Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 182132
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
432 PM EST SAT NOV 18 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR NOVEMBER 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    126 PM  80    1921  57      3
  MINIMUM         37    436 AM  21    1959  41     -4
                                      1891
  AVERAGE         49                        49      0

PRECIPITATION (IN)
  TODAY            T             0.90 1926   0.10  -0.10
  MONTH TO DATE    1.91                      1.88   0.03
  SINCE SEP 1      5.36                      9.00  -3.64
  SINCE JAN 1     35.01                     35.40  -0.39

SNOWFALL (IN)
  TODAY           MM             T    2008   0.0   MM
                                      1984
                                      1951
  MONTH TO DATE    0.0                       0.2   -0.2
  SINCE JUL 1      0.0                       0.2   -0.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY           16                                0
  MONTH TO DATE  264                               21
  SINCE SEP 1    357                             -115
  SINCE JUL 1    357                             -115

 COOLING
  TODAY            0                                0
  MONTH TO DATE    3                                3
  SINCE SEP 1    335                               99
  SINCE JAN 1   1826                              279
...............................................................


WIND (MPH)
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (210)
  HIGHEST GUST SPEED    31   HIGHEST GUST DIRECTION    SW (210)
  AVERAGE WIND SPEED    11.7




RELATIVE HUMIDITY (PERCENT)
 HIGHEST    85
 LOWEST     46
 AVERAGE    66

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        77      1928
 MINIMUM TEMPERATURE (F)   40        18      1891


SUNRISE AND SUNSET
NOVEMBER 18 2017......SUNRISE   654 AM EST   SUNSET   452 PM EST
NOVEMBER 19 2017......SUNRISE   655 AM EST   SUNSET   452 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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