Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 182129
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
429 PM EST WED JAN 18 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 18 2017...
VALID TODAY AS OF 0400 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1871 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE
                VALUE   (LST)  VALUE       VALUE  FROM
                                                  NORMAL
...............................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         60    103 PM  69    1990  43     17
  MINIMUM         44    742 AM  -6    1893  28     16
  AVERAGE         52                        36     16

PRECIPITATION (IN)
  TODAY            0.00          1.30 1980   0.09  -0.09
  MONTH TO DATE    1.82                      1.62   0.20
  SINCE DEC 1      4.43                      4.67  -0.24
  SINCE JAN 1      1.82                      1.62   0.20

SNOWFALL (IN)
  TODAY            0.0           3.6  1984   0.2   -0.2
  MONTH TO DATE    0.4                       2.8   -2.4
  SINCE JUL 1      0.4                       5.6   -5.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           13                              -16
  MONTH TO DATE  440                              -82
  SINCE DEC 1   1150                             -158
  SINCE JUL 1   1637                             -366

 COOLING
  TODAY            0                                0
  MONTH TO DATE    0                                0
  SINCE DEC 1      0                                0
  SINCE JAN 1      0                                0
...............................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     9.7




RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100
 LOWEST     47
 AVERAGE    74

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        71      1951
 MINIMUM TEMPERATURE (F)   28        -4      1994


SUNRISE AND SUNSET
JANUARY 18 2017.......SUNRISE   724 AM EST   SUNSET   514 PM EST
JANUARY 19 2017.......SUNRISE   723 AM EST   SUNSET   515 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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