Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 290525
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT THU JUN 29 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JUNE 28 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         83    345 PM 100    1969  87     -4       87
  MINIMUM         61    539 AM  54    1927  70     -9       69
  AVERAGE         72                        78     -6       78

PRECIPITATION (IN)
  YESTERDAY        0.00          2.95 1914   0.13  -0.13     0.87
  MONTH TO DATE    1.13                      3.53  -2.40     3.68
  SINCE JUN 1      1.13                      3.53  -2.40     3.68
  SINCE JAN 1     15.92                     19.49  -3.57    19.01

SNOWFALL (IN)
  YESTERDAY        0.0          MM      MM   0.0    0.0
  MONTH TO DATE    0.0                       0.0    0.0
  SINCE JUL 1      3.4                      15.4  -12.0
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    1                         5     -4        0
  SINCE JUN 1      1                         5     -4        0
  SINCE JUL 1   3122                      4030   -908     3340

 COOLING
  YESTERDAY        7                        14     -7       13
  MONTH TO DATE  344                       286     58      325
  SINCE JUN 1    344                       286     58      325
  SINCE JAN 1    542                       420    122      453
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (180)
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     N (10)
  AVERAGE WIND SPEED     7.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.4


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    67           500 AM
 LOWEST     28           300 PM
 AVERAGE    48

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       104      2012
 MINIMUM TEMPERATURE (F)   70        54      1888


SUNRISE AND SUNSET
JUNE 29 2017..........SUNRISE   546 AM EDT   SUNSET   837 PM EDT
JUNE 30 2017..........SUNRISE   546 AM EDT   SUNSET   837 PM EDT


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




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