111  
CDUS41 KLWX 222124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT SUN JUN 22 2025  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 22 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 94 3:59 PM 100 2024 85 9 100  
MINIMUM 72 5:46 AM 48 1963 64 8 75  
1992  
AVERAGE 83 74 9 88  
 
PRECIPITATION (IN)  
TODAY 0.00 2.06 2001 0.14 -0.14 0.00  
MONTH TO DATE 5.84 3.17 2.67 0.28  
SINCE JUN 1 5.84 3.17 2.67 0.28  
SINCE JAN 1 19.76 20.41 -0.65 17.58  
 
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 15.5 21.0 -5.5 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 15 11 4 0  
SINCE JUN 1 15 11 4 0  
SINCE JUL 1 4106 4603 -497 3691  
 
COOLING  
TODAY 18 10 8 23  
MONTH TO DATE 191 154 37 225  
SINCE JUN 1 191 154 37 225  
SINCE JAN 1 309 260 49 408    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 5:00 AM  
LOWEST 46 3:00 PM  
AVERAGE 67  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 98 2024  
MINIMUM TEMPERATURE (F) 64 44 1992  
 
SUNRISE AND SUNSET  
JUNE 22 2025..........SUNRISE 5:45 AM EDT SUNSET 8:39 PM EDT  
JUNE 23 2025..........SUNRISE 5:45 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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