318  
CDUS41 KLWX 080526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST SAT MAR 08 2025  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 7 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 56 4:14 PM 77 2022 52 4 66  
MINIMUM 33 7:22 AM 2 2015 31 2 45  
AVERAGE 45 41 4 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.53 1967 0.12 -0.12 0.02  
MONTH TO DATE 0.48 0.73 -0.25 1.45  
SINCE MAR 1 0.48 0.73 -0.25 1.45  
SINCE JAN 1 4.90 6.28 -1.38 8.90  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.3 1969 0.2 -0.2 0.0  
MONTH TO DATE 0.0 1.3 -1.3 0.0  
SINCE MAR 1 0.0 1.3 -1.3 0.0  
SINCE JUL 1 15.5 18.3 -2.8 11.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 24 -4 9  
MONTH TO DATE 149 172 -23 94  
SINCE MAR 1 149 172 -23 94  
SINCE JUL 1 3471 3682 -211 3058  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 3    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 48 1:00 AM  
LOWEST 22 3:00 PM  
AVERAGE 35  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 84 2000  
MINIMUM TEMPERATURE (F) 31 11 1986  
2007  
 
SUNRISE AND SUNSET  
MARCH 8 2025.........SUNRISE 6:31 AM EST SUNSET 6:10 PM EST  
MARCH 9 2025.........SUNRISE 7:30 AM EDT SUNSET 7:11 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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