Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 240528
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1226 AM EST TUE JAN 24 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 23 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1962 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         50    107 AM  72    1967  43      7       29
  MINIMUM         36   1159 PM  -4    1978  24     12       21
                                      1970
  AVERAGE         43                        33     10       25

PRECIPITATION (IN)
  YESTERDAY        0.74          1.88 2016   0.09   0.65     1.88
  MONTH TO DATE    2.64                      1.95   0.69     4.45
  SINCE DEC 1      5.00                      4.91   0.09     8.21
  SINCE JAN 1      2.64                      1.95   0.69     4.45

SNOWFALL (IN)
  YESTERDAY        T            22.1  2016   0.2   -0.2
  MONTH TO DATE    0.7                       5.0   -4.3
  SINCE JUL 1      0.7                       9.0   -8.3
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       22                        32    -10       40
  MONTH TO DATE  590                       736   -146      763
  SINCE DEC 1   1413                      1618   -205     1266
  SINCE JUL 1   2140                      2534   -394     2016

 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    33   HIGHEST WIND DIRECTION    NE (60)
  HIGHEST GUST SPEED    45   HIGHEST GUST DIRECTION    NE (40)
  AVERAGE WIND SPEED    16.6


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    92           200 PM
 LOWEST     82          1200 PM
 AVERAGE    87

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        73      1967
 MINIMUM TEMPERATURE (F)   24        -2      1987


SUNRISE AND SUNSET
JANUARY 24 2017.......SUNRISE   722 AM EST   SUNSET   522 PM EST
JANUARY 25 2017.......SUNRISE   721 AM EST   SUNSET   523 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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