Roger Chapman wrote:


Tree ring data is apparently considerably more suspect. IIUC that leaked
e-mail about adding in the real temperatures relates to a problem trying
to match the proxy (or should that be poxy) data for the very recent
past to the real temperature which is known for sure.

tree ring is more indicative of rainfall than CO2.
There is allegedly a big correlation between tree ring data and drawn
cricket matches (wisden) it being supposed that rain was the cause of both.