Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 240527
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT SAT JUN 24 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 23 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         87    130 PM  96    1988  86      1       79
                                      1965
  MINIMUM         71    626 AM  44    1992  63      8       67
  AVERAGE         79                        75      4       73

PRECIPITATION (IN)
  YESTERDAY        0.15          0.59 2016   0.13   0.02     0.59
  MONTH TO DATE    1.01                      3.09  -2.08     6.29
  SINCE JUN 1      1.01                      3.09  -2.08     6.29
  SINCE JAN 1     20.10                     19.91   0.19    23.96

SNOWFALL (IN)
  YESTERDAY        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
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    6                        13     -7        3
  SINCE JUN 1      6                        13     -7        3
  SINCE JUL 1   3858                      4715   -857     4039

 COOLING
  YESTERDAY       14                        10      4        8
  MONTH TO DATE  202                       165     37      192
  SINCE JUN 1    202                       165     37      192
  SINCE JAN 1    339                       257     82      290
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED    12.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           700 AM
 LOWEST     61           500 PM
 AVERAGE    77

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        97      2010
 MINIMUM TEMPERATURE (F)   63        46      1979


SUNRISE AND SUNSET
JUNE 24 2017..........SUNRISE   545 AM EDT   SUNSET   839 PM EDT
JUNE 25 2017..........SUNRISE   546 AM EDT   SUNSET   839 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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