Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 280528
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1227 AM EST WED JAN 28 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 27 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         32    148 PM  71    1974  43    -11       46
  MINIMUM         26   1159 PM  -9    1987  24      2       18
  AVERAGE         29                        34     -5       32

PRECIPITATION (IN)
  YESTERDAY        0.02          0.95 1976   0.08  -0.06     0.00
  MONTH TO DATE    3.21                      2.30   0.91     2.68
  SINCE DEC 1      6.47                      5.26   1.21     8.26
  SINCE JAN 1      3.21                      2.30   0.91     2.68

SNOWFALL (IN)
  YESTERDAY        0.2           2.0  2009   0.3   -0.1
  MONTH TO DATE    8.6                       6.1    2.5
  SINCE JUL 1     10.2                      10.1    0.1
  SNOW DEPTH       2

DEGREE DAYS
 HEATING
  YESTERDAY       36                        31      5       33
  MONTH TO DATE  934                       863     71      984
  SINCE DEC 1   1751                      1745      6     1777
  SINCE JUL 1   2745                      2661     84     2741

 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    24   HIGHEST WIND DIRECTION    NW (310)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    15.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    84          1200 AM
 LOWEST     57          1100 PM
 AVERAGE    71

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        68      2002
 MINIMUM TEMPERATURE (F)   24       -17      1987


SUNRISE AND SUNSET
JANUARY 28 2015.......SUNRISE   720 AM EST   SUNSET   526 PM EST
JANUARY 29 2015.......SUNRISE   719 AM EST   SUNSET   527 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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