YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 3.52 | ----- | z | 0.00 | 0.63 | 4.15 | i | |||
1939 | 2.22 | 0.00 | 0.86 | 1.29 | 0.00 | 0.00 | 2.09 | 2.11 | 1.56 | 0.72 | 0.68 | 0.42 | 11.95 | |||||||||||||
1940 | 0.99 | 1.23 | 0.30 | 0.54 | 1.40 | 0.72 | 1.51 | 4.94 | 1.12 | 0.54 | 1.54 | 3.16 | 17.99 | |||||||||||||
1941 | 2.40 | 1.82 | 4.03 | 1.39 | 3.10 | 1.14 | 1.78 | 1.39 | 3.39 | 3.28 | 0.52 | 1.57 | 25.81 | |||||||||||||
1942 | 0.07 | 0.54 | 1.27 | 2.56 | 0.13 | 0.66 | 0.43 | 2.13 | 1.15 | 1.56 | 0.05 | ----- | z | 10.55 | a | |||||||||||
1943 | ----- | z | 0.34 | 2.27 | 0.95 | 0.74 | 1.63 | 1.62 | 3.18 | 0.52 | 1.36 | 0.59 | 0.83 | 14.03 | a | |||||||||||
1944 | 0.58 | 0.67 | 1.37 | 1.68 | 1.66 | 0.12 | 2.43 | 1.56 | 1.29 | 1.72 | 0.79 | 1.88 | 15.75 | |||||||||||||
1945 | 1.18 | 0.68 | 1.33 | 1.46 | 0.05 | 0.27 | 1.57 | 2.37 | 0.82 | 0.64 | 0.00 | 1.82 | 12.19 | |||||||||||||
1946 | 0.38 | 0.18 | 1.72 | 0.97 | 0.52 | 0.15 | 2.27 | 4.47 | 1.08 | 2.17 | 1.07 | 0.33 | 15.31 | |||||||||||||
1947 | 0.62 | 0.76 | 0.52 | 0.09 | 2.35 | 0.47 | 0.84 | v | 4.53 | 1.22 | 0.71 | 0.88 | 1.56 | 13.71 | a | |||||||||||
1948 | 0.17 | a | 1.40 | 2.18 | 0.73 | 0.23 | g | 2.32 | 0.46 | 1.53 | 1.32 | 1.79 | 0.19 | 0.67 | 12.76 | a | ||||||||||
1949 | 1.91 | 0.54 | 1.10 | 0.52 | 0.80 | 1.36 | 3.61 | 0.95 | 1.27 | 0.82 | 0.05 | 0.77 | 13.70 | |||||||||||||
1950 | 1.02 | 1.20 | 0.29 | 0.73 | 0.04 | 1.03 | 2.39 | 0.89 | 1.87 | 1.02 | 0.16 | 0.00 | 10.64 | |||||||||||||
1951 | 0.90 | 0.43 | 0.18 | 2.26 | 0.38 | 0.00 | 1.04 | 2.45 | 0.24 | 0.66 | 0.34 | 0.90 | 9.78 | |||||||||||||
1952 | 0.84 | 0.91 | 0.66 | 1.56 | 0.25 | 0.64 | 0.95 | 2.34 | 0.23 | 0.00 | 0.88 | 0.99 | 10.25 | |||||||||||||
1953 | 0.44 | 0.59 | 0.69 | 0.41 | 0.74 | 0.49 | 3.53 | 2.16 | 0.00 | 1.80 | 0.67 | 0.34 | 11.86 | |||||||||||||
1954 | 0.18 | 0.13 | 2.40 | 0.00 | 1.60 | 0.36 | 3.42 | 1.70 | 3.31 | 0.69 | 0.27 | 0.59 | 14.65 | |||||||||||||
1955 | 1.01 | 1.00 | 0.05 | 0.78 | 1.07 | 0.16 | 2.34 | 4.46 | 0.20 | 0.00 | 0.42 | 1.64 | 13.13 | |||||||||||||
1956 | 2.13 | 0.84 | 0.03 | 0.09 | 0.03 | 0.30 | 1.66 | 1.15 | 0.00 | 0.39 | 0.06 | 0.10 | 6.78 | |||||||||||||
1957 | 1.68 | 1.27 | 1.40 | 1.55 | 1.45 | 0.50 | 2.64 | b | 4.81 | 0.08 | 1.87 | 1.51 | 0.33 | 19.09 | ||||||||||||
1958 | 0.74 | 0.99 | 1.95 | 1.24 | 1.38 | 0.00 | 0.15 | 2.53 | 1.27 | 0.97 | 0.20 | 0.83 | 12.25 | |||||||||||||
1959 | 0.14 | 0.31 | 0.76 | 1.69 | 0.35 | 0.45 | 0.63 | 1.91 | 0.39 | 2.04 | 0.45 | 1.96 | 11.08 | |||||||||||||
1960 | 1.18 | 1.19 | 0.90 | 0.82 | 0.58 | 0.48 | 2.83 | 1.38 | 0.46 | 3.43 | 0.36 | 1.05 | 14.66 | |||||||||||||
1961 | 1.11 | 0.66 | 1.26 | 0.45 | 0.36 | 0.76 | 2.47 | 5.31 | 3.59 | 2.59 | 1.22 | 0.92 | 20.70 | |||||||||||||
1962 | 1.02 | 0.85 | 0.78 | 0.16 | 0.06 | 0.01 | 2.67 | 0.94 | 2.84 | 1.35 | 2.12 | 0.52 | 13.32 | |||||||||||||
1963 | 0.86 | 0.80 | 1.03 | 0.13 | 0.00 | 0.50 | 2.47 | 1.84 | 2.48 | 0.89 | 1.38 | 0.03 | r | 12.38 | a | |||||||||||
1964 | 0.12 | m | 0.87 | 0.89 | ----- | z | 1.18 | 0.00 | 1.74 | 2.89 | 1.80 | 0.25 | 1.01 | 0.98 | a | 11.61 | b | |||||||||
1965 | 0.59 | 0.65 | 0.49 | 0.09 | 0.35 | 1.98 | 2.93 | 2.04 | 2.93 | 1.24 | 1.05 | 1.46 | 15.80 | |||||||||||||
1966 | 0.53 | 0.21 | 0.16 | 0.13 | 0.10 | 3.07 | 1.07 | 1.34 | 1.31 | 0.00 | 0.27 | 1.67 | 9.86 | |||||||||||||
1967 | 0.14 | 0.27 | 0.10 | 0.28 | 0.47 | 0.81 | 3.23 | 4.46 | 1.11 | 0.26 | 0.21 | 1.14 | 12.48 | |||||||||||||
1968 | 0.00 | 1.61 | 1.33 | 0.69 | 1.24 | 0.69 | 4.61 | ----- | z | 0.09 | 0.64 | 1.01 | 0.97 | 12.88 | a | |||||||||||
1969 | 1.49 | 0.78 | 0.50 | 0.54 | 1.65 | 0.65 | 4.29 | 3.06 | 1.19 | 2.61 | 0.39 | 0.76 | 17.91 | |||||||||||||
1970 | 0.21 | 0.05 | 1.73 | 0.20 | 0.45 | 0.93 | 1.95 | 2.62 | 0.67 | 1.08 | 0.70 | 0.22 | 10.81 | |||||||||||||
1971 | 0.53 | 0.49 | 0.43 | 1.08 | 0.06 | 0.21 | 3.05 | 2.85 | 2.66 | 1.68 | 0.36 | 1.33 | 14.73 | |||||||||||||
1972 | 0.36 | 0.08 | 0.16 | 0.00 | 0.04 | 1.50 | 0.74 | 1.27 | 4.83 | 3.62 | a | 0.83 | 0.34 | 13.77 | ||||||||||||
1973 | 0.64 | 0.36 | 2.73 | 0.33 | 2.00 | 0.50 | 1.54 | ----- | z | 0.93 | 0.41 | 0.15 | 0.24 | 9.83 | a | |||||||||||
1974 | 1.19 | b | 0.63 | 0.83 | 0.62 | 0.22 | 0.28 | 2.04 | 1.49 | 0.21 | 3.84 | 0.65 | 0.73 | 12.73 | ||||||||||||
1975 | 0.59 | 1.15 | 0.96 | 0.61 | 0.39 | 0.07 | 2.01 | 1.88 | 1.79 | 0.00 | 0.00 | 0.05 | 9.50 | |||||||||||||
1976 | 0.00 | 0.00 | 0.05 | 0.48 | 0.60 | 0.02 | 2.56 | 1.95 | 1.38 | 0.24 | 0.19 | 0.00 | 7.47 | |||||||||||||
1977 | ----- | z | 0.10 | 0.13 | 0.55 | 1.27 | 0.48 | 2.10 | ----- | z | 1.76 | 0.71 | 1.38 | 0.00 | 8.48 | b | ||||||||||
1978 | 2.51 | 1.09 | 2.09 | 0.16 | 2.51 | 1.93 | 1.94 | 0.78 | 0.92 | 0.87 | 2.98 | 0.94 | b | 18.72 | ||||||||||||
1979 | 2.44 | b | 0.47 | 0.52 | 0.59 | 2.17 | 1.23 | 1.22 | 2.00 | 0.20 | 0.98 | 1.45 | 0.57 | 13.84 | ||||||||||||
1980 | 1.39 | b | 2.01 | 0.79 | 0.99 | 1.01 | 0.00 | 1.77 | 0.81 | 0.70 | 0.61 | 0.02 | 0.12 | 10.22 | ||||||||||||
1981 | 0.00 | 0.00 | 0.81 | 0.58 | 0.89 | 0.37 | 2.04 | 1.89 | 2.36 | 0.70 | 0.11 | 0.02 | 9.77 | |||||||||||||
1982 | 1.32 | k | 0.80 | l | ----- | z | 0.25 | i | 1.02 | v | 1.58 | 3.31 | 1.98 | 1.23 | 0.54 | a | 1.23 | b | 0.90 | 10.77 | e | |||||
1983 | 1.27 | c | 1.00 | e | 0.11 | h | ----- | z | 0.31 | 0.98 | 0.71 | 2.42 | 1.46 | 1.15 | 1.15 | b | 2.69 | e | 13.14 | b | ||||||
1984 | 0.70 | a | 0.03 | 1.18 | d | 0.13 | b | 0.33 | b | 2.42 | 1.34 | 1.94 | 0.94 | 1.42 | 0.26 | a | 0.68 | 11.37 | ||||||||
1985 | 1.85 | i | 1.10 | e | 2.30 | b | 1.64 | b | 0.23 | a | 0.24 | 1.54 | 0.90 | a | 2.82 | a | 1.73 | 0.40 | a | 0.11 | 13.01 | a | ||||
1986 | 0.00 | 1.02 | c | 1.07 | a | 1.64 | b | 0.95 | b | 1.82 | a | 2.42 | 2.33 | c | 2.69 | 1.00 | b | 2.35 | 0.00 | a | 17.29 | |||||
1987 | 0.44 | d | 0.92 | c | 0.50 | e | 0.07 | a | 1.82 | d | 0.19 | 0.67 | a | 1.75 | 1.04 | 1.35 | 0.99 | 0.95 | h | 9.74 | a | |||||
1988 | 2.09 | 0.22 | b | 0.16 | 1.27 | a | 0.77 | 1.34 | 0.97 | 4.93 | 1.36 | a | 0.84 | 0.90 | 0.03 | 14.88 | ||||||||||
1989 | 0.35 | 0.64 | 0.63 | 0.00 | 0.12 | 0.14 | 1.15 | 1.31 | 0.14 | 1.86 | 0.00 | 0.28 | 6.62 | |||||||||||||
1990 | 0.63 | a | 0.57 | 0.49 | 1.18 | 1.21 | 0.99 | 3.53 | 2.56 | 1.28 | a | 0.68 | c | 1.07 | 0.90 | l | 14.19 | a | ||||||||
1991 | 0.20 | d | 0.00 | n | 0.99 | p | 0.16 | a | 0.93 | a | 2.20 | 2.88 | 1.80 | 2.39 | 0.53 | 1.52 | k | 1.54 | 12.63 | c | ||||||
1992 | 0.77 | 0.38 | 0.74 | 0.38 | 3.07 | 0.08 | 1.46 | 4.55 | 0.11 | 0.50 | 1.45 | 1.12 | 14.61 | |||||||||||||
1993 | 1.20 | i | 0.82 | f | 1.03 | a | 0.02 | 0.54 | 0.16 | 0.18 | 2.83 | 1.21 | 1.12 | 1.41 | b | 0.06 | 8.56 | b | ||||||||
1994 | 0.51 | 0.76 | b | 1.07 | c | 0.98 | a | 1.60 | 0.26 | 1.63 | 1.94 | 1.79 | 1.55 | 2.07 | 0.30 | 14.46 | ||||||||||
1995 | 1.52 | 0.50 | 1.53 | b | 2.20 | a | 1.26 | 1.10 | l | 0.40 | b | 2.66 | 0.99 | 0.00 | 0.30 | 0.90 | 12.26 | a | ||||||||
1996 | 0.18 | 0.18 | a | 0.22 | a | 0.00 | 0.00 | 1.48 | a | 2.57 | d | 2.32 | 1.07 | 0.71 | 1.02 | 0.31 | 10.06 | |||||||||
1997 | 1.96 | e | 0.52 | 0.02 | 1.88 | a | 0.70 | 1.14 | b | 1.97 | b | 3.12 | e | 2.41 | 0.89 | 1.00 | 1.28 | b | 16.89 | |||||||
1998 | 0.26 | 0.88 | a | 0.37 | 0.40 | 0.12 | 0.06 | 4.80 | 2.88 | a | 0.50 | 2.83 | f | 0.97 | 0.02 | 11.26 | a | |||||||||
1999 | 0.03 | 0.20 | 0.70 | 2.08 | e | 1.10 | 0.86 | 3.61 | b | 3.90 | 0.99 | 0.07 | 0.00 | 0.26 | b | 13.80 | ||||||||||
2000 | 0.83 | a | 0.30 | 3.07 | 0.05 | 0.08 | 0.33 | 1.06 | 1.42 | 0.16 | 2.27 | b | 1.02 | 0.13 | 10.72 | |||||||||||
2001 | 0.59 | d | 0.86 | 0.90 | b | 0.66 | 0.48 | 0.53 | 1.49 | 1.60 | 0.00 | 0.38 | 1.32 | 1.10 | a | 9.91 | ||||||||||
2002 | 0.60 | 0.18 | 0.00 | 0.26 | 0.00 | 0.12 | 2.07 | 1.85 | 2.23 | b | 2.02 | 1.06 | 0.76 | 11.15 | ||||||||||||
2003 | 0.00 | 1.38 | 0.73 | 0.16 | 0.00 | d | 0.00 | a | 1.24 | 2.07 | 3.17 | 0.43 | e | 0.69 | 0.15 | 10.02 | ||||||||||
2004 | 0.61 | 1.59 | 0.46 | 2.47 | 0.01 | 0.48 | 1.66 | 0.96 | d | 0.70 | 0.97 | 0.14 | 1.03 | 11.08 | ||||||||||||
2005 | 1.08 | 2.55 | ----- | z | ----- | z | ----- | z | ----- | z | 0.65 | 1.98 | c | 1.81 | 1.04 | 0.06 | 0.25 | 9.42 | d | |||||||
2006 | 0.16 | 0.08 | 0.57 | a | 0.19 | 0.08 | 0.89 | 3.45 | 2.17 | 1.74 | 1.67 | 0.35 | 2.11 | 13.46 | ||||||||||||
2007 | 1.14 | 1.10 | 0.87 | 1.27 | 2.01 | 1.04 | 2.39 | 2.34 | 1.22 | 0.38 | 0.31 | 3.37 | 17.44 | |||||||||||||
2008 | 1.48 | 1.35 | 0.02 | 0.20 | 1.49 | 0.38 | 2.68 | 1.07 | 0.57 | 1.38 | 0.52 | e | ----- | z | 11.14 | a | ||||||||||
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2010 | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | k | |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2014 | 0.00 | x | 0.28 | c | 1.01 | 0.47 | 0.69 | 0.21 | 3.64 | f | 1.23 | g | 0.95 | w | 1.02 | o | ----- | z | ----- | z | 2.66 | g | ||||
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2018 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.94 | k | 0.26 | k | 0.26 | q | 0.00 | l |
2019 | 1.43 | d | 1.25 | s | 1.65 | u | 1.42 | d | ----- | z | ----- | z | 0.95 | s | ----- | z | 0.61 | o | 0.00 | k | 1.13 | S | ----- | z | 2.85 | j |
2020 | ----- | z | 0.69 | t | ----- | z | 0.10 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | l |
2021 | ----- | z | ----- | z | ----- | z | 0.00 | ----- | z | 0.95 | 3.21 | 0.66 | 2.42 | 0.44 | 0.04 | 1.03 | 8.75 | d | ||||||||
2022 | ----- | z | ----- | z | 1.40 | ----- | z | 0.00 | ----- | z | 2.56 | j | 2.88 | f | 2.21 | l | 1.78 | k | 0.05 | j | 0.13 | c | 1.53 | i | ||
2023 | 0.00 | e | 1.55 | p | 0.00 | a | ----- | z | ----- | z | 0.00 | 0.00 | 5.40 | a | 1.19 | i | 0.26 | 0.57 | y | ----- | z | 5.66 | f | |||
2024 | 0.00 | s | 0.00 | b | 0.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 0.82 | 0.71 | 0.93 | 0.77 | 0.80 | 0.71 | 2.01 | 2.35 | 1.40 | 1.13 | 0.72 | 0.82 | 13.25 | |||||||||||||
S.D. | 0.68 | 0.53 | 0.80 | 0.68 | 0.78 | 0.69 | 1.08 | 1.21 | 1.04 | 0.88 | 0.62 | 0.75 | 3.67 | |||||||||||||
SKEW | 0.82 | 0.90 | 1.40 | 0.86 | 1.06 | 1.27 | 0.35 | 1.01 | 0.86 | 1.19 | 1.11 | 1.31 | 0.85 | |||||||||||||
MAX | 2.51 | 2.55 | 4.03 | 2.56 | 3.10 | 3.07 | 4.80 | 5.40 | 4.83 | 3.84 | 2.98 | 3.37 | 25.81 | |||||||||||||
MIN | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.66 | 0.00 | 0.00 | 0.00 | 0.00 | 6.62 | |||||||||||||
YRS | 67 | 69 | 70 | 69 | 69 | 71 | 71 | 69 | 72 | 71 | 71 | 68 | 50 |