Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 300521
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
120 AM EDT WED JUL 30 2014


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 29 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         74    254 PM 103    2011  88    -14       81
  MINIMUM         52R  1158 PM  53    1978  66    -14       62
                                      1977
  AVERAGE         63                        77    -14       72

PRECIPITATION (IN)
  YESTERDAY        0.00          0.92 2001   0.12  -0.12     0.00
  MONTH TO DATE    2.09                      3.42  -1.33     7.13
  SINCE JUN 1      6.71                      7.40  -0.69    11.77
  SINCE JAN 1     31.06                     24.22   6.84    25.76

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

DEGREE DAYS
 HEATING
  YESTERDAY        2                         0      2        0
  MONTH TO DATE    2                         0      2        0
  SINCE JUN 1      4                        15    -11        0
  SINCE JUL 1      2                         0      2        0

 COOLING
  YESTERDAY        0                        12    -12        7
  MONTH TO DATE  291                       343    -52      407
  SINCE JUN 1    523                       580    -57      663
  SINCE JAN 1    609                       672    -63      802
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     9.8


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    83          1100 PM
 LOWEST     33           500 PM
 AVERAGE    58

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88        98      1988
 MINIMUM TEMPERATURE (F)   66        51      1981


SUNRISE AND SUNSET
JULY 30 2014..........SUNRISE   609 AM EDT   SUNSET   823 PM EDT
JULY 31 2014..........SUNRISE   610 AM EDT   SUNSET   822 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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