2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/150382We present a model for variations in atmospheric temperature from time scales of one day to one million years based on a stochastic diffusion (random walk) model of the turbulent transport of heat energy vertically in a coupled atmosphere-ocean model. The predictions of the model are supported by station records and paleoclimatic proxy data of temperature variations.latex file, 8 pages, 5 figuresAtmospheric and Oceanic PhysicsCondensed MatterA Stochastic Diffusion Model of Climate Changetext