Each graphic below represents annual averaged frequencies of weather parameters.  Click on the graphic for related seasonal distributions.  

Significant Weather Factors for Washington National (DCA) 

aviation wind climate for DCA

aviation thunderstorm climate for DCA

aviation ceiling climate for DCA

aviation visibility climate for DCA

aviation snow climate for DCA

aviation freezing precip climate for DCA


USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.