Dissertation Writers: What factors influence air pressure?

Dissertation Writers: What factors influence air pressure?

Standing on the top of the Empire State Building in New York City, the air pressure is slightly less than if standing on Miami Beach in Florida. Why is this the case?

What factors influence air pressure?

Both NYC and Miami are basically the same elevation above sea level so what conclusion have you made about pressure/temperature changes with regard to the vertical v.s. horizontal?