Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 230529
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1229 AM EST THU NOV 23 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 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         56   1022 AM  75    2007  55      1       48
  MINIMUM         34   1159 PM  14    2014  34      0       26
                                      1964
  AVERAGE         45                        44      1       37

PRECIPITATION (IN)
  YESTERDAY        0.00          1.54 1991   0.11  -0.11     0.00
  MONTH TO DATE    1.96                      2.49  -0.53     0.25
  SINCE SEP 1      6.86                      9.66  -2.80     3.45
  SINCE JAN 1     39.86                     37.66   2.20    31.45

SNOWFALL (IN)
  YESTERDAY        0.0           2.2  1989   0.0    0.0
  MONTH TO DATE    0.0                       0.2   -0.2
  SINCE JUL 1      T                         0.2   -0.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       20                        21     -1       28
  MONTH TO DATE  402                       379     23      355
  SINCE SEP 1    622                       733   -111      566
  SINCE JUL 1    623                       735   -112      566

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    1                         0      1        2
  SINCE SEP 1    220                       160     60      296
  SINCE JAN 1   1281                      1176    105     1559
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    NW (310)
  AVERAGE WIND SPEED    12.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    86           600 AM
 LOWEST     41           200 PM
 AVERAGE    64

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   54        70      1990
 MINIMUM TEMPERATURE (F)   33        14      1984
                                             1964


SUNRISE AND SUNSET
NOVEMBER 23 2017......SUNRISE   702 AM EST   SUNSET   451 PM EST
NOVEMBER 24 2017......SUNRISE   703 AM EST   SUNSET   450 PM EST


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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