850 MB TRADE WIND INDEX(175W-140W)5N 5S CENTRAL PACIFIC ORIGINAL DATA YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1979 6.3 10.0 9.8 7.9 7.8 9.2 6.9 6.9 6.7 5.9 8.6 7.9 1980 6.9 7.5 3.8 5.7 5.2 6.8 9.0 11.1 10.4 10.4 9.2 10.6 1981 11.2 8.1 8.9 6.8 9.7 9.1 11.5 9.6 12.1 8.7 9.5 9.7 1982 10.1 8.3 7.5 6.1 5.5 6.4 6.8 6.4 2.7 0.7 -1.3 0.1 1983 1.9 2.4 -0.2 -0.2 2.7 5.8 8.3 10.2 10.3 9.8 7.8 10.8 1984 11.7 11.4 7.1 9.3 8.9 9.8 10.0 9.7 8.0 10.1 8.9 10.1 1985 8.6 13.1 10.3 9.5 10.2 9.1 8.5 9.9 9.8 7.0 6.3 7.3 1986 10.8 8.5 11.2 8.5 7.7 9.6 7.5 6.4 6.6 6.0 4.6 5.8 1987 7.6 5.1 5.0 3.3 2.2 5.2 4.2 5.5 6.8 5.7 6.9 7.5 1988 10.0 8.5 10.0 8.2 10.2 9.8 11.9 10.7 13.4 11.6 12.1 11.2 1989 12.4 10.9 10.8 10.5 10.0 8.1 9.8 8.8 7.5 9.8 7.6 6.3 1990 8.7 6.1 8.1 8.1 8.1 8.8 7.1 9.0 7.5 7.2 6.5 6.9 1991 8.8 9.7 8.0 8.1 6.4 6.4 7.6 8.3 5.6 6.0 3.5 2.0 1992 1.2 3.8 2.4 2.9 5.0 7.5 6.4 8.3 5.8 7.1 4.5 6.0 1993 6.6 6.7 7.4 5.3 5.9 6.1 8.2 6.6 6.5 6.1 6.4 9.3 1994 9.9 10.9 8.5 8.1 7.3 8.7 7.3 7.1 6.2 3.8 3.9 7.4 1995 9.7 7.5 9.3 8.0 8.7 8.7 9.1 9.9 8.8 7.9 8.4 6.8 1996 11.3 12.1 10.7 9.0 9.1 9.5 9.8 8.2 9.3 8.0 8.3 9.9 1997 8.7 11.3 6.8 5.8 5.9 1.3 6.8 3.3 0.7 -3.2 -0.7 2.6 1998 2.3 2.3 1.8 2.5 6.5 8.0 9.8 9.0 8.4 10.2 10.3 11.6 1999 12.4 11.6 10.6 9.4 9.3 8.8 10.7 9.7 7.5 9.2 10.3 11.3 2000 12.4 13.5 10.3 9.4 8.7 9.0 8.2 9.9 7.0 9.2 8.8 9.7 2001 11.4 12.6 9.4 9.2 8.4 8.5 8.0 9.1 6.4 6.7 8.9 8.4 2002 9.3 9.4 10.2 8.0 6.9 8.1 6.1 7.9 5.1 5.6 7.9 7.1 2003 9.2 8.4 8.8 8.8 8.3 6.4 9.2 7.7 7.0 6.6 7.4 10.6 2004 8.3 11.1 10.4 8.8 8.6 9.3 6.6 8.3 7.7 6.8 7.6 6.9 2005 9.9 7.5 8.2 9.2 7.5 8.3 9.4 7.6 8.1 8.5 8.5 10.3 2006 12.1 10.8 10.3 9.1 7.4 9.0 7.2 7.2 8.2 5.2 6.1 9.2 2007 10.6 11.0 10.6 9.7 8.7 10.1 8.5 9.5 11.2 8.7 11.2 11.6 2008 12.5 12.2 10.3 9.5 8.9 9.1 8.6 8.8 9.0 8.3 10.3 11.0 2009 10.7 11.7 9.3 8.8 7.7 6.6 9.3 7.0 8.7 4.3 6.8 5.7 2010 8.9 6.1 8.6 7.1 8.9 8.7 10.2 10.4 9.2 11.1 10.0 13.5 2011 10.9 11.4 11.0 9.4 9.1 9.5 9.9 9.6 10.6 7.3 10.3 11.5 2012 11.5 10.1 10.7 9.2 9.1 7.3 8.8 7.8 8.6 6.6 8.4 8.5 2013 10.0 10.6 9.5 9.1 7.5 8.0 8.4 7.4 8.6 6.6 7.3 8.9 2014 9.9 8.0 7.8 7.5 6.5 8.6 8.5 6.3 7.5 6.3 5.6 7.9 2015 7.2 7.9 7.8 6.0 4.7 6.4 2.8 5.1 5.2 1.2 4.3 5.4 2016 3.7 7.8 7.9 7.1 7.8 6.9 7.9 9.0 8.4 7.7 7.8 8.2 2017 9.8 10.1 10.7 7.4 7.7 7.0 9.3 8.4 8.1 7.9 9.5 9.2 2018 11.4 8.4 11.8 9.3 7.9 5.7 8.7 6.7 5.9 5.0 6.5 9.1 2019 8.4 7.2 8.2 8.8 6.4 8.9 6.8 9.7 5.6 6.4 7.0 7.6 2020 8.9 8.9 10.9 10.4 10.6 8.4 10.9 9.4 11.3 11.3 10.7 12.7 2021 13.3 12.5 10.4 10.6 12.0 8.0 11.9 9.1 11.7 9.6 10.9 12.6 2022 9.3 13.3 12.7 11.1 10.6 9.0 12.7 11.6 10.3 11.8 10.5 12.9 2023 12.7 12.8 10.0 8.7 8.7 8.3 9.1 6.9 7.0 5.1 4.3 5.9 2024 9.2 8.1-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2025-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2026-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2027-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2028-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 850 MB TRADE WIND INDEX(175W-140W)5N 5S CENTRAL PACIFIC ANOMALY YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1979 -3.0 0.9 1.4 0.3 0.2 1.2 -1.5 -1.4 -1.0 -1.2 1.4 -0.3 1980 -2.4 -1.6 -4.6 -1.9 -2.4 -1.2 0.6 2.8 2.7 3.3 2.0 2.4 1981 1.9 -1.0 0.5 -0.8 2.1 1.1 3.1 1.3 4.4 1.6 2.3 1.5 1982 0.8 -0.8 -0.9 -1.5 -2.1 -1.6 -1.6 -1.9 -5.0 -6.4 -8.5 -8.1 1983 -7.4 -6.7 -8.6 -7.8 -4.9 -2.2 -0.1 1.9 2.6 2.7 0.6 2.6 1984 2.4 2.3 -1.3 1.7 1.3 1.8 1.6 1.4 0.3 3.0 1.7 1.9 1985 -0.7 4.0 1.9 1.9 2.6 1.1 0.1 1.6 2.1 -0.1 -0.9 -0.9 1986 1.5 -0.6 2.8 0.9 0.1 1.6 -0.9 -1.9 -1.1 -1.1 -2.6 -2.4 1987 -1.7 -4.0 -3.4 -4.3 -5.4 -2.8 -4.2 -2.8 -0.9 -1.4 -0.3 -0.7 1988 0.7 -0.6 1.6 0.6 2.6 1.8 3.5 2.4 5.7 4.5 4.9 3.0 1989 3.1 1.8 2.4 2.9 2.4 0.1 1.4 0.5 -0.2 2.7 0.4 -1.9 1990 -0.6 -3.0 -0.3 0.5 0.5 0.8 -1.3 0.7 -0.2 0.1 -0.7 -1.3 1991 -0.5 0.6 -0.4 0.5 -1.2 -1.6 -0.8 -0.0 -2.1 -1.1 -3.7 -6.2 1992 -8.1 -5.3 -6.0 -4.7 -2.6 -0.5 -2.0 -0.0 -1.9 0.0 -2.7 -2.2 1993 -2.7 -2.4 -1.0 -2.3 -1.7 -1.9 -0.2 -1.7 -1.2 -1.0 -0.8 1.1 1994 0.6 1.8 0.1 0.5 -0.3 0.7 -1.1 -1.2 -1.5 -3.3 -3.3 -0.8 1995 0.4 -1.6 0.9 0.4 1.1 0.7 0.7 1.6 1.1 0.8 1.2 -1.4 1996 2.0 3.0 2.3 1.4 1.5 1.5 1.4 -0.1 1.6 0.9 1.1 1.7 1997 -0.6 2.2 -1.6 -1.8 -1.7 -6.7 -1.6 -5.0 -7.0 -10.3 -7.9 -5.6 1998 -7.0 -6.8 -6.6 -5.1 -1.1 0.0 1.4 0.7 0.7 3.1 3.1 3.4 1999 3.1 2.5 2.2 1.8 1.7 0.8 2.3 1.4 -0.2 2.1 3.1 3.1 2000 3.1 4.4 1.9 1.8 1.1 1.0 -0.2 1.6 -0.7 2.1 1.6 1.5 2001 2.1 3.5 1.0 1.6 0.8 0.5 -0.4 0.8 -1.3 -0.4 1.7 0.2 2002 -0.0 0.3 1.8 0.4 -0.7 0.1 -2.3 -0.4 -2.6 -1.5 0.7 -1.1 2003 -0.1 -0.7 0.4 1.2 0.7 -1.6 0.8 -0.6 -0.7 -0.5 0.2 2.4 2004 -1.0 2.0 2.0 1.2 1.0 1.3 -1.8 -0.0 -0.0 -0.3 0.4 -1.3 2005 0.6 -1.6 -0.2 1.6 -0.1 0.3 1.0 -0.7 0.4 1.4 1.3 2.1 2006 2.8 1.7 1.9 1.5 -0.2 1.0 -1.2 -1.1 0.5 -1.9 -1.1 1.0 2007 1.3 1.9 2.2 2.1 1.1 2.1 0.1 1.2 3.5 1.6 4.0 3.4 2008 3.2 3.1 1.9 1.9 1.3 1.1 0.2 0.5 1.3 1.2 3.1 2.8 2009 1.4 2.6 0.9 1.2 0.1 -1.4 0.9 -1.3 1.0 -2.8 -0.4 -2.5 2010 -0.4 -3.0 0.2 -0.5 1.3 0.7 1.8 2.1 1.5 4.0 2.8 5.3 2011 1.6 2.3 2.6 1.8 1.5 1.5 1.5 1.3 2.9 0.2 3.1 3.3 2012 2.2 1.0 2.3 1.6 1.5 -0.7 0.4 -0.5 0.9 -0.5 1.2 0.3 2013 0.7 1.5 1.1 1.5 -0.1 0.0 -0.0 -0.9 0.9 -0.5 0.1 0.7 2014 0.6 -1.1 -0.6 -0.1 -1.1 0.6 0.1 -2.0 -0.2 -0.8 -1.6 -0.3 2015 -2.1 -1.2 -0.6 -1.6 -2.9 -1.6 -5.6 -3.2 -2.5 -5.9 -2.9 -2.8 2016 -5.6 -1.3 -0.5 -0.5 0.2 -1.1 -0.5 0.7 0.7 0.6 0.6 -0.0 2017 0.5 1.0 2.3 -0.2 0.1 -1.0 0.9 0.1 0.4 0.8 2.3 1.0 2018 2.1 -0.7 3.4 1.7 0.3 -2.3 0.3 -1.6 -1.8 -2.1 -0.7 0.9 2019 -0.9 -1.9 -0.2 1.2 -1.2 0.9 -1.6 1.4 -2.1 -0.7 -0.2 -0.6 2020 -0.4 -0.2 2.5 2.8 3.0 0.4 2.5 1.1 3.6 4.2 3.5 4.5 2021 4.0 3.4 2.0 3.0 4.4 0.0 3.5 0.8 4.0 2.5 3.7 4.4 2022 -0.0 4.2 4.3 3.5 3.0 1.0 4.3 3.3 2.6 4.7 3.3 4.7 2023 3.4 3.7 1.6 1.1 1.1 0.3 0.7 -1.4 -0.7 -2.0 -2.9 -2.3 2024 -0.1 -1.0-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2025-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2026-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2027-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2028-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 850 MB TRADE WIND INDEX(175W-140W)5N 5S CENTRAL PACIFIC STANDARDIZED DATA YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1979 -1.2 0.4 0.6 0.1 0.1 0.5 -0.6 -0.6 -0.4 -0.5 0.5 -0.1 1980 -1.0 -0.6 -1.8 -0.7 -1.0 -0.5 0.2 1.1 1.1 1.3 0.8 0.9 1981 0.7 -0.4 0.2 -0.3 0.8 0.4 1.2 0.5 1.7 0.6 0.9 0.6 1982 0.3 -0.3 -0.3 -0.6 -0.8 -0.6 -0.6 -0.8 -2.0 -2.5 -3.4 -3.2 1983 -2.9 -2.6 -3.4 -3.1 -2.0 -0.9 -0.0 0.7 1.0 1.1 0.2 1.0 1984 0.9 0.9 -0.5 0.7 0.5 0.7 0.6 0.5 0.1 1.2 0.7 0.7 1985 -0.3 1.6 0.8 0.8 1.0 0.4 0.0 0.6 0.8 -0.0 -0.4 -0.4 1986 0.6 -0.2 1.1 0.4 0.0 0.6 -0.4 -0.8 -0.4 -0.4 -1.0 -1.0 1987 -0.7 -1.6 -1.3 -1.7 -2.2 -1.1 -1.7 -1.1 -0.4 -0.5 -0.1 -0.3 1988 0.3 -0.2 0.7 0.3 1.0 0.7 1.4 0.9 2.3 1.8 1.9 1.2 1989 1.2 0.7 1.0 1.2 0.9 0.0 0.5 0.2 -0.1 1.1 0.1 -0.8 1990 -0.2 -1.2 -0.1 0.2 0.2 0.3 -0.5 0.3 -0.1 0.0 -0.3 -0.5 1991 -0.2 0.2 -0.1 0.2 -0.5 -0.6 -0.3 -0.0 -0.8 -0.4 -1.5 -2.5 1992 -3.2 -2.1 -2.4 -1.8 -1.0 -0.2 -0.8 -0.0 -0.8 0.0 -1.1 -0.9 1993 -1.1 -0.9 -0.4 -0.9 -0.7 -0.7 -0.1 -0.7 -0.5 -0.4 -0.3 0.4 1994 0.2 0.7 0.1 0.2 -0.1 0.3 -0.4 -0.5 -0.6 -1.3 -1.3 -0.3 1995 0.2 -0.6 0.4 0.2 0.4 0.3 0.3 0.6 0.4 0.3 0.5 -0.6 1996 0.8 1.2 0.9 0.6 0.6 0.6 0.5 -0.1 0.6 0.4 0.4 0.7 1997 -0.2 0.9 -0.6 -0.7 -0.7 -2.6 -0.6 -2.0 -2.8 -4.1 -3.1 -2.2 1998 -2.8 -2.7 -2.6 -2.0 -0.5 0.0 0.5 0.3 0.3 1.2 1.2 1.3 1999 1.2 1.0 0.9 0.7 0.7 0.3 0.9 0.5 -0.1 0.8 1.2 1.2 2000 1.2 1.7 0.8 0.7 0.4 0.4 -0.1 0.6 -0.3 0.8 0.6 0.6 2001 0.8 1.4 0.4 0.6 0.3 0.2 -0.2 0.3 -0.5 -0.2 0.7 0.1 2002 -0.0 0.1 0.7 0.2 -0.3 0.0 -0.9 -0.2 -1.0 -0.6 0.3 -0.4 2003 -0.0 -0.3 0.2 0.5 0.3 -0.6 0.3 -0.3 -0.3 -0.2 0.1 0.9 2004 -0.4 0.8 0.8 0.5 0.4 0.5 -0.7 -0.0 -0.0 -0.1 0.1 -0.5 2005 0.2 -0.6 -0.1 0.6 -0.1 0.1 0.4 -0.3 0.2 0.6 0.5 0.8 2006 1.1 0.7 0.8 0.6 -0.1 0.4 -0.5 -0.4 0.2 -0.7 -0.5 0.4 2007 0.5 0.8 0.9 0.8 0.4 0.8 0.0 0.5 1.4 0.6 1.6 1.3 2008 1.3 1.2 0.8 0.8 0.5 0.4 0.1 0.2 0.5 0.5 1.2 1.1 2009 0.6 1.0 0.4 0.5 0.0 -0.6 0.3 -0.5 0.4 -1.1 -0.2 -1.0 2010 -0.2 -1.2 0.1 -0.2 0.5 0.3 0.7 0.8 0.6 1.6 1.1 2.1 2011 0.6 0.9 1.0 0.7 0.6 0.6 0.6 0.5 1.1 0.1 1.2 1.3 2012 0.9 0.4 0.9 0.6 0.6 -0.3 0.2 -0.2 0.4 -0.2 0.5 0.1 2013 0.3 0.6 0.5 0.6 -0.1 0.0 -0.0 -0.4 0.4 -0.2 0.0 0.3 2014 0.2 -0.4 -0.2 -0.0 -0.5 0.2 0.0 -0.8 -0.1 -0.3 -0.6 -0.1 2015 -0.8 -0.5 -0.2 -0.6 -1.2 -0.6 -2.2 -1.3 -1.0 -2.3 -1.2 -1.1 2016 -2.2 -0.5 -0.2 -0.2 0.1 -0.4 -0.2 0.3 0.3 0.2 0.2 -0.0 2017 0.2 0.4 0.9 -0.1 0.0 -0.4 0.3 0.0 0.2 0.3 0.9 0.4 2018 0.8 -0.3 1.4 0.7 0.1 -0.9 0.1 -0.6 -0.7 -0.8 -0.3 0.3 2019 -0.4 -0.7 -0.1 0.5 -0.5 0.4 -0.6 0.5 -0.8 -0.3 -0.1 -0.2 2020 -0.2 -0.1 1.0 1.1 1.2 0.2 1.0 0.4 1.4 1.7 1.4 1.8 2021 1.6 1.3 0.8 1.2 1.7 0.0 1.4 0.3 1.6 1.0 1.4 1.7 2022 -0.0 1.7 1.7 1.4 1.2 0.4 1.7 1.3 1.0 1.9 1.3 1.8 2023 1.3 1.5 0.7 0.5 0.4 0.1 0.3 -0.6 -0.3 -0.8 -1.2 -0.9 2024 -0.0 -0.4-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2025-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2026-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2027-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 2028-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9