YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.00 | c | 29.00 | 28.00 | ----- | z | ||
1990 | 27.00 | 18.00 | 27.00 | 36.00 | 37.00 | 42.00 | 47.00 | 48.00 | 45.00 | a | 32.00 | 31.00 | 7.00 | c | 7.00 | d | ||||||||||
1991 | 19.00 | 33.00 | 29.00 | 31.00 | 38.00 | a | 40.00 | 50.00 | 46.00 | 40.00 | 30.00 | 28.00 | a | 29.00 | 19.00 | b | ||||||||||
1992 | 25.00 | 28.00 | 33.00 | a | 32.00 | b | ----- | z | 47.00 | 50.00 | 44.00 | 36.00 | 29.00 | 29.00 | a | 26.00 | a | ----- | z | |||||||
1993 | 22.00 | a | 20.00 | b | 36.00 | h | 38.00 | 42.00 | 42.00 | 49.00 | 46.00 | 39.00 | 40.00 | a | 25.00 | a | 28.00 | 20.00 | m | |||||||
1994 | 28.00 | 24.00 | c | 30.00 | b | 36.00 | a | 37.00 | a | 44.00 | 50.00 | 50.00 | 46.00 | 37.00 | 30.00 | 27.00 | 24.00 | g | ||||||||
1995 | 28.00 | a | 31.00 | 30.00 | a | 35.00 | 40.00 | 44.00 | 49.00 | a | 45.00 | a | 50.00 | a | 40.00 | 29.00 | 30.00 | 28.00 | e | |||||||
1996 | 26.00 | 25.00 | 29.00 | a | 34.00 | 32.00 | 40.00 | a | 50.00 | a | 49.00 | 39.00 | a | 34.00 | a | 30.00 | 30.00 | 25.00 | e | |||||||
1997 | 19.00 | 29.00 | 30.00 | 31.00 | 38.00 | c | 46.00 | b | 49.00 | b | 51.00 | c | 44.00 | 35.00 | a | 34.00 | 28.00 | a | 19.00 | l | ||||||
1998 | 33.00 | a | 34.00 | b | 29.00 | 32.00 | c | 41.00 | b | 45.00 | 52.00 | 48.00 | 43.00 | 35.00 | a | 36.00 | a | 8.00 | 8.00 | j | ||||||
1999 | 27.00 | 28.00 | a | 28.00 | c | 30.00 | a | 34.00 | c | 36.00 | e | 44.00 | f | 45.00 | a | 35.00 | g | 33.00 | b | 32.00 | f | 31.00 | c | ----- | z | |
2000 | 29.00 | 33.00 | 31.00 | 35.00 | 39.00 | a | 45.00 | 48.00 | a | 48.00 | a | 38.00 | a | 35.00 | c | 28.00 | b | 31.00 | b | 28.00 | k | |||||
2001 | 25.00 | 25.00 | a | 29.00 | a | 31.00 | c | 35.00 | j | 41.00 | f | 49.00 | h | 50.00 | e | 43.00 | h | 36.00 | h | 29.00 | c | 30.00 | c | ----- | z | |
2002 | 29.00 | c | 28.00 | c | 25.00 | b | 26.00 | c | 30.00 | a | 41.00 | b | 51.00 | i | 48.00 | d | 41.00 | b | 21.00 | b | 20.00 | b | 33.00 | ----- | z | |
2003 | 31.00 | b | 26.00 | a | 34.00 | b | 35.00 | a | 35.00 | a | 45.00 | 49.00 | 51.00 | a | 43.00 | 31.00 | a | 23.00 | d | 32.00 | a | 23.00 | n | |||
2004 | 32.00 | 31.00 | b | 33.00 | a | 32.00 | 42.00 | c | 44.00 | 50.00 | 53.00 | a | 42.00 | 37.00 | b | 31.00 | c | 30.00 | a | 30.00 | m | |||||
2005 | 26.00 | 27.00 | a | 32.00 | a | 34.00 | b | 42.00 | b | 39.00 | b | 50.00 | c | 51.00 | c | 39.00 | 36.00 | b | 33.00 | b | 26.00 | 26.00 | r | |||
2006 | 32.00 | a | 19.00 | e | 29.00 | c | 35.00 | a | 40.00 | e | 48.00 | c | 49.00 | b | 47.00 | e | 43.00 | a | 28.00 | a | 28.00 | 28.00 | g | ----- | z | |
2007 | 21.00 | 27.00 | 31.00 | b | 35.00 | a | 37.00 | b | 41.00 | c | 51.00 | b | 48.00 | c | 39.00 | 32.00 | 30.00 | 30.00 | 21.00 | m | ||||||
2008 | 20.00 | 29.00 | 28.00 | b | 28.00 | 35.00 | 38.00 | a | 50.00 | a | 45.00 | 40.00 | 32.00 | 35.00 | 19.00 | 19.00 | d | |||||||||
2009 | 28.00 | 27.00 | 29.00 | 31.00 | 33.00 | 44.00 | 52.00 | 47.00 | 43.00 | 34.00 | 33.00 | 12.00 | 12.00 | |||||||||||||
2010 | 36.00 | 28.00 | 30.00 | 31.00 | 35.00 | 45.00 | 48.00 | 49.00 | 42.00 | 34.00 | 28.00 | 28.00 | 28.00 | |||||||||||||
2011 | 28.00 | 19.00 | 32.00 | 31.00 | 35.00 | 43.00 | 48.00 | 50.00 | 45.00 | 31.00 | 29.00 | 24.00 | 19.00 | |||||||||||||
2012 | 26.00 | 29.00 | 30.00 | 34.00 | 37.00 | 40.00 | 45.00 | 48.00 | 42.00 | 37.00 | 33.00 | 30.00 | 26.00 | |||||||||||||
2013 | 25.00 | 31.00 | 29.00 | 33.00 | 36.00 | 43.00 | 50.00 | 52.00 | 41.00 | 33.00 | 26.00 | 12.00 | 12.00 | |||||||||||||
2014 | 28.00 | 29.00 | 32.00 | 35.00 | 39.00 | 45.00 | 53.00 | 50.00 | 47.00 | 42.00 | 32.00 | 19.00 | 19.00 | |||||||||||||
2015 | 19.00 | a | 25.00 | 26.00 | b | 33.00 | 39.00 | 51.00 | a | 56.00 | a | 49.00 | 41.00 | 38.00 | 23.00 | 27.00 | 19.00 | e | ||||||||
2016 | 20.00 | 32.00 | 35.00 | 34.00 | 40.00 | 42.00 | 51.00 | 48.00 | a | 42.00 | 38.00 | 34.00 | 23.00 | 20.00 | a | |||||||||||
2017 | 21.00 | 29.00 | b | 29.00 | 30.00 | 38.00 | 41.00 | 49.00 | 47.00 | 39.00 | a | 33.00 | 27.00 | a | 26.00 | a | 21.00 | e | ||||||||
2018 | 31.00 | 21.00 | 26.00 | 30.00 | 40.00 | 40.00 | c | 47.00 | a | 44.00 | d | 37.00 | 30.00 | a | 26.00 | a | 27.00 | b | 21.00 | l | ||||||
2019 | 26.00 | a | 26.00 | a | 25.00 | 37.00 | a | 35.00 | 42.00 | b | 45.00 | a | 53.00 | 40.00 | 23.00 | 26.00 | 25.00 | 23.00 | f | |||||||
2020 | 24.00 | 25.00 | a | 30.00 | 34.00 | 40.00 | a | 45.00 | 50.00 | a | 52.00 | b | 42.00 | a | 26.00 | 25.00 | 28.00 | 24.00 | f | |||||||
2021 | 27.00 | 31.00 | 28.00 | 30.00 | 38.00 | 42.00 | 52.00 | 46.00 | 45.00 | 34.00 | 32.00 | b | 29.00 | 27.00 | b | |||||||||||
2022 | 27.00 | 19.00 | b | 30.00 | a | 30.00 | 33.00 | 45.00 | 53.00 | 50.00 | a | 49.00 | b | 39.00 | a | 29.00 | 28.00 | 19.00 | g | |||||||
2023 | 19.00 | 22.00 | 29.00 | 31.00 | 37.00 | a | 45.00 | 52.00 | a | 52.00 | 43.00 | a | 33.00 | 26.00 | 33.00 | 19.00 | c | |||||||||
2024 | 31.00 | 35.00 | a | 29.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.14 | 26.94 | 29.59 | 32.65 | 37.31 | 43.03 | 49.81 | 48.53 | 42.03 | 33.38 | 29.03 | 25.71 | 18.92 | |||||||||||||
S.D. | 4.47 | 4.56 | 2.34 | 2.66 | 3.03 | 3.03 | 2.29 | 2.54 | 3.25 | 4.59 | 3.66 | 6.77 | 6.30 | |||||||||||||
SKEW | -0.06 | -0.37 | 0.13 | -0.19 | -0.39 | 0.11 | 0.17 | -0.02 | 0.52 | -0.64 | -0.24 | -1.58 | -0.27 | |||||||||||||
MAX | 36.00 | 35.00 | 35.00 | 38.00 | 42.00 | 51.00 | 56.00 | 53.00 | 50.00 | 42.00 | 36.00 | 33.00 | 28.00 | |||||||||||||
MIN | 19.00 | 18.00 | 25.00 | 26.00 | 30.00 | 36.00 | 45.00 | 44.00 | 36.00 | 21.00 | 20.00 | 7.00 | 7.00 | |||||||||||||
YRS | 35 | 35 | 34 | 34 | 32 | 33 | 31 | 34 | 32 | 34 | 34 | 34 | 12 |