 72 degrees right now in both Bremerton and downtown Seattle. Well, the heat is causing a spike in water use on Mercer Island. The city tells Como News reservoir levels are being depleted faster than they can be refilled. Due to a recent spike in water usage, all people on the island and businesses are being asked to conserve. Water use peaked at more than 6,000 gallons per minute last weekend. They say that's significantly above normal peak consumption. U.S. Census data reveals 53% of homes in Seattle have air conditioning. Those AC units use a lot of power.