Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 240532
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
131 AM EDT THU MAY 24 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 23 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         80    344 PM  92    1964  77      3       65
  MINIMUM         58   1142 PM  39    2002  53      5       55
                                      1990
                                      1971
  AVERAGE         69                        65      4       60

PRECIPITATION (IN)
  YESTERDAY        0.00          2.40 2010   0.16  -0.16     0.12
  MONTH TO DATE    6.50                      3.34   3.16     5.48
  SINCE MAR 1     11.84                     10.19   1.65    12.64
  SINCE JAN 1     18.23                     15.61   2.62    16.08

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         3     -3        5
  MONTH TO DATE   21                       112    -91      134
  SINCE MAR 1   1210                      1094    116      953
  SINCE JUL 1   4561                      4684   -123     3846

 COOLING
  YESTERDAY        4                         3      1        0
  MONTH TO DATE  102                        42     60       50
  SINCE MAR 1    117                        62     55      119
  SINCE JAN 1    122                        62     60      119
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     48           400 PM
 AVERAGE    74

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   77        90      1964
 MINIMUM TEMPERATURE (F)   54        36      1963


SUNRISE AND SUNSET
MAY 24 2018...........SUNRISE   550 AM EDT   SUNSET   823 PM EDT
MAY 25 2018...........SUNRISE   550 AM EDT   SUNSET   824 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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