Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 240528
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT WED MAY 24 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 23 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         65    458 PM  92    1964  77    -12       75
  MINIMUM         55    516 AM  39    2002  53      2       54
                                      1990
                                      1971
  AVERAGE         60                        65     -5       65

PRECIPITATION (IN)
  YESTERDAY        0.12          2.40 2010   0.16  -0.04     0.47
  MONTH TO DATE    5.48                      3.34   2.14     6.02
  SINCE MAR 1     12.64                     10.19   2.45     9.35
  SINCE JAN 1     16.08                     15.61   0.47    17.61

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        5                         3      2        0
  MONTH TO DATE  134                       112     22      164
  SINCE MAR 1    953                      1094   -141      945
  SINCE JUL 1   3846                      4684   -838     4036

 COOLING
  YESTERDAY        0                         3     -3        0
  MONTH TO DATE   50                        42      8        4
  SINCE MAR 1    119                        62     57       27
  SINCE JAN 1    119                        62     57       27
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (100)
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (90)
  AVERAGE WIND SPEED     5.5


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.9


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97           800 PM
 LOWEST     64           300 AM
 AVERAGE    81

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


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 2017...........SUNRISE   550 AM EDT   SUNSET   824 PM EDT
MAY 25 2017...........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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