797
CDUS41 KLWX 280524
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
124 AM EDT FRI JUL 28 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 27 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 98R 4:11 PM 98 1993 88 10 89
MINIMUM 72 11:24 PM 52 1977 67 5 70
AVERAGE 85 77 8 80
PRECIPITATION (IN)
YESTERDAY 0.07 3.50 1994 0.12 -0.05 0.00
MONTH TO DATE 4.71 3.64 1.07 4.79
SINCE JUN 1 7.01 7.94 -0.93 7.54
SINCE JAN 1 16.99 25.18 -8.19 24.76
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 MM
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 20 12 8 15
MONTH TO DATE 410 322 88 365
SINCE JUN 1 592 560 32 602
SINCE JAN 1 666 666 0 731
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WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)
AVERAGE WIND SPEED 7.8
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 AM
LOWEST 42 3:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 1993
MINIMUM TEMPERATURE (F) 67 47 1977
SUNRISE AND SUNSET
JULY 28 2023..........SUNRISE 6:07 AM EDT SUNSET 8:25 PM EDT
JULY 29 2023..........SUNRISE 6:08 AM EDT SUNSET 8:24 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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