True, as a rule of thumb, sea water temp in southern Ches Bay >40F=rain; <40F=snow...guides only, not many definites in weatherguessering.
According to Dalton’s LAW of gasses air has no capacity to “hold” water. Therefore the entire argument made in the NY Times article is false. In spite of the fact that the false statement to the contrary is widely accepted, it is not so. Higher levels of water vapor in an air mass at warmer temperatures is due solely to the increased evaporation of water caused by the heat/energy. Air has no ability to hold water at any time or at any temperature. It’s the law.