667
CDUS41 KLWX 300522
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
122 AM EDT FRI JUN 30 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 29 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 4:22 PM 102 2012 87 -1 87
MINIMUM 57 4:36 AM 47 1970 65 -8 56
AVERAGE 72 76 -4 72
PRECIPITATION (IN)
YESTERDAY 0.00 2.70 1975 0.14 -0.14 0.00
MONTH TO DATE 1.96 4.16 -2.20 2.75
SINCE JUN 1 1.96 4.16 -2.20 2.75
SINCE JAN 1 11.94 21.40 -9.46 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 7 11 -4 7
MONTH TO DATE 169 227 -58 225
SINCE JUN 1 169 227 -58 225
SINCE JAN 1 243 333 -90 354
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WIND (MPH)
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (240)
AVERAGE WIND SPEED 3.6
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 90 6:00 AM
LOWEST 35 5:00 PM
AVERAGE 63
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 87 98 1964
MINIMUM TEMPERATURE (F) 66 51 1989
SUNRISE AND SUNSET
JUNE 30 2023..........SUNRISE 5:47 AM EDT SUNSET 8:39 PM EDT
JULY 1 2023..........SUNRISE 5:48 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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