Coolest 12-Month Period In Twelve Years: Huge U.S. Cooling Trend Continues, Now A -8.4°F Decline/Century

Source here. Temperatures as of May 31, 2010. Of course, it will warm again, but the decade-long plus global cooling trend has not yet abated, which has been a major surprise for all global warming alarmists. This trend has persisted since the 1997-98 El Niño event. With the continental U.S. having the most extensive thermometer network in the world, this suggests that possibly other areas of the world would be reporting cooling if they also had the extent of temperature measuring coverage that the U.S. has.

The 12-month period ending May 31, 2010 was the coldest period for all twelve May-ending periods since 1998.

The AGW hypothesis calls for global warming, which is obviously not happening in the U.S. - the case for AGW is significantly weakened by this type of empirical evidence. Just as a reminder, the climate models predicted "global" warming, not partial-global warming, as seems to be the present situation. Note: A temperature trend, as shown in the chart, is not a prediction.

(click on image to enlarge)

Additional current temp charts here. Historical temp charts here.