Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 280522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
121 AM EDT MON JUL 28 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 27 2014...

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)
 YESTERDAY
  MAXIMUM         84    204 PM  98    1993  88     -4       84
  MINIMUM         68    553 AM  52    1977  66      2       65
  AVERAGE         76                        77     -1       75

PRECIPITATION (IN)
  YESTERDAY        0.07          3.50 1994   0.12  -0.05     0.92
  MONTH TO DATE    2.09                      3.18  -1.09     7.04
  SINCE JUN 1      6.71                      7.16  -0.45    11.68
  SINCE JAN 1     31.06                     23.98   7.08    25.67

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        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
  YESTERDAY       11                        12     -1       10
  MONTH TO DATE  283                       319    -36      390
  SINCE JUN 1    515                       556    -41      646
  SINCE JAN 1    601                       648    -47      785
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (220)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           500 AM
 LOWEST     61           200 PM
 AVERAGE    76

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        99      1993
 MINIMUM TEMPERATURE (F)   66        47      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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