YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | 0.70 | s | 1.22 | 0.10 | 1.47 | 0.25 | 0.57 | 0.12 | 0.15 | 3.88 | e | |||||||
1944 | 0.20 | 0.21 | 0.13 | 1.26 | 2.28 | 5.33 | e | 0.71 | a | 1.45 | 0.55 | 0.37 | 0.69 | 0.25 | 13.43 | |||||||||||
1945 | 0.10 | 0.08 | 0.48 | x | 0.25 | 1.51 | 1.74 | 0.29 | 0.91 | 0.98 | 0.41 | 0.50 | 1.01 | 7.78 | a | |||||||||||
1946 | 0.69 | 0.53 | v | 0.63 | s | 0.39 | 2.65 | 1.36 | 1.75 | 1.36 | 2.80 | 1.63 | 1.37 | 0.63 | 14.63 | b | ||||||||||
1947 | 0.35 | 0.28 | 0.55 | 0.53 | 0.98 | 2.31 | 0.87 | 0.76 | 2.04 | 0.69 | 0.96 | 0.40 | 10.72 | |||||||||||||
1948 | 0.81 | 1.16 | a | 0.78 | ----- | z | ----- | z | 3.14 | ----- | z | 0.78 | ----- | z | ----- | z | ----- | z | ----- | z | 6.67 | g | ||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.65 | o | 0.89 | 1.56 | 0.12 | 1.44 | 4.01 | h | ||||
1952 | 0.25 | 0.82 | 0.13 | 0.04 | j | 2.64 | a | 1.92 | 0.97 | 0.49 | 0.16 | 0.00 | 0.50 | 0.25 | 8.13 | a | ||||||||||
1953 | 0.62 | 0.87 | 0.24 | 0.91 | 1.26 | 2.68 | 0.00 | 0.72 | 0.60 | 0.14 | 0.47 | a | 0.41 | 8.92 | ||||||||||||
1954 | 0.61 | 0.16 | 0.49 | 0.52 | 0.42 | 2.84 | 0.28 | 2.23 | 0.29 | 0.78 | 0.07 | 0.18 | 8.87 | |||||||||||||
1955 | 0.25 | 0.14 | 0.68 | 1.19 | 1.54 | 2.21 | 2.82 | 0.16 | 0.60 | 0.65 | 0.97 | 2.30 | 13.51 | |||||||||||||
1956 | 0.63 | 0.09 | 0.50 | 1.06 | 1.60 | 2.59 | 2.11 | 1.83 | 0.25 | 1.20 | 0.06 | 0.32 | 12.24 | |||||||||||||
1957 | 0.35 | 0.33 | 0.60 | 0.77 | 2.78 | 2.23 | 1.66 | 0.22 | 0.61 | 2.23 | 0.16 | 0.63 | 12.57 | |||||||||||||
1958 | 0.40 | 0.26 | 0.49 | 1.06 | 1.29 | 5.51 | 1.40 | 1.00 | 0.59 | 0.30 | 1.12 | 0.68 | 14.10 | |||||||||||||
1959 | 0.47 | 0.89 | 0.04 | 0.93 | 1.65 | 2.95 | 0.73 | 1.49 | 1.76 | 1.29 | 0.33 | 0.18 | a | 12.71 | ||||||||||||
1960 | 0.48 | 0.42 | 0.92 | 0.85 | 1.54 | 0.28 | 0.33 | 2.35 | 1.21 | 0.36 | 0.68 | 0.26 | 9.68 | |||||||||||||
1961 | 0.05 | 0.68 | 0.46 | 2.03 | 2.29 | 1.79 | 1.71 | 0.55 | 2.32 | 0.87 | 0.38 | 0.63 | 13.76 | |||||||||||||
1962 | 0.28 | 0.66 | 0.53 | 0.39 | 3.21 | 2.20 | 1.22 | 1.55 | 0.46 | 1.31 | 1.78 | 0.35 | 13.94 | |||||||||||||
1963 | 0.34 | 0.60 | 0.34 | 1.39 | 2.12 | 3.44 | 0.55 | 0.35 | 1.45 | 1.58 | 0.96 | 0.20 | 13.32 | |||||||||||||
1964 | 0.75 | 0.11 | 0.22 | 0.65 | 1.57 | a | 4.87 | 1.23 | 2.11 | 0.46 | 0.28 | 0.89 | 2.88 | 16.02 | ||||||||||||
1965 | 0.59 | 0.24 | 0.31 | 1.29 | 1.74 | 3.08 | 1.03 | 1.17 | 2.25 | 0.12 | 0.42 | 0.26 | 12.50 | |||||||||||||
1966 | 0.53 | 0.26 | 0.29 | 0.22 | 0.59 | 2.07 | 0.68 | 0.48 | ----- | z | 0.36 | 0.64 | 0.42 | 6.54 | a | |||||||||||
1967 | 0.70 | 0.18 | 1.28 | 1.84 | 3.28 | 3.05 | 1.10 | 0.00 | 0.50 | 3.01 | 0.45 | 0.48 | 15.87 | |||||||||||||
1968 | 0.35 | 0.36 | 0.56 | 0.43 | 1.28 | 2.32 | 0.25 | 2.48 | 3.06 | 0.53 | 1.19 | 0.90 | 13.71 | |||||||||||||
1969 | 1.12 | 0.39 | 0.19 | 0.86 | 1.40 | 3.77 | 2.28 | 0.27 | 0.61 | 0.60 | 0.17 | 1.26 | 12.92 | |||||||||||||
1970 | 0.74 | 0.29 | 1.30 | 0.76 | 1.66 | 2.79 | 2.29 | 0.69 | 1.61 | 0.22 | p | ----- | z | 0.14 | i | 12.13 | c | |||||||||
1971 | 0.45 | 0.06 | 0.14 | 1.47 | 1.50 | 1.45 | 0.32 | 2.01 | 0.98 | a | 0.35 | 0.96 | 1.56 | 11.25 | ||||||||||||
1972 | 0.54 | ----- | z | 0.02 | 0.01 | 1.15 | 0.96 | 0.30 | 0.62 | 0.40 | 0.21 | 0.38 | 0.62 | 5.21 | a | |||||||||||
1973 | 0.17 | 0.33 | 0.34 | 0.14 | 0.32 | 1.38 | 0.92 | 0.20 | 0.88 | 0.73 | 1.12 | 0.66 | 7.19 | |||||||||||||
1974 | 0.07 | 0.45 | 0.09 | 0.00 | 0.61 | 0.52 | 1.06 | 1.58 | 0.03 | 0.45 | 0.16 | 0.09 | 5.11 | |||||||||||||
1975 | 0.93 | 0.15 | 0.09 | 1.26 | ----- | z | 1.52 | 3.74 | 1.45 | 0.03 | 2.15 | 1.20 | 0.45 | 12.97 | a | |||||||||||
1976 | 0.39 | 0.37 | 0.20 | 0.86 | 0.56 | 1.61 | 1.38 | 2.46 | 2.44 | 0.09 | 0.07 | 0.09 | 10.52 | |||||||||||||
1977 | 0.47 | 0.01 | 0.88 | 0.10 | 1.95 | 1.61 | 1.14 | 0.73 | 1.33 | 0.36 | 0.81 | 1.45 | 10.84 | |||||||||||||
1978 | 0.54 | 0.71 | 0.21 | 0.65 | 1.75 | 0.25 | 2.44 | 0.29 | 1.41 | 0.12 | 0.17 | 0.99 | 9.53 | |||||||||||||
1979 | 0.59 | 0.41 | 0.51 | a | 1.71 | 0.50 | 0.56 | 0.64 | 1.80 | 0.01 | 0.63 | 0.22 | 0.33 | 7.91 | ||||||||||||
1980 | 1.01 | 0.07 | 0.74 | 1.01 | 4.87 | 3.57 | 0.95 | 0.68 | 2.35 | 0.89 | 1.31 | ----- | z | 17.45 | a | |||||||||||
1981 | 0.00 | 0.77 | 0.49 | 1.19 | 2.86 | 2.05 | 1.01 | 0.26 | 0.40 | 0.36 | 1.45 | 0.76 | 11.60 | |||||||||||||
1982 | 1.24 | 0.51 | 0.30 | 0.73 | 1.28 | 1.09 | 1.71 | 0.19 | 2.00 | 0.37 | 0.23 | 1.07 | 10.72 | |||||||||||||
1983 | 0.23 | a | 0.36 | 1.38 | 0.32 | 0.80 | 1.95 | 1.75 | 2.06 | 1.27 | 0.09 | 1.57 | 0.51 | 12.29 | ||||||||||||
1984 | 0.05 | 0.23 | 0.51 | 0.61 | 0.25 | 3.12 | 0.79 | 1.38 | 0.60 | 0.70 | 2.57 | 0.60 | 11.41 | |||||||||||||
1985 | 0.02 | 0.18 | 0.70 | 0.14 | 1.42 | 0.87 | 0.43 | 2.70 | 4.39 | 0.61 | 0.33 | 0.06 | 11.85 | |||||||||||||
1986 | 0.62 | 1.23 | 0.53 | 0.60 | 0.82 | 1.40 | 1.54 | 2.77 | 1.78 | 0.14 | 0.46 | 0.14 | 12.03 | |||||||||||||
1987 | 0.19 | 0.31 | 0.51 | 0.38 | 2.26 | 0.99 | 1.91 | 0.64 | 0.08 | 0.00 | 0.51 | 0.78 | 8.56 | |||||||||||||
1988 | 0.61 | 0.26 | 0.26 | 1.47 | 1.62 | 1.66 | 0.42 | 0.34 | 0.89 | 0.69 | 1.10 | 0.23 | 9.55 | |||||||||||||
1989 | 0.76 | 0.20 | 1.04 | 0.40 | 1.30 | 1.24 | 0.92 | 2.27 | 0.54 | 1.00 | 0.71 | 0.43 | 10.81 | |||||||||||||
1990 | 0.35 | 0.11 | 0.54 | 0.76 | 1.74 | 0.83 | 0.83 | 2.09 | 0.29 | 0.97 | 0.29 | 0.24 | 9.04 | |||||||||||||
1991 | 0.15 | 0.08 | 1.27 | 0.70 | 2.25 | 2.28 | 0.17 | 0.30 | 1.53 | 0.79 | 0.84 | 0.67 | 11.03 | |||||||||||||
1992 | 0.23 | b | 0.19 | 0.39 | 0.28 | 0.71 | 1.96 | 2.58 | 0.73 | 0.61 | 1.47 | 0.75 | 0.41 | 10.31 | ||||||||||||
1993 | 0.49 | 0.36 | a | 0.67 | 0.95 | 1.56 | 2.44 | 3.97 | 2.51 | 0.27 | 1.67 | 0.13 | 0.31 | 15.33 | ||||||||||||
1994 | 0.12 | 0.37 | 0.23 | 1.08 | 2.07 | 1.33 | 2.22 | 0.66 | 0.12 | 2.57 | 1.48 | a | 0.59 | 12.84 | ||||||||||||
1995 | 0.71 | 0.57 | 0.79 | 1.06 | 1.49 | 3.14 | 2.76 | 0.45 | 2.32 | 0.55 | 1.98 | 0.89 | 16.71 | |||||||||||||
1996 | 1.13 | 0.69 | 0.83 | 0.90 | 1.67 | 0.76 | 0.65 | 0.87 | ----- | z | 0.41 | 1.16 | 3.38 | 12.45 | a | |||||||||||
1997 | 1.24 | 0.41 | 0.63 | 0.98 | 2.64 | 3.52 | 2.29 | 1.86 | 1.04 | 1.97 | 0.90 | 0.12 | 17.60 | |||||||||||||
1998 | 0.90 | 0.52 | 0.51 | 0.92 | 2.00 | 2.04 | 2.38 | 0.62 | 1.03 | 0.14 | 1.44 | 0.79 | 13.29 | |||||||||||||
1999 | 0.63 | 0.51 | 0.10 | 0.60 | 1.28 | 1.11 | 0.13 | 1.66 | 0.87 | 0.32 | 0.74 | 0.77 | 8.72 | |||||||||||||
2000 | 0.82 | 0.92 | 0.25 | 0.28 | 2.05 | 0.74 | 0.51 | 0.13 | 1.55 | 1.88 | 0.42 | 0.14 | 9.69 | |||||||||||||
2001 | 0.20 | 0.27 | 0.56 | 0.67 | 1.45 | 1.98 | 1.77 | 0.41 | 1.06 | 1.21 | 0.74 | 0.51 | 10.83 | |||||||||||||
2002 | 0.56 | 0.03 | 1.14 | 0.86 | 1.09 | 1.94 | 1.11 | 2.28 | 0.68 | 0.13 | 0.71 | 0.74 | 11.27 | |||||||||||||
2003 | 0.82 | 0.34 | 0.43 | 1.46 | 1.23 | 1.33 | 0.26 | 1.43 | 0.25 | 0.74 | 0.48 | 0.67 | 9.44 | |||||||||||||
2004 | 0.35 | 0.31 | 0.08 | 1.55 | 1.92 | 1.79 | 1.12 | 1.42 | 1.12 | 0.34 | 0.17 | 0.63 | 10.80 | |||||||||||||
2005 | 0.22 | ----- | z | 0.37 | 1.16 | 3.12 | 2.76 | 0.28 | 0.53 | 1.06 | 1.24 | 1.69 | 0.65 | 13.08 | a | |||||||||||
2006 | 0.84 | 0.24 | 0.24 | 2.05 | 0.59 | 2.04 | 0.94 | 0.19 | 0.52 | 1.89 | 1.79 | 0.74 | 12.07 | |||||||||||||
2007 | 0.13 | 0.28 | 0.26 | 1.17 | 2.23 | 1.53 | 2.38 | 0.47 | 1.91 | d | 2.04 | 0.88 | 0.82 | 14.10 | ||||||||||||
2008 | 0.34 | 0.76 | 0.47 | 0.66 | 1.68 | 1.98 | a | 1.09 | 0.98 | 1.46 | ----- | z | 0.87 | 0.96 | 11.25 | a | ||||||||||
2009 | 0.39 | 0.18 | 0.91 | 0.76 | 1.05 | 1.88 | 1.89 | 1.31 | 0.71 | 0.99 | 0.25 | 0.25 | 10.57 | |||||||||||||
2010 | 0.56 | 0.15 | 0.45 | 0.50 | 2.95 | 3.70 | 1.56 | 1.77 | 1.73 | 1.19 | 1.12 | 1.22 | 16.90 | |||||||||||||
2011 | 0.55 | ----- | z | 0.34 | 0.42 | 1.73 | 2.03 | 1.02 | 0.45 | 0.27 | 1.30 | 0.87 | a | 0.53 | a | 9.51 | a | |||||||||
2012 | 0.35 | 1.04 | ----- | z | 1.23 | 0.80 | 0.89 | 1.18 | 0.23 | 0.00 | 1.12 | 1.51 | 0.33 | d | 8.68 | a | ||||||||||
2013 | 0.46 | 0.18 | 0.14 | 0.30 | b | 3.27 | 0.96 | 0.77 | 2.25 | 3.77 | 0.46 | 0.55 | b | 0.77 | 13.88 | |||||||||||
2014 | 0.46 | 0.98 | a | 1.91 | 1.06 | 0.82 | a | ----- | z | 0.76 | 2.61 | a | 1.23 | 0.83 | 0.76 | 1.39 | 12.81 | a | ||||||||
2015 | 0.34 | 0.56 | 0.96 | 1.36 | 2.10 | a | 0.73 | 1.29 | a | 0.26 | a | 1.47 | 0.60 | e | 1.34 | 1.37 | 12.38 | |||||||||
2016 | 0.43 | 0.66 | 1.40 | 1.27 | 1.97 | 0.70 | 0.81 | 0.28 | 2.31 | 1.42 | 0.48 | a | ----- | z | 11.73 | a | ||||||||||
2017 | 0.86 | 1.00 | 0.65 | 1.11 | 2.59 | 1.67 | 1.46 | 0.13 | a | 1.97 | 0.74 | ----- | z | 0.00 | l | 12.18 | b | |||||||||
2018 | ----- | z | 0.40 | 0.75 | 1.80 | 3.96 | 5.06 | ----- | z | 0.83 | a | 0.89 | 1.01 | 0.71 | ----- | z | 15.41 | c | ||||||||
2019 | ----- | z | 2.40 | 0.82 | 1.20 | 1.89 | 0.74 | a | 1.65 | 1.28 | 2.58 | 1.58 | 0.39 | 0.27 | 14.80 | a | ||||||||||
2020 | 0.74 | 0.98 | 0.53 | 0.55 | 3.00 | 5.49 | ----- | z | ----- | z | ----- | z | 1.99 | 1.22 | a | 0.57 | 15.07 | c | ||||||||
2021 | 0.38 | 0.93 | ----- | z | 0.64 | ----- | z | 0.43 | 1.27 | 2.89 | 0.46 | 1.10 | 0.83 | 1.12 | a | 10.05 | b | |||||||||
2022 | 0.88 | 0.39 | 0.55 | 0.80 | ----- | z | 2.31 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 4.93 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.50 | 0.46 | 0.54 | 0.86 | 1.75 | 2.07 | 1.24 | 1.14 | 1.14 | 0.88 | 0.78 | 0.69 | 11.79 | |||||||||||||
S.D. | 0.29 | 0.38 | 0.37 | 0.47 | 0.88 | 1.21 | 0.84 | 0.82 | 0.91 | 0.67 | 0.52 | 0.59 | 2.52 | |||||||||||||
SKEW | 0.48 | 2.19 | 1.16 | 0.38 | 0.82 | 1.04 | 0.96 | 0.50 | 1.17 | 0.93 | 0.82 | 2.32 | 0.07 | |||||||||||||
MAX | 1.24 | 2.40 | 1.91 | 2.05 | 4.87 | 5.51 | 3.97 | 2.89 | 4.39 | 3.01 | 2.57 | 3.38 | 17.60 | |||||||||||||
MIN | 0.00 | 0.01 | 0.02 | 0.00 | 0.25 | 0.25 | 0.00 | 0.00 | 0.00 | 0.00 | 0.06 | 0.06 | 5.11 | |||||||||||||
YRS | 74 | 72 | 72 | 74 | 72 | 76 | 73 | 75 | 73 | 74 | 74 | 71 | 54 |