The PAGES Data Stewardship Scholarship (DSS_108) also supported this work. We thank SISAL members who contributed their published data to the database and provided additional information when necessary. Authors also thank the IT team of the RCAES, namely Evelin Bányai for installing the app on servers. We are also grateful to the SISAL Phase 2 Steering Committee for help in debugging the app. This is contribution No. 85 of the 2ka Palæoclimatology Research Group. The first author dedicates this paper to the memory of his beloved grandmother, Marta Chiovini (1928–2023).