Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 310523
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT TUE MAY 31 2016


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 30 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         83    153 PM  95    2006  79      4       89
                                      1991
                                      1987
  MINIMUM         63    459 AM  38    1996  56      7       68
  AVERAGE         73                        67      6       79

PRECIPITATION (IN)
  YESTERDAY        0.00          1.33 1971   0.15  -0.15     0.00
  MONTH TO DATE    6.08                      4.40   1.68     2.46
  SINCE MAR 1      9.41                     11.25  -1.84     8.84
  SINCE JAN 1     17.67                     16.67   1.00    13.86

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     34.3                      22.0   12.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        0
  MONTH TO DATE  164                       129     35       49
  SINCE MAR 1    945                      1111   -166     1115
  SINCE JUL 1   4036                      4701   -665     5116

 COOLING
  YESTERDAY        8                         4      4       14
  MONTH TO DATE   62                        68     -6      166
  SINCE MAR 1     85                        88     -3      169
  SINCE JAN 1     85                        88     -3      169
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SE (140)
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    SE (130)
  AVERAGE WIND SPEED     4.0


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    97          1100 PM
 LOWEST     58          1100 AM
 AVERAGE    78

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        94      2011
                                             1991
 MINIMUM TEMPERATURE (F)   56        37      1984


SUNRISE AND SUNSET
MAY 31 2016...........SUNRISE   546 AM EDT   SUNSET   829 PM EDT
JUNE  1 2016..........SUNRISE   546 AM EDT   SUNSET   830 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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