Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 232131
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
529 PM EDT MON APR 23 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 23 2018...
VALID TODAY AS OF 0500 PM LOCAL TIME.

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)
 TODAY
  MAXIMUM         69    253 PM  88    2001  69      0       60
  MINIMUM         42    504 AM  30    1989  44     -2       45
  AVERAGE         56                        57     -1       53

PRECIPITATION (IN)
  TODAY            0.00          0.67 1963   0.11  -0.11     0.00
  MONTH TO DATE    1.63                      2.65  -1.02     2.60
  SINCE MAR 1      3.42                      6.03  -2.61     6.72
  SINCE JAN 1      9.81                     11.45  -1.64    10.16

SNOWFALL (IN)
  TODAY            0.0           T    1986   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
  TODAY            9                         9      0       12
  MONTH TO DATE  343                       281     62      158
  SINCE MAR 1   1122                       928    194      798
  SINCE JUL 1   4473                      4518    -45     3691

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE   15                        11      4       35
  SINCE MAR 1     15                        14      1       37
  SINCE JAN 1     20                        14      6       37
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SE (150)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (160)
  AVERAGE WIND SPEED     6.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83           400 AM
 LOWEST     37           300 PM
 AVERAGE    60

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   70        85      2011
                                             1994
                                             1990
 MINIMUM TEMPERATURE (F)   45        30      1989


SUNRISE AND SUNSET
APRIL 23 2018.........SUNRISE   622 AM EDT   SUNSET   755 PM EDT
APRIL 24 2018.........SUNRISE   621 AM EDT   SUNSET   756 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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