Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 150523
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
123 AM EDT WED AUG 15 2018


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 14 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 YESTERDAY
  MAXIMUM         84    330 PM 100    1985  87     -3       77
  MINIMUM         62    527 AM  49    1983  65     -3       62
  AVERAGE         73                        76     -3       70

PRECIPITATION (IN)
  YESTERDAY        T             1.12 2008   0.12  -0.12      T
  MONTH TO DATE    1.65                      1.69  -0.04     2.04
  SINCE JUN 1     17.03                      9.34   7.69    12.12
  SINCE JAN 1     37.68                     26.16  11.52    31.21

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

DEGREE DAYS
 HEATING
  YESTERDAY        0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      5                        15    -10        6
  SINCE JUL 1      0                         0      0        0

 COOLING
  YESTERDAY        8                        11     -3        5
  MONTH TO DATE  185                       155     30      119
  SINCE JUN 1    793                       755     38      778
  SINCE JAN 1    985                       847    138      915
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (290)
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NW (300)
  AVERAGE WIND SPEED     6.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.7


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100          1200 AM
 LOWEST     51           200 PM
 AVERAGE    76

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   87       102      1988
 MINIMUM TEMPERATURE (F)   65        45      1964


SUNRISE AND SUNSET
AUGUST 15 2018........SUNRISE   623 AM EDT   SUNSET   805 PM EDT
AUGUST 16 2018........SUNRISE   624 AM EDT   SUNSET   803 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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