552  
CDUS41 KLWX 230529  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
129 AM EDT SAT MAR 23 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 22 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 54 1:37 PM 83 1968 57 -3 68  
MINIMUM 27 6:19 AM 12 1988 35 -8 46  
AVERAGE 41 46 -5 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.07 0.93 1977 0.11 -0.04 0.00  
MONTH TO DATE 2.52 2.46 0.06 0.74  
SINCE MAR 1 2.52 2.46 0.06 0.74  
SINCE JAN 1 9.97 8.01 1.96 4.37  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.2 1992 0.1 -0.1 0.0  
MONTH TO DATE T 3.3 -3.3 T  
SINCE MAR 1 T 3.3 -3.3 T  
SINCE JUL 1 11.7 20.3 -8.6 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 24 19 5 8  
MONTH TO DATE 307 492 -185 456  
SINCE MAR 1 307 492 -185 456  
SINCE JUL 1 3271 4002 -731 3420  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 3 0 3 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 10:00 PM  
LOWEST 32 11:00 AM  
AVERAGE 57  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 83 1994  
2012  
MINIMUM TEMPERATURE (F) 36 17 1969  
 
SUNRISE AND SUNSET  
MARCH 23 2024.........SUNRISE 7:08 AM EDT SUNSET 7:25 PM EDT  
MARCH 24 2024.........SUNRISE 7:06 AM EDT SUNSET 7:26 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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