The official NOAA data for February is in and the trend that has been ongoing now for 13 years is continuing. Various world data sets are reporting the absence of any significant global warming since 1998 despite the continuing rise in atmospheric carbon dioxide levels. For the contiguous U.S. there not only is no significant warming but instead we are seeing a significant cooling trend of 9.3 deg F/ century.
Most Recent 12-Month Period (Mar – Feb) Temperature
Contiguous United States
Most Recent 12-Month Period (Mar – Feb) 1998 – 2011 Average = 54.05 degF
Most Recent 12-Month Period (Mar – Feb) 1998 – 2011 Trend = -0.93 degF / Decade