Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 192122
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
422 PM EST THU JAN 19 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JANUARY 19 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         53    347 PM  71    1951  43     10
  MINIMUM         41    529 AM  -4    1994  28     13
  AVERAGE         47                        36     11

PRECIPITATION (IN)
  TODAY            0.00          1.41 1936   0.09  -0.09
  MONTH TO DATE    1.82                      1.71   0.11
  SINCE DEC 1      4.43                      4.76  -0.33
  SINCE JAN 1      1.82                      1.71   0.11

SNOWFALL (IN)
  TODAY            0.0           7.0  1961   0.2   -0.2
  MONTH TO DATE    0.4                       3.0   -2.6
  SINCE JUL 1      0.4                       5.8   -5.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           18                              -11
  MONTH TO DATE  458                              -93
  SINCE DEC 1   1168                             -169
  SINCE JUL 1   1655                             -377

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


WIND (MPH)
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (340)
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     7.6




RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76
 LOWEST     59
 AVERAGE    68

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   43        70      1951
 MINIMUM TEMPERATURE (F)   28        -2      1985


SUNRISE AND SUNSET
JANUARY 19 2017.......SUNRISE   723 AM EST   SUNSET   515 PM EST
JANUARY 20 2017.......SUNRISE   723 AM EST   SUNSET   516 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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