YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1930 | 0.34 | p | 1.83 | 2.00 | 0.83 | 1.70 | 0.62 | 0.05 | 0.08 | 1.22 | 0.83 | 1.42 | 0.70 | a | 2.00 | |||||||||||
1931 | 2.30 | 2.23 | 3.57 | 1.40 | 0.58 | 1.62 | 0.18 | 0.05 | 1.51 | 2.27 | 2.51 | 2.13 | 3.57 | |||||||||||||
1932 | 2.10 | 1.53 | 3.37 | 1.75 | 0.57 | 0.27 | 0.56 | 0.49 | 0.50 | 0.83 | 3.02 | 3.27 | 3.37 | |||||||||||||
1933 | 2.34 | 1.58 | 1.91 | 0.45 | 2.06 | 2.16 | 0.12 | 0.34 | 1.12 | 9999.00 | z | 9999.00 | z | 9.90 | 9.90 | |||||||||||
1934 | 2.82 | 0.79 | 1.76 | 0.76 | 1.09 | 0.23 | 1.25 | 1.53 | 1.41 | 3.40 | 1.75 | 1.73 | 3.40 | |||||||||||||
1935 | 3.72 | 1.30 | 4.00 | 1.28 | 0.35 | 1.40 | 0.13 | 0.20 | 2.04 | 0.88 | 1.21 | 1.36 | 4.00 | |||||||||||||
1936 | 2.77 | 4.21 | 1.68 | 0.27 | 1.56 | 1.38 | 0.80 | 0.31 | 0.69 | 0.53 | 0.39 | 2.44 | 4.21 | |||||||||||||
1937 | 1.22 | 2.94 | 1.37 | a | 2.19 | 1.35 | 1.56 | 0.19 | 1.32 | 2.66 | 2.04 | 3.53 | 2.56 | 3.53 | ||||||||||||
1938 | 2.15 | 1.12 | 1.50 | 2.70 | b | 0.79 | 0.19 | a | 0.26 | 0.21 | 0.40 | 1.53 | a | 2.50 | 1.58 | a | 2.70 | |||||||||
1939 | 1.41 | 2.89 | a | 1.24 | 0.64 | a | 0.85 | 2.03 | 0.89 | a | 0.22 | 0.45 | 2.15 | 0.92 | 2.27 | 2.89 | ||||||||||
1940 | 1.12 | 2.36 | 1.49 | 1.95 | 0.98 | 0.13 | 0.47 | 0.27 | 0.36 | 1.92 | 2.00 | 1.21 | 2.36 | |||||||||||||
1941 | 2.95 | 1.03 | 0.90 | 0.74 | 1.77 | 0.52 | 0.23 | 1.57 | 0.91 | 0.95 | 1.78 | 2.85 | 2.95 | |||||||||||||
1942 | 1.78 | 1.08 | 1.30 | 0.88 | 0.78 | 1.40 | 0.61 | 0.18 | 0.35 | 4.02 | 3.13 | 1.62 | 4.02 | |||||||||||||
1943 | 1.78 | 2.30 | 1.88 | 1.42 | 0.97 | 0.40 | 0.62 | 1.47 | 0.61 | 1.75 | 1.37 | 3.80 | 3.80 | |||||||||||||
1944 | 1.33 | 0.87 | 1.83 | 1.42 | 0.39 | 1.34 | 0.12 | 0.13 | 0.68 | 1.28 | 1.90 | 1.26 | 1.90 | |||||||||||||
1945 | 1.92 | 2.60 | 1.08 | 1.06 | 0.80 | 0.18 | 0.83 | 0.12 | 1.92 | 0.85 | 1.81 | 1.96 | 2.60 | |||||||||||||
1946 | 1.80 | 1.98 | 1.06 | 1.51 | 0.99 | 1.83 | 1.18 | 0.25 | 0.85 | 1.50 | 2.80 | 1.85 | 2.80 | |||||||||||||
1947 | 1.77 | 1.85 | 0.68 | 1.09 | 0.18 | 0.83 | 0.73 | 0.28 | 0.82 | 1.85 | 0.78 | 1.31 | 1.85 | |||||||||||||
1948 | 2.21 | 1.66 | 1.95 | 0.90 | 1.41 | 0.77 | 0.70 | 1.10 | 1.42 | 0.90 | 1.60 | 3.18 | 3.18 | |||||||||||||
1949 | 0.32 | 3.60 | a | 1.85 | 0.35 | 1.28 | 0.49 | 0.33 | 0.25 | 0.64 | 1.20 | 1.33 | 1.75 | 3.60 | ||||||||||||
1950 | 3.23 | 2.71 | 3.40 | 1.80 | 0.43 | 0.26 | 0.68 | 0.66 | 1.39 | 2.00 | a | 1.93 | 2.72 | 3.40 | ||||||||||||
1951 | 2.47 | 1.89 | 1.66 | 1.18 | 0.66 | 0.15 | 0.21 | 0.58 | 2.23 | 1.23 | 1.20 | 1.55 | 2.47 | |||||||||||||
1952 | 1.98 | 1.39 | 1.32 | 0.77 | 0.44 | 0.65 | 0.46 | 0.82 | a | 0.26 | 0.73 | 0.83 | 1.48 | 1.98 | ||||||||||||
1953 | 3.41 | 0.78 | 1.23 | 0.86 | 0.90 | 0.64 | 0.29 | a | 0.77 | 2.12 | 0.84 | 2.21 | 1.80 | 3.41 | ||||||||||||
1954 | 2.72 | 2.63 | 1.54 | 1.23 | a | 0.52 | a | 1.45 | 0.38 | 0.91 | 0.89 | a | 1.00 | 2.38 | 2.32 | 2.72 | ||||||||||
1955 | 1.00 | 1.59 | a | 1.35 | 1.48 | b | 0.27 | 0.75 | 1.37 | 0.28 | 1.34 | a | 2.17 | b | 2.00 | 2.89 | 2.89 | |||||||||
1956 | 2.53 | 1.10 | 2.06 | 0.77 | 0.42 | 1.14 | 0.20 | 1.30 | a | 0.83 | 1.83 | 0.70 | 1.95 | 2.53 | ||||||||||||
1957 | 1.14 | 0.87 | a | 2.15 | 0.89 | 0.77 | 0.63 | 1.03 | 0.42 | 0.23 | 0.68 | 1.57 | a | 1.77 | 2.15 | |||||||||||
1958 | 2.02 | 1.63 | 1.12 | 1.35 | 0.40 | 1.60 | 0.07 | 0.11 | 0.50 | 2.11 | 2.95 | 1.39 | 2.95 | |||||||||||||
1959 | 2.80 | 0.93 | 1.63 | 1.68 | 0.90 | 0.94 | 0.44 | 0.31 | 2.33 | 1.34 | 2.80 | 1.95 | 2.80 | |||||||||||||
1960 | 1.66 | 2.31 | 1.59 | 1.12 | 1.04 | 0.68 | 0.04 | 0.88 | 0.51 | 1.96 | 4.19 | 1.03 | 4.19 | |||||||||||||
1961 | 2.27 | 3.49 | 1.31 | 1.02 | 0.85 | 0.50 | 0.65 | 1.07 | 0.71 | 1.50 | 1.35 | 2.30 | A | 3.49 | ||||||||||||
1962 | 0.86 | 0.97 | 1.38 | 1.50 | 0.63 | 0.70 | 0.21 | 0.78 | 1.52 | 1.88 | 2.70 | a | 1.86 | 2.70 | ||||||||||||
1963 | 1.32 | 1.23 | 1.93 | 0.73 | 0.98 | 0.40 | 0.86 | 0.95 | 0.94 | 2.30 | 1.78 | 1.69 | 2.30 | |||||||||||||
1964 | 2.71 | 0.87 | 1.11 | 0.53 | 0.49 | 0.72 | 0.92 | 0.44 | 1.00 | 0.42 | 3.35 | 2.17 | 3.35 | |||||||||||||
1965 | 2.80 | 1.07 | 0.30 | 0.85 | 0.70 | 0.63 | 0.16 | 0.91 | 0.23 | 0.81 | 1.37 | 1.52 | 2.80 | |||||||||||||
1966 | 1.10 | 1.52 | 1.45 | 1.21 | 0.93 | 0.44 | 0.33 | 0.57 | 0.42 | 1.90 | 1.74 | 2.67 | 2.67 | |||||||||||||
1967 | 2.43 | 1.44 | 1.39 | 1.05 | 0.38 | 1.05 | 0.18 | 0.05 | 0.75 | 1.32 | 1.57 | 1.92 | 2.43 | |||||||||||||
1968 | 1.24 | 1.95 | 2.17 | 0.58 | 0.62 | 2.26 | 0.45 | 1.40 | 1.04 | 1.26 | 2.01 | 1.24 | 2.26 | |||||||||||||
1969 | 1.27 | 1.44 | 0.98 | 0.97 | 1.00 | 1.12 | 0.16 | 0.36 | 1.08 | 1.12 | 2.13 | 1.80 | 2.13 | |||||||||||||
1970 | 1.64 | 2.52 | 1.14 | 1.42 | 0.74 | 0.43 | 0.19 | 0.11 | 0.71 | 1.55 | 1.27 | 3.55 | 3.55 | |||||||||||||
1971 | 3.10 | 1.37 | 1.57 | 1.82 | 0.70 | 0.87 | 0.63 | 0.90 | 1.93 | 2.00 | A | 1.60 | 1.62 | 3.10 | ||||||||||||
1972 | 2.85 | 1.63 | 1.65 | 1.52 | 0.73 | 0.22 | 0.44 | 0.14 | 1.25 | 0.56 | 1.29 | 2.76 | 2.85 | |||||||||||||
1973 | 1.25 | 0.61 | 1.17 | 0.98 | 1.20 | 0.78 | 0.15 | 0.59 | 1.23 | 1.62 | 2.48 | 2.53 | 2.53 | |||||||||||||
1974 | 1.81 | 1.66 | 1.87 | 1.07 | 0.95 | 1.39 | 1.76 | 0.50 | 0.11 | 0.63 | 2.25 | 2.45 | 2.45 | |||||||||||||
1975 | 2.65 | 1.57 | 2.03 | A | 1.06 | 1.30 | 0.62 | 0.17 | 0.76 | 0.03 | 1.65 | 2.05 | 3.70 | 3.70 | ||||||||||||
1976 | 3.02 | 1.40 | 1.18 | 0.55 | 0.49 | 0.32 | 1.05 | 0.45 | 1.05 | 1.03 | 0.81 | A | 1.21 | A | 3.02 | |||||||||||
1977 | 0.45 | 1.20 | 1.35 | 0.25 | 1.50 | 0.64 | 0.15 | 0.80 | 1.09 | 0.88 | 2.00 | a | 3.00 | A | 2.00 | |||||||||||
1978 | 1.28 | 2.00 | 1.67 | A | 1.86 | A | 1.20 | 0.90 | 0.55 | 0.53 | 1.12 | c | 0.64 | 2.00 | A | 0.73 | 2.00 | |||||||||
1979 | 1.27 | 1.40 | 1.48 | 0.50 | 1.72 | 0.69 | 0.63 | 0.60 | 0.95 | 1.55 | 2.40 | A | 2.05 | 2.05 | ||||||||||||
1980 | 1.48 | 1.52 | 0.72 | b | 1.31 | 0.26 | 0.86 | 0.26 | 9999.00 | z | 1.30 | 0.76 | 2.52 | 2.10 | 2.52 | |||||||||||
1981 | 0.91 | A | 2.00 | A | 2.20 | 1.76 | 0.78 | 1.20 | 0.55 | 0.10 | 0.70 | 2.45 | 2.01 | 1.85 | a | 2.45 | ||||||||||
1982 | 3.04 | d | 2.75 | c | 1.16 | 2.00 | 0.35 | 1.90 | 0.31 | 0.66 | 9999.00 | z | 2.60 | 1.80 | A | 2.00 | 3.04 | |||||||||
1983 | 3.50 | 2.50 | 2.50 | A | 0.60 | 1.10 | A | 1.30 | A | 2.00 | 0.63 | 0.94 | b | 0.92 | A | 2.24 | 1.52 | a | 3.50 | |||||||
1984 | 1.28 | b | 2.50 | 0.72 | A | 1.25 | 0.87 | 0.90 | 0.25 | 0.23 | 1.21 | 1.82 | 2.00 | 1.75 | 2.50 | |||||||||||
1985 | 0.32 | 1.54 | a | 2.10 | 0.96 | 0.39 | 2.05 | a | 0.66 | 0.33 | 1.03 | a | 2.27 | A | 0.98 | 0.78 | 2.10 | |||||||||
1986 | 2.30 | 2.20 | 0.95 | 0.66 | 0.89 | 0.97 | 0.55 | 0.30 | 1.05 | 2.10 | 4.01 | 2.15 | 4.01 | |||||||||||||
1987 | 1.70 | 2.60 | 3.32 | 1.08 | 1.30 | 0.70 | 0.71 | 0.35 | 0.36 | 0.45 | 1.40 | 1.60 | 3.32 | |||||||||||||
1988 | 2.10 | 1.43 | 2.27 | 1.50 | 1.10 | 0.71 | 0.70 | 0.75 | 0.56 | a | 1.10 | 1.45 | 2.00 | 2.27 | ||||||||||||
1989 | 1.60 | 1.49 | a | 1.10 | 0.60 | 1.08 | 0.70 | 1.84 | 0.80 | 1.00 | 1.75 | 1.36 | 3.85 | A | 1.84 | |||||||||||
1990 | 1.90 | 2.50 | 1.57 | 1.55 | 1.41 | 0.87 | 0.45 | 0.33 | 0.46 | 1.50 | 2.60 | 1.20 | 2.60 | |||||||||||||
1991 | 1.50 | 2.00 | 1.80 | a | 2.45 | 0.75 | 0.85 | 0.20 | a | 0.96 | 0.07 | 0.68 | 1.85 | 2.20 | 2.45 | |||||||||||
1992 | 1.70 | 2.02 | 0.47 | 1.24 | 0.30 | 0.30 | 0.12 | 0.62 | 1.22 | 1.55 | 2.25 | 1.04 | 2.25 | |||||||||||||
1993 | 1.48 | 0.54 | 1.72 | 1.65 | 1.00 | 1.06 | A | 0.92 | 0.26 | 0.06 | 1.10 | 2.00 | 2.02 | 2.02 | ||||||||||||
1994 | 2.00 | 1.60 | 1.52 | 1.05 | 0.76 | 0.60 | 0.64 | 1.35 | 1.00 | 2.62 | 2.10 | 3.00 | 3.00 | |||||||||||||
1995 | 2.04 | 4.15 | 1.13 | 0.75 | 0.68 | 0.85 | 0.45 | 0.59 | A | 1.15 | a | 1.83 | 3.97 | 1.42 | 4.15 | |||||||||||
1996 | 1.18 | 4.18 | 0.25 | 3.07 | 0.85 | 0.47 | 1.15 | 0.37 | 1.00 | 1.51 | 2.25 | a | 2.12 | 4.18 | ||||||||||||
1997 | 1.23 | 1.20 | 2.30 | a | 1.23 | 1.03 | 0.98 | 0.62 | a | 0.90 | 3.02 | 2.60 | 1.80 | 3.55 | 3.55 | |||||||||||
1998 | 1.56 | a | 1.14 | 3.53 | 0.65 | 0.70 | 0.43 | 0.12 | 0.04 | 0.49 | 0.88 | 2.60 | 3.10 | 3.53 | ||||||||||||
1999 | 2.50 | a | 3.03 | 1.81 | a | 0.59 | 1.90 | 1.60 | 0.68 | a | 0.50 | a | 0.07 | 1.10 | 2.50 | a | 2.00 | 3.03 | ||||||||
2000 | 0.75 | a | 1.20 | 0.78 | a | 0.90 | 1.11 | 2.50 | 0.46 | 0.25 | 1.80 | 0.98 | a | 1.17 | 1.03 | 2.50 | ||||||||||
2001 | 0.69 | 1.23 | 0.89 | a | 0.95 | a | 1.24 | 0.85 | 0.28 | a | 3.10 | a | 0.66 | 0.90 | 4.00 | a | 2.50 | e | 4.00 | |||||||
2002 | 2.78 | d | 1.34 | c | 3.20 | f | 2.20 | 0.60 | a | 1.90 | a | 0.10 | 0.02 | b | 0.60 | a | 0.46 | a | 0.68 | b | 1.38 | a | 3.20 | |||
2003 | 3.04 | h | 1.22 | c | 2.40 | h | 0.96 | A | 1.00 | 0.25 | e | 0.22 | c | 0.06 | 1.09 | a | 1.30 | 2.05 | 1.00 | a | 3.04 | |||||
2004 | 2.10 | b | 0.79 | A | 1.13 | 1.08 | A | 0.82 | a | 0.90 | 0.08 | a | 1.00 | A | 1.01 | a | 2.10 | A | 1.72 | A | 1.74 | A | 2.10 | |||
2005 | 9999.00 | z | 0.36 | e | 2.00 | b | 1.75 | 3.01 | a | 0.43 | a | 0.55 | e | 0.04 | A | 0.69 | A | 1.22 | h | 1.40 | e | 1.95 | 3.01 | |||
2006 | 3.69 | a | 0.90 | 1.40 | a | 0.92 | A | 9999.00 | z | 0.98 | A | 0.35 | 0.00 | b | 0.53 | A | 0.65 | c | 6.00 | c | 2.05 | A | 6.00 | |||
2007 | 2.40 | A | 2.02 | A | 1.77 | h | 1.16 | A | 0.80 | 0.65 | b | 1.34 | i | 0.37 | b | 0.95 | A | 1.04 | A | 1.10 | c | 1.55 | j | 1.77 | ||
2008 | 1.20 | A | 1.23 | A | 1.06 | c | 0.72 | 0.50 | 0.90 | a | 0.25 | A | 1.31 | c | 0.23 | A | 1.62 | A | 3.00 | a | 2.35 | A | 3.00 | |||
2009 | 2.00 | 0.62 | a | 1.62 | d | 1.23 | 1.60 | A | 0.28 | 0.67 | h | 1.00 | 1.05 | A | 1.78 | A | 2.74 | A | 1.34 | 2.00 | ||||||
2010 | 1.90 | A | 1.20 | c | 1.94 | A | 1.83 | a | 0.95 | c | 8.00 | A | 0.40 | e | 0.65 | A | 9999.00 | z | 2.40 | A | 2.40 | a | 2.00 | A | 2.40 | |
2011 | 3.10 | 1.18 | a | 2.40 | A | 1.52 | A | 1.45 | h | 1.03 | m | 0.72 | A | 0.08 | k | 1.67 | A | 0.95 | m | 3.00 | A | 1.00 | b | 3.10 | ||
2012 | 2.30 | d | 0.96 | A | 3.42 | 1.25 | 1.70 | b | 0.90 | b | 0.14 | u | 0.00 | z | 0.20 | j | 2.83 | d | 1.17 | 2.69 | c | 3.42 | ||||
2013 | 1.91 | 1.75 | b | 1.62 | g | 0.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 9999.00 | z | 1.91 | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.95 | 1.74 | 1.65 | 1.19 | 0.93 | 0.98 | 0.52 | 0.60 | 0.96 | 1.49 | 2.06 | 2.11 | 2.90 | |||||||||||||
S.D. | 0.79 | 0.83 | 0.75 | 0.54 | 0.47 | 0.95 | 0.41 | 0.50 | 0.60 | 0.71 | 0.92 | 1.15 | 0.67 | |||||||||||||
SKEW | 0.16 | 1.05 | 1.07 | 0.90 | 1.35 | 5.04 | 1.49 | 1.91 | 1.03 | 0.83 | 1.25 | 4.01 | 0.32 | |||||||||||||
MAX | 3.72 | 4.21 | 4.00 | 3.07 | 3.01 | 8.00 | 2.00 | 3.10 | 3.02 | 4.02 | 6.00 | 9.90 | 4.21 | |||||||||||||
MIN | 0.32 | 0.36 | 0.25 | 0.25 | 0.18 | 0.13 | 0.04 | 0.00 | 0.03 | 0.42 | 0.39 | 0.70 | 1.84 | |||||||||||||
NO YRS | 81 | 83 | 80 | 83 | 81 | 82 | 80 | 79 | 79 | 80 | 82 | 80 | 65 |