YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | 0.82 | t | 1.70 | 0.14 | 1.45 | 1.12 | 1.54 | 2.35 | 2.28 | ----- | z | |||||||
1972 | 2.40 | 1.23 | 2.25 | a | 1.43 | 0.55 | 0.60 | 0.31 | 0.24 | 1.25 | 0.54 | 0.94 | 1.74 | 2.40 | a | |||||||||||
1973 | 1.42 | 1.20 | 1.45 | 0.67 | 1.09 | 0.95 | 0.03 | 0.64 | 1.00 | 0.79 | 2.01 | 2.72 | 2.72 | |||||||||||||
1974 | 2.71 | 1.96 | 3.00 | 0.73 | 1.24 | 1.03 | 1.25 | 0.03 | 0.43 | 0.47 | 2.80 | 1.80 | 3.00 | |||||||||||||
1975 | 1.84 | 1.96 | 1.30 | 1.22 | 1.25 | 0.32 | 0.28 | 0.70 | 0.00 | 1.26 | 3.40 | 3.78 | 3.78 | |||||||||||||
1976 | 3.70 | 1.47 | 1.37 | 0.61 | 0.32 | 0.17 | 0.79 | 0.72 | 0.96 | 0.82 | 0.97 | 0.95 | 3.70 | |||||||||||||
1977 | 0.34 | 1.04 | 1.46 | 0.36 | 0.58 | 0.30 | 0.06 | 1.24 | 1.25 | 1.34 | 2.35 | 1.49 | 2.35 | |||||||||||||
1978 | 2.70 | 1.39 | a | 0.71 | 1.55 | 2.16 | 0.60 | 0.45 | 0.80 | 0.98 | 0.50 | 1.49 | 2.40 | 2.70 | a | |||||||||||
1979 | 1.28 | 2.12 | 1.06 | 0.65 | 1.51 | 0.44 | 0.36 | 0.75 | 1.31 | 3.62 | 1.34 | 2.73 | 3.62 | |||||||||||||
1980 | 1.71 | 1.08 | 1.62 | 1.21 | 0.46 | 0.55 | 0.22 | 0.12 | 0.64 | 1.70 | 1.75 | 3.03 | 3.03 | |||||||||||||
1981 | 0.82 | 1.40 | 1.48 | 0.89 | 0.72 | 1.17 | 0.04 | 0.13 | 1.57 | 2.10 | 1.76 | 2.82 | 2.82 | |||||||||||||
1982 | 3.02 | 2.17 | 1.39 | 1.75 | 0.24 | 0.60 | 0.58 | 0.80 | 0.69 | 1.14 | 1.18 | 2.05 | 3.02 | |||||||||||||
1983 | 2.64 | 2.31 | 1.90 | 0.61 | 1.32 | 1.00 | 1.65 | 0.99 | 0.17 | 1.31 | 1.77 | 3.16 | 3.16 | |||||||||||||
1984 | 0.73 | 2.27 | 1.30 | 1.12 | 1.80 | 1.15 | 0.04 | 0.29 | 0.48 | 2.14 | 2.66 | 1.10 | 2.66 | |||||||||||||
1985 | 0.32 | 1.77 | 1.65 | 0.50 | 0.66 | 2.70 | 0.68 | 0.05 | 0.90 | 1.82 | 1.49 | 1.29 | 2.70 | |||||||||||||
1986 | 1.22 | 3.15 | 1.27 | 1.05 | 0.90 | 0.30 | 0.72 | 0.06 | 1.03 | 1.40 | 1.72 | 1.00 | 3.15 | |||||||||||||
1987 | 1.15 | 1.46 | 2.27 | 0.73 | 0.76 | 0.35 | 0.77 | 0.22 | 0.20 | 0.45 | 1.45 | 3.65 | 3.65 | |||||||||||||
1988 | 2.34 | 0.92 | 1.23 | 0.86 | 1.22 | 0.95 | 0.32 | 0.03 | 1.01 | 0.19 | 1.69 | 1.16 | 2.34 | |||||||||||||
1989 | 2.05 | 1.21 | a | 1.85 | 0.76 | 1.14 | 0.43 | 0.57 | 1.53 | a | 0.46 | 1.84 | 1.82 | a | 1.38 | 2.05 | c | |||||||||
1990 | 2.02 | 1.73 | 1.38 | 3.48 | 0.87 | 1.52 | 0.21 | a | 0.42 | 0.12 | 2.53 | 2.65 | 0.85 | 3.48 | a | |||||||||||
1991 | 1.69 | 1.59 | 1.61 | 2.40 | b | 1.61 | 0.22 | 0.23 | 1.84 | a | 0.01 | 0.95 | a | 2.60 | a | 2.08 | 2.60 | e | ||||||||
1992 | 1.63 | a | 1.58 | 0.51 | 2.00 | a | 0.14 | 0.34 | c | 0.15 | 0.29 | 0.32 | 1.38 | 1.47 | 2.24 | 2.24 | e | |||||||||
1993 | 1.55 | 1.43 | 2.05 | b | 1.43 | 0.70 | 2.20 | 1.78 | a | 0.16 | a | 0.05 | 0.64 | a | 0.43 | a | 2.10 | a | 2.20 | g | ||||||
1994 | 1.32 | 1.17 | 0.94 | 0.69 | c | 0.57 | 0.96 | a | 0.12 | 0.08 | 0.82 | 3.30 | a | 2.02 | c | 1.72 | c | 3.30 | k | |||||||
1995 | 3.26 | 1.82 | 2.49 | 1.42 | b | 1.41 | h | 1.46 | a | 0.13 | 0.23 | b | 1.46 | e | 2.24 | a | 1.80 | 2.93 | m | ----- | z | |||||
1996 | 1.82 | f | 3.44 | d | 1.65 | a | 1.60 | d | 2.17 | s | 0.61 | 0.81 | 0.20 | a | 1.62 | a | 1.95 | 4.43 | c | 4.39 | b | ----- | z | |||
1997 | 2.37 | 0.85 | b | 2.40 | a | 1.10 | a | 0.55 | ----- | z | 1.02 | 0.87 | a | 2.30 | e | 1.55 | 2.50 | d | 1.42 | c | ----- | z | ||||
1998 | 2.60 | c | 2.42 | 4.30 | a | 0.96 | 1.21 | b | 1.52 | a | 0.10 | 0.00 | 0.90 | 0.86 | c | 2.83 | 4.00 | c | 4.30 | m | ||||||
1999 | 2.80 | e | 2.46 | i | 2.10 | d | 0.92 | k | 2.00 | l | 1.02 | c | 0.50 | 1.03 | b | 0.40 | d | 1.00 | c | 2.02 | h | 2.25 | b | ----- | z | |
2000 | 4.60 | i | 2.28 | h | 1.15 | d | 0.77 | g | 0.86 | b | 1.80 | c | 0.10 | b | 0.20 | 1.05 | f | 1.45 | e | 1.17 | n | 2.00 | c | ----- | z | |
2001 | 0.85 | a | 1.10 | e | 0.75 | a | 0.77 | a | 0.96 | d | 1.37 | e | 0.39 | 1.02 | b | 0.41 | e | 1.60 | b | 1.10 | b | 1.71 | c | ----- | z | |
2002 | 2.40 | g | 1.78 | d | 1.94 | a | 1.05 | a | 1.00 | d | 1.10 | h | 0.08 | d | 0.11 | c | 1.25 | j | 0.29 | a | 1.25 | f | 2.50 | b | ----- | z |
2003 | 2.50 | e | 0.90 | c | 2.50 | j | 1.60 | a | 1.05 | b | 0.20 | a | 0.00 | 0.25 | 0.83 | a | 0.56 | d | 2.40 | d | 2.15 | b | ----- | z | ||
2004 | 2.42 | b | 1.52 | 1.47 | d | 1.12 | 0.47 | a | 1.24 | d | 0.03 | 1.46 | a | 2.10 | b | 1.13 | 0.99 | a | 1.95 | c | 2.42 | r | ||||
2005 | 1.54 | c | 1.22 | d | 2.38 | h | 0.81 | g | 1.64 | e | 1.66 | h | 0.42 | a | 0.10 | 0.90 | 1.57 | j | 2.50 | a | 2.32 | ----- | z | |||
2006 | 2.86 | 2.00 | a | 2.10 | h | 2.20 | o | ----- | z | 1.50 | m | ----- | z | 0.00 | 0.60 | 0.64 | 2.15 | 2.24 | ----- | z | ||||||
2007 | 2.17 | 1.66 | 1.32 | a | 0.80 | 0.82 | 0.07 | d | 0.30 | b | 0.68 | c | 1.67 | 1.95 | a | 2.40 | 2.40 | 2.40 | k | |||||||
2008 | 2.26 | 1.95 | h | 1.46 | 1.25 | d | 0.65 | 1.07 | 0.20 | 1.00 | 0.43 | 1.10 | 1.84 | 1.20 | 2.26 | l | ||||||||||
2009 | 1.51 | 1.08 | 1.41 | 1.12 | 0.94 | 0.45 | 0.16 | 0.62 | 1.21 | 1.00 | 1.24 | 2.05 | 2.05 | |||||||||||||
2010 | 1.94 | 1.76 | 1.55 | 1.78 | 1.62 | 1.94 | 0.00 | 1.15 | 1.14 | 1.80 | 1.55 | 1.96 | 1.96 | |||||||||||||
2011 | 3.60 | 1.20 | 1.02 | b | 0.75 | c | 0.86 | 0.91 | b | 0.22 | c | 0.05 | 0.32 | 1.22 | a | 1.92 | 2.00 | 3.60 | k | |||||||
2012 | 2.53 | f | 1.15 | f | 2.24 | 1.00 | g | 1.28 | 0.70 | a | 0.00 | 1.07 | 0.02 | 2.50 | b | 2.82 | a | 2.28 | b | 2.82 | y | |||||
2013 | 0.78 | 1.16 | 0.98 | 1.50 | 1.00 | 1.10 | b | 0.00 | 0.46 | a | 1.85 | 0.30 | 1.27 | a | 1.28 | 1.85 | d | |||||||||
2014 | 1.60 | 2.03 | 1.90 | 1.35 | 1.00 | 0.49 | 0.91 | 0.18 | 1.78 | 2.60 | e | 1.75 | 2.90 | 2.90 | e | |||||||||||
2015 | 1.20 | 2.32 | 2.20 | a | 0.65 | 0.65 | 0.49 | 0.05 | 0.51 | 0.82 | 1.10 | a | 1.52 | 2.66 | 2.66 | b | ||||||||||
2016 | 2.20 | 1.41 | 2.56 | 0.91 | a | 0.33 | 0.38 | 1.40 | 0.05 | 0.62 | 2.64 | c | 2.00 | 2.00 | 2.64 | d | ||||||||||
2017 | 2.33 | a | 2.30 | a | 1.86 | e | 1.12 | a | 2.00 | b | 2.25 | a | 0.03 | 0.16 | 0.60 | a | 2.02 | 2.06 | b | 1.20 | 2.33 | n | ||||
2018 | 2.30 | 0.93 | 1.45 | a | 1.56 | 0.11 | 1.30 | a | 0.00 | 0.27 | 0.21 | 0.94 | a | 1.57 | 1.57 | 2.30 | c | |||||||||
2019 | 1.47 | 2.22 | 0.73 | a | 1.99 | 0.84 | a | 0.30 | 0.30 | 0.17 | a | 2.01 | b | 0.70 | 1.38 | 2.31 | 2.31 | e | ||||||||
2020 | 1.28 | 1.92 | 0.85 | 1.51 | 1.37 | 0.85 | b | 0.07 | a | 0.25 | a | 0.60 | 1.10 | 1.16 | a | 2.05 | 2.05 | e | ||||||||
2021 | 2.02 | 1.42 | 0.81 | a | 0.77 | 1.33 | b | 1.62 | 0.50 | b | 0.02 | a | 1.57 | b | 0.82 | 1.67 | 2.27 | 2.27 | h | |||||||
2022 | 2.17 | 1.75 | 1.88 | 1.18 | 1.55 | b | 2.41 | d | 0.10 | 0.08 | e | 0.02 | 1.24 | d | 1.76 | b | 2.30 | a | 2.41 | r | ||||||
2023 | 1.95 | 2.24 | a | 1.87 | 1.68 | a | 0.79 | b | 0.20 | b | 0.10 | 0.00 | 2.20 | e | 0.86 | d | 1.84 | b | 2.80 | d | 2.80 | u | ||||
2024 | 2.18 | a | 2.26 | 1.54 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 1.93 | 1.68 | 1.62 | 1.20 | 0.97 | 0.94 | 0.38 | 0.49 | 0.89 | 1.36 | 1.89 | 2.15 | 2.79 | |||||||||||||
S.D. | 0.78 | 0.56 | 0.66 | 0.56 | 0.47 | 0.65 | 0.43 | 0.48 | 0.62 | 0.76 | 0.70 | 0.77 | 0.57 | |||||||||||||
SKEW | 0.03 | 0.84 | 1.39 | 1.59 | 0.39 | 0.84 | 1.63 | 0.99 | 0.50 | 0.84 | 1.00 | 0.71 | 0.18 | |||||||||||||
MAX | 3.70 | 3.44 | 4.30 | 3.48 | 2.16 | 2.70 | 1.78 | 1.84 | 2.30 | 3.62 | 4.43 | 4.39 | 3.78 | |||||||||||||
MIN | 0.32 | 0.85 | 0.51 | 0.36 | 0.11 | 0.07 | 0.00 | 0.00 | 0.00 | 0.19 | 0.43 | 0.85 | 1.85 | |||||||||||||
YRS | 49 | 49 | 50 | 47 | 48 | 49 | 52 | 53 | 51 | 52 | 50 | 52 | 25 |