The DC region experienced a significant snowstorm, with snowfall accumulations ranging from 4.5 to 8.5 inches across various locations. The transition from snow to sleet occurred earlier than anticipated, leading to additional sleet accumulation on top of the existing snow. Notable snow measurements include 8.5 inches in Simpsonville, Maryland, and 7 inches in Wheaton, Maryland. Virginia locations such as Leesburg reported 8.3 inches, while Reagan National Airport recorded 5.3 inches. The National Weather Service and trained spotters provided these measurements, highlighting the widespread impact of the storm.