884
CDUS41 KLWX 190527
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
127 AM EDT SAT AUG 19 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 18 2023
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)
YESTERDAY
MAXIMUM 86 3:25 PM 98 2009 86 0 86
MINIMUM 68 11:59 PM 45 1981 65 3 57
AVERAGE 77 76 1 72
PRECIPITATION (IN)
YESTERDAY 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)
YESTERDAY 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
YESTERDAY 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
YESTERDAY 12 11 1 7
MONTH TO DATE 224 208 16 231
SINCE JUN 1 879 824 55 884
SINCE JAN 1 953 930 23 1013
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (310)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 10.9
SKY COVER
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
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 TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 86 95 2002
2019
MINIMUM TEMPERATURE (F) 65 51 1998
SUNRISE AND SUNSET
AUGUST 19 2023........SUNRISE 6:27 AM EDT SUNSET 7:59 PM EDT
AUGUST 20 2023........SUNRISE 6:28 AM EDT SUNSET 7:58 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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