840
CDUS41 KLWX 292122
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
522 PM EDT SAT JUL 29 2023
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 29 2023
VALID TODAY AS OF 0500 PM LOCAL TIME.
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)
TODAY
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)
TODAY 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)
TODAY 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
TODAY 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
TODAY 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 7.0
SKY COVER
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
HEAVY RAIN
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 94 1:00 AM
LOWEST 45 2:00 PM
AVERAGE 70
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 98 1988
MINIMUM TEMPERATURE (F) 67 48 2014
SUNRISE AND SUNSET
JULY 29 2023..........SUNRISE 6:08 AM EDT SUNSET 8:24 PM EDT
JULY 30 2023..........SUNRISE 6:09 AM EDT SUNSET 8:23 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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