None of us are used to dealing in yearly average temperatures, and the annual mean temperature hides the combination of a cold winter and a hot summer. (williamcalvin.com)
While Mora's models, based on yearly average temperatures, don't forecast monthly highs, lows or precipitation changes, they do show warming trends. (scientificamerican.com)
Yearly average temperatures up to 2004 are app. (realclimate.org)