Climatological Report (Daily)
Issued by NWS Sterling, VA

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CDUS41 KLWX 172123
CLIIAD

CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
523 PM EDT MON JUN 17 2024

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

...THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 17 2024...
VALID TODAY AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2024


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR
                                                  NORMAL
...................................................................
TEMPERATURE (F)
 TODAY
  MAXIMUM         91   3:32 PM  96    2022  84      7       84
  MINIMUM         68   4:38 AM  46    1980  63      5       59
  AVERAGE         80                        73      7       72

PRECIPITATION (IN)
  TODAY            0.00          1.01 1979   0.15  -0.15     0.00
  MONTH TO DATE    0.28                      2.50  -2.22     0.25
  SINCE JUN 1      0.28                      2.50  -2.22     0.25
  SINCE JAN 1     17.58                     19.74  -2.16    10.23

SNOWFALL (IN)
  TODAY            0.0          MM      MM   0.0    0.0      0.0
  MONTH TO DATE    0.0                       0.0    0.0      0.0
  SINCE JUN 1      0.0                       0.0    0.0      0.0
  SINCE JUL 1     11.7                      21.0   -9.3      0.4
  SNOW DEPTH       0

DEGREE DAYS
 HEATING
  TODAY            0                         0      0        0
  MONTH TO DATE    0                        11    -11        2
  SINCE JUN 1      0                        11    -11        2
  SINCE JUL 1   3691                      4603   -912     3859

 COOLING
  TODAY           15                         8      7        7
  MONTH TO DATE  140                       109     31       67
  SINCE JUN 1    140                       109     31       67
  SINCE JAN 1    323                       215    108      141
...................................................................


WIND (MPH)
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (180)
  AVERAGE WIND SPEED     7.6


SKY COVER
  AVERAGE SKY COVER 0.3


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


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    68           7:00 AM
 LOWEST     49           3:00 PM
 AVERAGE    59

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


THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   84        94      2006
                                             2007
                                             2018
 MINIMUM TEMPERATURE (F)   63        45      1965


SUNRISE AND SUNSET
JUNE 17 2024..........SUNRISE   5:44 AM EDT   SUNSET   8:38 PM EDT
JUNE 18 2024..........SUNRISE   5:44 AM EDT   SUNSET   8:38 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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