Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 290526
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST THU JAN 29 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 28 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         35    355 PM  68    2002  43     -8       18
  MINIMUM         18   1053 PM -17    1987  24     -6        8
  AVERAGE         27                        34     -7       13

PRECIPITATION (IN)
  YESTERDAY        0.00          1.64 1998   0.10  -0.10      T
  MONTH TO DATE    3.21                      2.40   0.81     2.68
  SINCE DEC 1      6.47                      5.36   1.11     8.26
  SINCE JAN 1      3.21                      2.40   0.81     2.68

SNOWFALL (IN)
  YESTERDAY        0.0           6.7  1994   0.3   -0.3
  MONTH TO DATE    8.6                       6.4    2.2
  SINCE JUL 1     10.2                      10.4   -0.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       38                        31      7       52
  MONTH TO DATE  972                       894     78     1036
  SINCE DEC 1   1789                      1776     13     1829
  SINCE JUL 1   2783                      2692     91     2793

 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 (320)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED    11.9


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    62           400 AM
 LOWEST     32           200 PM
 AVERAGE    47

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        75      1975
 MINIMUM TEMPERATURE (F)   24        -1      1987
                                             1963


SUNRISE AND SUNSET
JANUARY 29 2015.......SUNRISE   719 AM EST   SUNSET   527 PM EST
JANUARY 30 2015.......SUNRISE   718 AM EST   SUNSET   529 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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