945  
CDUS41 KLWX 222125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
525 PM EDT SAT JUN 22 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 22 2024  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 100R 3:47 PM 99 1988 85 15 66  
MINIMUM 75 5:36 AM 48 1963 64 11 59  
1992  
AVERAGE 88 74 14 63  
 
PRECIPITATION (IN)  
TODAY 0.00 2.06 2001 0.14 -0.14 0.20  
MONTH TO DATE 0.28 3.17 -2.89 1.12  
SINCE JUN 1 0.28 3.17 -2.89 1.12  
SINCE JAN 1 17.58 20.41 -2.83 11.10  
 
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 11.7 21.0 -9.3 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 2  
MONTH TO DATE 0 11 -11 5  
SINCE JUN 1 0 11 -11 5  
SINCE JUL 1 3691 4603 -912 3862  
 
COOLING  
TODAY 23 10 13 0  
MONTH TO DATE 225 154 71 93  
SINCE JUN 1 225 154 71 93  
SINCE JAN 1 408 260 148 167    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 6:00 AM  
LOWEST 32 4:00 PM  
AVERAGE 52  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 96 1965  
1988  
MINIMUM TEMPERATURE (F) 64 44 1992  
 
SUNRISE AND SUNSET  
JUNE 22 2024..........SUNRISE 5:45 AM EDT SUNSET 8:39 PM EDT  
JUNE 23 2024..........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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