426  
CDUS41 KLWX 060625  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
225 AM EDT FRI JUN 06 2025  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 5 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 86 4:20 PM 92 2021 80 6 82  
MINIMUM 63 5:28 AM 40 1976 59 4 71  
AVERAGE 75 70 5 77  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1963 0.15 -0.15 0.18  
MONTH TO DATE 0.00 0.74 -0.74 0.18  
SINCE JUN 1 0.00 0.74 -0.74 0.18  
SINCE JAN 1 13.92 17.98 -4.06 17.48  
 
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 1 -1 0  
MONTH TO DATE 15 7 8 0  
SINCE JUN 1 15 7 8 0  
SINCE JUL 1 4106 4599 -493 3691  
 
COOLING  
YESTERDAY 10 6 4 12  
MONTH TO DATE 17 26 -9 40  
SINCE JUN 1 17 26 -9 40  
SINCE JAN 1 135 132 3 223    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 5.8  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 6:00 AM  
LOWEST 48 3:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 93 2021  
MINIMUM TEMPERATURE (F) 59 39 1976  
 
SUNRISE AND SUNSET  
JUNE 6 2025..........SUNRISE 5:45 AM EDT SUNSET 8:33 PM EDT  
JUNE 7 2025..........SUNRISE 5:44 AM EDT SUNSET 8:33 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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