Have they further lowered historical temperatures to make it appear warmer?
Or is this more of the so-called climate change hoax?
Rhetorical questions, all.
Before answering, check the blogs on how the gubmit ALTERED existing temperature records (for very non defendable reasons to we true science types) so as to actually RAISE the temp trend for the past few decades.
Given the documented alterations of the data, we can now answer some questions presented in a previous reply.
Hotter than 1933? 1998? No.
Have they further lowered historical temperatures to make it appear warmer? Yes
Or is this more of the so-called climate change hoax? Hell yes.