YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | 41.00 | 38.00 | 40.00 | 42.00 | 45.00 | 47.00 | 51.00 | 51.00 | 48.00 | 46.00 | d | 45.00 | 37.00 | 37.00 | d | |||||||||||
1949 | 29.00 | 32.00 | 40.00 | 43.00 | a | 45.00 | a | 49.00 | 50.00 | 51.00 | 52.00 | 41.00 | 49.00 | 39.00 | 29.00 | b | ||||||||||
1950 | 37.00 | 39.00 | 41.00 | 44.00 | 43.00 | 46.00 | a | 54.00 | b | 51.00 | 51.00 | 49.00 | 46.00 | 45.00 | 37.00 | c | ||||||||||
1951 | 40.00 | 37.00 | 36.00 | 43.00 | 43.00 | a | 49.00 | 49.00 | 53.00 | 52.00 | 48.00 | 45.00 | 40.00 | 36.00 | a | |||||||||||
1952 | 38.00 | 40.00 | 38.00 | 44.00 | 47.00 | 47.00 | 49.00 | 53.00 | 51.00 | 47.00 | 41.00 | 43.00 | 38.00 | |||||||||||||
1953 | 44.00 | 38.00 | 37.00 | 40.00 | 44.00 | 45.00 | p | ----- | 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 | 36.00 | 48.00 | 42.00 | 41.00 | 49.00 | 51.00 | 54.00 | 55.00 | 53.00 | 51.00 | 48.00 | 45.00 | 36.00 | |||||||||||||
1964 | 43.00 | 44.00 | 41.00 | 43.00 | a | 43.00 | 49.00 | 51.00 | 58.00 | 55.00 | 51.00 | 39.00 | 41.00 | 39.00 | a | |||||||||||
1965 | 39.00 | 42.00 | 43.00 | 41.00 | 48.00 | 49.00 | 54.00 | 55.00 | 53.00 | 54.00 | 47.00 | 42.00 | 39.00 | |||||||||||||
1966 | 43.00 | 41.00 | 40.00 | a | 47.00 | a | 48.00 | 49.00 | 55.00 | 56.00 | 55.00 | 53.00 | 47.00 | 44.00 | 40.00 | b | ||||||||||
1967 | 46.00 | 44.00 | 41.00 | 39.00 | 44.00 | b | 45.00 | 54.00 | 55.00 | 56.00 | 54.00 | 48.00 | 34.00 | 34.00 | b | |||||||||||
1968 | 38.00 | 46.00 | 44.00 | i | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.00 | f | 52.00 | 55.00 | 52.00 | 49.00 | 37.00 | b | 46.00 | ----- | z | |||||
2001 | 41.00 | 38.00 | 43.00 | 42.00 | 48.00 | 52.00 | a | 53.00 | a | 53.00 | 53.00 | 51.00 | 46.00 | 39.00 | 38.00 | b | ||||||||||
2002 | 39.00 | 42.00 | 41.00 | 45.00 | a | 45.00 | 50.00 | 53.00 | 53.00 | 53.00 | 49.00 | 49.00 | a | 45.00 | a | 39.00 | c | |||||||||
2003 | 47.00 | a | 45.00 | a | 44.00 | a | 43.00 | 45.00 | a | 51.00 | 55.00 | a | 57.00 | 53.00 | 49.00 | 45.00 | 41.00 | 41.00 | e | |||||||
2004 | 43.00 | a | 44.00 | 44.00 | 45.00 | b | 50.00 | a | 51.00 | 52.00 | 53.00 | 53.00 | 49.00 | 40.00 | 44.00 | 40.00 | d | |||||||||
2005 | 41.00 | 46.00 | 45.00 | 45.00 | 48.00 | 50.00 | 50.00 | 54.00 | 51.00 | 49.00 | 48.00 | 45.00 | 41.00 | |||||||||||||
2006 | 44.00 | 40.00 | 37.00 | 43.00 | 49.00 | 52.00 | a | 57.00 | 55.00 | e | 54.00 | 51.00 | 45.00 | 42.00 | 37.00 | f | ||||||||||
2007 | 39.00 | 41.00 | 43.00 | 45.00 | 47.00 | f | 49.00 | 55.00 | 56.00 | 52.00 | 50.00 | 47.00 | 40.00 | 39.00 | f | |||||||||||
2008 | 41.00 | 42.00 | 41.00 | 43.00 | b | 45.00 | b | 49.00 | d | 53.00 | 54.00 | 55.00 | 51.00 | 49.00 | 40.00 | 40.00 | h | |||||||||
2009 | 42.00 | 42.00 | 43.00 | 42.00 | a | 49.00 | 51.00 | 53.00 | 54.00 | 54.00 | 49.00 | 48.00 | 40.00 | c | 40.00 | d | ||||||||||
2010 | 42.00 | 42.00 | 42.00 | 39.00 | 45.00 | 49.00 | 51.00 | 50.00 | a | 51.00 | 51.00 | d | 41.00 | 39.00 | a | 39.00 | f | |||||||||
2011 | 41.00 | 37.00 | 41.00 | a | 40.00 | 46.00 | 47.00 | a | 53.00 | 53.00 | 54.00 | 52.00 | 46.00 | c | 43.00 | 37.00 | e | |||||||||
2012 | 42.00 | 42.00 | a | 41.00 | a | 45.00 | 48.00 | b | 50.00 | 52.00 | 55.00 | 55.00 | 51.00 | 45.00 | 42.00 | 41.00 | d | |||||||||
2013 | 38.00 | 40.00 | 43.00 | 43.00 | d | 50.00 | a | 51.00 | 54.00 | 53.00 | 55.00 | 49.00 | 50.00 | 42.00 | 38.00 | e | ||||||||||
2014 | 47.00 | 44.00 | 47.00 | 46.00 | 48.00 | c | 50.00 | 56.00 | 54.00 | 56.00 | 54.00 | 52.00 | d | 39.00 | 39.00 | g | ||||||||||
2015 | 43.00 | 47.00 | 44.00 | 48.00 | 46.00 | 50.00 | 55.00 | 57.00 | 57.00 | 55.00 | 43.00 | 42.00 | 42.00 | |||||||||||||
2016 | 44.00 | 43.00 | 42.00 | 47.00 | a | 48.00 | 50.00 | b | 54.00 | 56.00 | 54.00 | 54.00 | 48.00 | c | 44.00 | 42.00 | f | |||||||||
2017 | 43.00 | 43.00 | 43.00 | 49.00 | k | 44.00 | a | 51.00 | a | 54.00 | 56.00 | 54.00 | 53.00 | 50.00 | 46.00 | 43.00 | m | |||||||||
2018 | 44.00 | 40.00 | 43.00 | 45.00 | a | 47.00 | 51.00 | 54.00 | 58.00 | a | 54.00 | 54.00 | 50.00 | 45.00 | 40.00 | b | ||||||||||
2019 | 43.00 | 40.00 | 38.00 | a | 39.00 | 47.00 | 51.00 | a | 54.00 | b | 56.00 | a | 54.00 | a | 53.00 | 42.00 | c | 44.00 | a | 38.00 | j | |||||
2020 | 46.00 | 43.00 | 44.00 | 45.00 | a | 51.00 | a | 54.00 | a | 54.00 | 53.00 | 57.00 | 55.00 | 46.00 | 44.00 | c | 43.00 | f | ||||||||
2021 | 39.00 | 42.00 | 40.00 | 45.00 | 47.00 | c | 51.00 | 54.00 | k | 57.00 | b | 54.00 | 49.00 | i | 48.00 | 43.00 | 39.00 | y | ||||||||
2022 | 44.00 | 38.00 | 44.00 | 46.00 | e | 47.00 | 52.00 | m | 54.00 | 58.00 | 58.00 | 53.00 | 47.00 | 42.00 | 38.00 | r | ||||||||||
2023 | 44.00 | 38.00 | 42.00 | 43.00 | 47.00 | 51.00 | 51.00 | 57.00 | 54.00 | 53.00 | 52.00 | a | 50.00 | 38.00 | a | |||||||||||
2024 | 44.00 | 45.00 | 46.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.53 | 41.47 | 41.71 | 43.36 | 46.64 | 49.75 | 53.03 | 54.56 | 53.62 | 50.85 | 46.15 | 42.26 | 38.11 | |||||||||||||
S.D. | 3.51 | 3.30 | 2.52 | 2.38 | 2.16 | 1.87 | 1.94 | 2.13 | 2.03 | 2.96 | 3.57 | 3.04 | 2.98 | |||||||||||||
SKEW | -1.20 | -0.38 | -0.35 | -0.22 | -0.03 | -0.54 | -0.41 | -0.21 | -0.24 | -1.04 | -0.72 | -0.22 | -1.53 | |||||||||||||
MAX | 47.00 | 48.00 | 47.00 | 48.00 | 51.00 | 54.00 | 57.00 | 58.00 | 58.00 | 55.00 | 52.00 | 50.00 | 42.00 | |||||||||||||
MIN | 29.00 | 32.00 | 36.00 | 39.00 | 43.00 | 45.00 | 49.00 | 50.00 | 48.00 | 41.00 | 37.00 | 34.00 | 29.00 | |||||||||||||
YRS | 36 | 36 | 35 | 33 | 33 | 32 | 33 | 34 | 34 | 33 | 34 | 34 | 19 |