Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 230522
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT FRI JUN 23 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 22 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         86    238 PM  99    1988  86      0       84
  MINIMUM         66    457 AM  48    1992  63      3       65
                                      1963
  AVERAGE         76                        74      2       75

PRECIPITATION (IN)
  YESTERDAY        0.00          2.06 2001   0.12  -0.12     0.00
  MONTH TO DATE    0.86                      2.96  -2.10     5.70
  SINCE JUN 1      0.86                      2.96  -2.10     5.70
  SINCE JAN 1     19.95                     19.78   0.17    23.37

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       11                         9      2       10
  MONTH TO DATE  188                       155     33      184
  SINCE JUN 1    188                       155     33      184
  SINCE JAN 1    325                       247     78      282
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     5.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    93           500 AM
 LOWEST     55           900 AM
 AVERAGE    74

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   86        96      1988
                                             1965
 MINIMUM TEMPERATURE (F)   63        44      1992


SUNRISE AND SUNSET
JUNE 23 2017..........SUNRISE   545 AM EDT   SUNSET   839 PM EDT
JUNE 24 2017..........SUNRISE   545 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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