Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 280526
CLIDCA


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
126 AM EDT WED JUN 28 2017


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

...THE WASHINGTON NATIONAL DC CLIMATE SUMMARY FOR JUNE 27 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         82   1240 PM  99    2010  87     -5       87
  MINIMUM         66   1159 PM  57    1927  69     -3       68
                                      1908
  AVERAGE         74                        78     -4       78

PRECIPITATION (IN)
  YESTERDAY        0.07          2.75 2015   0.12  -0.05     0.35
  MONTH TO DATE    1.13                      3.40  -2.27     2.81
  SINCE JUN 1      1.13                      3.40  -2.27     2.81
  SINCE JAN 1     15.92                     19.36  -3.44    18.14

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        9                        13     -4       13
  MONTH TO DATE  337                       272     65      312
  SINCE JUN 1    337                       272     65      312
  SINCE JAN 1    535                       406    129      440
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     8.7


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  LIGHT RAIN


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    55           400 AM
 LOWEST     28           600 PM
 AVERAGE    42

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


THE WASHINGTON NATIONAL DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       100      1969
 MINIMUM TEMPERATURE (F)   70        54      1927


SUNRISE AND SUNSET
JUNE 28 2017..........SUNRISE   545 AM EDT   SUNSET   837 PM EDT
JUNE 29 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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