Statewide mean annual temperature in 2015 was 1.0°F above the 1981-2010 normal of 55.4°F, and statewide precipitation in 2015 was 2.04 inches above the 1981-2010 mean of 44.33 inches.

December 2015 was the warmest on record since 1895. Above normal precipitation also characterized Delaware’s climate in December 2015.

Near normal temperatures and slightly dry conditions characterized Delaware’s Climate during autumn 2014.

November 2015 is the fourth warmest on record since 1895 and the warmest since 2003.

Delaware experienced near normal temperature and precipitation conditions during October 2015.

Posted on Wed 10/14/15 Figure 1. Delaware statewide mean September temperature (°F) 1895-2015. Figure 2. Delaware statewide mean September precipitation (inches) 1895-2015. September Temperatures Preliminary data indicates that the statewide average te …

While statewide average temperatures were normal during August 2015, Delaware experienced the driest August since 2008.

Preliminary data indicates that summer temperatures were just above the 30-year “normal” during 2015.

Preliminary data indicates that autumn precipitation was below average and temperatures were appreciably above the 30-year “normal” during 2015.

Temperatures were near normal and precipitation was slightly below normal across most of the state.