Heat waves in NYC: 3+ days in a row at 90°F or hotter. Tue, Aug 4, 1896: 90°F / 72°F Wed, Aug 5, 1896: 94°F / 76°F Thu, Aug 6, 1896: 92°F / 77°F Fri, Aug 7, 1896: 97°F / 76°F, 0.01″ rain Sat, Aug 8, 1896: 95°F / 78°F Sun, Aug 9, 1896: 98°F / 82°F, 0.12″ rain Mon, Aug 10, 1896: 94°F / 80°F Tue, Aug 11, 1896: 96°F / 81°F Wed, Aug 12, 1896: 93°F / 79°F Thu, Aug 13, 1896: 90°F / 76°F Source: NOAA GHCN-Daily, Ny City Cntrl Park (USW00094728).