Dave, I rarely post or blog but this was such a fine piece work I felt the need to let you know how much I appreciated it. The amount of information and quality is without question. I have been following the Global warming since the mid 80's and had always loved reading about the weather and became very interested in this beginning trend of news. I knew fist hand via a friend of mine from Huachuca City, AZ about how his father had grown many Citrus trees (Lemons, Oranges and Grapefruit) on their 8 acres from the late 20's to the early 40's and was never frost bitten untill the 40's. I was aware of many of the facts you presented. Thanks again for this article.