Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 250520
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1219 AM EST SUN JAN 25 2015


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 24 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         42    346 PM  73    1967  43     -1       21
  MINIMUM         32    821 PM  -2    1987  24      8        5
  AVERAGE         37                        33      4       13

PRECIPITATION (IN)
  YESTERDAY        0.37          1.18 1979   0.09   0.28     0.00
  MONTH TO DATE    2.96                      2.04   0.92     2.68
  SINCE DEC 1      6.22                      5.00   1.22     8.26
  SINCE JAN 1      2.96                      2.04   0.92     2.68

SNOWFALL (IN)
  YESTERDAY        T             2.5  1977   0.3   -0.3
  MONTH TO DATE    6.7                       5.3    1.4
  SINCE JUL 1      8.3                       9.3   -1.0
  SNOW DEPTH       T

DEGREE DAYS
 HEATING
  YESTERDAY       28                        32     -4       52
  MONTH TO DATE  843                       768     75      867
  SINCE DEC 1   1660                      1650     10     1660
  SINCE JUL 1   2654                      2566     88     2624

 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    22   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     9.2


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.8


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    96           100 AM
 LOWEST     59           500 PM
 AVERAGE    78

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        73      1967
 MINIMUM TEMPERATURE (F)   24        -5      1987


SUNRISE AND SUNSET
JANUARY 25 2015.......SUNRISE   722 AM EST   SUNSET   523 PM EST
JANUARY 26 2015.......SUNRISE   721 AM EST   SUNSET   524 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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