Recent unexpectedly heavy rainfalls in the metropolitan area have filled the reservoirs and streams; water rationing, ttherefore, will not be necessary this summer. Which one of the following, if true, most undermines the author's prediction? ['Water rationing was imposed in the city in three of the last five years.', 'In most years the city receives less total precipitation in the summer than it receives in any other season.', "The water company's capacity to pump water to customers has not kept up with the increased demand created by population growth in the metropolitan area.", 'The long-range weather forecast predicts lower-than-average temperatures for this summer.']