Year
|
All GHGs
|
Threshold
|
Minimum
|
Maximum
|
All GHGs with older radiative values for aerosols
|
1850
|
|
450
|
400
|
500
|
|
1855
|
|
450
|
400
|
500
|
|
1860
|
|
450
|
400
|
500
|
|
1865
|
|
450
|
400
|
500
|
|
1870
|
|
450
|
400
|
500
|
|
1875
|
|
450
|
400
|
500
|
|
1880
|
|
450
|
400
|
500
|
|
1885
|
|
450
|
400
|
500
|
|
1890
|
|
450
|
400
|
500
|
|
1895
|
|
450
|
400
|
500
|
|
1900
|
|
450
|
400
|
500
|
|
1905
|
|
450
|
400
|
500
|
|
1910
|
|
450
|
400
|
500
|
|
1915
|
|
450
|
400
|
500
|
|
1920
|
|
450
|
400
|
500
|
|
1925
|
|
450
|
400
|
500
|
|
1930
|
|
450
|
400
|
500
|
|
1935
|
|
450
|
400
|
500
|
|
1940
|
|
450
|
400
|
500
|
|
1945
|
|
450
|
400
|
500
|
|
1950
|
|
450
|
400
|
500
|
|
1955
|
|
450
|
400
|
500
|
|
1960
|
|
450
|
400
|
500
|
|
1965
|
|
450
|
400
|
500
|
|
1970
|
319.7
|
450
|
400
|
500
|
301.6
|
1975
|
329.2
|
450
|
400
|
500
|
313.1
|
1978
|
336.7
|
450
|
400
|
500
|
321.7
|
1979
|
339.8
|
450
|
400
|
500
|
325.2
|
1980
|
343.2
|
450
|
400
|
500
|
329.0
|
1981
|
345.2
|
450
|
400
|
500
|
331.5
|
1982
|
347.8
|
450
|
400
|
500
|
334.5
|
1983
|
350.3
|
450
|
400
|
500
|
337.5
|
1984
|
353
|
450
|
400
|
500
|
340.6
|
1985
|
355.4
|
450
|
400
|
500
|
343.5
|
1986
|
358
|
450
|
400
|
500
|
346.6
|
1987
|
360.5
|
450
|
400
|
500
|
349.6
|
1988
|
364.3
|
450
|
400
|
500
|
353.8
|
1989
|
367.1
|
450
|
400
|
500
|
357.1
|
1990
|
369
|
450
|
400
|
500
|
359.5
|
1991
|
372.1
|
450
|
400
|
500
|
362.2
|
1992
|
373.9
|
450
|
400
|
500
|
363.6
|
1993
|
375.6
|
450
|
400
|
500
|
364.8
|
1994
|
378.4
|
450
|
400
|
500
|
367.1
|
1995
|
381.5
|
450
|
400
|
500
|
369.7
|
1996
|
384.3
|
450
|
400
|
500
|
372.1
|
1997
|
386.5
|
450
|
400
|
500
|
373.8
|
1998
|
390.2
|
450
|
400
|
500
|
377.0
|
1999
|
393.6
|
450
|
400
|
500
|
379.9
|
2000
|
395.7
|
450
|
400
|
500
|
381.5
|
2001
|
397.4
|
450
|
400
|
500
|
383.6
|
2002
|
399.4
|
450
|
400
|
500
|
386.0
|
2003
|
402.3
|
450
|
400
|
500
|
389.2
|
2004
|
403.8
|
450
|
400
|
500
|
391.1
|
2005
|
406.3
|
450
|
400
|
500
|
394.0
|
2006
|
410.6
|
450
|
400
|
500
|
396.6
|
2007
|
414.6
|
450
|
400
|
500
|
398.8
|
2008
|
419.1
|
450
|
400
|
500
|
401.6
|
2009
|
422.7
|
450
|
400
|
500
|
403.4
|
2010
|
427.3
|
450
|
400
|
500
|
406.2
|
2011
|
431.5
|
450
|
400
|
500
|
408.7
|
2012
|
434.8
|
450
|
400
|
500
|
411.4
|