Preliminary data indicates that the statewide average temperature in April was 52.9°F; this was 0.6°F below the 1981-2010 normal of 53.5°F (Figure 1). April was the first month since October 2015 to see below normal temperatures across the First State.
Delaware’s statewide precipitation for April 2016 averaged 3.11 inches, 0.53 inches below the 1981-2010 mean (Figure 2).
Statewide Spatial Averages
Data from the Delaware Environmental Observing System (DEOS) shows that temperatures were below normal across the majority of the State, with some stations reporting departures of more than 3.0°F below the 1981-2010 mean (Figure 3). Precipitation was below normal across most of the State, except the southern and southeastern portion of Sussex County, DE (Figure 4).