All three of
those comparison graphs present the anomalies using the base years of 1981 to 2010.
Not exact matches
The level of yields — around 4 1/4 per cent at
present — looks low not only on historical
comparisons but also relative to normal benchmarks such as the growth rate of nominal GDP, which in the US is currently around 6 per cent (
Graph 16).
The information is
presented in a series of charts and
graphs, and includes
comparisons to national averages.
The authors have done that as well in some discussion of the results, but their
graphs don't
present such a
comparison as far as I can judge.
if we assume CRN12 as our best guess of «the real temperature», I see in the second
graph that for the warm 1930 period GISS introduces a 0.1 - 0.2 degrees negative correction, so these years are somewhat «deflated» in
comparison to
present, and then possibly — at the very end of
graph — I see also a 0.15 degrees «inflation» of
present temperatures.