Wednesday, January 15, 2014

December 2013 Statewide Temperature and Precipitation Rankings

December 2013 U.S. Climate Summary.

Nebraska averaged below normal temperatures and below normal precipitation during December 2013.

NOTE:  There are two maps following the NOAA/NCDC summary. 

  • U.S. Climate Highlights — December
  • 2013The average contiguous U.S. temperature for December was 30.9°F, 2.0°F below the 20th century average. This was the 21st coldest December on record for the nation and the coldest since 2009.
  • Below-average temperatures were widespread across the West, the Plains States, and the Upper Midwest. Minnesota had its eighth coldest December on record with an average temperature of 5.8°F, 8.8°F below average. North Dakota tied its 9th coldest December with an average temperature of 4.5°F, 8.4°F below average.
  • Above-average temperatures were observed across parts of the Southeast and Mid-Atlantic. Florida had its sixth warmest December with a statewide average temperature of 64.6°F, 5.0°F above average.
  • The national precipitation total during December was 2.17 inches, 0.06 inch below the 20th century average, ranking near the median value in the 119-year period of record.
  • Above-average precipitation was observed in the Northern Plains and Rockies, the Southeast, the Mid-Atlantic and the Midwest. Alabama, Georgia, North Dakota, Ohio, Virginia, and West Virginia, each had December precipitation totals that ranked among the ten wettest on record.
  • Below-average precipitation was observed in the Central Plains and the West Coast. California had its second driest December on record, punctuating the driest calendar year on record for the state. Oregon had its third driest December, while Washington had its sixth driest.
  • According to the December 31st U.S. Drought Monitor report, the national drought footprint changed little during the month with drought conditions impacting approximately 31.0 percent of the contiguous United States. Abnormally dry conditions expanded in the Northwest, and improved across the Southeast.
  • Several snow storms impacted the Intermountain West, Northern Plains, Midwest and Northeast during December. According to the Rutgers Global Snow Lab, the December snow cover extent for the contiguous U.S. was 1.5 million square miles, which was 317,000 square miles above the 1981-2010 average. This ranked as the eighth largest December snow cover extent on record, and the largest since December 2009.
  • Based on NOAA's Residential Energy Demand Temperature Index (REDTI), the contiguous U.S. temperature-related energy demand during December was 15 percent above average and the 41st highest in the 1895-2013 period of record.
LINK to the Year 2013 Statewide Temperature and Precipitation Rankings

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