How does water cool in a mud pot

By the phenomenon of Evaporative cooling, water remains cool in a mud pot. As the pot made up with mud it has number of very minute pores, through which water can slowly ooze out. Thus these pores increase the surface area of water and consequently increases evaporation. For the evaporation of water, it requires some energy which is takes as heat from the water itself. This results in lowering the temperature of the water in the mud pot.