Cold snaps in NYC: 3+ days in a row never above freezing. Mon, Dec 23, 1878: 32°F / 19°F Tue, Dec 24, 1878: 22°F / 14°F Wed, Dec 25, 1878: 20°F / 13°F Thu, Dec 26, 1878: 23°F / 15°F Fri, Dec 27, 1878: 29°F / 20°F Sat, Dec 28, 1878: 30°F / 21°F Source: NOAA GHCN-Daily, Ny City Cntrl Park (USW00094728).