101
CDUS41 KLWX 300533
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
133 AM EDT SUN JUL 30 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 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 98 2:39 PM 103 2011 88 10 85
MINIMUM 72 5:34 AM 52 2014 67 5 68
AVERAGE 85 77 8 77
PRECIPITATION (IN)
YESTERDAY 0.25 0.92 2001 0.12 0.13 0.04
MONTH TO DATE 5.00 3.89 1.11 5.07
SINCE JUN 1 7.30 8.19 -0.89 7.82
SINCE JAN 1 17.28 25.43 -8.15 25.04
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 20 12 8 12
MONTH TO DATE 450 346 104 394
SINCE JUN 1 632 584 48 631
SINCE JAN 1 706 690 16 760
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION SW (220)
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 8.3
SKY COVER
AVERAGE SKY COVER 0.6
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 AM
LOWEST 41 6:00 PM
AVERAGE 68
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THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 67 48 2014
SUNRISE AND SUNSET
JULY 30 2023..........SUNRISE 6:09 AM EDT SUNSET 8:23 PM EDT
JULY 31 2023..........SUNRISE 6:10 AM EDT SUNSET 8:22 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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