Dataset for "Persistent El Niño-like conditions over the western Pacific during the Bølling–Allerød interstadial"

Data File 1 provides the pollen data for core CB19 from the NW Borneo Trough. Data File 2 presents the chronological framework, X-ray fluorescence core scanning data, black carbon, magnetic susceptibility, grain size, sedimentation rate, mass accumulation rate, and Sr-Nd isotopic data for core CG18 from the same region. Data File 3 contains the Pacific site data, including the Mg/Ca-derived sea surface temperature (SST) stacks for the WPWP, CEP, and EEP regions, as well as the EEP δ18Osw-iv record.