Full Idea
The concept of temperature is not the same as the concept of mean molecular kinetic energy. But temperature is mean molecular kinetic energy.
Clarification
Their reference is the same, but their meaning is different
Gist of Idea
Temperature is mean molecular kinetic energy, but they are two different concepts
Source
Hilary Putnam (The Nature of Mental States [1968], p.52)
Book Reference
'The Philosophy of Mind', ed/tr. Beakley,B /Ludlow P [MIT 1992], p.52
A Reaction
This is the standard analogy for mind-brain identity, and it seems fair enough to me. The mind is the activity of the brain. It is rather unhelpful to think of weather in terms of chemistry, but it is actions of chemicals.