07 | w | 1.00 | 2.59 | 2.75 | 0.31 | 0.84 | 0.26 | 2.15 | 11.11 | c | ||||||||
1949 | 0.70 | 0.58 | 0.94 | 0.64 | 1.19 | 2.38 | 3.61 | 1.56 | 2.21 | 0.26 | 0.09 | 0.46 | 14.62 | |||||||||||||
1950 | 1.36 | 0.05 | 0.34 | 0.34 | 0.12 | 2.38 | 3.88 | 1.36 | 2.10 | 0.16 | 0.30 | 0.13 | 12.52 | |||||||||||||
1951 | 1.22 | 0.26 | 0.92 | 1.11 | 1.46 | 0.11 | 2.95 | 1.90 | 0.19 | 0.86 | 1.15 | 1.79 | 13.92 | |||||||||||||
1952 | 0.86 | 0.12 | 0.58 | 0.76 | 1.84 | 0.06 | 2.05 | 2.61 | 1.29 | 0.02 | 1.62 | 0.14 | 11.95 | |||||||||||||
1953 | 0.32 | 0.48 | 0.28 | 0.40 | k | ----- | z | 0.26 | 3.07 | 2.15 | 0.11 | 1.43 | 1.74 | 0.29 | 10.13 | b | ||||||||||
1954 | 0.24 | 0.21 | 0.97 | 0.04 | 1.26 | 0.52 | 2.83 | 1.40 | 0.56 | 0.65 | 0.13 | 0.21 | 9.02 | |||||||||||||
1955 | 0.13 | a | 0.83 | 0.22 | a | 1.01 | 4.60 | 1.11 | 1.43 | 2.42 | 0.63 | 0.00 | 0.20 | 0.53 | 13.11 | |||||||||||
1956 | 0.59 | 0.51 | 0.25 | 0.35 | 0.94 | 0.16 | 1.91 | 1.49 | 0.05 | 0.27 | 0.32 | 0.10 | 6.94 | |||||||||||||
1957 | 2.73 | 0.18 | 1.29 | 0.99 | 2.42 | 1.07 | 2.83 | 3.85 | 0.06 | 3.25 | 1.25 | 0.00 | 19.92 | |||||||||||||
1958 | 0.03 | 0.37 | 1.03 | 1.32 | 1.54 | 0.55 | 0.96 | 1.38 | 0.95 | 1.01 | 0.67 | 0.30 | 10.11 | |||||||||||||
1959 | 0.50 | 0.30 | 0.15 | 1.40 | c | 1.46 | 2.29 | 2.84 | 3.82 | 0.26 | 1.27 | a | 0.15 | 1.55 | 15.99 | |||||||||||
1960 | ----- | z | 1.17 | b | 0.69 | 0.61 | a | 0.00 | ----- | z | 2.12 | e | 6.06 | 1.28 | ----- | z | ----- | z | 0.50 | 12.43 | d | |||||
1961 | 0.34 | 0.40 | 0.81 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.17 | r | 0.64 | 0.45 | 0.41 | 3.05 | f | |||||
1962 | 0.77 | 0.50 | 0.67 | 0.76 | 0.19 | 1.30 | 2.36 | 0.15 | p | ----- | z | 0.25 | 0.40 | 0.10 | 7.30 | b | ||||||||||
1963 | 0.69 | 0.96 | 0.20 | n | 0.00 | 0.25 | 1.14 | 4.34 | 4.30 | 3.08 | 0.00 | ----- | z | 0.25 | p | 14.76 | c | |||||||||
1964 | 0.26 | 1.86 | h | 0.55 | 1.21 | 1.19 | 0.42 | ----- | z | 2.91 | i | 1.19 | h | 0.10 | 0.98 | 2.36 | a | 7.07 | d | |||||||
1965 | 0.52 | 0.05 | d | 1.44 | 1.10 | 1.18 | 2.09 | 3.92 | 1.70 | 1.97 | 0.38 | n | 0.76 | 1.08 | 15.81 | a | ||||||||||
1966 | 0.00 | 0.23 | 0.00 | 1.07 | 0.23 | 1.62 | 2.82 | 6.06 | 0.64 | 0.00 | 0.50 | 1.31 | 14.48 | |||||||||||||
1967 | 0.90 | 0.75 | 1.14 | 0.00 | 1.45 | 1.30 | 4.07 | 3.33 | 0.67 | 0.59 | 0.00 | 2.50 | 16.70 | |||||||||||||
1968 | 0.15 | 0.30 | 0.42 | 0.12 | 1.77 | 0.27 | 3.28 | 3.09 | 0.74 | 0.29 | 0.33 | 0.36 | 11.12 | |||||||||||||
1969 | 1.14 | 0.05 | 1.32 | 1.14 | 2.52 | 1.71 | 5.44 | 3.98 | 1.63 | 1.68 | 0.49 | 0.66 | 21.76 | |||||||||||||
1970 | 0.05 | 0.11 | 1.17 | 1.17 | 0.90 | 0.78 | 2.23 | 2.19 | 1.00 | 0.20 | 0.39 | 0.23 | 10.42 | |||||||||||||
1971 | 0.38 | 0.16 | 0.05 | 0.24 | 0.62 | 0.89 | 2.90 | 3.16 | 1.78 | 1.56 | 0.68 | 0.57 | 12.99 | |||||||||||||
1972 | 0.19 | 0.07 | 0.07 | 0.39 | 0.94 | 0.99 | 2.66 | a | 4.50 | 0.79 | 1.10 | a | 0.12 | 0.16 | 11.98 | |||||||||||
1973 | 0.15 | 0.10 | ----- | z | 0.30 | 0.75 | 1.07 | 1.61 | 0.94 | 2.09 | 0.52 | 0.26 | 1.60 | 9.39 | a | |||||||||||
1974 | 2.50 | g | 0.00 | a | 1.40 | a | 0.00 | 0.16 | 2.03 | 2.02 | 2.81 | 0.44 | 1.86 | 0.39 | 1.40 | 12.51 | a | |||||||||
1975 | 0.89 | 1.96 | 0.59 | 0.34 | 0.02 | 0.61 | 4.36 | 0.99 | 2.32 | 0.00 | 1.92 | 0.43 | 14.43 | |||||||||||||
1976 | 0.12 | 0.43 | 0.14 | 0.29 | 0.28 | 0.38 | 3.12 | 1.44 | 1.28 | 0.18 | 0.70 | 0.00 | 8.36 | |||||||||||||
1977 | 1.27 | 0.29 | 0.20 | 1.54 | 0.68 | 4.08 | 5.84 | 3.89 | 1.87 | 0.00 | 1.19 | 0.00 | 20.85 | |||||||||||||
1978 | 0.46 | 0.10 | 1.33 | 0.16 | 1.80 | 0.43 | 2.28 | 1.68 | 0.77 | 0.71 | 4.34 | 0.72 | 14.78 | |||||||||||||
1979 | 1.35 | 0.35 | 0.78 | 0.80 | 3.98 | 2.71 | 1.97 | 2.01 | 0.81 | 0.57 | 0.47 | 0.52 | 16.32 | |||||||||||||
1980 | 1.15 | 0.70 | 0.94 | 2.07 | 2.05 | 0.02 | 0.90 | 2.07 | 0.53 | 0.50 | 0.56 | 0.20 | 11.69 | |||||||||||||
1981 | 0.12 | 0.05 | 0.93 | 0.41 | 1.47 | 1.07 | 2.47 | 6.06 | 1.14 | a | 0.53 | 0.35 | 0.18 | 14.78 | ||||||||||||
1982 | 1.37 | a | 1.89 | 1.27 | x | 0.25 | u | 2.22 | e | 1.27 | 2.17 | 6.15 | 1.74 | 0.04 | q | 1.14 | a | 0.79 | 18.74 | c | ||||||
1983 | 0.02 | c | 0.81 | b | 0.78 | h | ----- | z | ----- | z | 1.68 | 2.99 | 1.80 | 0.63 | 0.27 | 0.66 | 1.29 | 10.15 | c | |||||||
1984 | 0.52 | 0.53 | 1.03 | a | 0.50 | 1.07 | 1.40 | 3.05 | a | 2.71 | 0.61 | 2.15 | 0.12 | 1.56 | 15.25 | |||||||||||
1985 | 0.59 | 0.28 | 2.94 | 2.40 | 1.58 | 1.16 | 2.00 | 1.80 | 1.73 | 2.29 | 0.59 | 0.21 | 17.57 | |||||||||||||
1986 | 0.39 | 0.56 | 0.51 | 2.52 | a | 1.81 | 3.80 | 1.16 | 2.95 | 2.62 | 1.14 | 1.26 | a | 0.84 | 19.56 | |||||||||||
1987 | 1.13 | 1.77 | 1.69 | 0.46 | 1.47 | 0.81 | 0.39 | a | 4.17 | 0.99 | 0.32 | 0.48 | 0.59 | 14.27 | ||||||||||||
1988 | 0.66 | 0.78 | 0.55 | 1.33 | 1.41 | 3.63 | 2.02 | 3.60 | 1.65 | 0.39 | 0.81 | 0.48 | 17.31 | |||||||||||||
1989 | 1.23 | 3.24 | 0.54 | 0.44 | a | 0.25 | 1.51 | 1.88 | 2.23 | 2.29 | 2.51 | 0.00 | 1.06 | 17.18 | ||||||||||||
1990 | 0.64 | 1.11 | 0.95 | b | 0.83 | 0.84 | a | 0.88 | 4.48 | 1.92 | 2.04 | 0.48 | 1.24 | a | 2.21 | 17.62 | ||||||||||
1991 | 0.17 | 0.39 | 1.62 | 0.18 | 2.61 | 1.88 | 3.11 | 4.04 | 2.69 | 0.87 | 1.23 | 0.96 | 19.75 | |||||||||||||
1992 | 0.59 | 0.18 | 1.25 | 0.00 | 1.31 | t | 1.44 | 1.22 | 0.91 | 0.31 | 0.05 | 0.58 | 0.74 | 7.27 | a | |||||||||||
1993 | 0.60 | 0.85 | e | 0.46 | 1.79 | 1.51 | 0.26 | 1.86 | 4.44 | e | 0.30 | 1.39 | 0.76 | 0.22 | e | 14.44 | ||||||||||
1994 | ----- | z | 1.03 | 4.95 | 2.70 | e | 1.00 | 0.41 | 2.43 | 5.32 | 0.71 | 1.87 | 1.19 | 1.14 | 22.75 | a | ||||||||||
1995 | 0.60 | 2.91 | 0.47 | a | 7.32 | 3.36 | 2.48 | 1.28 | 2.70 | 2.17 | 0.00 | 0.20 | 0.31 | 23.80 | ||||||||||||
1996 | ----- | z | ----- | z | ----- | z | 0.33 | c | 0.00 | 1.83 | 2.13 | 2.93 | 1.11 | 1.76 | 1.23 | 0.13 | 11.45 | c | ||||||||
1997 | 0.56 | a | 1.38 | 0.59 | 2.19 | 1.35 | 1.32 | 1.29 | 1.82 | 1.46 | 0.73 | 1.05 | 0.58 | 14.32 | ||||||||||||
1998 | 0.02 | 1.57 | 1.80 | 0.90 | 0.05 | 0.16 | 5.33 | 1.93 | a | 2.78 | 3.02 | 1.29 | 0.08 | 18.93 | ||||||||||||
1999 | 0.37 | 0.11 | 0.63 | 2.20 | 3.26 | 0.97 | 3.35 | 3.33 | 0.43 | 0.80 | 0.02 | 0.78 | 16.25 | |||||||||||||
2000 | 0.58 | 0.37 | 2.10 | 1.43 | 0.26 | 0.94 | 2.12 | 3.22 | 0.52 | 2.30 | a | 0.20 | 0.37 | 14.41 | ||||||||||||
2001 | 0.57 | 0.79 | 1.40 | 1.32 | 0.77 | 1.20 | 2.41 | 1.74 | 0.54 | 0.60 | 1.04 | 0.43 | 12.81 | |||||||||||||
2002 | 0.93 | 0.40 | 0.71 | 0.15 | 0.00 | 1.06 | 3.51 | 0.97 | 2.88 | 1.16 | 1.02 | 0.83 | 13.62 | |||||||||||||
2003 | 0.23 | 1.92 | 1.21 | 0.43 | 0.43 | 0.64 | 1.17 | 2.30 | 2.34 | 0.69 | 1.38 | 0.59 | 13.33 | |||||||||||||
2004 | 0.43 | 0.84 | 1.02 | 4.40 | 0.05 | 1.58 | 4.02 | 1.85 | 1.43 | 2.31 | 0.87 | 0.60 | 19.40 | |||||||||||||
2005 | 1.31 | 0.98 | 1.48 | 1.63 | 2.31 | 1.47 | 1.33 | 2.43 | a | 1.91 | 1.54 | 0.21 | 0.31 | 16.91 | ||||||||||||
2006 | 0.35 | 0.27 | 1.09 | 0.44 | 0.74 | 1.01 | 3.20 | f | 4.65 | 2.07 | 1.61 | 0.42 | 2.78 | 15.43 | a | |||||||||||
2007 | 0.91 | 1.06 | 0.65 | 0.74 | 1.77 | 1.26 | 5.41 | 1.78 | 1.83 | 0.37 | 0.48 | 2.08 | 18.34 | |||||||||||||
2008 | 1.68 | 1.65 | 0.94 | 0.84 | 1.28 | 0.28 | 5.98 | 4.33 | b | 1.53 | 1.08 | 0.49 | 2.98 | 23.06 | ||||||||||||
2009 | 0.62 | 0.20 | 0.99 | 0.86 | 1.45 | 2.60 | 1.86 | 1.59 | 2.69 | 1.56 | 0.51 | 2.32 | 17.25 | |||||||||||||
2010 | 0.72 | 1.33 | 1.98 | 0.46 | a | 0.36 | 0.83 | 3.27 | 1.90 | 1.01 | 1.80 | 0.47 | 0.92 | 15.05 | ||||||||||||
2011 | 0.16 | 1.23 | 0.73 | 0.62 | 0.46 | 0.00 | 3.60 | 1.76 | 2.95 | 2.27 | 1.65 | 1.07 | 16.50 | |||||||||||||
2012 | 0.67 | a | 0.45 | 1.02 | 1.51 | 0.74 | 0.38 | 1.53 | 2.97 | 1.66 | 0.26 | 0.23 | 2.14 | 13.56 | ||||||||||||
2013 | 0.66 | 0.64 | 0.31 | 0.42 | a | 0.21 | 0.64 | 4.42 | 3.25 | 3.77 | 1.70 | 2.18 | 0.42 | 18.62 | ||||||||||||
2014 | 0.34 | 0.48 | 0.93 | 1.91 | 2.41 | 1.61 | 4.46 | 2.95 | 1.00 | 0.78 | 1.70 | 0.97 | 19.54 | |||||||||||||
2015 | 0.99 | 2.81 | 1.59 | 1.31 | 3.79 | 2.45 | 2.67 | 2.76 | 0.60 | 2.30 | 1.69 | 0.72 | 23.68 | |||||||||||||
2016 | 0.62 | 0.73 | 0.25 | 2.22 | 0.92 | 0.25 | n | 1.01 | v | 1.73 | j | ----- | z | ----- | z | ----- | z | ----- | z | 4.74 | g | |||||
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.25 | v | 0.89 | 0.50 | 1.39 | j | ||
2019 | 0.41 | 1.20 | 2.81 | 1.91 | 2.04 | 1.81 | 4.08 | 2.27 | 0.52 | 1.01 | 1.66 | 1.28 | 21.00 | |||||||||||||
2020 | 0.70 | 1.45 | 0.87 | 0.25 | 0.49 | a | 0.64 | 1.89 | 1.65 | 0.80 | a | 1.52 | 0.77 | a | 1.11 | 12.14 | ||||||||||
2021 | 0.82 | 1.13 | 1.46 | b | 0.42 | 3.25 | 1.59 | 5.91 | a | 1.16 | 0.97 | 0.99 | 0.02 | a | 1.22 | 18.94 | ||||||||||
2022 | 1.08 | 1.31 | 1.25 | b | 0.08 | 0.18 | 2.91 | 2.07 | 3.06 | 1.11 | 2.12 | 0.43 | 0.56 | 16.16 | ||||||||||||
2023 | 1.54 | 1.80 | a | 2.07 | 0.42 | 1.77 | 1.30 | 2.69 | 3.14 | 1.55 | 0.32 | c | 0.40 | 1.36 | 18.36 | |||||||||||
2024 | 0.56 | 1.12 | 1.23 | 0.43 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.91 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.65 | 0.80 | 1.03 | 1.07 | 1.39 | 1.23 | 2.78 | 2.72 | 1.41 | 1.01 | 0.78 | 0.81 | 15.96 | |||||||||||||
S.D. | 0.48 | 0.69 | 0.76 | 1.12 | 1.08 | 0.89 | 1.21 | 1.28 | 0.89 | 0.77 | 0.67 | 0.69 | 3.74 | |||||||||||||
SKEW | 1.19 | 1.42 | 2.09 | 2.99 | 0.96 | 1.00 | 0.78 | 0.87 | 0.75 | 0.70 | 2.05 | 1.27 | -0.05 | |||||||||||||
MAX | 2.73 | 3.24 | 4.95 | 7.32 | 4.82 | 4.08 | 5.98 | 6.15 | 4.43 | 3.25 | 4.34 | 2.98 | 23.80 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.39 | 0.91 | 0.05 | 0.00 | 0.00 | 0.00 | 6.94 | |||||||||||||
YRS | 87 | 87 | 84 | 83 | 88 | 88 | 87 | 85 | 86 | 87 | 88 | 86 | 61 |