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Climatological Report (Daily)
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CDUS41 KLWX 072124
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
524 PM EDT TUE MAY 7 2013


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MAY 7 2013...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         63    359 PM  90    2000  73    -10       70
                                      1986
  MINIMUM         58    455 AM  28    1970  48     10       58
  AVERAGE         61                        61      0       64

PRECIPITATION (IN)
  TODAY            0.77          1.51 1967   0.14   0.63     0.00
  MONTH TO DATE    0.78                      0.93  -0.15     0.16
  SINCE MAR 1      6.24                      7.78  -1.54     3.50
  SINCE JAN 1     11.57                     13.20  -1.63     7.59

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1     12.7                      22.0   -9.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            4                         6     -2        1
  MONTH TO DATE   62                        45     17        1
  SINCE MAR 1   1112                      1027     85      676
  SINCE JUL 1   4476                      4617   -141     3730

 COOLING
  TODAY            0                         1     -1        0
  MONTH TO DATE    0                         7     -7       27
  SINCE MAR 1     30                        27      3       55
  SINCE JAN 1     30                        27      3       55
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (70)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (80)
  AVERAGE WIND SPEED    10.4


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  HEAVY RAIN
  RAIN
  LIGHT RAIN
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     87          1200 AM
 AVERAGE    94

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   73        90      2000
 MINIMUM TEMPERATURE (F)   49        29      1974


SUNRISE AND SUNSET
MAY  7 2013...........SUNRISE   605 AM EDT   SUNSET   808 PM EDT
MAY  8 2013...........SUNRISE   604 AM EDT   SUNSET   809 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$
National Weather Service National Headquarters
