052
CDUS41 KLWX 092130
CLIIAD
CLIMATE REPORT
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC
530 PM EDT WED JUL 09 2025
...............................
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JULY 9 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1960 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 91 1:20 PM 99 1988 88 3 98
1993
MINIMUM 72 2:51 AM 48 1984 67 5 76
AVERAGE 82 77 5 87
PRECIPITATION (IN)
TODAY T 2.23 1970 0.13 -0.13 0.00
MONTH TO DATE 0.62 1.22 -0.60 0.68
SINCE JUN 1 7.55 5.52 2.03 1.37
SINCE JAN 1 21.47 22.76 -1.29 18.67
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 15 13 2 0
SINCE JUL 1 0 0 0 0
COOLING
TODAY 17 12 5 22
MONTH TO DATE 127 106 21 152
SINCE JUN 1 448 344 104 506
SINCE JAN 1 566 450 116 689
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (170)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (160)
AVERAGE WIND SPEED 4.2
SKY COVER
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
THUNDERSTORM
LIGHT RAIN
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 12:00 AM
LOWEST 54 1:00 PM
AVERAGE 76
......................................................
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 88 99 1988
1993
MINIMUM TEMPERATURE (F) 67 53 1963
SUNRISE AND SUNSET
JULY 9 2025..........SUNRISE 5:53 AM EDT SUNSET 8:37 PM EDT
JULY 10 2025..........SUNRISE 5:53 AM EDT SUNSET 8:37 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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