Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 040524
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT TUE AUG 4 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 3 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         89    325 PM  99    2006  88      1       83
                                      1991
  MINIMUM         65    547 AM  50    1998  65      0       66
                                      1985
                                      1976
  AVERAGE         77                        76      1       75

PRECIPITATION (IN)
  YESTERDAY        0.00          1.03 1970   0.13  -0.13     0.15
  MONTH TO DATE    0.00                      0.37  -0.37     0.16
  SINCE JUN 1     12.33                      8.02   4.31     6.87
  SINCE JAN 1     26.19                     24.84   1.35    31.22

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        5
  SINCE JUL 1      0                         0      0        3

 COOLING
  YESTERDAY       12                        11      1       10
  MONTH TO DATE   33                        34     -1       22
  SINCE JUN 1    657                       634     23      550
  SINCE JAN 1    839                       726    113      636
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED     7.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     36          1200 PM
 AVERAGE    65

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        99      2002
 MINIMUM TEMPERATURE (F)   65        51      1976


SUNRISE AND SUNSET
AUGUST  4 2015........SUNRISE   613 AM EDT   SUNSET   818 PM EDT
AUGUST  5 2015........SUNRISE   614 AM EDT   SUNSET   817 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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