Sep Nymex natural gas (NGU24) on Friday closed down by -0.022 (-0.99%). Sep nat-gas prices Friday retreated as forecasts for milder US weather will reduce nat-gas demand from electricity providers to run air conditioning. EBW AnalyticsGroup said Friday that “milder weather” in the eastern US will curb air conditioning usage and limit power consumption next week. Last Monday, nat-gas prices tumbled to a 3-1/2 month nearest futures low on forecasts for cooler US weather amid elevated nat-gas stockpiles. Current US nat-gas supplies are abundant, with nat-gas inventories +13% above their 5-year se…