Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 242130
CLIIAD


CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
530 PM EDT MON JUL 24 2017


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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 24 2017...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1960 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
..................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         90    321 PM  99    2010  88      2       97
  MINIMUM         73    603 AM  48    1985  66      7       71
  AVERAGE         82                        77      5       84

PRECIPITATION (IN)
  TODAY            T             0.78 1992   0.12  -0.12     0.02
  MONTH TO DATE    7.11                      2.82   4.29     1.36
  SINCE JUN 1      8.39                      6.80   1.59     7.71
  SINCE JAN 1     27.48                     23.62   3.86    25.38

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

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                         0      0        0
  SINCE JUN 1      6                        15     -9        3
  SINCE JUL 1      0                         0      0        0

 COOLING
  TODAY           17                        12      5       19
  MONTH TO DATE  349                       283     66      331
  SINCE JUN 1    605                       520     85      584
  SINCE JAN 1    742                       612    130      682
..................................................................


WIND (MPH)
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION    NW (320)
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (320)
  AVERAGE WIND SPEED     4.6


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.6


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED TODAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           200 AM
 LOWEST     50           100 PM
 AVERAGE    75

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   88       100      2016
 MINIMUM TEMPERATURE (F)   66        55      1976


SUNRISE AND SUNSET
JULY 24 2017..........SUNRISE   604 AM EDT   SUNSET   828 PM EDT
JULY 25 2017..........SUNRISE   605 AM EDT   SUNSET   827 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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