Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 270525
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1225 AM EST TUE JAN 27 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 26 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         43   1251 AM  70    1967  43      0       32
  MINIMUM         26   1056 PM   3    1987  24      2        9
  AVERAGE         35                        34      1       21

PRECIPITATION (IN)
  YESTERDAY        0.23          1.31 2011   0.09   0.14      T
  MONTH TO DATE    3.19                      2.22   0.97     2.68
  SINCE DEC 1      6.45                      5.18   1.27     8.26
  SINCE JAN 1      3.19                      2.22   0.97     2.68

SNOWFALL (IN)
  YESTERDAY        1.7           7.3  2011   0.2    1.5
  MONTH TO DATE    8.4                       5.8    2.6
  SINCE JUL 1     10.0                       9.8    0.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       30                        32     -2       44
  MONTH TO DATE  898                       832     66      951
  SINCE DEC 1   1715                      1714      1     1744
  SINCE JUL 1   2709                      2630     79     2708

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE DEC 1      0                         0      0        2
  SINCE JAN 1      0                         0      0        0
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (350)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED    10.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 1.0


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    92           500 AM
 LOWEST     67          1200 AM
 AVERAGE    80

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        71      1974
 MINIMUM TEMPERATURE (F)   24        -9      1987


SUNRISE AND SUNSET
JANUARY 27 2015.......SUNRISE   720 AM EST   SUNSET   525 PM EST
JANUARY 28 2015.......SUNRISE   720 AM EST   SUNSET   526 PM EST


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




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