@misc{hansen_2018_1231388, author = {Hansen, James and Lebedeff, Sergej}, title = {{Global surface air temperatures: Update through 1987}}, month = apr, year = 2018, publisher = {Zenodo}, doi = {10.1029/gl015i004p00323}, url = {https://doi.org/10.1029/gl015i004p00323} }