Recent rainfall is filling the pockets of some San Diego residents who partake in rebate programs for harvesting rainwater. The area is seeing an increase in rainfall this rainy season and many residents are thinking smart. Rainfall totals are up by 2.67 inches since the start of the rainy season in October, according to the NBC 7 First Alert weather team. San Diego International Airport’s rain tracker has seen 3.5 inches of rain since the start of this year alone.