Table: Observed annual average temperature changes in the US
by NCA 4, nClimDiv dataset
![](/sites/default/files/styles/content_header_image/public/resources/us_avg_temp_increases.png.webp?itok=WBBBc0NB)
Observed changes in annual average temperature (°F) for each National Climate Assessment region. Changes are the difference between the average for present-day (1986–2016) and the average for the first half of the last century (1901–1960 for the contiguous United States, 1925–1960 for Alaska, Hawai‘i, and the Caribbean).