Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 180529
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
1229 AM EST SAT NOV 18 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR NOVEMBER 17 2017...

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


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         54    323 PM  77    1896  57     -3       63
  MINIMUM         40   1124 PM  17    1933  41     -1       44
  AVERAGE         47                        49     -2       54

PRECIPITATION (IN)
  YESTERDAY        0.00          2.04 1927   0.11  -0.11     0.00
  MONTH TO DATE    1.91                      1.78   0.13     0.21
  SINCE SEP 1      5.36                      8.90  -3.54     3.61
  SINCE JAN 1     35.01                     35.30  -0.29    28.54

SNOWFALL (IN)
  YESTERDAY        0.0           T    1992   0.0    0.0
                                      1980
                                      1967
  MONTH TO DATE    0.0                       0.2   -0.2
  SINCE JUL 1      0.0                       0.2   -0.2
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY       18                        16      2       11
  MONTH TO DATE  248                       227     21      164
  SINCE SEP 1    341                       456   -115      281
  SINCE JUL 1    341                       456   -115      281

 COOLING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    3                         0      3        6
  SINCE SEP 1    335                       236     99      408
  SINCE JAN 1   1826                      1547    279     1994
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    NW (330)
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    NW (330)
  AVERAGE WIND SPEED     8.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.5


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  NO SIGNIFICANT WEATHER WAS OBSERVED.


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    76           800 PM
 LOWEST     38           100 PM
 AVERAGE    57

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   57        80      1921
 MINIMUM TEMPERATURE (F)   41        21      1959
                                             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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