YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | y | 0.98 | 0.12 | 0.94 | 1.93 | 0.80 | ----- | z | |||||
1944 | 0.66 | 1.03 | 0.43 | 0.88 | 0.52 | 0.35 | 0.05 | 0.00 | 0.37 | 0.75 | 0.90 | 0.53 | 1.03 | |||||||||||||
1945 | 0.69 | 1.13 | 0.85 | 0.93 | 0.49 | 0.23 | 0.24 | 0.38 | 0.67 | 0.45 | 2.20 | 2.47 | 2.47 | |||||||||||||
1946 | 1.57 | 1.02 | 1.33 | 0.36 | 1.32 | 0.43 | 0.27 | 0.11 | 0.88 | 0.91 | 2.45 | 1.38 | 2.45 | |||||||||||||
1947 | 1.22 | 0.83 | 1.40 | 0.53 | 0.37 | 1.23 | a | 1.58 | 0.39 | 0.65 | 3.94 | 1.16 | 0.54 | 3.94 | a | |||||||||||
1948 | 2.48 | 1.74 | 0.93 | 0.43 | 0.80 | 0.78 | 0.21 | 0.27 | 0.78 | 0.57 | 1.00 | 1.48 | 2.48 | |||||||||||||
1949 | 0.70 | a | 1.35 | 0.96 | 0.26 | 0.87 | 0.57 | 0.00 | 0.11 | 0.57 | 0.84 | 1.30 | 0.92 | 1.35 | a | |||||||||||
1950 | 1.60 | 0.55 | 1.10 | 0.59 | 0.41 | 1.36 | 0.09 | 0.36 | 0.52 | 4.15 | 2.28 | 0.95 | 4.15 | |||||||||||||
1951 | 2.25 | 1.46 | 0.96 | 0.41 | 0.34 | 0.00 | 0.02 | 0.13 | 0.28 | 1.70 | 1.56 | 1.07 | 2.25 | |||||||||||||
1952 | 1.20 | 0.83 | 1.16 | 0.65 | 0.29 | 1.17 | 0.00 | 0.01 | 0.80 | 0.30 | 0.49 | 1.62 | 1.62 | |||||||||||||
1953 | 1.60 | 1.42 | 0.85 | 0.63 | 0.56 | 0.48 | 0.00 | 0.66 | 0.42 | 1.23 | 3.41 | 1.26 | 3.41 | |||||||||||||
1954 | 1.63 | 0.84 | 0.75 | 0.87 | 0.67 | 0.53 | 0.35 | 0.97 | 0.26 | 0.96 | 0.50 | a | 1.58 | 1.63 | a | |||||||||||
1955 | 0.69 | 0.46 | 0.97 | 1.02 | 0.71 | 0.37 | 0.16 | 0.00 | 0.54 | 1.95 | 2.40 | 3.08 | 3.08 | |||||||||||||
1956 | 2.62 | a | 2.52 | 1.03 | 0.78 | 0.63 | 0.62 | 0.00 | 0.24 | 0.19 | 1.98 | 0.87 | 1.20 | 2.62 | a | |||||||||||
1957 | 0.85 | 1.42 | 1.33 | 0.76 | 0.99 | 0.26 | 0.25 | 0.42 | 0.88 | 1.01 | 0.81 | 2.12 | 2.12 | |||||||||||||
1958 | 1.10 | 2.42 | 0.42 | 0.50 | 0.58 | 1.24 | 0.19 | 0.13 | 0.27 | 1.22 | 2.05 | 0.65 | 2.42 | |||||||||||||
1959 | 1.52 | 2.46 | 0.88 | 0.35 | 0.69 | 0.73 | 0.12 | 0.02 | 0.45 | 0.90 | 0.81 | 0.85 | 2.46 | |||||||||||||
1960 | 0.93 | 1.67 | 1.58 | 0.97 | 1.48 | 0.09 | 0.01 | 0.20 | 0.80 | 0.92 | 3.04 | 1.49 | 3.04 | |||||||||||||
1961 | 1.62 | 4.74 | 1.65 | 0.44 | 0.51 | 0.30 | 0.25 | 0.05 | 0.94 | 1.35 | 4.85 | 1.48 | 4.85 | |||||||||||||
1962 | 0.40 | 0.67 | 1.28 | 0.75 | 0.37 | 0.67 | 0.01 | 0.62 | 0.59 | 1.31 | 2.19 | 1.74 | 2.19 | |||||||||||||
1963 | 0.38 | 1.31 | 2.21 | 0.98 | 1.52 | 0.96 | 0.31 | 0.00 | 0.61 | 1.26 | 2.23 | 0.81 | 2.23 | |||||||||||||
1964 | 3.12 | 0.59 | 1.02 | 0.49 | 0.47 | 0.70 | 0.23 | 0.22 | 0.36 | 0.28 | 1.53 | 2.73 | 3.12 | |||||||||||||
1965 | 0.96 | 1.11 | 0.67 | 1.50 | 0.30 | 0.26 | 0.12 | 0.58 | 0.04 | 0.93 | 1.04 | 2.04 | 2.04 | |||||||||||||
1966 | 2.64 | 0.56 | 1.59 | 0.63 | 0.52 | 0.71 | 0.73 | 0.00 | 1.06 | 1.25 | 2.15 | 1.93 | 2.64 | |||||||||||||
1967 | 1.27 | 0.47 | 0.80 | 0.83 | 0.70 | 0.19 | 0.00 | 0.00 | 1.27 | 1.13 | 0.75 | 1.31 | 1.31 | |||||||||||||
1968 | 1.13 | 1.02 | 0.81 | 0.33 | 1.33 | 0.52 | 0.20 | 2.38 | 0.65 | 1.38 | 1.50 | 1.63 | 2.38 | |||||||||||||
1969 | 1.64 | 1.27 | 0.64 | 0.62 | 1.12 | 0.82 | 0.04 | 0.00 | 1.00 | 1.39 | 2.02 | 3.07 | 3.07 | |||||||||||||
1970 | 1.37 | 0.75 | 0.65 | 1.04 | 0.41 | 0.24 | 0.04 | 0.01 | 0.60 | 0.98 | 1.66 | 1.86 | 1.86 | |||||||||||||
1971 | 1.65 | 0.98 | 1.18 | 0.92 | 0.85 | 1.12 | 0.10 | 0.38 | 1.51 | 0.98 | 1.73 | 1.27 | 1.73 | |||||||||||||
1972 | 2.33 | 0.97 | 1.89 | 0.76 | 1.08 | 0.84 | 0.12 | 0.35 | 0.89 | 0.56 | 0.75 | 1.16 | 2.33 | |||||||||||||
1973 | 1.15 | 0.43 | 0.81 | 0.70 | 0.43 | 0.56 | 0.01 | 0.51 | 0.81 | 0.68 | 2.40 | 1.86 | 2.40 | |||||||||||||
1974 | 2.48 | 1.21 | 1.35 | 0.68 | 0.46 | 0.66 | 0.12 | 0.22 | 0.15 | 0.94 | 1.30 | 1.65 | 2.48 | |||||||||||||
1975 | 1.25 | 1.56 | 1.50 | 0.60 | 0.85 | 0.55 | 0.45 | 0.88 | 0.06 | 0.85 | 1.19 | 1.71 | 1.71 | |||||||||||||
1976 | 3.35 | 0.92 | 0.93 | 0.57 | 0.60 | 0.39 | 0.24 | 0.88 | 0.55 | 1.26 | 1.04 | 0.72 | 3.35 | |||||||||||||
1977 | 0.37 | 0.80 | 0.80 | 0.43 | 0.55 | 0.27 | 0.13 | 1.61 | 0.73 | 0.82 | 1.48 | 2.05 | 2.05 | |||||||||||||
1978 | 0.82 | 1.83 | 0.52 | 0.71 | 0.53 | 0.34 | 0.40 | 0.63 | 0.93 | 0.33 | 1.20 | 1.15 | 1.83 | |||||||||||||
1979 | 1.94 | 1.30 | 0.59 | 0.95 | 1.03 | 0.46 | 0.23 | 0.62 | 1.02 | 1.35 | 0.97 | 1.17 | 1.94 | |||||||||||||
1980 | 2.52 | 0.81 | 1.32 | 1.35 | 0.95 | 0.49 | 0.48 | 0.02 | 0.20 | 0.51 | 1.44 | 3.10 | 3.10 | |||||||||||||
1981 | 0.42 | 0.77 | 0.75 | 0.78 | 0.74 | 1.30 | 0.08 | 0.02 | 2.25 | 0.96 | 1.52 | 4.76 | 4.76 | |||||||||||||
1982 | 2.10 | 1.75 | 0.75 | 0.95 | 0.34 | 0.67 | 0.22 | 0.39 | 0.80 | 2.70 | 0.85 | 1.30 | 2.70 | |||||||||||||
1983 | 0.88 | 2.46 | 1.80 | 0.62 | 0.50 | 0.49 | 0.53 | 0.87 | 0.39 | 0.60 | 1.53 | 0.85 | 2.46 | |||||||||||||
1984 | 0.45 | 3.67 | 0.76 | 1.51 | 0.71 | 0.73 | 0.08 | 0.15 | 0.49 | a | 0.95 | 2.17 | 0.53 | 3.67 | a | |||||||||||
1985 | 0.30 | 0.96 | 0.94 | 0.70 | 0.86 | 0.84 | 0.09 | 0.45 | 0.56 | 1.22 | 0.65 | 0.78 | 1.22 | |||||||||||||
1986 | 1.20 | 1.76 | 0.98 | 0.41 | 0.86 | 0.35 | 0.40 | 0.00 | 0.90 | 1.06 | 1.98 | 0.51 | 1.98 | |||||||||||||
1987 | 1.03 | 1.46 | 0.52 | 0.51 | 0.51 | a | 0.18 | 2.11 | 0.06 | 0.08 | 0.08 | 1.10 | 1.77 | 2.11 | a | |||||||||||
1988 | 2.50 | 0.53 | 1.45 | 0.98 | 0.74 | 0.84 | 0.11 | 0.01 | 0.61 | 0.20 | 1.94 | 0.85 | 2.50 | |||||||||||||
1989 | 2.12 | 0.64 | 0.90 | 0.75 | 0.90 | 0.60 | 0.29 | 0.89 | 0.24 | 1.12 | 1.00 | 0.63 | 2.12 | |||||||||||||
1990 | 1.98 | 0.70 | 0.78 | 1.74 | 0.82 | 0.38 | 0.43 | 0.82 | 0.37 | 1.88 | 1.26 | 1.26 | 1.98 | |||||||||||||
1991 | 1.30 | 1.21 | 1.35 | 0.56 | 2.46 | 0.65 | 0.33 | 0.25 | 0.22 | 1.41 | 1.64 | 1.15 | 2.46 | |||||||||||||
1992 | 0.86 | 0.82 | 0.52 | 2.49 | 0.42 | 1.12 | 0.55 | 0.09 | 0.75 | 1.02 | 1.20 | 1.45 | 2.49 | |||||||||||||
1993 | 1.41 | 0.82 | 1.13 | 1.00 | 1.13 | 1.10 | 0.73 | 0.86 | a | 0.01 | 0.21 | 0.44 | 1.30 | 1.41 | a | |||||||||||
1994 | 0.67 | 0.82 | 1.50 | 0.61 | 0.87 | 0.41 | 0.17 | 0.00 | 0.53 | 1.46 | 1.90 | 1.33 | 1.90 | |||||||||||||
1995 | 2.58 | 1.41 | 0.73 | 0.71 | 1.15 | 1.38 | 0.35 | 0.18 | 0.56 | 0.80 | 1.35 | 1.45 | 2.58 | |||||||||||||
1996 | 1.80 | b | 1.66 | 0.63 | 1.47 | 1.26 | 0.40 | 0.46 | 0.02 | 1.16 | 1.74 | 5.72 | 2.30 | 5.72 | b | |||||||||||
1997 | 1.41 | 1.06 | 1.80 | 0.85 | a | 0.86 | 0.32 | 0.32 | 0.83 | 1.00 | 1.85 | b | 0.55 | 1.40 | 1.85 | c | ||||||||||
1998 | 0.91 | 1.66 | 1.35 | 0.58 | 1.36 | 0.43 | 0.07 | 0.00 | 0.25 | 0.79 | b | 3.97 | 3.57 | 3.97 | b | |||||||||||
1999 | 1.77 | b | 1.43 | 0.90 | b | 0.38 | 0.57 | 0.27 | 0.02 | 0.83 | 0.03 | 1.33 | a | 1.77 | a | 0.93 | 1.77 | f | ||||||||
2000 | 2.23 | a | 0.79 | 0.57 | a | 1.19 | 0.62 | 0.24 | 0.11 | 0.00 | 0.59 | a | 1.30 | a | 0.49 | a | 1.56 | a | 2.23 | f | ||||||
2001 | 0.42 | 0.45 | c | 0.66 | b | 0.74 | d | 1.11 | b | 0.47 | 0.63 | 0.70 | 0.25 | a | 1.20 | b | 2.40 | b | 1.49 | e | 2.40 | u | ||||
2002 | 2.04 | e | 1.08 | a | 0.96 | a | 1.62 | 0.69 | 0.37 | 0.00 | 0.11 | 0.99 | a | 0.59 | 1.43 | a | 3.51 | h | 3.51 | q | ||||||
2003 | 2.50 | b | 1.42 | a | 1.15 | b | 1.25 | 0.60 | b | 0.09 | 0.00 | 0.13 | 0.80 | 0.46 | 1.42 | b | 4.60 | c | 4.60 | l | ||||||
2004 | 0.91 | b | 1.20 | 0.62 | 0.69 | 1.30 | a | 0.74 | 0.13 | 0.61 | 0.65 | 1.15 | a | 1.16 | 2.50 | b | 2.50 | f | ||||||||
2005 | 0.81 | e | 1.19 | d | 1.20 | d | 0.60 | e | 1.14 | f | 0.38 | c | 0.13 | 0.12 | 0.42 | d | 1.25 | e | 1.75 | g | 1.47 | m | ----- | z | ||
2006 | 2.37 | e | 1.33 | c | 0.92 | g | 0.99 | g | 1.00 | c | 1.02 | e | 0.05 | a | 0.00 | 0.63 | e | 0.56 | b | 2.25 | a | 3.28 | m | ----- | z | |
2007 | 0.70 | t | 1.30 | c | 1.30 | e | 0.95 | c | 0.27 | c | 0.34 | 0.28 | 0.40 | 0.05 | 1.60 | 2.72 | b | 1.40 | t | ----- | z | |||||
2008 | 1.85 | i | 0.83 | d | ----- | z | ----- | z | 0.50 | 0.34 | ----- | z | 0.32 | 0.29 | b | 1.60 | b | 0.65 | a | 2.02 | b | ----- | z | |||
2009 | 0.80 | d | 1.28 | d | 2.90 | c | 0.79 | e | 0.83 | 0.60 | 0.12 | 0.05 | 0.43 | 0.71 | e | 1.35 | 0.61 | a | 2.90 | v | ||||||
2010 | 1.32 | b | 1.11 | 1.25 | g | 1.15 | l | 0.58 | c | 1.25 | 0.02 | a | 0.42 | 0.78 | 2.10 | e | 1.58 | i | 1.30 | f | ----- | z | ||||
2011 | 1.74 | d | 1.74 | f | 0.92 | f | 1.24 | d | 0.79 | a | 0.42 | b | 1.18 | 0.00 | 0.52 | 0.82 | 0.84 | l | 1.93 | b | ----- | z | ||||
2012 | 2.16 | 1.20 | g | 2.10 | e | 2.01 | g | 1.05 | h | 0.72 | b | 0.20 | 0.02 | 0.00 | e | 1.43 | o | 1.68 | i | 2.06 | g | ----- | z | |||
2013 | 1.05 | h | 0.92 | e | 0.80 | h | 1.12 | i | 0.66 | b | 0.40 | 0.00 | 0.80 | a | 1.45 | 0.27 | e | 0.81 | f | 0.27 | m | ----- | z | |||
2014 | 1.10 | a | 2.50 | h | 1.80 | e | 0.61 | i | 0.82 | b | 0.61 | 0.40 | 0.10 | 1.76 | 1.86 | b | 1.90 | d | 2.40 | f | ----- | z | ||||
2015 | 0.95 | h | 1.65 | c | 1.38 | d | 0.60 | b | 0.80 | b | 0.43 | 0.01 | 0.25 | 0.50 | 3.50 | a | 1.72 | f | 2.20 | h | ----- | z | ||||
2016 | 1.75 | f | 0.70 | 2.15 | d | 0.90 | e | 1.05 | b | 0.33 | b | 0.37 | 0.00 | 0.16 | e | 2.30 | k | 0.82 | n | 2.25 | e | ----- | z | |||
2017 | 1.60 | l | 2.40 | e | 1.79 | d | 1.32 | h | ----- | z | 1.30 | 0.07 | 0.00 | 1.24 | c | 2.04 | e | 2.00 | g | 1.50 | f | ----- | z | |||
2018 | 0.95 | h | 1.31 | f | 1.38 | f | 1.68 | e | 0.31 | a | 1.06 | 0.00 | 0.10 | 0.09 | 1.56 | b | 1.58 | 1.50 | h | ----- | z | |||||
2019 | 2.44 | l | 2.40 | q | 1.65 | g | 2.40 | d | 0.81 | d | 0.25 | 0.19 | 0.61 | 1.45 | 0.54 | 0.68 | 1.67 | ----- | z | |||||||
2020 | 2.00 | 0.80 | 1.33 | 1.17 | c | 1.00 | 0.86 | 0.01 | 0.00 | 1.36 | 1.10 | 2.27 | 1.45 | 2.27 | c | |||||||||||
2021 | 1.76 | b | 1.70 | 1.16 | 0.22 | 0.95 | 0.73 | 0.00 | 0.12 | 0.89 | 1.37 | 1.23 | 2.00 | 2.00 | b | |||||||||||
2022 | 1.60 | 0.39 | 1.24 | 2.05 | h | 1.21 | 1.39 | c | 0.21 | 0.01 | 0.17 | 0.80 | 1.49 | 2.20 | 2.20 | k | ||||||||||
2023 | 1.23 | 0.32 | 1.32 | 2.00 | 0.52 | 0.17 | 0.00 | 0.02 | 0.53 | 0.95 | 2.03 | 2.10 | 2.10 | |||||||||||||
2024 | 1.45 | i | 1.05 | 1.02 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.48 | 1.24 | 1.13 | 0.86 | 0.78 | 0.61 | 0.24 | 0.33 | 0.62 | 1.18 | 1.65 | 1.61 | 2.51 | |||||||||||||
S.D. | 0.72 | 0.71 | 0.47 | 0.46 | 0.36 | 0.35 | 0.34 | 0.41 | 0.43 | 0.74 | 0.94 | 0.86 | 0.91 | |||||||||||||
SKEW | 0.38 | 2.25 | 1.07 | 1.56 | 1.53 | 0.69 | 3.30 | 2.13 | 1.02 | 1.90 | 1.86 | 1.53 | 1.35 | |||||||||||||
MAX | 3.35 | 4.74 | 2.90 | 2.49 | 2.46 | 1.39 | 2.11 | 2.38 | 2.25 | 4.15 | 5.72 | 4.76 | 5.72 | |||||||||||||
MIN | 0.30 | 0.32 | 0.42 | 0.22 | 0.27 | 0.00 | 0.00 | 0.00 | 0.00 | 0.08 | 0.44 | 0.51 | 1.03 | |||||||||||||
YRS | 72 | 76 | 74 | 72 | 77 | 80 | 79 | 81 | 81 | 79 | 73 | 70 | 58 |