039
CDUS41 KLWX 290529
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
129 AM EDT THU JUN 29 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 28 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 81 3:32 PM 97 1966 86 -5 80
MINIMUM 64 11:59 PM 44 1970 65 -1 53
AVERAGE 73 76 -3 67
PRECIPITATION (IN)
YESTERDAY 0.00 1.06 1983 0.14 -0.14 0.00
MONTH TO DATE 1.96 4.02 -2.06 2.75
SINCE JUN 1 1.96 4.02 -2.06 2.75
SINCE JAN 1 11.94 21.26 -9.32 19.97
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 0.4 21.0 -20.6 15.8
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 5 11 -6 0
SINCE JUN 1 5 11 -6 0
SINCE JUL 1 3852 4603 -751 4023
COOLING
YESTERDAY 8 11 -3 2
MONTH TO DATE 162 216 -54 218
SINCE JUN 1 162 216 -54 218
SINCE JAN 1 236 322 -86 347
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WIND (MPH)
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (310)
AVERAGE WIND SPEED 9.2
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 84 4:00 AM
LOWEST 49 4:00 PM
AVERAGE 67
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 102 2012
MINIMUM TEMPERATURE (F) 65 47 1970
SUNRISE AND SUNSET
JUNE 29 2023..........SUNRISE 5:47 AM EDT SUNSET 8:39 PM EDT
JUNE 30 2023..........SUNRISE 5:47 AM EDT SUNSET 8:39 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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