Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 290527
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT WED JUL 29 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 28 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         90    301 PM  99    1993  88      2       81
  MINIMUM         69    535 AM  47    1977  66      3       65
  AVERAGE         80                        77      3       73

PRECIPITATION (IN)
  YESTERDAY        0.06          1.65 2000   0.12  -0.06     0.00
  MONTH TO DATE    3.74                      3.30   0.44     2.09
  SINCE JUN 1     11.18                      7.28   3.90     6.71
  SINCE JAN 1     25.04                     24.10   0.94    31.06

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     15                        15      0        2
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY       15                        12      3        8
  MONTH TO DATE  309                       331    -22      291
  SINCE JUN 1    586                       568     18      523
  SINCE JAN 1    768                       660    108      609
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (190)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (190)
  AVERAGE WIND SPEED     2.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           400 AM
 LOWEST     55           500 PM
 AVERAGE    78

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       103      2011
 MINIMUM TEMPERATURE (F)   66        52      2014


SUNRISE AND SUNSET
JULY 29 2015..........SUNRISE   608 AM EDT   SUNSET   824 PM EDT
JULY 30 2015..........SUNRISE   609 AM EDT   SUNSET   823 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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