Preliminary data indicates that the statewide average temperature in November was 48.7°F, 1.1°F above the 1981-2010 normal of 47.6°F (Figure 1). November was the fifth month in a row with temperatures appreciably above normal across the First State.
Delaware’s statewide precipitation for November 2016 averaged 0.91 inches, 2.49 inches below the 1981-2010 mean of 3.40 inches (Figure 2). November 2016 was the 8th driest November since records began in 1895.
Data from the Delaware Environmental Observing System (DEOS) shows that temperatures were well above normal across extreme northern Delaware and Chester County, PA during November (Figure 3). Temperatures were well above normal across inland Sussex County as well. Much below normal rainfall was the rule across southern Delaware, with smaller rainfall deficits found in northern Delaware and Chester County, PA (Figure 4).