Thursday, May 3, 2012

January 1-April 30, 2012 Departure From Normal Temperatures

January 1-April 30, 2012 U.S. Temperature Departures From Normal

The attached map shows the observed temperature departures form normal for the lower 48 U.S. States.  For much of the Great Plains and Midwest this has been the warmest January 1-April 30 time period on record.  Many locations had temperatures departures exceeding +10 degrees F.  The only area averaging below normal was the Pacific Northwest.  The map below is a close up view of the High Plains region showing in more detail the magnitude of temperature departures for this January 1 through April 30, 2012 time period.  It has truely been an historic warm start to the year with temrpature records that extend well back into the 1800's.

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