YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | 0.01 | 0.50 | 0.57 | 0.40 | 2.15 | 1.91 | 0.86 | 1.91 | ----- | z | ||||||||
1926 | 0.51 | 1.25 | u | 0.63 | 1.51 | 0.61 | 0.08 | 1.33 | 0.77 | 0.74 | y | 0.25 | 0.84 | 0.69 | x | ----- | z | |||||||||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.47 | 0.54 | 1.46 | 1.84 | 1.62 | 0.82 | 0.99 | ----- | z | |||||||
1928 | 0.32 | ----- | z | 0.42 | 0.66 | 0.73 | 0.11 | 0.44 | 0.12 | 1.19 | 0.47 | 0.25 | ----- | z | ----- | z | ||||||||||
1929 | 1.08 | ----- | z | 0.48 | a | 0.75 | 0.26 | 0.02 | 1.64 | 0.71 | 0.73 | w | 0.40 | 0.10 | ----- | z | ----- | z | ||||||||
1930 | 1.03 | t | 2.50 | y | 0.75 | w | 0.48 | 0.73 | u | 0.75 | 0.93 | p | 0.70 | 0.78 | 0.20 | 1.18 | 0.00 | ----- | z | |||||||
1931 | 0.71 | 1.28 | 0.26 | 0.81 | 0.56 | 1.25 | 1.05 | s | 0.80 | 1.07 | 0.33 | 1.40 | 2.35 | 2.35 | s | |||||||||||
1932 | 1.03 | u | 12.55 | q | 0.58 | 0.31 | 1.50 | 0.40 | 0.53 | 0.90 | 0.30 | 0.30 | 0.30 | ----- | z | ----- | z | |||||||||
1933 | 1.02 | 0.00 | 0.16 | 0.25 | 0.52 | 0.09 | 0.81 | 1.01 | 0.45 | 0.62 | ----- | z | ----- | z | ----- | z | ||||||||||
1934 | ----- | z | ----- | z | 0.00 | 0.35 | 1.89 | 0.26 | 0.40 | 1.13 | s | 0.15 | 0.33 | 1.18 | ----- | z | ----- | z | ||||||||
1935 | 1.10 | y | 4.00 | 2.08 | 0.79 | 0.60 | ----- | z | 0.81 | 0.93 | 0.78 | t | 0.00 | 0.62 | ----- | z | ----- | z | ||||||||
1936 | ----- | z | 1.12 | w | 1.94 | a | 0.20 | 0.21 | 0.26 | 0.77 | 1.09 | 0.81 | 1.04 | 0.32 | 2.40 | ----- | z | |||||||||
1937 | 0.97 | 0.28 | a | 1.06 | 0.60 | 0.17 | 0.45 | 0.38 | 0.26 | 2.00 | ----- | z | ----- | z | 0.80 | ----- | z | |||||||||
1938 | 1.14 | v | 2.00 | 1.95 | a | 0.20 | 0.72 | 0.76 | 0.13 | 0.31 | 0.15 | 0.43 | 0.32 | 1.59 | a | 2.00 | x | |||||||||
1939 | 0.98 | 1.22 | 0.78 | 0.50 | 0.12 | 0.00 | 0.25 | v | ----- | z | 1.83 | t | 0.37 | 1.10 | ----- | z | ----- | z | ||||||||
1940 | 0.75 | 0.86 | b | 0.47 | 1.10 | 0.55 | ----- | z | 0.22 | 1.73 | 1.75 | 1.79 | 0.72 | 1.19 | ----- | z | ||||||||||
1941 | 1.50 | a | 1.19 | 0.85 | 1.57 | 0.47 | 0.35 | 0.74 | 1.16 | 1.31 | 1.80 | 0.59 | 0.71 | 1.80 | a | |||||||||||
1942 | 0.43 | 0.90 | 0.70 | u | 0.91 | 0.12 | 0.00 | 0.70 | 0.50 | 0.61 | 0.49 | 0.38 | 1.36 | 1.36 | u | |||||||||||
1943 | 1.82 | 0.86 | 1.26 | ----- | z | 0.00 | 0.06 | 0.31 | 1.29 | c | 0.60 | 1.05 | 0.26 | 0.48 | ----- | z | ||||||||||
1944 | 0.63 | 1.54 | 1.92 | 0.63 | 0.22 | 0.02 | 0.20 | 0.12 | 0.08 | 0.01 | 0.97 | 0.71 | y | 1.92 | y | |||||||||||
1945 | 0.62 | 0.97 | 1.71 | 0.75 | a | 0.12 | 0.10 | 0.56 | 1.37 | q | 0.03 | 0.89 | 0.13 | 1.70 | 1.71 | r | ||||||||||
1946 | 0.68 | 0.40 | ----- | z | ----- | z | 0.11 | 0.00 | 0.88 | 0.63 | 0.79 | 0.66 | 1.02 | 1.17 | ----- | z | ||||||||||
1947 | 0.33 | 0.27 | 0.27 | a | 0.39 | 1.20 | 0.19 | 0.67 | 0.38 | 0.15 | 0.88 | 1.20 | 1.25 | b | 1.25 | c | ||||||||||
1948 | 0.32 | a | 0.59 | a | 0.86 | 0.24 | j | 0.28 | 0.61 | 0.45 | 1.14 | 0.98 | 0.64 | b | 0.02 | 1.48 | 1.48 | n | ||||||||
1949 | 1.70 | 0.94 | 0.47 | 0.48 | 0.58 | 0.92 | 0.07 | 0.53 | 1.34 | 0.54 | 0.43 | 0.65 | 1.70 | |||||||||||||
1950 | 1.39 | 2.08 | 0.75 | 0.07 | 0.76 | 0.26 | 1.12 | 1.54 | a | 0.90 | 0.00 | 0.33 | 0.87 | 2.08 | a | |||||||||||
1951 | 1.07 | 0.53 | 0.86 | 0.80 | 0.96 | i | 0.00 | 0.44 | 4.25 | 0.40 | 1.14 | 0.50 | 5.06 | 5.06 | i | |||||||||||
1952 | 3.60 | 0.40 | 2.70 | 1.20 | 0.20 | 0.27 | 0.90 | 0.50 | a | 1.55 | 0.00 | 0.85 | 0.67 | 3.60 | a | |||||||||||
1953 | 0.85 | 0.20 | 0.60 | 1.30 | 0.27 | 0.56 | 1.36 | 2.01 | 0.00 | 0.46 | 0.65 | 1.11 | 2.01 | |||||||||||||
1954 | 0.70 | 1.74 | 2.07 | 0.15 | 0.50 | 1.25 | j | 1.05 | 0.32 | j | 1.35 | 0.41 | 0.12 | 0.56 | 2.07 | t | ||||||||||
1955 | 0.96 | 0.90 | 0.12 | 0.20 | 0.07 | 2.38 | 0.59 | 1.05 | 0.02 | 0.00 | 1.04 | 1.76 | 2.38 | |||||||||||||
1956 | 0.95 | 0.25 | 0.12 | 0.29 | 0.48 | 0.24 | 0.65 | 1.48 | 0.00 | 1.15 | i | 0.00 | 1.01 | 1.48 | i | |||||||||||
1957 | 1.49 | 0.80 | 0.53 | 1.30 | 0.97 | 1.18 | 1.25 | 1.13 | 0.00 | 0.74 | 1.10 | 1.00 | 1.49 | |||||||||||||
1958 | 0.54 | 1.60 | o | 3.67 | n | 1.70 | 0.91 | 0.00 | 0.28 | 0.81 | 0.83 | 0.67 | b | 0.26 | p | ----- | z | ----- | z | |||||||
1959 | ----- | z | ----- | z | ----- | z | 0.44 | u | 0.17 | 0.25 | 0.38 | 0.77 | 0.26 | 0.71 | b | ----- | z | ----- | z | ----- | z | |||||
1960 | ----- | z | ----- | z | ----- | z | 0.75 | r | 0.38 | 0.29 | 0.36 | 0.89 | 1.22 | 1.47 | 0.82 | ----- | z | ----- | z | |||||||
1961 | ----- | z | ----- | z | ----- | z | ----- | z | 0.38 | 0.07 | 1.76 | 1.02 | 0.66 | 0.30 | 0.17 | k | ----- | z | ----- | z | ||||||
1962 | ----- | z | ----- | z | ----- | z | ----- | z | 1.70 | 0.37 | 0.19 | 0.84 | 0.38 | 0.66 | 0.60 | 0.03 | n | ----- | z | |||||||
1963 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.00 | 0.05 | 1.83 | 0.85 | 0.77 | 0.30 | j | ----- | z | ----- | z | ||||||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | 0.49 | 0.36 | 0.82 | 0.80 | 0.51 | 0.02 | 0.48 | r | ----- | z | ----- | z | ||||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | 1.23 | l | 0.69 | 0.94 | 0.46 | 0.86 | 0.82 | 0.76 | g | ----- | z | ----- | z | |||||
1966 | ----- | z | ----- | z | ----- | z | 0.00 | a | 0.48 | 0.83 | 1.21 | 0.78 | 0.35 | 0.46 | ----- | z | ----- | z | ----- | z | ||||||
1967 | ----- | z | ----- | z | ----- | z | 0.10 | o | 1.10 | 0.57 | 0.78 | 0.54 | 0.91 | 0.32 | 0.37 | ----- | z | ----- | z | |||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | f | 0.44 | 1.05 | 0.95 | 0.12 | 0.45 | 0.71 | ----- | z | ----- | z | ||||||
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 0.05 | i | 0.27 | 1.12 | 0.60 | 0.98 | 1.05 | ----- | z | ----- | z | ----- | z | |||||
1970 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 0.20 | 0.61 | 0.96 | 0.70 | 0.22 | 1.40 | b | ----- | z | ----- | z | ||||||
1971 | ----- | z | ----- | z | ----- | z | 0.30 | p | 0.38 | 0.00 | 0.40 | 0.37 | 0.00 | 1.20 | ----- | z | ----- | z | ----- | z | ||||||
1972 | ----- | z | ----- | z | ----- | z | 0.69 | 0.00 | 0.37 | 0.24 | 0.32 | 0.56 | ----- | z | ----- | z | ----- | z | ----- | z | ||||||
1973 | ----- | z | ----- | z | ----- | z | 0.64 | 0.85 | 0.78 | 0.52 | 0.31 | 0.59 | 0.18 | 0.59 | 0.35 | ----- | z | |||||||||
1974 | 1.20 | 0.55 | 0.65 | 0.62 | 0.00 | 0.00 | 0.70 | 0.04 | 0.30 | 1.41 | 0.85 | 0.78 | 1.41 | |||||||||||||
1975 | 2.24 | 0.96 | 1.52 | 0.59 | 0.54 | 0.20 | 1.27 | 0.68 | 0.51 | 0.14 | 1.35 | 0.73 | 2.24 | |||||||||||||
1976 | 0.09 | 1.90 | 0.61 | 1.05 | 0.70 | 0.07 | 0.44 | 0.35 | 0.81 | 0.55 | 0.15 | 0.73 | 1.90 | |||||||||||||
1977 | 1.13 | 0.03 | 0.32 | 0.61 | 0.88 | 0.21 | 0.80 | 0.83 | 0.33 | 0.89 | 0.64 | 0.50 | 1.13 | |||||||||||||
1978 | 2.10 | 1.10 | 2.30 | 0.51 | 0.62 | 0.00 | 0.12 | 0.43 | 0.73 | 0.73 | a | 1.50 | a | 2.98 | 2.98 | b | ||||||||||
1979 | 2.77 | 1.28 | 1.56 | 0.72 | 0.64 | 0.25 | 0.52 | 0.45 | 0.02 | 1.95 | 0.85 | 0.78 | 2.77 | |||||||||||||
1980 | 3.18 | 3.10 | 1.10 | ----- | z | 0.27 | 0.25 | 1.39 | 1.30 | 1.48 | 0.83 | ----- | z | 0.55 | ----- | z | ||||||||||
1981 | 0.75 | 0.98 | 1.75 | b | 0.91 | 0.60 | 0.24 | 0.93 | 0.86 | 0.94 | ----- | z | 1.00 | a | 0.45 | ----- | z | |||||||||
1982 | 1.60 | a | ----- | z | ----- | z | ----- | z | ----- | z | 0.35 | 0.40 | 1.00 | 0.50 | 0.79 | ----- | z | 2.50 | c | ----- | z | |||||
1983 | 0.83 | b | 2.10 | d | 1.40 | 0.92 | 0.17 | 0.16 | 2.02 | 0.42 | e | 1.63 | 0.58 | j | 0.97 | d | 1.15 | h | ----- | z | ||||||
1984 | 0.51 | 0.77 | a | 0.55 | a | 0.60 | 0.13 | 0.05 | 0.81 | 0.82 | 0.33 | 0.61 | 1.11 | a | 1.15 | a | 1.15 | d | ||||||||
1985 | 1.16 | 0.56 | a | 0.65 | 0.78 | b | 0.47 | 0.15 | 1.20 | 0.13 | 0.52 | 0.42 | 2.48 | 0.22 | 2.48 | c | ||||||||||
1986 | 0.39 | a | 2.01 | 1.00 | 1.20 | a | 1.14 | e | 0.12 | 0.80 | b | 0.98 | h | 0.86 | c | 1.23 | a | 1.10 | 0.45 | 2.01 | u | |||||
1987 | 0.92 | a | 0.92 | 0.76 | 0.10 | v | 0.20 | 0.55 | 0.67 | 1.50 | 0.17 | 1.50 | b | 1.10 | ----- | z | ----- | z | ||||||||
1988 | 1.27 | 1.38 | 0.10 | 0.65 | 0.35 | 0.65 | 0.25 | 2.20 | 0.18 | 0.19 | 0.55 | 0.76 | 2.20 | |||||||||||||
1989 | 0.80 | 1.35 | 0.67 | 0.00 | 0.15 | 0.02 | 1.15 | 1.07 | 0.01 | 0.54 | 0.00 | 0.45 | 1.35 | |||||||||||||
1990 | 0.71 | 1.63 | 0.63 | 0.13 | a | 0.17 | 0.20 | 0.49 | 0.89 | 0.67 | 0.68 | 0.76 | 0.73 | c | 1.63 | d | ||||||||||
1991 | 1.20 | 0.79 | 3.99 | 0.04 | 0.11 | 0.03 | 0.52 | 0.76 | 0.20 | 0.72 | 0.94 | 0.56 | 3.99 | |||||||||||||
1992 | 0.83 | 1.55 | 2.69 | 0.08 | 0.55 | a | 0.07 | 1.19 | 1.75 | 1.35 | 3.13 | a | 0.03 | 2.28 | 3.13 | b | ||||||||||
1993 | 1.37 | 1.80 | b | 2.07 | 0.60 | 0.15 | 0.30 | 0.00 | a | 1.07 | 0.25 | 0.84 | 0.65 | a | 0.92 | 2.07 | d | |||||||||
1994 | 0.83 | 0.98 | 0.52 | 0.67 | a | 0.74 | a | 0.10 | 0.45 | 1.45 | 0.27 | 0.99 | 0.48 | c | 0.59 | 1.45 | e | |||||||||
1995 | 2.12 | 3.50 | 3.07 | 1.36 | 0.38 | 0.39 | 1.28 | 0.60 | 1.05 | 0.11 | 0.31 | 0.29 | a | 3.50 | a | |||||||||||
1996 | 0.74 | 1.97 | 0.53 | a | 0.09 | a | 0.07 | 0.00 | 0.95 | 0.11 | 1.50 | 0.86 | 1.40 | 1.49 | a | 1.97 | c | |||||||||
1997 | 1.40 | 1.08 | 0.00 | 1.15 | b | 0.11 | a | 0.99 | 1.15 | 1.49 | 2.05 | 1.20 | b | 0.39 | 0.81 | 2.05 | e | |||||||||
1998 | 1.04 | 1.73 | 1.12 | 0.52 | c | 0.85 | 0.01 | 1.70 | 0.31 | 1.08 | 1.51 | 0.44 | 0.25 | b | 1.73 | e | ||||||||||
1999 | 0.79 | e | 0.75 | 0.46 | 0.56 | 0.60 | 0.77 | 0.85 | 1.30 | 0.56 | 0.01 | 0.00 | 0.23 | 1.30 | e | |||||||||||
2000 | 0.60 | a | 0.51 | 1.09 | 0.39 | 0.04 | 0.39 | 0.30 | 0.80 | 0.21 | 1.22 | 0.52 | 0.39 | e | 1.22 | f | ||||||||||
2001 | 0.96 | 1.10 | a | 2.38 | a | 0.56 | b | 0.07 | 0.12 | 0.38 | 0.81 | 0.12 | 0.38 | 0.80 | a | 1.04 | g | 2.38 | l | |||||||
2002 | 0.04 | 0.10 | 0.76 | 0.07 | 0.00 | 0.00 | 1.00 | 0.28 | 1.03 | 0.32 | 1.40 | 1.05 | b | 1.40 | b | |||||||||||
2003 | 0.66 | 1.28 | 1.17 | 0.95 | 0.41 | 0.00 | 0.53 | 0.86 | 0.16 | 0.66 | 0.69 | 0.47 | 1.28 | |||||||||||||
2004 | 0.97 | 0.65 | 0.21 | 0.60 | b | 0.00 | d | 0.15 | 0.54 | 1.16 | 3.16 | 2.01 | 0.70 | b | 2.00 | 3.16 | h | |||||||||
2005 | 2.46 | 1.02 | 0.54 | 1.44 | 0.46 | 24.00 | a | 0.69 | 0.66 | 0.45 | 0.67 | 0.22 | 0.01 | 24.00 | a | |||||||||||
2006 | 0.37 | 0.38 | 1.09 | 1.10 | 0.00 | 0.85 | 2.03 | a | 5.02 | 1.97 | 1.48 | 0.47 | 0.39 | i | 5.02 | j | ||||||||||
2007 | 0.60 | a | 0.45 | d | 0.60 | i | 0.51 | k | 0.94 | b | 0.00 | c | 0.54 | a | 0.86 | e | 0.67 | c | 0.70 | 0.73 | a | 2.66 | a | ----- | z | |
2008 | 2.11 | a | 1.64 | c | 0.00 | e | 0.00 | o | 0.00 | m | 0.40 | 0.85 | 1.12 | b | 0.03 | 0.32 | 0.68 | h | 1.00 | b | ----- | z | ||||
2009 | 1.01 | 0.32 | b | 0.30 | a | 0.39 | o | 0.11 | p | 0.60 | b | 0.35 | 0.60 | 0.38 | 0.16 | b | 0.20 | 4.00 | w | ----- | z | |||||
2010 | 2.05 | b | 4.00 | c | 1.60 | 0.05 | a | 0.17 | 0.50 | a | 0.39 | 0.82 | 0.20 | 1.66 | a | 2.00 | e | 1.62 | c | 4.00 | p | |||||
2011 | 0.90 | b | 0.72 | b | 0.75 | a | 1.15 | g | 0.52 | y | 0.00 | 0.28 | 0.41 | 1.64 | 0.38 | c | 0.68 | a | 0.83 | d | ----- | z | ||||
2012 | 0.56 | a | 1.36 | a | 1.29 | a | 1.30 | 0.01 | 0.00 | 0.90 | 0.80 | 0.49 | 0.67 | 0.03 | 1.30 | b | 1.36 | e | ||||||||
2013 | 1.53 | 2.14 | b | 0.82 | 0.28 | 0.00 | 0.02 | 1.26 | 1.36 | 0.72 | a | 0.12 | a | 1.00 | 0.60 | 2.14 | d | |||||||||
2014 | 0.26 | 0.65 | b | 0.96 | a | 0.43 | 0.22 | b | 0.00 | 0.60 | 1.00 | 1.02 | 0.00 | 0.09 | 0.58 | 1.02 | e | |||||||||
2015 | 1.05 | 1.39 | 1.02 | 0.38 | 0.53 | 1.85 | 0.59 | 1.52 | 0.53 | 0.81 | c | 0.40 | b | 0.95 | h | 1.85 | m | |||||||||
2016 | 1.70 | 1.19 | 0.24 | d | 0.46 | e | 0.70 | b | 0.21 | 0.31 | 1.02 | c | 1.52 | 0.67 | 1.20 | 0.90 | a | 1.70 | o | |||||||
2017 | 1.44 | 1.42 | 0.91 | 0.26 | c | 0.61 | 0.05 | 0.84 | 0.60 | 0.57 | 0.00 | 0.19 | 0.00 | 1.44 | c | |||||||||||
2018 | 0.71 | 1.61 | f | 0.59 | 0.22 | 0.67 | c | 0.13 | 0.54 | 0.97 | 0.08 | 1.01 | 1.04 | 0.71 | 1.61 | i | ||||||||||
2019 | 1.53 | a | 3.32 | m | 1.27 | a | 0.58 | 1.15 | 0.16 | 0.40 | 0.36 | 0.00 | 0.00 | 2.11 | 1.00 | e | 3.32 | t | ||||||||
2020 | 0.44 | a | 0.43 | e | 1.17 | d | 0.13 | i | 0.02 | h | 0.00 | 0.35 | 0.21 | 0.00 | 0.07 | 0.77 | b | 0.62 | ----- | z | ||||||
2021 | 1.08 | 0.50 | s | 1.70 | y | ----- | z | 0.00 | 0.21 | 0.82 | 0.63 | 0.57 | 1.20 | ----- | z | 3.30 | p | ----- | z | |||||||
2022 | 0.09 | g | 0.29 | l | 1.01 | e | 0.02 | g | 0.00 | 0.57 | 0.69 | 0.87 | 0.62 | 0.88 | 0.20 | 1.90 | e | ----- | z | |||||||
2023 | 2.15 | b | 1.18 | 2.90 | d | 0.29 | 0.19 | 0.01 | 0.33 | 1.30 | 1.23 | 0.31 | 0.75 | n | 0.39 | e | 2.90 | y | ||||||||
2024 | 0.92 | k | 1.30 | 0.54 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.11 | 1.17 | 1.04 | 0.63 | 0.44 | 0.58 | 0.72 | 0.93 | 0.72 | 0.71 | 0.71 | 1.05 | 2.84 | |||||||||||||
S.D. | 0.69 | 0.83 | 0.81 | 0.42 | 0.40 | 2.45 | 0.43 | 0.71 | 0.61 | 0.57 | 0.50 | 0.83 | 4.14 | |||||||||||||
SKEW | 1.31 | 1.50 | 1.27 | 0.59 | 1.26 | 9.25 | 0.90 | 3.19 | 1.17 | 1.27 | 0.90 | 2.09 | 4.83 | |||||||||||||
MAX | 3.60 | 4.00 | 3.99 | 1.70 | 1.89 | 24.00 | 2.03 | 5.02 | 3.16 | 3.13 | 2.48 | 5.06 | 24.00 | |||||||||||||
MIN | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.04 | 0.00 | 0.00 | 0.00 | 0.00 | 1.13 | |||||||||||||
YRS | 75 | 70 | 75 | 72 | 88 | 96 | 96 | 94 | 95 | 94 | 82 | 68 | 29 |