it is 13.49 pounds and i am cooking it at 325 degrees uncovered, and yes i put it in right from the refrigerator
USDA says 3-3/4 hours. But your oven has to be calibrated right. Might need a little more time if it was stone cold. Are you checking the turkey temp at all? Best to go by temp and just use times for planning purpose. USDA guides will overcook your turkey for safety sake.
oops USDA link here: