Seattle_projected_90degdays_620.jpg

Historic observations (gray) and projected changes in the number of 90-degree days in Seattle in two possible futures: one in which greenhouse gas emissions continue to increase rapidly (red) and a lower emission pathway (blue). Solid lines show weighted model means, and the shaded areas show the range of model projections. For details on this graph and to see similar projections for other U.S. locations, visit the U.S. Climate Explorer.