598
CDUS41 KLWX 182131
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
531 PM EDT FRI AUG 18 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 18 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2023
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 86 3:25 PM 98 2009 86 0 86
MINIMUM 70 3:58 AM 45 1981 65 5 57
AVERAGE 78 76 2 72
PRECIPITATION (IN)
TODAY 0.00 1.39 2010 0.11 -0.11 0.00
MONTH TO DATE 1.84 2.06 -0.22 2.03
SINCE JUN 1 9.23 10.51 -1.28 10.01
SINCE JAN 1 19.21 27.75 -8.54 27.23
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 0.0 0.0 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 5 13 -8 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 13 11 2 7
MONTH TO DATE 225 208 17 231
SINCE JUN 1 880 824 56 884
SINCE JAN 1 954 930 24 1013
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 11.1
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 4:00 AM
LOWEST 30 4:00 PM
AVERAGE 62
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 95 2002
2019
MINIMUM TEMPERATURE (F) 65 51 1998
SUNRISE AND SUNSET
AUGUST 18 2023........SUNRISE 6:26 AM EDT SUNSET 8:01 PM EDT
AUGUST 19 2023........SUNRISE 6:27 AM EDT SUNSET 7:59 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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