Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 282121
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
521 PM EDT MON JUL 28 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 28 2014...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         81    347 PM  99    1993  88     -7       84
  MINIMUM         65    531 AM  47    1977  66     -1       66
  AVERAGE         73                        77     -4       75

PRECIPITATION (IN)
  TODAY            0.00          1.65 2000   0.12  -0.12     0.09
  MONTH TO DATE    2.09                      3.30  -1.21     7.13
  SINCE JUN 1      6.71                      7.28  -0.57    11.77
  SINCE JAN 1     31.06                     24.10   6.96    25.76

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

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      2                        15    -13        0
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY            8                        12     -4       10
  MONTH TO DATE  291                       331    -40      400
  SINCE JUN 1    523                       568    -45      656
  SINCE JAN 1    609                       660    -51      795
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     W (260)
  AVERAGE WIND SPEED    10.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     42           100 PM
 AVERAGE    71

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       103      2011
 MINIMUM TEMPERATURE (F)   66        53      1978
                                             1977


SUNRISE AND SUNSET
JULY 28 2014..........SUNRISE   607 AM EDT   SUNSET   825 PM EDT
JULY 29 2014..........SUNRISE   608 AM EDT   SUNSET   824 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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