335  
CDUS41 KLWX 292128  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
528 PM EDT SAT JUN 29 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 29 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 93 3:04 PM 102 2012 87 6 86  
MINIMUM 70 1:17 AM 47 1970 65 5 57  
AVERAGE 82 76 6 72  
 
PRECIPITATION (IN)  
TODAY 0.00 2.70 1975 0.14 -0.14 0.00  
MONTH TO DATE 0.64 4.16 -3.52 1.96  
SINCE JUN 1 0.64 4.16 -3.52 1.96  
SINCE JAN 1 17.94 21.40 -3.46 11.94  
 
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 0  
MONTH TO DATE 0 11 -11 5  
SINCE JUN 1 0 11 -11 5  
SINCE JUL 1 3691 4603 -912 3862  
 
COOLING  
TODAY 17 11 6 7  
MONTH TO DATE 333 227 106 169  
SINCE JUN 1 333 227 106 169  
SINCE JAN 1 516 333 183 243    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 10.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 7:00 AM  
LOWEST 54 3:00 PM  
AVERAGE 71  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 98 1964  
MINIMUM TEMPERATURE (F) 66 51 1989  
 
SUNRISE AND SUNSET  
JUNE 29 2024..........SUNRISE 5:47 AM EDT SUNSET 8:39 PM EDT  
JUNE 30 2024..........SUNRISE 5:48 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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