10.18170/DVN/A8BBPG Xinyu Wen(School of Physics, Peking University) Peking University Open Research Data Platform 2016 The atlas of global gridded SLP (10deg x 10deg) for Jan/Apr/Jul/Oct in 1871-1980, which was collected and hand-draw by Prof. Shaowu Wang (1932-2015), are included in this dataset. Dr. Xinyu Wen made the photocopies of all the raw plots and we would like to share these plots with the international climate community. Xinyu Wen(School of Physics, Peking University)