YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.82 | g | 3.86 | 2.80 | ----- | z | ----- | z | ----- | z | 6.66 | j | ||
1925 | ----- | z | ----- | z | 1.97 | q | ----- | z | 2.72 | 6.20 | 1.30 | 3.48 | 3.95 | ----- | z | ----- | z | ----- | z | 17.65 | g | |||||
1926 | ----- | z | ----- | z | ----- | z | ----- | z | 1.91 | r | 2.12 | 4.53 | 2.37 | 3.85 | 2.34 | ----- | z | ----- | z | 15.21 | g | |||||
1927 | ----- | z | ----- | z | ----- | z | 1.05 | 3.03 | 3.01 | y | 1.22 | y | 1.45 | 0.29 | 1.66 | 0.62 | 0.24 | 8.34 | e | |||||||
1928 | ----- | z | 0.00 | y | 0.00 | y | 1.21 | a | 0.28 | 4.46 | 4.12 | 6.00 | 2.46 | q | 1.36 | 0.33 | 0.00 | y | 17.76 | e | ||||||
1929 | 0.44 | 0.08 | 0.40 | 0.78 | 0.55 | 0.94 | 1.07 | 1.32 | 2.22 | 2.39 | 0.23 | 0.23 | 10.65 | |||||||||||||
1930 | 0.20 | 1.00 | 0.12 | 2.04 | 5.02 | 1.92 | 1.59 | 1.19 | 1.54 | 1.12 | 2.34 | 0.15 | 18.23 | |||||||||||||
1931 | 0.02 | 0.10 | 0.41 | 0.36 | 1.62 | 3.20 | 4.99 | 2.04 | 1.84 | 1.93 | 1.59 | 0.21 | 18.31 | |||||||||||||
1932 | 0.13 | 0.14 | 0.11 | 1.88 | 3.66 | 2.09 | 2.31 | 2.75 | 1.75 | 0.85 | 0.54 | 0.00 | 16.21 | |||||||||||||
1933 | 0.58 | 0.39 | 1.26 | 1.37 | 2.85 | 2.82 | 1.02 | 3.52 | 1.61 | 0.15 | 1.07 | 0.97 | 17.61 | |||||||||||||
1934 | ----- | z | 0.00 | y | 0.08 | 0.27 | 1.46 | 6.00 | 1.21 | 2.45 | 1.02 | 3.09 | 0.37 | 0.38 | 16.33 | b | ||||||||||
1935 | 1.28 | 0.00 | 0.62 | 1.83 | 1.26 | 4.30 | 4.06 | 5.83 | 0.72 | 1.62 | 0.70 | 0.53 | 22.75 | |||||||||||||
1936 | 0.98 | 0.70 | 0.95 | 0.57 | 1.08 | 1.69 | 1.40 | 0.94 | 1.06 | 0.12 | 0.29 | 0.47 | 10.25 | |||||||||||||
1937 | 0.57 | 0.36 | 0.15 | 3.58 | 3.68 | 1.26 | 1.99 | 4.16 | 1.17 | 0.04 | 0.54 | 0.53 | 18.03 | |||||||||||||
1938 | 0.35 | 0.60 | 0.30 | 2.82 | 6.58 | 1.44 | 3.76 | 1.86 | 0.35 | 0.60 | 1.16 | ----- | z | 19.82 | a | |||||||||||
1939 | 0.32 | 0.73 | a | 0.27 | 0.91 | 0.28 | 5.42 | 2.83 | 2.36 | 0.93 | 2.00 | 0.51 | 0.67 | 17.23 | ||||||||||||
1940 | 0.11 | 0.48 | 1.31 | 1.77 | 1.89 | 1.56 | 5.06 | 2.91 | 0.23 | 2.51 | 1.34 | 0.20 | 19.37 | |||||||||||||
1941 | 0.67 | 0.22 | 0.75 | 2.12 | 3.76 | 4.24 | 2.62 | 8.13 | 5.62 | 1.26 | a | 0.05 | 0.15 | 29.59 | ||||||||||||
1942 | 0.12 | 0.13 | 1.14 | y | 3.90 | 0.70 | 3.20 | 2.30 | 5.44 | 1.28 | 0.37 | 0.20 | 0.48 | 18.12 | a | |||||||||||
1943 | ----- | z | 1.30 | 1.63 | 1.73 | w | 3.70 | 6.02 | 3.09 | t | 4.12 | 0.28 | x | 1.00 | 0.36 | 0.10 | 18.23 | d | ||||||||
1944 | ----- | z | 0.01 | 0.54 | u | 0.73 | 3.49 | 6.99 | q | 4.95 | 6.04 | r | 1.20 | 0.35 | 1.32 | t | 0.05 | 10.78 | e | |||||||
1945 | 0.31 | 0.34 | 1.76 | 2.74 | 1.26 | 2.38 | 1.68 | 5.37 | 3.83 | 0.89 | 0.38 | 0.49 | 21.43 | |||||||||||||
1946 | 0.45 | 1.12 | 1.30 | 1.23 | 1.75 | 3.53 | 2.06 | 2.55 | 3.26 | 2.64 | 1.01 | 0.86 | 21.76 | |||||||||||||
1947 | 0.24 | 0.53 | 0.63 | 2.88 | 2.10 | 3.65 | 1.94 | 3.48 | 3.88 | 1.22 | 1.31 | 0.48 | 22.34 | |||||||||||||
1948 | 0.18 | 0.35 | 0.30 | 0.13 | y | ----- | z | 2.46 | w | 2.51 | 2.30 | 1.08 | 0.35 | 0.89 | 0.21 | h | 7.96 | d | ||||||||
1949 | 2.80 | 0.95 | 0.45 | 0.01 | 9.10 | 5.13 | a | 8.84 | 1.54 | 1.22 | 2.30 | 0.97 | 1.91 | 35.22 | ||||||||||||
1950 | 1.20 | b | 0.10 | 1.43 | 1.50 | 5.02 | 6.00 | 2.11 | 1.03 | 3.66 | 1.53 | 0.71 | 0.49 | 24.78 | ||||||||||||
1951 | 0.40 | 0.72 | 1.14 | e | 1.11 | 1.81 | 2.15 | 1.28 | 5.98 | 1.81 | 1.34 | 1.75 | b | 1.23 | c | 20.72 | ||||||||||
1952 | 0.28 | b | 0.10 | a | 0.50 | c | 0.23 | 0.85 | 2.07 | 7.81 | 2.41 | a | 1.24 | 0.05 | 1.61 | 0.33 | 17.48 | |||||||||
1953 | 0.59 | 0.17 | b | 1.92 | 2.17 | 4.05 | 5.27 | a | 2.51 | 4.72 | 2.12 | 0.91 | 0.48 | a | 1.40 | 26.31 | ||||||||||
1954 | 0.93 | 0.62 | 0.43 | 1.80 | 1.71 | 2.55 | 3.38 | 1.80 | 2.15 | 0.81 | 0.50 | a | 0.28 | 16.96 | ||||||||||||
1955 | 0.40 | 0.45 | d | 0.49 | 2.34 | 2.25 | 4.21 | 6.06 | 1.03 | 1.25 | 0.17 | 1.46 | 1.12 | 21.23 | ||||||||||||
1956 | 0.76 | 0.32 | 1.51 | 1.60 | 3.90 | 2.47 | 3.85 | 2.05 | 0.75 | 1.75 | 0.40 | a | 0.76 | 20.12 | ||||||||||||
1957 | 0.64 | a | 0.73 | 0.31 | 3.90 | 1.91 | 6.28 | 3.18 | 2.58 | 4.57 | a | 1.39 | 1.16 | 0.11 | 26.76 | |||||||||||
1958 | 0.41 | 0.04 | 0.24 | 0.74 | 0.77 | 5.64 | 3.41 | 2.96 | 2.20 | 1.07 | 3.32 | 0.48 | 21.28 | |||||||||||||
1959 | 0.34 | 0.43 | 0.05 | 0.39 | 3.64 | a | 4.66 | 2.39 | 4.42 | 1.42 | 1.64 | 0.71 | 0.64 | 20.73 | ||||||||||||
1960 | 0.58 | 0.07 | 0.25 | 2.75 | a | 2.30 | 4.07 | 2.81 | 5.81 | 2.87 | 1.45 | 0.48 | a | 0.25 | 23.69 | |||||||||||
1961 | 0.25 | ----- | z | 0.34 | 1.21 | 2.51 | 1.92 | 1.95 | 3.01 | 5.22 | 0.85 | 0.30 | 0.91 | 18.47 | a | |||||||||||
1962 | 1.37 | 1.07 | 0.44 | 0.88 | 6.44 | 5.43 | 4.46 | 1.57 | 3.28 | 0.55 | 0.60 | 0.39 | 26.48 | |||||||||||||
1963 | 0.13 | 0.78 | 0.90 | 2.57 | 6.42 | 2.34 | 2.49 | 2.93 | a | 2.50 | 0.27 | 0.39 | 0.67 | 22.39 | ||||||||||||
1964 | 0.70 | 0.19 | 0.69 | 4.38 | 1.65 | 7.24 | 3.27 | 3.13 | 2.90 | 0.64 | 1.22 | 1.43 | 27.44 | |||||||||||||
1965 | 0.69 | 0.25 | 2.29 | 2.07 | 3.23 | 4.52 | 2.98 | 3.19 | 3.73 | 2.08 | 1.85 | 1.93 | 28.81 | |||||||||||||
1966 | 0.85 | 0.65 | 4.50 | a | 2.20 | 1.33 | 2.88 | 2.87 | 5.91 | 0.45 | 1.51 | 0.28 | 1.02 | 24.45 | ||||||||||||
1967 | 2.51 | 0.77 | 1.16 | 2.31 | 1.58 | 5.23 | 1.99 | 2.05 | 0.84 | 1.68 | 0.42 | 1.28 | 21.82 | |||||||||||||
1968 | 0.72 | 0.48 | 1.84 | 2.14 | 2.26 | 5.15 | 1.81 | 3.68 | 2.87 | 1.78 | 0.47 | 2.05 | 25.25 | |||||||||||||
1969 | 2.83 | 1.06 | 0.52 | 1.23 | 3.08 | 2.38 | 3.52 | 3.16 | 3.12 | 2.91 | 0.89 | 1.48 | 26.18 | |||||||||||||
1970 | 0.53 | 0.49 | 1.62 | 3.67 | 3.99 | 4.64 | 1.65 | 2.01 | 2.68 | 3.15 | 1.14 | 1.39 | 26.96 | |||||||||||||
1971 | 1.53 | 0.51 | 1.09 | 1.25 | 2.06 | 2.86 | 2.41 | 3.14 | 3.29 | 7.06 | 1.41 | 0.60 | 27.21 | |||||||||||||
1972 | 0.98 | 1.00 | 1.18 | 1.56 | 3.14 | 0.74 | 6.08 | 2.91 | 1.49 | 3.09 | 0.44 | 1.20 | 23.81 | |||||||||||||
1973 | 0.04 | 0.39 | 0.80 | 0.35 | 2.31 | 4.55 | 3.28 | 2.71 | 10.77 | 1.69 | 1.23 | 1.02 | 29.14 | |||||||||||||
1974 | 0.79 | 0.45 | 1.16 | 3.67 | 3.68 | 1.87 | 2.76 | 4.49 | 0.20 | 2.03 | 1.36 | 0.96 | 23.42 | |||||||||||||
1975 | 1.72 | 0.71 | 1.01 | 2.80 | 1.51 | 10.99 | 1.62 | 2.60 | 1.83 | 2.05 | 0.40 | 0.36 | 27.60 | |||||||||||||
1976 | 1.50 | 0.51 | 0.81 | 0.72 | 0.29 | 4.20 | 1.16 | 1.79 | 0.66 | 0.16 | 0.15 | 0.45 | 12.40 | |||||||||||||
1977 | 0.71 | 0.94 | 1.12 | 0.61 | 2.91 | 2.50 | 2.38 | 4.18 | 5.01 | 1.88 | 2.93 | 1.15 | 26.32 | |||||||||||||
1978 | 0.55 | 0.52 | 0.22 | 1.27 | 1.75 | 2.44 | 3.38 | 4.97 | 1.96 | 0.33 | 0.97 | 0.80 | 19.16 | |||||||||||||
1979 | 0.85 | 1.36 | 2.01 | 2.12 | 2.07 | 4.88 | 3.19 | 1.40 | 0.36 | 2.30 | 0.74 | 0.24 | 21.52 | |||||||||||||
1980 | 1.09 | 1.00 | 0.82 | 0.03 | 0.22 | 2.51 | 1.36 | 4.43 | 1.62 | 1.61 | 0.56 | 0.51 | 15.76 | |||||||||||||
1981 | 0.26 | 0.42 | 1.18 | 1.18 | 0.76 | 6.01 | 5.59 | 3.53 | 2.21 | 4.32 | 0.60 | 0.76 | 26.82 | |||||||||||||
1982 | 1.00 | 0.40 | 0.89 | 0.88 | 2.91 | 1.26 | 2.79 | 2.35 | 1.62 | 4.04 | 0.69 | 0.28 | 19.11 | |||||||||||||
1983 | 0.67 | a | 0.35 | 1.64 | 0.39 | 2.22 | 6.28 | 3.34 | 3.12 | 3.10 | 1.89 | 1.00 | 0.53 | 24.53 | ||||||||||||
1984 | 0.60 | 0.92 | 0.62 | 0.76 | 0.83 | 7.04 | 0.38 | 2.69 | 1.24 | 8.19 | 0.26 | 0.55 | 24.08 | |||||||||||||
1985 | 0.40 | 0.29 | 0.75 | 1.41 | 7.28 | 5.52 | 4.32 | 4.87 | 1.00 | 1.51 | 1.26 | 0.44 | 29.05 | |||||||||||||
1986 | 0.61 | 0.49 | 0.14 | 4.91 | 2.67 | 4.04 | 3.19 | 1.66 | 3.51 | 0.15 | 1.93 | 0.32 | 23.62 | |||||||||||||
1987 | 0.36 | 0.69 | 1.14 | 0.29 | 3.86 | 1.44 | 6.76 | 1.66 | 1.39 | 0.67 | 0.56 | 0.48 | 19.30 | |||||||||||||
1988 | 1.02 | 0.22 | 1.22 | 0.09 | 2.24 | 2.25 | 1.48 | 5.49 | 3.62 | 0.79 | 0.94 | 0.89 | 20.25 | |||||||||||||
1989 | 2.00 | 0.24 | 1.04 | 1.32 | 3.24 | 3.01 | 0.42 | 4.73 | 2.23 | 0.54 | 1.29 | 0.26 | 20.32 | |||||||||||||
1990 | 0.44 | 0.41 | 1.77 | 1.67 | 1.45 | 4.15 | 0.92 | 1.47 | 1.58 | 1.08 | 0.06 | 1.04 | 16.04 | |||||||||||||
1991 | 0.79 | 1.07 | 0.84 | 3.81 | 2.53 | 7.09 | 2.55 | 2.02 | 2.61 | 0.90 | 0.75 | 0.84 | 25.80 | |||||||||||||
1992 | 0.70 | 0.74 | 1.40 | 1.24 | 1.84 | 2.84 | 5.25 | 7.68 | 2.01 | 0.24 | 1.30 | 1.05 | 26.29 | |||||||||||||
1993 | 0.78 | 0.21 | 0.46 | 1.79 | 1.76 | 3.82 | 9.88 | 3.33 | 0.69 | 0.42 | 0.85 | 0.54 | 24.53 | |||||||||||||
1994 | 0.71 | 0.74 | 1.09 | 2.53 | 1.90 | 7.42 | 3.94 | 2.97 | 3.37 | 3.19 | 1.02 | 0.33 | 29.21 | |||||||||||||
1995 | 1.06 | 1.11 | 1.77 | 0.75 | 1.99 | 1.36 | 6.16 | 2.44 | 2.76 | 1.81 | 1.06 | 1.01 | 23.28 | |||||||||||||
1996 | 1.27 | 0.72 | 1.02 | 0.63 | 3.07 | 2.28 | 4.08 | 0.58 | 2.73 | 2.53 | 1.51 | 1.72 | 22.14 | |||||||||||||
1997 | 1.49 | 0.67 | 1.70 | 2.83 | 2.78 | 5.59 | 2.80 | 2.21 | 2.64 | 3.55 | 1.64 | 0.63 | 28.53 | |||||||||||||
1998 | 1.46 | 1.04 | 0.69 | 1.14 | 5.75 | 9.30 | 2.08 | 0.85 | 2.52 | 4.28 | 1.48 | 0.00 | c | 30.59 | ||||||||||||
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
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 | 3.86 | ----- | z | ----- | z | 3.86 | k | |
2010 | ----- | z | 0.17 | v | 0.67 | 2.08 | 3.06 | a | 5.02 | 6.55 | 3.67 | 5.40 | 3.25 | 0.64 | d | ----- | z | 30.34 | c | |||||||
2011 | ----- | z | ----- | z | ----- | z | 2.98 | x | 4.22 | r | 3.34 | u | 1.91 | s | 4.13 | w | 1.24 | y | 0.44 | y | ----- | z | ----- | z | 0.00 | l |
2012 | ----- | z | 0.47 | y | 1.28 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.54 | ----- | z | ----- | z | ----- | z | 0.54 | k | |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | 6.01 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 6.01 | k | |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2017 | ----- | z | ----- | z | ----- | z | 1.36 | w | 1.55 | v | 2.44 | r | 1.16 | v | 2.37 | t | 2.68 | u | 1.48 | f | ----- | z | ----- | z | 0.00 | l |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | 2.54 | 4.59 | f | 2.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.93 | j | ||
2019 | ----- | z | ----- | z | ----- | z | ----- | z | 2.20 | r | ----- | z | 4.14 | w | 3.85 | s | 3.89 | t | 3.25 | v | ----- | z | ----- | z | 0.00 | l |
2020 | 0.42 | y | ----- | z | ----- | z | 0.87 | a | 0.73 | 3.48 | 4.85 | 2.03 | d | 0.90 | y | ----- | z | ----- | z | ----- | z | 11.96 | g | |||
2021 | ----- | z | ----- | z | ----- | z | 0.91 | 0.58 | 1.80 | 0.50 | ----- | z | ----- | z | 2.85 | g | 1.01 | 1.54 | 6.34 | f | ||||||
2022 | 0.52 | 0.44 | 0.24 | 4.53 | 4.19 | 1.22 | 0.00 | 1.28 | q | 1.71 | 0.26 | 3.04 | 3.23 | 19.38 | a | |||||||||||
2023 | 0.09 | 0.22 | 3.04 | a | ----- | z | ----- | z | ----- | z | 0.44 | g | 1.63 | ----- | z | ----- | z | 0.52 | ----- | z | 5.50 | g | ||||
2024 | ----- | z | 1.20 | u | 0.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.45 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.77 | 0.54 | 0.96 | 1.70 | 2.67 | 3.87 | 3.14 | 3.12 | 2.29 | 1.70 | 0.94 | 0.74 | 22.68 | |||||||||||||
S.D. | 0.60 | 0.34 | 0.74 | 1.16 | 1.74 | 2.04 | 1.92 | 1.59 | 1.63 | 1.46 | 0.66 | 0.57 | 4.89 | |||||||||||||
SKEW | 1.61 | 0.42 | 1.89 | 0.81 | 1.22 | 0.82 | 1.17 | 0.90 | 2.08 | 1.93 | 1.47 | 1.58 | -0.26 | |||||||||||||
MAX | 2.83 | 1.36 | 4.50 | 4.91 | 9.10 | 10.99 | 9.88 | 8.13 | 10.77 | 8.19 | 3.32 | 3.23 | 35.22 | |||||||||||||
MIN | 0.02 | 0.00 | 0.05 | 0.01 | 0.22 | 0.74 | 0.00 | 0.58 | 0.20 | 0.04 | 0.05 | 0.00 | 10.25 | |||||||||||||
YRS | 69 | 70 | 72 | 74 | 78 | 75 | 77 | 77 | 76 | 76 | 75 | 71 | 63 |