I have added a link to Dr. Nicola Scafetta’s harmonic model of the global temperatures in the right sidebar. Click on the graphic for details.
Dr Scafetta thnks that global temperature are made of four major decadal and multidecadal cycles (period 9.1, 10.4, 20 and 60 years), which are approximately consistent with four major solar/lunar/astronomical cycles, plus a corrected anthropogenic net warming contribution.
You thoughts on climate cycles.
The Next Grand Minimum 