YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1922 | ----- | z | ----- | z | ----- | z | ----- | z | 0.57 | 1.44 | 0.00 | 1.08 | 0.49 | 0.82 | 1.37 | 3.73 | 9.50 | d | ||||||||
1923 | 2.71 | 1.06 | 0.43 | 1.98 | 1.94 | 4.79 | 1.65 | 0.34 | 0.32 | 3.10 | 0.66 | 1.32 | 20.30 | |||||||||||||
1924 | 1.22 | 1.67 | 0.95 | 0.37 | 0.04 | 1.70 | 0.08 | 0.32 | 0.82 | 2.23 | 2.35 | 1.58 | 13.33 | |||||||||||||
1925 | ----- | z | ----- | z | ----- | z | ----- | z | 1.94 | 1.53 | 0.14 | 1.20 | 1.38 | 0.20 | 1.70 | 2.66 | 10.75 | d | ||||||||
1926 | 1.69 | 2.71 | 1.10 | 1.62 | 2.26 | 0.51 | 0.58 | 1.64 | 0.32 | 0.54 | 4.09 | 2.32 | 19.38 | |||||||||||||
1927 | 2.74 | 2.14 | 1.61 | 0.91 | 1.53 | 2.79 | 0.04 | 0.14 | 2.31 | 1.90 | 3.85 | 1.29 | 21.25 | |||||||||||||
1928 | 1.44 | 0.50 | 2.25 | 2.11 | 0.82 | 1.54 | 0.70 | 0.06 | 0.79 | 1.19 | 1.31 | 1.08 | 13.79 | |||||||||||||
1929 | 3.55 | 0.53 | 1.27 | 1.74 | 0.59 | 2.51 | 0.00 | 0.14 | 0.24 | 0.73 | 0.17 | 4.30 | 15.77 | |||||||||||||
1930 | 1.50 | 1.45 | 0.57 | 0.58 | 1.60 | 1.53 | 0.05 | 0.25 | 0.69 | 1.01 | 1.37 | 0.91 | 11.51 | |||||||||||||
1931 | 1.75 | 0.85 | 2.61 | 0.63 | 0.44 | 2.50 | 0.00 | 0.00 | 0.80 | 1.89 | 2.30 | 2.89 | 16.66 | |||||||||||||
1932 | 2.15 | 0.87 | 2.69 | 1.22 | 1.52 | 0.37 | 0.26 | 0.32 | 0.02 | 1.06 | 1.87 | 1.20 | 13.55 | |||||||||||||
1933 | 1.39 | 1.79 | 2.02 | 0.84 | 2.45 | 2.40 | 0.00 | 0.54 | 1.56 | 1.47 | 1.11 | 2.46 | 18.03 | |||||||||||||
1934 | 1.45 | 0.93 | 1.83 | 1.46 | 1.01 | 3.79 | 0.17 | 0.13 | 0.36 | 1.98 | 2.88 | 1.24 | 17.23 | |||||||||||||
1935 | 1.31 | 0.86 | 0.93 | 2.34 | 0.40 | 1.67 | 0.57 | 0.22 | 0.01 | 1.08 | 0.75 | 1.52 | 11.66 | |||||||||||||
1936 | 2.97 | 1.71 | 0.72 | 1.54 | 1.47 | 2.91 | 0.49 | 0.15 | 1.95 | 0.20 | 0.35 | 1.61 | 16.07 | |||||||||||||
1937 | 2.02 | 1.59 | 1.95 | 3.28 | 0.61 | 4.02 | 0.30 | 0.07 | 0.83 | 2.00 | 3.20 | 2.56 | 22.43 | |||||||||||||
1938 | 1.79 | 1.76 | 2.05 | 1.50 | 1.14 | 4.00 | 0.27 | 0.54 | 1.09 | 2.21 | 1.66 | 1.26 | 19.27 | |||||||||||||
1939 | 1.15 | 2.21 | 1.62 | 0.42 | 1.50 | 1.29 | 0.12 | 0.00 | 0.58 | 1.52 | 0.17 | 3.24 | 13.82 | |||||||||||||
1940 | 2.39 | 3.98 | 2.11 | 1.01 | 0.29 | 0.21 | 0.72 | 0.00 | 3.11 | 2.36 | 2.85 | 2.42 | 21.45 | |||||||||||||
1941 | 1.56 | 1.37 | 0.51 | 1.42 | 5.03 | 3.32 | 1.34 | 2.37 | 1.78 | 1.85 | 2.04 | 3.50 | 26.09 | |||||||||||||
1942 | 1.60 | 3.06 | 0.63 | 1.95 | 4.32 | 2.30 | 0.97 | 0.08 | 0.00 | 0.75 | 3.02 | 4.13 | 22.81 | |||||||||||||
1943 | 2.45 | 0.92 | 1.29 | 2.82 | 0.75 | 2.65 | 0.28 | 0.90 | 0.00 | 1.96 | 0.44 | 1.22 | 15.68 | |||||||||||||
1944 | 0.64 | 1.73 | 0.71 | 2.21 | a | 0.33 | 1.12 | 0.23 | 0.03 | 1.12 | 0.91 | 1.59 | 1.07 | 11.69 | ||||||||||||
1945 | 1.73 | 2.24 | 1.81 | 1.42 | 3.67 | 0.57 | 0.07 | 0.83 | 1.49 | 0.64 | 3.35 | 3.30 | 21.12 | |||||||||||||
1946 | 2.34 | 1.87 | 1.40 | 0.91 | 2.01 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 8.53 | g | |||||
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.02 | 1.41 | 1.03 | b | 1.51 | a | 1.73 | l | 1.57 | b | 6.54 | g | ||
1949 | ----- | z | 4.65 | b | 1.79 | a | 1.07 | S | 2.97 | b | 0.12 | k | 0.15 | k | 0.14 | 0.87 | 0.55 | d | 2.54 | a | ----- | z | 14.58 | d | ||
1950 | ----- | z | 1.80 | 2.39 | 1.39 | a | 0.65 | 2.79 | a | 0.10 | 0.20 | 0.18 | 4.13 | a | 1.24 | 2.72 | 17.59 | a | ||||||||
1951 | 2.54 | 1.02 | 1.82 | 0.65 | 1.35 | 0.92 | 0.19 | 0.16 | 0.22 | 1.43 | 1.63 | 2.02 | 13.95 | |||||||||||||
1952 | 0.98 | 1.58 | 1.35 | 1.03 | 2.96 | 2.81 | 0.02 | 0.44 | 0.64 | 0.00 | 0.54 | 2.39 | 14.74 | |||||||||||||
1953 | 3.27 | 2.20 | 3.07 | 1.80 | 2.18 | a | 1.75 | 0.00 | 1.66 | 0.09 | 0.82 | 2.02 | 2.29 | 21.15 | ||||||||||||
1954 | 1.54 | 0.75 | 1.25 | 1.21 | 1.12 | 4.17 | 0.31 | 1.29 | 1.11 | 0.46 | 1.01 | f | ----- | z | 13.21 | b | ||||||||||
1955 | ----- | z | ----- | z | ----- | z | 1.71 | 1.28 | 0.52 | 1.30 | 0.00 | 0.89 | 1.44 | 2.39 | 4.25 | 13.78 | c | |||||||||
1956 | 3.33 | 2.11 | 0.83 | 0.73 | 4.34 | 1.42 | 1.05 | 1.58 | 0.19 | 2.35 | 0.54 | 1.07 | 19.54 | |||||||||||||
1957 | 2.49 | 2.00 | 3.13 | 0.68 | 2.15 | 0.51 | b | 0.06 | 0.27 | 1.00 | 3.31 | 1.42 | 3.17 | 20.19 | ||||||||||||
1958 | 2.39 | 1.85 | 1.18 | 2.50 | 1.52 | 1.86 | 1.25 | ----- | z | ----- | z | 0.22 | 2.54 | 2.67 | 17.98 | b | ||||||||||
1959 | 2.02 | 1.17 | ----- | z | ----- | z | ----- | z | 0.09 | p | 0.35 | 0.32 | 3.12 | 1.02 | 0.58 | 0.99 | 9.57 | d | ||||||||
1960 | 1.16 | 1.64 | 2.21 | 1.22 | 3.76 | 0.34 | 0.21 | 1.00 | 0.41 | 1.26 | 2.93 | 1.31 | 17.45 | |||||||||||||
1961 | 0.71 | 2.41 | 1.84 | 0.82 | 1.85 | 0.34 | 0.05 | 0.94 | 0.40 | 0.92 | 2.22 | 2.02 | 14.52 | |||||||||||||
1962 | 1.45 | 1.62 | 2.64 | 1.59 | 3.70 | 0.09 | 0.00 | 0.76 | 1.19 | 2.48 | 2.58 | 2.10 | 20.20 | |||||||||||||
1963 | 1.68 | 1.52 | 0.65 | b | 3.09 | 1.43 | 0.79 | 0.37 | 0.40 | 1.49 | 0.81 | 3.28 | 1.91 | 17.42 | ||||||||||||
1964 | 1.92 | 0.51 | 0.91 | 0.96 | ----- | z | 2.02 | 1.84 | 0.26 | 0.59 | 1.49 | 3.17 | 5.26 | 18.93 | a | |||||||||||
1965 | 4.35 | 0.92 | 0.80 | 1.41 | 1.38 | 1.80 | 1.30 | 1.63 | 0.38 | 0.37 | 1.91 | 0.61 | 16.86 | |||||||||||||
1966 | 1.87 | 0.93 | 1.47 | 0.61 | 0.41 | 1.45 | 0.54 | 0.34 | 1.41 | 0.98 | 3.00 | 2.17 | 15.18 | |||||||||||||
1967 | 2.17 | 0.46 | 1.34 | 1.67 | 1.28 | 1.22 | 0.06 | 0.00 | 0.52 | 1.44 | 1.40 | 1.14 | 12.70 | |||||||||||||
1968 | 1.70 | 1.19 | 0.55 | 0.18 | 1.11 | 1.62 | 0.42 | 2.00 | 0.91 | 1.93 | 2.78 | 2.45 | 16.84 | |||||||||||||
1969 | 2.73 | 0.85 | 0.42 | 1.94 | 1.41 | 2.97 | b | 0.25 | 0.00 | 1.14 | 1.52 | 0.75 | 3.40 | 17.38 | ||||||||||||
1970 | 4.89 | a | 0.93 | 1.64 | 0.52 | 1.11 | 2.81 | 1.47 | 0.22 | 1.62 | 2.05 | 2.16 | 1.61 | 21.03 | ||||||||||||
1971 | 2.47 | 0.74 | 1.67 | 1.53 | a | 1.24 | 0.77 | 0.48 | 0.19 | 1.83 | 1.19 | b | 2.47 | a | 2.93 | 17.51 | ||||||||||
1972 | 1.69 | 0.65 | 1.88 | 1.24 | 2.28 | 1.47 | 0.04 | 1.19 | 1.02 | 1.01 | 0.89 | 2.31 | 15.67 | |||||||||||||
1973 | 1.86 | 1.14 | 0.78 | 0.38 | 1.35 | 0.10 | 0.37 | 0.19 | 1.29 | 1.68 | 5.04 | 4.04 | 18.22 | |||||||||||||
1974 | 2.60 | 1.41 | 0.69 | 1.67 | 1.29 | 0.41 | 1.07 | 0.00 | 0.00 | 0.19 | 0.74 | 2.24 | 12.31 | |||||||||||||
1975 | 2.31 | 1.48 | 1.22 | 1.62 | 0.35 | 1.70 | 2.79 | 0.72 | 0.00 | 2.35 | 1.33 | 2.03 | 17.90 | |||||||||||||
1976 | 1.71 | 1.45 | 1.14 | 1.86 | 1.13 | 0.75 | 0.29 | 4.08 | 0.54 | 0.87 | 0.88 | 0.01 | 14.71 | |||||||||||||
1977 | 0.54 | 0.80 | 1.79 | 0.17 | 2.66 | 0.42 | 0.42 | 1.02 | 1.91 | 1.19 | 1.76 | c | 2.41 | 15.09 | ||||||||||||
1978 | 1.84 | 1.59 | a | 1.07 | a | 2.61 | 1.08 | 1.23 | 1.30 | 1.98 | 0.96 | 0.04 | 1.57 | 1.99 | 17.26 | |||||||||||
1979 | 1.70 | 2.02 | 1.35 | 1.94 | 1.62 | 0.33 | 0.03 | 2.35 | 0.13 | 2.69 | 2.01 | a | 0.53 | 16.70 | ||||||||||||
1980 | 1.39 | 0.95 | 1.39 | 0.90 | 2.67 | b | 1.55 | 0.30 | 0.00 | 0.90 | 0.51 | 1.56 | 2.16 | 14.28 | ||||||||||||
1981 | 1.19 | 1.40 | 1.90 | 1.44 | 2.13 | 1.48 | 0.55 | 0.00 | 1.14 | 1.82 | 3.07 | 3.10 | a | 19.22 | ||||||||||||
1982 | 1.45 | a | 1.52 | 1.63 | 1.07 | 0.94 | 1.83 | 0.57 | 0.58 | 1.19 | 1.85 | a | 1.64 | 2.26 | 16.53 | |||||||||||
1983 | 1.41 | 1.94 | 3.02 | a | 1.11 | 1.49 | 2.23 | 0.83 | 1.58 | 0.72 | 1.47 | 2.48 | 2.63 | c | 20.91 | |||||||||||
1984 | 0.56 | 1.45 | 2.01 | 1.69 | 1.65 | 1.91 | 0.17 | 1.82 | 0.19 | 0.98 | a | 2.72 | a | 1.50 | 16.65 | |||||||||||
1985 | 0.35 | 1.09 | 0.89 | 0.58 | a | 0.77 | 0.36 | 0.90 | 0.31 | 0.18 | 1.02 | 1.57 | c | 1.02 | 9.04 | |||||||||||
1986 | 2.22 | 3.72 | 1.20 | 0.76 | a | 2.01 | a | 0.28 | 0.68 | 0.00 | 1.65 | 0.85 | 2.60 | 0.55 | 16.52 | |||||||||||
1987 | 2.39 | 1.64 | 1.68 | l | 0.53 | h | 1.31 | 0.89 | 0.80 | a | 0.45 | 0.07 | 0.04 | 1.22 | a | 2.14 | a | 10.95 | b | |||||||
1988 | 2.15 | 0.49 | 1.20 | 1.74 | 2.06 | 1.48 | 0.01 | 0.32 | 0.58 | 0.03 | 2.56 | a | 1.51 | 14.13 | ||||||||||||
1989 | 2.34 | 1.31 | a | 2.30 | 1.35 | a | 3.64 | b | 0.98 | 0.82 | 1.56 | 0.77 | 1.18 | 1.11 | 0.41 | 17.77 | ||||||||||
1990 | 2.13 | a | 0.97 | a | 1.70 | 1.82 | 1.93 | 1.15 | 0.19 | 0.71 | 1.60 | 1.53 | 1.78 | 1.55 | b | 17.06 | ||||||||||
1991 | 1.26 | 0.85 | 1.50 | 1.93 | 3.67 | a | ----- | z | ----- | z | 0.27 | ----- | z | ----- | z | ----- | z | 1.60 | a | 11.08 | e | |||||
1992 | ----- | z | 1.30 | a | 0.21 | ----- | z | ----- | z | 1.85 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.36 | i | ||
1993 | ----- | z | ----- | z | ----- | z | 2.48 | 1.76 | 1.96 | 1.58 | 2.20 | 0.00 | 0.00 | a | 0.65 | g | 2.32 | b | 12.30 | d | ||||||
1994 | 2.13 | a | 1.70 | c | 0.36 | 1.61 | 3.39 | b | 1.76 | d | 0.36 | 0.25 | 1.25 | a | 1.24 | a | 2.13 | n | 7.43 | p | 14.05 | b | ||||
1995 | 2.67 | 0.88 | 2.10 | b | 3.19 | 1.55 | 2.73 | 0.50 | a | 0.43 | 1.51 | 0.89 | 3.62 | 3.12 | 23.19 | |||||||||||
1996 | 2.52 | 2.10 | b | 1.16 | h | 1.75 | 2.68 | 1.53 | 0.06 | 0.00 | 1.22 | 1.36 | 2.61 | 5.81 | 21.64 | a | ||||||||||
1997 | 1.33 | c | 0.93 | 1.57 | i | 2.16 | 0.83 | a | 2.50 | 2.81 | 0.50 | 0.51 | 1.16 | 1.20 | b | 0.45 | g | 13.93 | b | |||||||
1998 | 2.91 | e | 0.65 | a | 1.12 | 0.98 | a | 2.70 | a | 0.88 | 0.26 | 0.25 | 0.88 | 0.92 | 3.40 | b | 2.55 | b | 17.50 | |||||||
1999 | 1.92 | d | 2.44 | f | 0.44 | 0.56 | b | 1.12 | a | 0.93 | d | 1.15 | 1.04 | f | 0.00 | 2.45 | 0.67 | 1.97 | 11.21 | b | ||||||
2000 | 2.16 | a | 2.23 | b | 1.02 | a | 0.41 | b | 1.90 | 1.56 | 0.83 | a | 0.00 | j | 0.25 | 2.12 | a | 0.74 | d | 1.07 | e | 14.29 | a | |||
2001 | 0.70 | b | 0.42 | a | 1.37 | g | 1.22 | g | 0.15 | c | ----- | z | ----- | z | ----- | z | 0.00 | 0.81 | a | 0.92 | e | 1.80 | o | 3.00 | f | |
2002 | 0.17 | l | 0.08 | r | 0.04 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | v | 2.96 | l | 0.00 | l |
2003 | 1.80 | n | 0.38 | v | ----- | z | 1.23 | v | 1.01 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2004 | ----- | z | ----- | z | ----- | z | 0.63 | s | 2.84 | v | 0.98 | o | 0.42 | j | 1.42 | i | 0.52 | p | ----- | z | 0.08 | v | 0.07 | y | 0.00 | l |
2005 | 0.46 | p | 0.20 | p | 1.87 | q | ----- | z | 2.47 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.16 | b | 1.16 | k |
2007 | 1.60 | a | 0.30 | l | 0.10 | a | 0.17 | y | 0.58 | 0.20 | o | 0.00 | d | 0.00 | y | ----- | z | 0.43 | q | 0.09 | w | 0.50 | y | 2.28 | h | |
2008 | 0.00 | w | ----- | z | ----- | z | ----- | z | ----- | z | 0.52 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2009 | ----- | z | ----- | z | 0.00 | w | 0.00 | h | 1.45 | 0.75 | k | 0.00 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | 1.45 | i | |||
2010 | ----- | z | ----- | z | ----- | z | 1.03 | 3.04 | 2.71 | 0.59 | 0.17 | 0.84 | 3.15 | 1.94 | i | 0.83 | q | 11.53 | e | |||||||
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 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.66 | e | 0.66 | k |
2018 | 2.14 | 0.86 | 2.11 | e | 1.98 | 1.49 | a | 1.76 | g | 0.01 | 1.82 | a | 0.28 | 1.83 | 1.44 | 1.98 | 15.94 | a | ||||||||
2019 | 1.71 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.71 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.95 | 1.48 | 1.44 | 1.41 | 1.72 | 1.67 | 0.54 | 0.68 | 0.84 | 1.34 | 1.91 | 2.13 | 17.07 | |||||||||||||
S.D. | 0.81 | 0.79 | 0.71 | 0.71 | 1.07 | 1.06 | 0.60 | 0.78 | 0.68 | 0.83 | 1.03 | 1.11 | 3.34 | |||||||||||||
SKEW | 0.88 | 1.56 | 0.34 | 0.50 | 0.93 | 0.72 | 1.74 | 1.70 | 1.04 | 0.69 | 0.45 | 0.86 | 0.17 | |||||||||||||
MAX | 4.89 | 4.65 | 3.13 | 3.28 | 5.03 | 4.79 | 2.81 | 4.08 | 3.12 | 4.13 | 5.04 | 5.81 | 26.09 | |||||||||||||
MIN | 0.35 | 0.42 | 0.10 | 0.17 | 0.04 | 0.09 | 0.00 | 0.00 | 0.00 | 0.00 | 0.17 | 0.01 | 9.04 | |||||||||||||
YRS | 74 | 74 | 71 | 74 | 79 | 74 | 78 | 76 | 77 | 78 | 73 | 75 | 58 |