Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 300539
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
128 AM EDT SAT MAY 30 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 29 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84    330 PM  97    1969  79      5       59
  MINIMUM         68   1152 PM  40    1997  56     12       55
  AVERAGE         76                        67      9       57

PRECIPITATION (IN)
  YESTERDAY        0.00          1.00 1984   0.16  -0.16     0.33
  MONTH TO DATE    2.46                      4.25  -1.79     6.33
  SINCE MAR 1      8.84                     11.10  -2.26    17.84
  SINCE JAN 1     13.86                     16.52  -2.66    24.34

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     36.9                      22.0   14.9
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         2     -2        8
  MONTH TO DATE   48                       127    -79       93
  SINCE MAR 1   1114                      1109      5     1332
  SINCE JUL 1   5115                      4699    416     5163

 COOLING
  YESTERDAY       11                         4      7        0
  MONTH TO DATE  152                        64     88       75
  SINCE MAR 1    155                        84     71       86
  SINCE JAN 1    155                        84     71       86
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (170)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)
  AVERAGE WIND SPEED     5.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           200 AM
 LOWEST     62           600 PM
 AVERAGE    76

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        95      2006
                                             1991
                                             1987
 MINIMUM TEMPERATURE (F)   56        38      1996


SUNRISE AND SUNSET
MAY 30 2015...........SUNRISE   547 AM EDT   SUNSET   828 PM EDT
MAY 31 2015...........SUNRISE   547 AM EDT   SUNSET   829 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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