Cold snaps in NYC: 3+ days in a row never above freezing. Tue, Feb 18, 1879: 30°F / 25°F, 3.0″ snow, 0.12″ precipitation Wed, Feb 19, 1879: 25°F / 20°F Thu, Feb 20, 1879: 31°F / 21°F, 1.5″ snow, 0.09″ precipitation Fri, Feb 21, 1879: 24°F / 12°F Sat, Feb 22, 1879: 27°F / 11°F, 1.3″ snow, 0.11″ precipitation Source: NOAA GHCN-Daily, Ny City Cntrl Park (USW00094728).