Surface observations

Data from the National Weather Service, made available here by the UAlbany Department of Atmospheric and Environmental Sciences


The weather observed at WASHINGTON DC, VA (KDCA) at 02:52 AM EDT was:
  The skies were mostly cloudy.
  Temperature: 68F ( 20C)  Dewpoint:  61F ( 16C)  Relative Humidity:  78%
  Winds from the N  (360 degs) at  3 mph.
  Pressure: 1021.2 millibars.  Altimeter:30.16 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at WASHINGTON DC, VA (KDCA) at 02:52 AM EDT was:
  The skies were mostly cloudy.
  Temperature: 68F ( 20C)  Dewpoint:  61F ( 16C)  Relative Humidity:  78%
  Winds from the N  (360 degs) at  3 mph.
  Altimeter:30.16 inches of mercury.
  The prevailing visibility was 10 miles.