Davis 00Z 500hPa wind_speed 1957 - - - - - - - - 29.2 30.4 27.7 11.1 1958 18.5 21.0 19.4 20.2 16.9 - - - - - - - 1959 - - - 21.5 25.8 22.5 21.2 25.3 30.0 24.4 20.5 22.3 1960 15.8 22.0 30.6 25.4 20.4 22.3 25.3 24.7 23.6 20.2 15.4 19.4 1961 11.1 22.1 26.3 25.1 28.3 24.9 26.6 20.7 18.3 26.7 25.5 13.5 1962 10.9 24.5 17.7 33.5 24.1 34.9 26.6 26.8 20.3 29.2 26.6 17.5 1963 20.9 19.3 22.3 22.4 30.8 26.7 28.2 34.8 29.7 21.5 19.4 20.8 1964 19.6 17.3 26.8 26.3 29.2 25.8 19.1 29.3 18.6 19.0 - - 1965 - - - - - - - - - - - - 1966 - - - - - - - - - - - - 1967 - - - - - - - - - - - - 1968 - - - - - - - - - - - - 1969 - - - 23.7 34.1 26.1 30.0 27.3 20.5 25.4 22.2 19.8 1970 20.8 24.4 27.5 23.0 28.1 23.7 25.7 25.5 28.8 21.6 19.0 25.1 1971 19.9 24.8 24.9 25.1 20.9 22.9 27.5 26.7 32.6 26.7 19.3 19.0 1972 23.9 24.7 14.7 28.8 33.5 19.9 23.8 28.6 27.3 23.9 15.3 27.6 1973 15.3 18.9 25.1 24.9 29.7 22.8 24.9 24.3 22.2 21.8 16.0 18.9 1974 18.6 20.2 21.7 25.0 21.0 27.2 24.8 27.2 28.3 24.3 23.5 21.0 1975 16.7 20.8 20.8 25.0 23.0 23.0 27.5 19.6 21.7 25.0 21.6 16.8 1976 12.6 14.8 23.1 29.2 24.5 26.0 23.8 17.6 22.9 19.3 18.6 25.4 1977 17.8 16.6 19.4 20.9 18.3 17.1 22.9 21.3 23.2 22.2 18.0 16.9 1978 14.2 12.8 - - - - - - - - - 15.0 1979 15.1 28.5 23.1 18.9 17.6 14.8 21.8 22.8 17.9 25.8 27.6 20.7 1980 17.3 20.7 14.3 22.1 34.0 30.2 32.3 23.9 31.0 28.2 17.4 14.1 1981 16.6 20.4 17.4 30.9 18.7 18.2 22.8 21.4 25.2 17.8 16.1 18.6 1982 13.1 13.8 32.1 17.5 21.1 16.1 17.9 19.4 22.0 20.7 19.1 14.9 1983 12.1 15.9 22.9 19.6 17.1 24.5 23.9 24.2 19.0 21.7 17.8 18.3 1984 18.4 18.5 - - - - - - - - - 19.5 1985 18.8 23.5 20.7 22.5 20.4 22.5 27.6 14.5 23.0 19.8 16.9 15.4 1986 15.3 17.4 17.0 19.7 22.2 23.0 20.7 20.0 21.6 18.6 17.5 9.1 1987 17.9 15.1 26.0 26.0 20.6 24.4 17.3 18.5 20.2 16.3 18.4 14.7 1988 19.8 13.9 19.8 21.1 23.6 20.4 16.4 18.9 18.1 18.0 14.7 12.0 1989 13.0 19.5 21.6 18.4 21.6 26.0 17.4 26.9 22.0 24.8 17.1 25.6 1990 21.2 25.8 22.4 27.4 22.2 24.3 28.5 17.0 23.3 - - 23.8 1991 - - 26.9 18.6 22.8 22.4 33.5 19.6 20.4 15.3 18.6 16.4 1992 15.9 17.1 - 33.9 36.5 33.0 24.0 15.1 20.1 23.3 - - 1993 8.7 17.7 - - - - - - - - 25.2 21.3 1994 14.7 16.7 21.7 8.4 4.8 5.1 4.9 6.7 10.7 11.3 11.1 5.4 1995 6.7 10.1 9.8 13.5 9.5 6.0 4.3 8.1 10.1 21.6 10.7 13.3 1996 14.2 16.1 23.4 17.2 30.5 22.9 19.2 25.6 21.5 21.7 19.4 16.3 1997 17.9 15.9 23.2 22.7 23.1 15.1 25.7 22.9 19.4 14.2 24.3 16.3 1998 12.1 15.1 30.0 25.9 17.1 25.6 25.5 21.8 18.8 18.9 21.5 15.1 1999 15.1 14.6 25.6 22.4 30.6 24.5 19.8 23.2 16.9 14.6 20.7 15.8 2000 16.8 18.0 22.5 22.5 26.3 21.4 20.6 21.6 17.8 22.8 27.0 13.3 2001 12.6 20.5 18.8 19.1 19.7 19.5 26.5 17.9 17.6 23.6 15.3 19.0 2002 19.3 12.8 21.9 22.8 24.4 21.3 17.7 15.0 21.6 16.1 17.6 14.1 2003 14.4 17.8 17.6 21.6 24.3 26.2 19.6 21.6 19.6 14.4 20.0 16.9 2004 16.6 17.0 21.8 24.3 14.5 26.0 - - 13.4 16.5 22.4 17.4 2005 18.3 18.7 28.2 17.8 24.2 26.0 26.7 21.2 25.6 17.7 20.6 21.8 2006 15.5 14.8 15.5 17.3 23.9 22.1 20.3 17.5 27.5 23.9 21.4 12.9 2007 18.8 11.0 20.2 27.3 25.9 23.0 17.7 21.7 25.2 22.9 15.8 17.0 2008 12.1 16.1 24.5 25.8 20.4 20.6 23.4 24.4 21.8 18.0 20.1 22.5 2009 11.5 18.9 13.5 21.8 20.8 23.6 29.1 24.0 18.0 19.9 22.5 16.1 2010 16.4 20.6 16.5 23.7 19.0 19.8 22.6 21.7 24.7 20.7 16.7 17.5 2011 18.0 17.9 23.7 16.2 25.7 25.0 27.3 13.1 21.9 15.0 17.8 15.9 2012 14.2 18.4 17.7 13.8 25.6 29.0 23.8 25.3 23.5 19.8 21.5 16.8 2013 18.4 16.3 26.7 21.2 24.7 25.2 21.6 27.8 22.3 19.7 24.0 14.8 2014 18.5 15.0 25.3 16.2 28.2 28.5 24.1 23.7 19.2 17.0 15.4 13.0 2015 14.9 14.2 19.1 - - - - - - 10.3 18.1 17.0 2016 16.6 14.9 21.6 17.5 18.6 24.2 24.3 19.4 21.3 24.0 19.3 21.0 2017 13.4 12.5 21.6 20.3 28.0 20.1 28.8 23.2 18.8 18.2 23.1 18.9 2018 16.5 16.9 25.7 17.1 18.1 26.4 24.1 26.6 18.1 17.8 16.6 16.5 2019 18.0 23.6 17.1 25.2 18.5 28.7 15.3 23.5 17.4 26.1 16.3 13.6 2020 17.1 15.0 26.1 18.4 28.6 24.8 28.9 27.0 21.4 23.1 20.1 15.8 2021 16.0 13.2 26.4 22.3 28.3 22.8 18.9 20.4 24.0 21.6 22.2 20.3 2022 18.3 11.4 18.6 18.6 24.6 26.5 20.2 24.8 18.7 19.1 15.6 17.2 2023 14.9 19.8 28.2 17.3 18.9 17.4 20.7 22.8 26.5 19.5 16.3 17.8 2024 17.9 17.3 16.6 28.5 21.0 26.1 27.1 26.1 20.2 19.0 15.2 21.1 2025 17.8 17.3 13.5 29.2 25.8 17.8 20.8 16.7 20.4 26.6 19.2 13.3 2026 15.7 19.3 23.7 20.1 30.8 19.7 20.3 19.4 17.4 - - -