The Temperature Roller-Coaster Continues

After record low, below zero temperatures for Delaware on Saturday morning January 4th, temperatures shot-up to over 60°F across much of the State early on Monday morning (January 6th).

The passage of a strong cold front at approximately 7:00 am on Monday morning sent temperatures plummeting, with temperature decreases of nearly 60°F by Tuesday morning (Figure 1).

The cold temperatures, combined with strong winds led to extreme wind chill values for the region with wind chills reaching -10°F to -20°F across Delaware and values of -25°F across portions of Chester County, PA (Figure 2). These wind chills are some of the coldest in recent years for the region.

Figure 1. 24-hour temperature change for January 6-7, 2014
Figure 2. Delaware Minimum Wind Chill Temperatures for January 6-7, 2014
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Delaware Environmental Observing System
Delaware Geological Survey
UD College of Earth, Ocean, and Environment