NATIONAL NEITHER SNOW NOR RAIN DAYNational Neither Snow Nor Rain Day on September 7th commemorates the opening of the New York Post Office on September 7, 1914.Neither snow, nor rain, nor heat, nor gloom of night stays these couriers from the swift completion of their appointed rounds ~ Inscription found over the entrance of the central post office in New York City. It is really wonderful to know how delivery work is going and how it is happening. Anyway, on this day let's share your postal work and say thanks to.postal workers .