711  
CDUS41 KLWX 131416  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1016 AM EDT FRI JUN 13 2025  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 11 2025  
 
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)  
YESTERDAY  
MAXIMUM 85 4:22 PM 95 2016 82 3 75  
MINIMUM 60 4:14 AM 40 1972 61 -1 56  
AVERAGE 73 71 2 66  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.07 2004 0.14 -0.14 0.00  
MONTH TO DATE 1.71 1.62 0.09 0.27  
SINCE JUN 1 1.71 1.62 0.09 0.27  
SINCE JAN 1 15.63 18.86 -3.23 17.57  
 
SNOWFALL (IN)  
YESTERDAY 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  
YESTERDAY 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  
YESTERDAY 8 7 1 1  
MONTH TO DATE 71 63 8 81  
SINCE JUN 1 71 63 8 81  
SINCE JAN 1 189 169 20 264    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 96 1986  
MINIMUM TEMPERATURE (F) 61 44 1972  
1980  
 
SUNRISE AND SUNSET  
JUNE 12 2025..........SUNRISE 5:44 AM EDT SUNSET 8:36 PM EDT  
JUNE 13 2025..........SUNRISE 5:44 AM EDT SUNSET 8:36 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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