Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 252132
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
532 PM EDT THU MAY 25 2017


...................................

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 25 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         73    227 PM  92    1991  77     -4       86
  MINIMUM         56    646 AM  36    1967  54      2       52
  AVERAGE         65                        66     -1       69

PRECIPITATION (IN)
  TODAY            0.55          1.76 1997   0.16   0.39     0.00
  MONTH TO DATE    6.37                      3.65   2.72     6.07
  SINCE MAR 1     13.53                     10.50   3.03     9.40
  SINCE JAN 1     16.97                     15.92   1.05    17.66

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      7.3                      22.0  -14.7
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         3     -3        0
  MONTH TO DATE  138                       118     20      164
  SINCE MAR 1    957                      1100   -143      945
  SINCE JUL 1   3850                      4690   -840     4036

 COOLING
  TODAY            0                         3     -3        4
  MONTH TO DATE   50                        48      2       10
  SINCE MAR 1    119                        68     51       33
  SINCE JAN 1    119                        68     51       33
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     E (100)
  AVERAGE WIND SPEED     7.1


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           200 AM
 LOWEST     61           300 PM
 AVERAGE    77

..........................................................


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   78        92      2007
 MINIMUM TEMPERATURE (F)   54        38      1967


SUNRISE AND SUNSET
MAY 25 2017...........SUNRISE   550 AM EDT   SUNSET   824 PM EDT
MAY 26 2017...........SUNRISE   549 AM EDT   SUNSET   825 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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