YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | 1.17 | d | 0.67 | 1.49 | 0.48 | 0.42 | 0.00 | b | 3.41 | b | 6.18 | k | 3.09 | b | 10.73 | d | ||||
1951 | 6.99 | 3.55 | d | 2.19 | 0.12 | 2.47 | 1.21 | b | 0.52 | 1.46 | 0.49 | ----- | z | ----- | z | ----- | z | 19.00 | c | |||||||
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
1965 | 5.17 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 5.17 | k |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 2.01 | 1.45 | 2.61 | ----- | z | 6.07 | h | ||||
1967 | ----- | z | ----- | z | 2.52 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.52 | k | |
1968 | 4.24 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | 1.16 | ----- | z | ----- | z | 2.01 | 6.60 | 14.01 | g | |||||
1969 | 3.22 | a | 1.64 | 0.35 | 1.07 | 0.21 | 1.04 | 0.03 | 0.14 | 1.74 | 0.34 | 0.56 | a | 3.59 | 13.93 | |||||||||||
1970 | 5.62 | 1.13 | 0.58 | 1.24 | 0.60 | 0.18 | 0.14 | 0.20 | 1.13 | 1.02 | 3.41 | 6.23 | 21.48 | |||||||||||||
1971 | 6.76 | 1.42 | 2.82 | 1.01 | 0.50 | 1.80 | 0.00 | 0.29 | 1.22 | 0.57 | 2.55 | 4.42 | 23.36 | |||||||||||||
1972 | 6.98 | d | 6.73 | 4.58 | 0.42 | 1.47 | 1.98 | 0.67 | 1.58 | 1.72 | a | 0.22 | 2.14 | a | 4.92 | 33.41 | ||||||||||
1973 | 2.74 | 0.76 | 0.59 | 0.00 | 0.38 | 0.38 | 0.02 | 0.14 | 1.35 | 1.44 | 4.10 | c | ----- | z | 11.90 | a | ||||||||||
1974 | 8.39 | 2.16 | 1.86 | 1.28 | 0.26 | 0.27 | 1.54 | 0.10 | 0.05 | 0.46 | 2.74 | e | 4.91 | 24.02 | ||||||||||||
1975 | 3.27 | 3.30 | a | 1.53 | 1.26 | 1.07 | 0.33 | 0.30 | 1.52 | 0.00 | 2.95 | 2.54 | b | 7.03 | 25.10 | |||||||||||
1976 | 3.51 | 2.33 | 0.60 | 0.55 | 0.54 | 0.08 | 0.11 | 3.08 | 0.00 | 0.40 | 0.64 | 0.99 | 12.83 | |||||||||||||
1977 | 0.43 | 1.69 | 1.09 | 0.37 | 1.60 | 0.28 | 0.26 | 0.89 | 1.18 | 0.66 | 5.83 | 6.72 | 21.00 | |||||||||||||
1978 | 2.34 | 2.24 | 1.64 | 2.46 | 0.42 | 0.99 | 1.55 | 0.98 | 2.42 | 0.31 | 1.77 | 1.99 | 19.11 | |||||||||||||
1979 | 0.77 | 3.54 | 0.36 | 0.69 | 0.20 | 0.48 | 0.43 | 2.32 | 1.45 | 2.33 | 1.20 | 8.17 | 21.94 | |||||||||||||
1980 | 4.19 | 3.05 | 0.73 | 1.04 | 2.03 | 1.72 | 0.62 | 0.41 | 1.21 | 0.10 | 3.88 | 4.95 | 23.93 | |||||||||||||
1981 | 1.16 | 3.66 | 0.55 | 0.47 | 1.94 | 0.37 | 1.03 | 0.18 | 1.20 | 2.81 | 3.57 | 5.23 | 22.17 | |||||||||||||
1982 | 5.15 | a | 3.04 | 1.85 | 0.35 | 0.97 | 1.33 | 2.05 | 1.04 | 1.31 | 1.58 | 1.86 | 5.57 | a | 26.10 | |||||||||||
1983 | 7.74 | 3.33 | 2.69 | 1.15 | 0.22 | 1.01 | 1.38 | 1.53 | 1.51 | 0.46 | 6.95 | 1.76 | 29.73 | |||||||||||||
1984 | 2.14 | 1.58 | 2.12 | 0.84 | 1.23 | 1.92 | 0.04 | 0.90 | 0.23 | 2.41 | 3.99 | 2.25 | 19.65 | |||||||||||||
1985 | 0.72 | 1.63 | 1.14 | 0.57 | a | 0.95 | 0.59 | 1.25 | 0.00 | 2.44 | 3.85 | 1.06 | a | 0.68 | 14.88 | |||||||||||
1986 | 4.45 | 3.02 | 1.65 | 0.68 | b | 0.29 | 0.31 | 0.67 | 0.07 | 0.93 | 0.79 | 4.28 | 1.72 | 18.86 | ||||||||||||
1987 | 3.11 | 2.33 | 2.04 | 0.92 | 0.97 | 0.86 | a | 1.76 | 0.02 | 0.02 | 0.01 | 0.84 | 7.05 | 19.93 | ||||||||||||
1988 | 2.08 | 0.52 | 2.19 | 2.05 | 0.82 | 1.25 | 0.30 | 0.24 | 0.87 | 0.90 | 4.72 | 2.19 | 18.13 | |||||||||||||
1989 | 2.07 | 1.77 | 2.26 | 1.90 | 1.55 | 0.15 | 0.55 | 0.63 | 0.34 | 1.60 | 1.27 | 1.86 | 15.95 | |||||||||||||
1990 | 6.51 | 1.68 | 0.84 | 0.58 | 2.36 | 1.09 | 1.01 | 1.50 | 0.06 | 2.32 | 7.96 | 3.85 | 29.76 | |||||||||||||
1991 | 2.59 | 2.67 | 1.91 | 1.66 | 1.51 | 1.40 | 0.22 | 0.84 | 0.05 | 0.47 | 5.28 | 3.20 | 21.80 | |||||||||||||
1992 | 3.84 | 1.96 | 0.42 | 0.47 | 0.01 | 3.66 | 1.82 | 0.57 | 0.33 | 0.84 | 2.66 | 2.32 | 18.90 | |||||||||||||
1993 | 2.15 | 0.26 | 0.89 | 1.62 | 1.59 | 2.21 | 2.38 | 0.93 | 0.37 | 0.74 | 0.71 | 3.89 | 17.74 | |||||||||||||
1994 | 1.94 | 2.57 | 1.16 | 2.29 | 0.43 | 0.92 | 0.40 | 1.27 | 0.17 | 4.52 | 4.37 | 4.18 | 24.22 | |||||||||||||
1995 | 4.84 | 3.72 | 3.96 | 0.89 | 1.39 | 0.95 | 0.33 | 0.72 | 0.61 | 1.76 | 8.62 | 4.20 | 31.99 | |||||||||||||
1996 | 2.98 | 5.61 | 0.44 | 2.28 | 0.98 | 0.93 | 0.44 | 0.01 | 1.38 | 2.50 | 3.24 | 8.58 | 29.37 | |||||||||||||
1997 | 4.39 | 1.20 | 3.68 | 0.92 | 1.21 | 2.98 | 0.82 | 0.38 | 1.50 | 4.60 | 1.82 | 1.98 | a | 25.48 | ||||||||||||
1998 | 5.34 | 3.86 | 1.33 | 1.96 | 3.16 | 0.87 | 1.85 | 0.58 | 0.13 | 0.36 | 5.56 | 6.72 | b | 31.72 | ||||||||||||
1999 | 5.12 | 5.60 | 2.28 | 0.05 | 0.60 | 0.23 | 0.42 | 1.06 | 0.22 | 1.27 | 6.18 | 3.12 | a | 26.15 | ||||||||||||
2000 | 3.04 | 3.49 | 1.10 | 0.24 | 0.84 | 0.43 | 0.88 | 0.05 | 0.72 | 1.05 | 1.64 | 2.17 | 15.65 | |||||||||||||
2001 | 1.47 | 1.10 | 1.22 | 0.56 | 0.41 | 0.93 | 0.35 | 0.26 | 0.43 | 2.53 | 3.70 | 4.42 | 17.38 | |||||||||||||
2002 | 3.13 | 2.83 | 2.63 | 0.76 | 0.80 | 0.22 | 0.60 | 0.31 | 0.08 | 0.02 | 1.51 | 5.82 | 18.71 | |||||||||||||
2003 | 5.60 | 0.71 | 2.67 | 3.17 | 0.12 | 0.12 | 0.00 | 0.03 | 0.12 | 6.17 | 6.05 | 3.27 | 28.03 | |||||||||||||
2004 | 1.53 | 1.17 | 1.56 | 0.29 | 0.96 | 1.19 | 0.12 | 1.83 | 0.97 | 1.82 | 1.06 | 3.19 | 15.69 | |||||||||||||
2005 | 2.35 | 0.17 | 1.56 | 1.07 | 1.38 | 1.62 | 0.25 | 0.09 | 0.49 | 1.63 | 2.69 | 3.77 | 17.07 | |||||||||||||
2006 | 7.15 | 2.71 | 2.28 | 0.73 | 0.87 | 1.17 | 0.58 | a | 0.01 | 1.22 | 0.04 | 4.90 | w | 8.04 | 24.80 | a | ||||||||||
2007 | 5.84 | 0.34 | a | 0.00 | y | 0.02 | s | 0.13 | 0.30 | y | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 6.31 | i | ||
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.11 | l | 2.48 | 2.48 | k | |
2009 | 4.41 | 0.51 | 1.01 | 0.32 | 0.90 | 0.44 | 0.89 | 0.44 | 0.41 | 2.81 | 2.80 | 1.07 | 16.01 | |||||||||||||
2010 | 4.10 | b | 1.90 | d | 0.93 | d | 2.01 | c | 2.96 | a | 0.97 | 0.04 | 0.91 | 1.30 | 1.15 | a | 2.87 | 4.25 | 23.39 | |||||||
2011 | 3.18 | 2.35 | 5.24 | 0.75 | 1.49 | b | 0.68 | b | 0.19 | 0.00 | 0.55 | 1.03 | g | 3.38 | 2.53 | 20.34 | a | |||||||||
2012 | 4.58 | 1.27 | 3.26 | 0.51 | 0.07 | 2.05 | 1.38 | k | 0.22 | 0.04 | 3.37 | 4.47 | 5.22 | 25.06 | a | |||||||||||
2013 | 1.62 | 0.62 | 0.92 | 1.24 | 1.55 | 1.16 | 1.37 | 1.78 | 3.35 | 0.19 | 1.88 | 1.42 | 17.10 | |||||||||||||
2014 | 1.90 | 6.96 | 3.69 | 0.68 | 0.19 | 0.57 | 0.51 | e | 1.76 | 0.60 | 2.45 | 6.15 | 3.69 | 29.15 | ||||||||||||
2015 | 2.84 | 2.01 | 1.57 | 0.09 | 0.80 | 0.63 | 0.31 | 0.18 | 0.25 | 1.93 | 5.94 | 7.32 | 23.87 | |||||||||||||
2016 | 4.18 | a | 1.87 | 3.92 | 0.67 | 0.34 | 0.87 | 1.72 | 0.00 | 0.46 | 5.22 | 3.39 | 2.83 | 25.47 | ||||||||||||
2017 | 2.47 | 3.25 | 3.11 | 2.45 | 1.39 | 0.20 | 0.00 | 0.03 | 0.12 | 3.50 | 4.31 | 2.87 | 23.70 | |||||||||||||
2018 | 4.43 | 1.65 | 3.03 | 2.17 | 0.66 | 0.65 | 0.09 | 0.06 | 0.60 | 1.85 | 1.07 | 4.03 | 20.29 | |||||||||||||
2019 | 2.91 | 1.19 | 0.93 | 0.93 | 2.07 | 0.66 | 0.61 | 0.29 | 3.95 | 1.53 | 0.95 | 2.74 | 18.76 | |||||||||||||
2020 | 5.09 | 3.70 | 0.37 | 0.30 | 1.70 | 0.77 | 0.00 | 0.04 | 1.32 | 3.27 | 4.71 | 3.29 | 24.56 | |||||||||||||
2021 | 4.97 | 2.12 | 0.22 | 0.09 | 0.19 | 0.44 | 0.45 | 0.62 | 0.70 | 3.76 | 4.26 | 4.33 | 22.15 | |||||||||||||
2022 | 3.75 | 1.42 | 1.32 | 1.08 | 0.91 | 1.44 | 1.12 | 0.84 | 1.13 | 0.77 | 3.21 | 5.71 | 22.70 | |||||||||||||
2023 | 3.29 | 0.83 | 1.29 | 0.85 | 1.78 | 0.42 | 0.99 | 0.61 | 0.96 | 1.61 | 3.53 | 2.90 | 19.06 | |||||||||||||
2024 | 3.19 | 2.06 | 1.08 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 6.33 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 3.79 | 2.32 | 1.78 | 1.01 | 1.02 | 0.96 | 0.66 | 0.66 | 0.88 | 1.78 | 3.34 | 4.02 | 22.07 | |||||||||||||
S.D. | 1.85 | 1.49 | 1.16 | 0.72 | 0.74 | 0.72 | 0.61 | 0.68 | 0.83 | 1.45 | 1.93 | 1.97 | 5.02 | |||||||||||||
SKEW | 0.43 | 1.16 | 0.91 | 0.93 | 0.86 | 1.45 | 1.00 | 1.28 | 1.48 | 0.94 | 0.65 | 0.51 | 0.35 | |||||||||||||
MAX | 8.39 | 6.96 | 5.24 | 3.17 | 3.16 | 3.66 | 2.38 | 3.08 | 3.95 | 6.17 | 8.62 | 8.58 | 33.41 | |||||||||||||
MIN | 0.43 | 0.17 | 0.22 | 0.00 | 0.01 | 0.08 | 0.00 | 0.00 | 0.00 | 0.01 | 0.56 | 0.68 | 12.83 | |||||||||||||
YRS | 58 | 56 | 56 | 55 | 56 | 55 | 55 | 57 | 56 | 54 | 54 | 55 | 49 |