YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | 1.59 | 0.78 | 1.34 | 0.95 | 1.53 | 2.14 | 0.65 | 0.56 | 1.43 | 0.77 | 1.53 | 2.29 | 15.56 | |||||||||||||
1949 | 0.32 | 1.37 | 0.46 | 0.06 | 2.00 | 0.44 | 0.07 | 0.00 | 0.39 | 0.36 | 0.60 | 0.73 | 6.80 | |||||||||||||
1950 | 3.59 | a | 0.47 | 1.65 | 0.38 | 0.22 | 0.97 | 0.00 | 0.19 | 0.08 | 2.96 | 0.96 | 2.09 | 13.56 | ||||||||||||
1951 | 0.78 | 1.40 | 0.54 | 0.77 | 0.88 | 0.00 | 0.00 | 0.00 | 0.28 | 1.69 | 1.52 | 2.90 | 10.76 | |||||||||||||
1952 | 0.87 | 1.83 | 1.07 | 0.19 | 1.01 | 2.26 | 0.06 | 0.00 | 0.49 | 0.12 | 0.38 | 2.69 | 10.97 | |||||||||||||
1953 | 1.75 | 0.49 | 0.84 | 0.64 | 1.74 | 0.74 | 0.00 | 0.40 | 0.05 | 0.68 | 2.26 | 1.17 | 10.76 | |||||||||||||
1954 | 1.85 | 0.50 | 0.81 | 0.86 | 0.24 | 1.15 | 0.00 | 0.54 | 0.11 | 0.25 | 0.86 | 1.40 | 8.57 | |||||||||||||
1955 | 0.50 | 0.20 | 0.59 | 0.81 | 0.00 | 0.83 | 0.12 | 0.14 | 0.56 | 0.74 | 2.95 | 3.87 | 11.31 | |||||||||||||
1956 | 3.30 | 1.14 | 0.22 | 0.41 | 1.50 | 1.08 | 0.12 | 0.02 | 0.54 | 2.25 | 0.25 | 1.69 | 12.52 | |||||||||||||
1957 | 1.13 | 1.45 | 3.45 | 0.60 | 1.60 | 0.00 | 0.23 | 0.00 | 2.88 | 1.54 | 2.50 | 3.00 | 18.38 | |||||||||||||
1958 | 2.26 | 1.68 | 0.79 | 0.38 | 1.22 | 3.88 | 0.85 | 0.27 | 0.59 | 0.26 | 0.68 | 0.39 | 13.25 | |||||||||||||
1959 | 0.88 | 0.83 | a | 0.52 | 0.20 | 0.65 | 0.34 | 0.00 | 1.40 | 0.68 | 0.72 | 0.01 | 0.49 | 6.72 | ||||||||||||
1960 | 0.84 | 1.94 | 2.49 | 0.32 | 0.61 | 0.00 | 0.02 | 0.00 | 0.62 | 0.48 | 2.03 | 1.66 | 11.01 | |||||||||||||
1961 | 0.47 | 1.45 | 1.11 | 0.27 | 1.49 | 0.80 | 0.00 | 0.10 | 0.48 | 1.96 | 2.50 | 2.57 | 13.20 | |||||||||||||
1962 | 1.72 | 2.75 | 1.84 | 0.27 | 1.42 | 0.11 | 0.00 | 0.28 | 1.51 | 4.68 | 1.37 | 0.98 | 16.93 | |||||||||||||
1963 | 1.37 | 0.79 | 0.79 | 1.59 | 0.72 | 0.81 | 0.00 | 0.42 | 0.20 | 1.34 | 1.68 | 0.70 | 10.41 | |||||||||||||
1964 | 2.82 | 0.47 | 1.01 | 0.20 | 0.67 | 2.03 | 0.34 | 0.00 | 0.08 | 0.15 | 2.06 | 6.65 | 16.48 | |||||||||||||
1965 | 1.59 | 0.07 | 0.02 | 1.56 | 0.35 | 1.42 | 0.00 | 1.32 | 0.02 | 0.04 | 1.79 | 1.47 | 9.65 | |||||||||||||
1966 | 0.92 | 0.18 | 0.63 | 0.50 | 0.33 | 1.05 | 0.28 | 0.93 | 0.34 | 0.23 | 1.87 | 2.85 | 10.11 | |||||||||||||
1967 | 1.92 | 0.19 | 1.87 | 1.25 | 0.71 | 1.06 | 0.19 | 0.05 | 0.06 | 0.71 | 0.45 | 1.24 | 9.70 | |||||||||||||
1968 | 1.15 | 1.26 | 0.42 | 0.05 | 0.54 | 0.86 | 0.00 | 1.72 | 0.01 | 0.79 | 2.08 | 1.77 | 10.65 | |||||||||||||
1969 | 3.86 | 1.24 | 0.42 | 0.49 | 0.63 | 1.47 | 0.05 | 0.00 | 0.26 | 1.99 | 0.54 | 5.11 | 16.06 | |||||||||||||
1970 | 4.13 | 1.47 | 0.58 | 0.47 | 0.48 | 0.23 | 0.06 | ----- | z | ----- | z | ----- | z | 2.51 | 1.41 | 11.34 | c | |||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1978 | ----- | z | ----- | z | 2.39 | 2.42 | 0.31 | 0.59 | 0.19 | 0.61 | 0.45 | 0.00 | 0.36 | 0.49 | 7.81 | b | ||||||||||
1979 | 1.89 | 1.11 | 0.75 | 0.84 | 1.23 | 0.19 | 0.06 | 1.22 | 0.23 | 2.84 | 3.03 | 0.71 | 14.10 | |||||||||||||
1980 | 2.24 | 1.92 | 0.76 | 0.65 | 0.73 | 0.84 | 0.02 | 0.00 | 0.53 | 0.54 | 0.97 | 1.83 | 11.03 | |||||||||||||
1981 | 0.61 | 1.75 | 1.00 | 0.98 | 0.87 | 0.12 | 0.00 | 0.00 | 0.46 | 1.23 | 3.90 | 4.65 | 15.57 | |||||||||||||
1982 | 0.90 | 2.44 | 1.12 | 0.60 | 0.28 | 1.41 | 0.97 | 0.56 | 0.36 | 1.26 | 1.31 | 2.69 | 13.90 | |||||||||||||
1983 | 1.23 | 2.49 | 2.48 | 0.81 | 0.98 | 0.39 | 0.61 | 0.65 | 0.44 | 0.78 | 2.76 | 4.94 | 18.56 | |||||||||||||
1984 | 0.18 | 1.27 | 0.85 | 0.68 | 0.64 | 0.77 | 0.48 | 1.31 | 0.41 | ----- | z | 3.11 | 1.10 | 10.80 | a | |||||||||||
1985 | 0.15 | 0.84 | 0.65 | 0.25 | 0.45 | 0.61 | 0.66 | 0.43 | 2.45 | 0.68 | 1.28 | 0.72 | 9.17 | |||||||||||||
1986 | 1.76 | 4.25 | 1.46 | 0.11 | 0.67 | 0.67 | 0.11 | 0.03 | 2.17 | 0.57 | 1.15 | 0.54 | 13.49 | |||||||||||||
1987 | 1.26 | 0.65 | 1.62 | 0.00 | 0.51 | 0.71 | 1.68 | 0.00 | 0.04 | 0.07 | 0.85 | 2.72 | 10.11 | |||||||||||||
1988 | 1.96 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.96 | k | |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.36 | 1.84 | 3.91 | 7.11 | i | |||
1997 | 3.41 | 1.06 | 0.67 | 0.93 | 0.52 | 0.96 | 0.69 | 0.68 | 0.74 | 1.25 | 2.50 | 0.88 | 14.29 | |||||||||||||
1998 | 3.18 | 1.21 | 1.58 | 0.58 | 3.61 | 1.43 | 0.00 | 0.00 | 0.43 | 0.90 | 4.44 | 1.03 | 18.39 | |||||||||||||
1999 | 2.13 | 1.95 | 0.21 | 0.62 | 0.29 | a | 0.01 | 0.00 | 3.70 | b | 0.00 | 0.46 | 1.08 | 0.52 | 10.97 | |||||||||||
2000 | 3.59 | a | 1.27 | 1.03 | 1.29 | 0.50 | 0.13 | 0.32 | 0.00 | 0.81 | 0.95 | 0.52 | 0.47 | 10.88 | ||||||||||||
2001 | 0.24 | 0.57 | 0.99 | 1.05 | 0.61 | 0.30 | 0.31 | 0.02 | 0.83 | 0.32 | 2.24 | 2.52 | 10.00 | |||||||||||||
2002 | 1.23 | 1.58 | 0.27 | 2.06 | 0.19 | 0.82 | 0.00 | 0.05 | 0.00 | 0.05 | 1.28 | 2.62 | 10.15 | |||||||||||||
2003 | 2.13 | 0.57 | 1.89 | 1.56 | 1.30 | 0.02 | 0.59 | 0.43 | 0.61 | 0.02 | 1.89 | 2.00 | 13.01 | |||||||||||||
2004 | 1.34 | 2.25 | 0.16 | 0.62 | 0.90 | 1.00 | 0.11 | 0.19 | 0.02 | 2.16 | 0.75 | 1.95 | 11.45 | |||||||||||||
2005 | 0.39 | 0.48 | 0.53 | a | 1.91 | 2.46 | 0.35 | 0.02 | 0.00 | 0.24 | 0.40 | 4.67 | 4.07 | 15.52 | ||||||||||||
2006 | 2.71 | 1.59 | 0.97 | 1.07 | 0.28 | 0.53 | 0.00 | 0.32 | 0.06 | 0.89 | 2.33 | 2.11 | 12.86 | |||||||||||||
2007 | 0.60 | 2.70 | 0.46 | 0.63 | 0.28 | 0.50 | 0.23 | 0.28 | 0.32 | 1.70 | 0.92 | 1.52 | 10.14 | |||||||||||||
2008 | 2.13 | 0.46 | 0.47 | 0.16 | 1.98 | 0.06 | 0.05 | 0.30 | 0.00 | 0.42 | 1.18 | 1.02 | 8.23 | |||||||||||||
2009 | 0.61 | 0.84 | 1.34 | 0.58 | a | 1.31 | 1.68 | 0.03 | 0.34 | 0.00 | 0.32 | 0.87 | 0.78 | a | 8.70 | |||||||||||
2010 | 1.36 | 0.47 | 0.40 | 1.46 | 0.72 | 0.55 | 0.21 | 0.27 | 0.05 | 1.24 | 1.24 | 2.62 | 10.59 | |||||||||||||
2011 | 0.66 | 0.64 | 1.75 | 1.29 | 0.62 | 0.23 | 0.30 | 0.00 | 0.00 | 0.54 | 0.45 | 0.44 | 6.92 | |||||||||||||
2012 | 1.36 | 0.55 | a | 1.59 | 1.00 | 0.41 | 1.10 | 0.01 | 0.07 | 0.00 | 0.56 | 1.43 | 1.67 | 9.75 | ||||||||||||
2013 | 0.44 | 0.34 | 0.70 | 1.05 | 0.86 | 1.16 | 0.00 | 0.24 | 0.17 | 0.01 | 0.34 | 0.28 | 5.59 | |||||||||||||
2014 | 0.31 | 2.34 | 1.94 | 0.20 | 1.32 | 0.39 | 0.09 | 0.92 | 0.95 | 2.21 | 1.01 | 3.24 | 14.92 | |||||||||||||
2015 | 0.40 | 1.77 | 1.35 | 0.08 | 1.46 | 0.36 | 0.52 | 0.42 | 0.08 | 1.01 | 0.68 | 2.84 | 10.97 | |||||||||||||
2016 | 2.26 | 0.27 | 1.84 | 0.69 | 0.81 | 0.82 | 0.42 | 0.00 | 0.12 | 2.48 | 0.76 | 1.51 | 11.98 | |||||||||||||
2017 | 1.37 | 1.87 | 1.87 | 0.84 | 0.29 | 0.29 | 0.98 | 0.28 | 0.09 | 0.47 | 1.45 | 0.33 | 10.13 | |||||||||||||
2018 | 0.66 | 0.25 | 1.52 | 1.69 | 1.40 | 0.39 | 0.02 | 0.00 | 0.24 | 0.41 | 0.90 | 1.62 | 9.10 | |||||||||||||
2019 | 1.49 | 2.05 | 0.82 | 1.64 | 1.62 | 0.08 | 0.07 | 0.63 | 1.87 | 0.39 | 0.11 | 1.67 | 12.44 | |||||||||||||
2020 | 1.50 | 0.12 | 0.75 | 0.23 | 1.18 | 0.18 | 0.00 | 0.25 | 0.00 | 0.06 | 1.58 | a | 0.81 | 6.66 | ||||||||||||
2021 | 0.57 | a | 1.07 | a | 0.15 | 0.69 | 0.10 | 0.07 | 0.41 | 0.00 | 0.39 | a | 2.31 | 0.64 | 0.65 | 7.05 | ||||||||||
2022 | 0.34 | 0.05 | 0.29 | 0.98 | 0.41 | 0.81 | 0.26 | 0.27 | 0.72 | 0.06 | 1.46 | 2.99 | 8.64 | |||||||||||||
2023 | 0.67 | 0.14 | 1.23 | 0.33 | 2.24 | 0.18 | 0.00 | 0.54 | 1.04 | 0.20 | 0.66 | 1.89 | 9.12 | |||||||||||||
2024 | 1.72 | 1.84 | 0.93 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.56 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.49 | 1.18 | 1.06 | 0.76 | 0.91 | 0.74 | 0.22 | 0.40 | 0.49 | 0.95 | 1.50 | 1.93 | 11.54 | |||||||||||||
S.D. | 1.01 | 0.84 | 0.69 | 0.54 | 0.67 | 0.69 | 0.32 | 0.60 | 0.62 | 0.92 | 1.02 | 1.34 | 3.12 | |||||||||||||
SKEW | 0.85 | 0.95 | 1.01 | 0.90 | 1.47 | 1.96 | 2.17 | 3.29 | 2.14 | 1.63 | 1.09 | 1.19 | 0.44 | |||||||||||||
MAX | 4.13 | 4.25 | 3.45 | 2.42 | 3.61 | 3.88 | 1.68 | 3.70 | 2.88 | 4.68 | 4.67 | 6.65 | 18.56 | |||||||||||||
MIN | 0.15 | 0.05 | 0.02 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.01 | 0.28 | 5.59 | |||||||||||||
YRS | 61 | 60 | 60 | 60 | 60 | 60 | 60 | 59 | 59 | 59 | 61 | 61 | 57 |