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The Data originates at the National Weather Service, and is made available here by the UAlbany Department of Atmospheric and Environmental Sciences

Decoded Surface Observations


The weather observed at NORFOLK/WAKEFLD, VA (KAKQ) at 02:54 AM EST was:
  The skies were clear.
  Temperature: 39F (  4C)  Dewpoint:  27F ( -3C)  Relative Humidity:  60%
  Winds from the N  (360 degs) at  5 mph.
  Pressure: 1031.6 millibars.  Altimeter:30.46 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at SOUTH HILL/MECKL, VA (KAVC) at 02:55 AM EST was:
  The skies were clear.
  Temperature: 34F (  1C)  Dewpoint:  30F ( -1C)  Relative Humidity:  86%
  Winds from the CLM(CLM degs) at  0 mph.
  Altimeter:30.51 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at CHARLOTTESVILLE, VA (KCHO) at 02:53 AM EST was:
  The skies were cloudy.
  Temperature: 39F (  4C)  Dewpoint:  22F ( -6C)  Relative Humidity:  50%
  Winds were not reported.
  Pressure: 1031.5 millibars.  Altimeter:30.46 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at CHESAPEAKE, VA (KCPK) at 02:55 AM EST was:
  The skies were clear.
  Temperature: 39F (  4C)  Dewpoint:  25F ( -4C)  Relative Humidity:  56%
  Winds from the N  (360 degs) at  3 mph.
  Altimeter:30.45 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at FORT BELVOIR/DAV, VA (KDAA) at 02:56 AM EST was:
  The skies were clear.
  Temperature: 33F (  1C)  Dewpoint:  16F ( -9C)  Relative Humidity:  49%
  Winds from the NW (330 degs) at  9 mph.
  Pressure: 1032.9 millibars.  Altimeter:30.49 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at DANVILLE, VA (KDAN) at 02:53 AM EST was:
  The skies were clear.
  Temperature: 36F (  2C)  Dewpoint:  25F ( -4C)  Relative Humidity:  64%
  Winds from the NNW(340 degs) at  7 mph.
  Pressure: 1031.7 millibars.  Altimeter:30.48 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at WASHINGTON DC, VA (KDCA) at 02:52 AM EST was:
  The skies were mostly clear.
  Temperature: 34F (  1C)  Dewpoint:  19F ( -7C)  Relative Humidity:  55%
  Winds from the N  (350 degs) at 12 mph.
  Pressure: 1032.4 millibars.  Altimeter:30.49 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at FT EUSTIS/FELKER, VA (KFAF) at 02:56 AM EST was:
  The skies were mostly cloudy.
  Temperature: 40F (  4C)  Dewpoint:  23F ( -5C)  Relative Humidity:  51%
  Winds from the N  (010 degs) at  9 mph.
  Pressure: 1030.8 millibars.  Altimeter:30.43 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at MANASSAS MUNI, VA (KHEF) at 02:56 AM EST was:
  The skies were clear.
  Temperature: 31F ( -1C)  Dewpoint:  21F ( -6C)  Relative Humidity:  66%
  Winds from the N  (350 degs) at 12 mph.
  Pressure: 1033.9 millibars.  Altimeter:30.49 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at HOT SPRINGS/INGA, VA (KHSP) at 02:55 AM EST was:
  The skies were cloudy.
  Temperature: 25F ( -4C)  Dewpoint:  25F ( -4C)  Relative Humidity: 100%
  Winds from the NNW(340 degs) at  9 mph.
  Altimeter:30.31 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at WASHINGTON DC, VA (KIAD) at 02:52 AM EST was:
  The skies were partly cloudy.
  Temperature: 30F ( -1C)  Dewpoint:  18F ( -8C)  Relative Humidity:  59%
  Winds from the N  (350 degs) at 12 mph.
  Pressure: 1032.4 millibars.  Altimeter:30.48 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at LYNCHBURG, VA (KLYH) at 02:54 AM EST was:
  The skies were clear.
  Temperature: 33F (  1C)  Dewpoint:  25F ( -4C)  Relative Humidity:  72%
  Winds from the CLM(CLM degs) at  0 mph.
  Pressure: 1031.7 millibars.  Altimeter:30.46 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at MELFA/ACCOMACK, VA (KMFV) at 02:55 AM EST was:
  The skies were clear.
  Temperature: 37F (  3C)  Dewpoint:  25F ( -4C)  Relative Humidity:  60%
  Winds from the N  (350 degs) at 14 mph.
  Altimeter:30.45 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at RICHMOND/HANOVER, VA (KOFP) at 02:54 AM EST was:
  The skies were clear.
  Temperature: 30F ( -1C)  Dewpoint:  25F ( -4C)  Relative Humidity:  80%
  Winds from the CLM(CLM degs) at  0 mph.
  Pressure: 1032.5 millibars.  Altimeter:30.49 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at NORFOLK, VA (KORF) at 02:51 AM EST was:
  The skies were clear.
  Temperature: 41F (  5C)  Dewpoint:  25F ( -4C)  Relative Humidity:  52%
  Winds from the N  (350 degs) at 15 mph.
  Pressure: 1030.5 millibars.  Altimeter:30.44 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at NEWPORT NEWS, VA (KPHF) at 02:54 AM EST was:
  The skies were clear.
  Temperature: 39F (  4C)  Dewpoint:  25F ( -4C)  Relative Humidity:  56%
  Winds from the N  (360 degs) at  8 mph.
  Pressure: 1031.0 millibars.  Altimeter:30.45 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at PETERSBURG, VA (KPTB) at 02:55 AM EST was:
  The skies were clear.
  Temperature: 37F (  3C)  Dewpoint:  25F ( -4C)  Relative Humidity:  60%
  Winds from the N  (360 degs) at  6 mph.
  Altimeter:30.47 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at RICHMOND, VA (KRIC) at 02:54 AM EST was:
  The skies were mostly cloudy.
  Temperature: 36F (  2C)  Dewpoint:  25F ( -4C)  Relative Humidity:  64%
  Winds from the NW (330 degs) at  5 mph.
  Pressure: 1032.2 millibars.  Altimeter:30.47 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at ROANOKE, VA (KROA) at 02:54 AM EST was:
  The skies were cloudy.
  Temperature: 34F (  1C)  Dewpoint:  19F ( -7C)  Relative Humidity:  55%
  Winds from the N  (360 degs) at  7 mph.
  Pressure: 1032.8 millibars.  Altimeter:30.48 inches of mercury.
  The prevailing visibility was 10 miles.

The weather observed at WALLOPS ISLAND, VA (KWAL) at 02:54 AM EST was:
  The skies were clear.
  Temperature: 36F (  2C)  Dewpoint:  19F ( -7C)  Relative Humidity:  51%
  Winds from the NW (330 degs) at 10 mph.
  Pressure: 1031.2 millibars.  Altimeter:30.46 inches of mercury.
  The prevailing visibility was 10 miles.