The datasets contains benthic foraminiferal oxygen isotope (δ¹⁸O) records of sediment core NGHP 17, retrieved in the Bay of Bengal. The record covers the last ~1 million years. C. wuellerstorfi and C. mundulus are epibenthic foraminiferal species, and δ¹⁸O values were adjusted to equilibrium by adding 0.64 following Shackleton et al. (1984).

C. wuellerstorfi, C. mundulus and δ18O values were adjusted to equilibrium by adding 0.64 following Shackleton et al., 1984