If Only There Was Some Theory To Explain This...
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The average temperatures of the first half of 2006 were the highest ever recorded for the continental United States, scientists announced today.

Temperatures for January through June were 3.4 degrees Fahrenheit above the 20th-century average.

Texas, Oklahoma, Kansas, Nebraska and Missouri experienced record warmth for the period, while no state experienced cooler-than-average temperatures, reported scientists from NOAA's National Climatic Data Center in Asheville, N.C. [Heat Map]
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This warming coupled with less than average precipitation caused moderate to extreme droughts in almost 45 percent of the contiguous United States. However, some areas, such as the Northeast of the country experienced record rainfalls and severe floods.

Oh well, I'm sure it's not part of an ongoing trend, nothing with any worrisome consequences.