OUTGOING LONG WAVE RADIATION EQUATOR/160E-160W ORIGINAL DATA YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1974-999.9-999.9-999.9-999.9-999.9 61.0 46.2 66.9 68.5 68.9 63.5 39.0 1975 32.0 52.0 54.5 48.7 64.1 59.6 64.7 72.8 74.0 73.3 67.5 67.0 1976 51.5 53.9 41.9 47.6 48.8 38.1 37.6 40.9 48.6 43.5 51.3 24.5 1977 24.4 44.4 19.4 36.6 48.9 50.1 42.8 50.0 53.7 48.5 36.5 8.0 1978 20.3 20.7-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 1979 23.4 25.4 32.7 42.5 43.3 48.9 54.0 54.1 52.5 40.8 40.4 29.0 1980 43.8 41.8 20.0 37.6 40.1 33.2 41.5 36.9 54.5 47.2 42.1 42.2 1981 40.8 24.1 22.2 23.3 50.9 49.4 47.8 64.8 53.6 54.8 51.9 34.7 1982 49.5 36.9 28.4 37.1 49.7 40.1 27.2 24.9 32.6 24.0 16.2 22.9 1983 11.3 24.7 38.0 42.7 29.7 28.9 29.9 49.0 52.1 57.3 51.0 53.9 1984 61.9 64.8 55.7 54.6 53.4 50.7 47.0 53.7 57.8 54.9 44.6 39.1 1985 37.3 54.3 26.0 49.8 60.3 51.4 51.4 57.4 53.6 55.0 45.6 37.9 1986 37.7 49.7 54.8 43.9 48.3 40.3 43.0 53.5 37.7 40.3 24.8 -0.4 1987 -1.2 -1.0 16.5 17.6 13.3 24.5 12.5 25.8 43.8 33.7 37.4 17.6 1988 21.0 23.6 44.0 40.9 51.4 57.3 59.8 67.9 70.4 65.2 65.8 61.5 1989 61.1 61.2 57.4 47.2 49.1 53.8 52.0 57.7 62.2 55.9 37.8 34.5 1990 19.8 19.8 14.7 25.8 42.3 45.5 43.0 39.9 43.3 50.3 40.7 29.7 1991 27.9 25.7 30.8 36.9 41.9 40.5 38.9 34.5 42.5 42.9 8.8 8.6 1992 0.6 14.8 5.4 11.8 14.6 28.0 39.1 46.8 53.1 44.2 30.8 13.3 1993 23.5 9.7 21.7 5.4 19.7 22.4 25.9 40.6 40.1 28.3 45.9 26.8 1994 33.5 44.7 41.3 32.0 40.5 45.4 41.5 41.2 37.5 43.3 25.7 -6.9 1995 8.5 25.2 36.7 40.3 46.0 50.6 52.1 61.9 59.5 66.0 60.7 52.8 1996 61.7 60.4 53.5 43.5 49.2 51.8 53.4 58.9 63.9 59.5 56.1 47.3 1997 41.9 42.5 21.6 19.0 16.3 29.7 22.8 24.8 32.8 12.2 38.8 14.4 1998 24.0 30.2 39.2 53.3 37.4 42.9 53.3 60.7 68.2 64.3 64.0 57.3 1999 62.5 54.5 59.8 53.3 53.8 52.1 49.6 61.5 69.4 65.9 59.0 65.3 2000 62.0 68.8 64.3 55.2 48.5 55.9 57.9 48.8 62.4 57.5 58.2 52.2 2001 58.7 44.7 49.5 37.6 39.8 44.0 45.9 44.6 58.3 50.3 41.2 8.7 2002 31.7 16.0 22.1 41.3 45.0 32.0 49.3 25.9 24.1 29.4 20.0 12.9 2003 -0.9 18.5 24.7 42.3 44.1 56.1 42.2 57.9 53.1 51.9 55.2 36.0 2004 21.3 41.7 29.2 24.1 46.6 26.9 48.3 44.6 48.8 47.3 36.1 35.7 2005 32.5 0.3 37.1 29.4 39.4 45.5 36.7 56.0 51.9 52.0 54.5 50.2 2006 47.9 40.8 53.5 41.9 53.3 37.4 46.6 42.9 46.5 35.7 36.8 25.4 2007 12.3 34.1 43.1 36.1 43.7 49.8 56.4 56.1 61.5 67.1 51.4 60.2 2008 44.1 67.9 66.1 56.5 57.2 48.4 53.8 55.9 55.7 63.1 56.2 62.2 2009 54.5 55.8 51.7 48.1 52.3-999.9-999.9-999.9-999.9-999.9-999.9 -2.7 2010 2.1 -0.6 14.4 32.6 52.7 59.3 58.2 65.6 74.2 72.8 70.8 71.3 2011 66.2 70.9 64.1 53.9 46.8 42.1 46.2 53.6 56.3 66.8 59.9 60.0 2012 61.2 63.9 50.3 39.3 42.0 45.8 33.1 51.9 45.9 46.5 44.9 44.8 2013 29.9 36.6 33.4 47.1 52.3 49.2 55.2 63.6 58.1 53.5 56.0 48.4 2014 38.6 38.2 19.7 22.3 40.7 32.2 43.5 55.5 54.5 49.0 50.3 37.8 2015 36.6 32.8 8.0 21.1 28.3 21.2 39.8 27.6 28.1 28.4 23.7 -4.3 2016 2.9 -2.6 12.3 22.9 40.2 44.8 52.7 62.1 65.4 66.1 66.6 55.3 2017 49.5 56.6 54.1 43.1 44.8 53.0 37.5 54.1 63.9 60.9 61.9 48.5 2018 61.6 35.1 45.4 56.2 57.8 59.8 49.3 55.7 57.5 56.6 39.8 32.4 2019 24.0 6.4 18.2 24.3 32.2 38.6 48.2 50.7 62.0 58.4 45.9 34.1 2020 23.5 14.7 38.8 48.2 54.0-999.9-999.9-999.9-999.9-999.9-999.9-999.9 OUTGOING LONG WAVE RADIATION EQUATOR/160E-160W ANOMALY YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1974-999.9-999.9-999.9-999.9-999.9 17.5 1.9 17.8 16.4 19.1 19.2 4.9 1975 -1.0 16.9 17.1 11.3 21.1 16.1 20.4 23.7 21.9 23.5 23.2 32.9 1976 18.5 18.8 4.5 10.1 5.8 -5.4 -6.7 -8.2 -3.5 -6.3 7.0 -9.6 1977 -8.6 9.3 -18.0 -0.9 5.9 6.6 -1.5 0.9 1.6 -1.3 -7.8 -26.1 1978 -12.7 -14.4-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 1979 -9.6 -9.7 -4.7 5.0 0.3 5.4 9.7 5.0 0.4 -9.0 -3.9 -5.1 1980 10.8 6.7 -17.4 0.1 -2.9 -10.3 -2.8 -12.2 2.4 -2.6 -2.2 8.1 1981 7.8 -11.0 -15.2 -14.2 7.9 5.9 3.5 15.7 1.5 5.0 7.6 0.6 1982 16.5 1.8 -9.0 -0.4 6.7 -3.4 -17.1 -24.2 -19.5 -25.8 -28.1 -11.2 1983 -21.7 -10.4 0.6 5.3 -13.3 -14.6 -14.4 -0.1 0.0 7.5 6.7 19.8 1984 28.9 29.7 18.3 17.1 10.4 7.2 2.7 4.6 5.7 5.1 0.3 5.0 1985 4.3 19.2 -11.4 12.3 17.3 7.9 7.1 8.3 1.5 5.2 1.3 3.8 1986 4.7 14.6 17.4 6.5 5.3 -3.2 -1.3 4.4 -14.4 -9.5 -19.5 -34.5 1987 -34.2 -36.1 -20.9 -19.9 -29.7 -19.0 -31.8 -23.3 -8.3 -16.1 -6.9 -16.5 1988 -12.0 -11.5 6.6 3.5 8.4 13.8 15.5 18.8 18.3 15.4 21.5 27.4 1989 28.1 26.1 20.0 9.8 6.1 10.3 7.7 8.6 10.1 6.1 -6.5 0.4 1990 -13.2 -15.3 -22.7 -11.7 -0.7 2.0 -1.3 -9.2 -8.8 0.5 -3.6 -4.4 1991 -5.1 -9.4 -6.6 -0.5 -1.1 -3.0 -5.4 -14.6 -9.6 -6.9 -35.5 -25.5 1992 -32.4 -20.3 -32.0 -25.7 -28.4 -15.5 -5.2 -2.3 1.0 -5.6 -13.5 -20.8 1993 -9.5 -25.4 -15.7 -32.0 -23.3 -21.1 -18.4 -8.5 -12.0 -21.5 1.6 -7.3 1994 0.5 9.6 3.9 -5.5 -2.5 1.9 -2.8 -7.9 -14.6 -6.5 -18.6 -41.0 1995 -24.5 -9.9 -0.7 2.8 3.0 7.1 7.8 12.8 7.4 16.2 16.4 18.7 1996 28.7 25.3 16.1 6.0 6.2 8.3 9.1 9.8 11.8 9.7 11.8 13.2 1997 8.9 7.4 -15.8 -18.5 -26.7 -13.8 -21.5 -24.3 -19.3 -37.6 -5.5 -19.7 1998 -9.0 -4.9 1.8 15.8 -5.6 -0.6 9.0 11.6 16.1 14.5 19.7 23.2 1999 29.5 19.4 22.4 15.8 10.8 8.6 5.3 12.4 17.3 16.1 14.7 31.2 2000 29.0 33.7 26.9 17.8 5.5 12.4 13.6 -0.3 10.3 7.7 13.9 18.1 2001 25.7 9.6 12.1 0.1 -3.2 0.5 1.6 -4.5 6.2 0.5 -3.1 -25.4 2002 -1.3 -19.1 -15.3 3.8 2.0 -11.5 5.0 -23.2 -28.0 -20.4 -24.3 -21.2 2003 -33.9 -16.6 -12.7 4.8 1.1 12.6 -2.1 8.8 1.0 2.1 10.9 1.9 2004 -11.7 6.6 -8.2 -13.4 3.6 -16.6 4.0 -4.5 -3.3 -2.5 -8.2 1.6 2005 -0.5 -34.8 -0.3 -8.1 -3.6 2.0 -7.6 6.9 -0.2 2.2 10.2 16.1 2006 14.9 5.7 16.1 4.5 10.3 -6.1 2.3 -6.2 -5.6 -14.1 -7.5 -8.7 2007 -20.7 -1.0 5.7 -1.4 0.7 6.3 12.1 7.0 9.4 17.3 7.1 26.1 2008 11.1 32.8 28.7 19.0 14.2 4.9 9.5 6.8 3.6 13.3 11.9 28.1 2009 21.5 20.7 14.3 10.6 9.3-999.9-999.9-999.9-999.9-999.9-999.9 -36.8 2010 -30.9 -35.7 -23.0 -4.9 9.7 15.8 13.9 16.5 22.1 23.0 26.5 37.2 2011 33.2 35.8 26.7 16.5 3.8 -1.4 1.9 4.5 4.2 17.0 15.6 25.9 2012 28.2 28.8 12.9 1.8 -1.0 2.3 -11.2 2.8 -6.2 -3.3 0.6 10.7 2013 -3.1 1.5 -4.0 9.6 9.3 5.7 10.9 14.5 6.0 3.7 11.7 14.3 2014 5.6 3.1 -17.7 -15.2 -2.3 -11.3 -0.8 6.4 2.4 -0.8 6.0 3.7 2015 3.6 -2.3 -29.4 -16.4 -14.7 -22.3 -4.5 -21.5 -24.0 -21.4 -20.6 -38.4 2016 -30.1 -37.7 -25.1 -14.6 -2.8 1.3 8.4 13.0 13.3 16.3 22.3 21.2 2017 16.5 21.5 16.7 5.6 1.8 9.5 -6.8 5.0 11.8 11.1 17.6 14.4 2018 28.6 -0.0 8.0 18.8 14.8 16.3 5.0 6.6 5.4 6.8 -4.5 -1.7 2019 -9.0 -28.7 -19.2 -13.2 -10.8 -4.9 3.9 1.6 9.9 8.6 1.6 0.0 2020 -9.5 -20.4 1.4 10.8 11.0-999.9-999.9-999.9-999.9-999.9-999.9-999.9 OUTGOING LONG WAVE RADIATION EQUATOR/160E-160W STANDARDIZED DATA YEAR JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC 1974-999.9-999.9-999.9-999.9-999.9 1.1 0.1 1.1 1.1 1.2 1.2 0.3 1975 -0.1 1.1 1.1 0.7 1.4 1.0 1.3 1.5 1.4 1.5 1.5 2.1 1976 1.2 1.2 0.3 0.7 0.4 -0.3 -0.4 -0.5 -0.2 -0.4 0.4 -0.6 1977 -0.6 0.6 -1.2 -0.1 0.4 0.4 -0.1 0.1 0.1 -0.1 -0.5 -1.7 1978 -0.8 -0.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9-999.9 1979 -0.6 -0.6 -0.3 0.3 0.0 0.4 0.6 0.3 0.0 -0.6 -0.3 -0.3 1980 0.7 0.4 -1.1 0.0 -0.2 -0.7 -0.2 -0.8 0.2 -0.2 -0.1 0.5 1981 0.5 -0.7 -1.0 -0.9 0.5 0.4 0.2 1.0 0.1 0.3 0.5 0.0 1982 1.1 0.1 -0.6 -0.0 0.4 -0.2 -1.1 -1.6 -1.3 -1.7 -1.8 -0.7 1983 -1.4 -0.7 0.0 0.3 -0.9 -0.9 -0.9 -0.0 0.0 0.5 0.4 1.3 1984 1.9 1.9 1.2 1.1 0.7 0.5 0.2 0.3 0.4 0.3 0.0 0.3 1985 0.3 1.2 -0.7 0.8 1.1 0.5 0.5 0.5 0.1 0.3 0.1 0.2 1986 0.3 0.9 1.1 0.4 0.3 -0.2 -0.1 0.3 -0.9 -0.6 -1.3 -2.2 1987 -2.2 -2.3 -1.4 -1.3 -1.9 -1.2 -2.1 -1.5 -0.5 -1.0 -0.4 -1.1 1988 -0.8 -0.7 0.4 0.2 0.5 0.9 1.0 1.2 1.2 1.0 1.4 1.8 1989 1.8 1.7 1.3 0.6 0.4 0.7 0.5 0.6 0.7 0.4 -0.4 0.0 1990 -0.9 -1.0 -1.5 -0.8 -0.0 0.1 -0.1 -0.6 -0.6 0.0 -0.2 -0.3 1991 -0.3 -0.6 -0.4 -0.0 -0.1 -0.2 -0.4 -0.9 -0.6 -0.4 -2.3 -1.6 1992 -2.1 -1.3 -2.1 -1.7 -1.8 -1.0 -0.3 -0.1 0.1 -0.4 -0.9 -1.3 1993 -0.6 -1.6 -1.0 -2.1 -1.5 -1.4 -1.2 -0.5 -0.8 -1.4 0.1 -0.5 1994 0.0 0.6 0.2 -0.4 -0.2 0.1 -0.2 -0.5 -0.9 -0.4 -1.2 -2.6 1995 -1.6 -0.6 -0.0 0.2 0.2 0.5 0.5 0.8 0.5 1.0 1.1 1.2 1996 1.9 1.6 1.0 0.4 0.4 0.5 0.6 0.6 0.8 0.6 0.8 0.9 1997 0.6 0.5 -1.0 -1.2 -1.7 -0.9 -1.4 -1.6 -1.2 -2.4 -0.4 -1.3 1998 -0.6 -0.3 0.1 1.0 -0.4 -0.0 0.6 0.7 1.0 0.9 1.3 1.5 1999 1.9 1.2 1.4 1.0 0.7 0.6 0.3 0.8 1.1 1.0 0.9 2.0 2000 1.9 2.2 1.7 1.1 0.4 0.8 0.9 -0.0 0.7 0.5 0.9 1.2 2001 1.7 0.6 0.8 0.0 -0.2 0.0 0.1 -0.3 0.4 0.0 -0.2 -1.6 2002 -0.1 -1.2 -1.0 0.2 0.1 -0.7 0.3 -1.5 -1.8 -1.3 -1.6 -1.4 2003 -2.2 -1.1 -0.8 0.3 0.1 0.8 -0.1 0.6 0.1 0.1 0.7 0.1 2004 -0.8 0.4 -0.5 -0.9 0.2 -1.1 0.3 -0.3 -0.2 -0.2 -0.5 0.1 2005 -0.0 -2.2 -0.0 -0.5 -0.2 0.1 -0.5 0.4 -0.0 0.1 0.7 1.0 2006 1.0 0.4 1.0 0.3 0.7 -0.4 0.1 -0.4 -0.4 -0.9 -0.5 -0.6 2007 -1.3 -0.1 0.4 -0.1 0.0 0.4 0.8 0.5 0.6 1.1 0.5 1.7 2008 0.7 2.1 1.8 1.2 0.9 0.3 0.6 0.4 0.2 0.9 0.8 1.8 2009 1.4 1.3 0.9 0.7 0.6-999.9-999.9-999.9-999.9-999.9-999.9 -2.4 2010 -2.0 -2.3 -1.5 -0.3 0.6 1.0 0.9 1.1 1.4 1.5 1.7 2.4 2011 2.1 2.3 1.7 1.1 0.2 -0.1 0.1 0.3 0.3 1.1 1.0 1.7 2012 1.8 1.9 0.8 0.1 -0.1 0.2 -0.7 0.2 -0.4 -0.2 0.0 0.7 2013 -0.2 0.1 -0.3 0.6 0.6 0.4 0.7 0.9 0.4 0.2 0.8 0.9 2014 0.4 0.2 -1.1 -1.0 -0.1 -0.7 -0.1 0.4 0.2 -0.1 0.4 0.2 2015 0.2 -0.2 -1.9 -1.1 -0.9 -1.4 -0.3 -1.4 -1.5 -1.4 -1.3 -2.5 2016 -1.9 -2.4 -1.6 -0.9 -0.2 0.1 0.5 0.8 0.9 1.0 1.4 1.4 2017 1.1 1.4 1.1 0.4 0.1 0.6 -0.4 0.3 0.8 0.7 1.1 0.9 2018 1.8 -0.0 0.5 1.2 1.0 1.1 0.3 0.4 0.3 0.4 -0.3 -0.1 2019 -0.6 -1.9 -1.2 -0.8 -0.7 -0.3 0.2 0.1 0.6 0.6 0.1 0.0 2020 -0.6 -1.3 0.1 0.7 0.7-999.9-999.9-999.9-999.9-999.9-999.9-999.9