Grand Junction Sentinel: Grand Junction’s recent hot summers are part of a warming trend in temperatures across Colorado, in which average annual temperatures have been more than 2 degrees above the historical average every year since 2000, according to a study released by Environment Colorado. The study, ‘Feeling the Heat: Global Warming and Rising Temperatures in the United States,’ compared temperatures from 2000 to 2007 against historical averages from 1971 to 2000 for all 50 states. Alamosa and …