Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 250530
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT WED APR 25 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 24 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         62   1212 PM  85    2011  70     -8       57
                                      1994
                                      1990
  MINIMUM         53   1159 PM  30    1989  45      8       51
  AVERAGE         58                        57      1       54

PRECIPITATION (IN)
  YESTERDAY        0.43          1.25 1983   0.12   0.31     0.27
  MONTH TO DATE    2.06                      2.77  -0.71     2.87
  SINCE MAR 1      3.85                      6.15  -2.30     6.99
  SINCE JAN 1     10.24                     11.57  -1.33    10.43

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    T                         0.3   -0.3
  SINCE JUL 1     11.9                      22.0  -10.1
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        7                         9     -2       11
  MONTH TO DATE  350                       290     60      169
  SINCE MAR 1   1129                       937    192      809
  SINCE JUL 1   4480                      4527    -47     3702

 COOLING
  YESTERDAY        0                         1     -1        0
  MONTH TO DATE   15                        12      3       35
  SINCE MAR 1     15                        15      0       37
  SINCE JAN 1     20                        15      5       37
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED    10.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           700 PM
 LOWEST     47          1200 AM
 AVERAGE    74

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        93      1960
 MINIMUM TEMPERATURE (F)   45        29      1969


SUNRISE AND SUNSET
APRIL 25 2018.........SUNRISE   619 AM EDT   SUNSET   757 PM EDT
APRIL 26 2018.........SUNRISE   618 AM EDT   SUNSET   758 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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