3. Rainfall map of t Rainfall map of the United Kingdom Fig 1. - Annual precipitation over Great Britain he United Kingdom Fig 1. - Annual precipitation over Great Britain Heaviest rainfall Areas with most cloud cover Lowest summer temperatures – less loss of water due to evaporation or transpiration Areas with low population density WATER SURPLUS WATER DEFICIT Demand > Supply Rainfall is lower Evaporation and transpiration is high 1/3 UK population lives in SE IN THE WEST IN THE EAST