Li, C. ., Fang, Y. ., Caldeira, K. ., Zhang, X. ., Diffenbaugh, N. ., & Michalak, A. . (2018). Widespread persistent changes to temperature extremes occurred earlier than predicted. Scientific Reports, 8(1), 1007. https://doi.org/10.1038/s41598-018-19288-z (Original work published 2018)