March Nymex natural gas (NGH24) on Friday closed -0.070 (-3.65%). Nat-gas prices on Friday extended their month-long decline and posted a 3-1/3 year nearest-futures low as above-normal temperatures this winter continue to hammer nat-gas prices. Updated U.S. weather forecasts turned warmer than previously expected, reducing heating demand for nat-gas and keeping U.S. nat-gas inventories elevated. On Friday, the Commodity Weather Group said forecasts have shifted warmer for the East Coast and much of the southern U.S. from Feb 19-23. Nat-gas prices are also under pressure after the Freeport LNG …