520  
CDUS41 KLWX 250531  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
131 AM EDT MON MAR 25 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 24 2024
 
 
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)  
YESTERDAY  
MAXIMUM 51 5:17 PM 79 1988 58 -7 71  
1994  
MINIMUM 32 11:59 PM 19 2014 36 -4 43  
AVERAGE 42 47 -5 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.79 1979 0.12 -0.12 0.64  
MONTH TO DATE 3.53 2.69 0.84 1.38  
SINCE MAR 1 3.53 2.69 0.84 1.38  
SINCE JAN 1 10.98 8.24 2.74 5.01  
 
SNOWFALL (IN)  
YESTERDAY 0.0 3.0 1990 0.1 -0.1 0.0  
MONTH TO DATE T 3.5 -3.5 T  
SINCE MAR 1 T 3.5 -3.5 T  
SINCE JUL 1 11.7 20.5 -8.8 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 23 18 5 8  
MONTH TO DATE 351 529 -178 464  
SINCE MAR 1 351 529 -178 464  
SINCE JUL 1 3315 4039 -724 3428  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 1  
SINCE MAR 1 0 0 0 1  
SINCE JAN 1 3 0 3 1    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72 11:00 PM  
LOWEST 27 1:00 PM  
AVERAGE 50  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 58 78 2017  
MINIMUM TEMPERATURE (F) 36 17 1971  
 
SUNRISE AND SUNSET  
MARCH 25 2024.........SUNRISE 7:05 AM EDT SUNSET 7:27 PM EDT  
MARCH 26 2024.........SUNRISE 7:03 AM EDT SUNSET 7:28 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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