846  
CDUS41 KLWX 131419  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1019 AM EDT FRI JUN 13 2025  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 12 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 89 4:46 PM 96 1986 82 7 84  
MINIMUM 61 4:56 AM 44 1972 61 0 53  
1980  
AVERAGE 75 72 3 69  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.88 1968 0.15 -0.15 0.00  
MONTH TO DATE 1.71 1.77 -0.06 0.27  
SINCE JUN 1 1.71 1.77 -0.06 0.27  
SINCE JAN 1 15.63 19.01 -3.38 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 MM  
 
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 10 7 3 4  
MONTH TO DATE 81 70 11 85  
SINCE JUN 1 81 70 11 85  
SINCE JAN 1 199 176 23 268    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 4.0  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 71 11:00 PM  
LOWEST 46 6:00 PM  
AVERAGE 59  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 95 2017  
MINIMUM TEMPERATURE (F) 61 43 1980  
 
SUNRISE AND SUNSET  
JUNE 13 2025..........SUNRISE 5:44 AM EDT SUNSET 8:36 PM EDT  
JUNE 14 2025..........SUNRISE 5:44 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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