563  
CDUS41 KLWX 270529  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
129 AM EDT WED MAR 27 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 26 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 63 3:04 PM 81 2021 59 4 70  
MINIMUM 32 6:26 AM 17 1983 36 -4 41  
AVERAGE 48 48 0 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.55 1988 0.12 -0.11 0.00  
MONTH TO DATE 3.54 2.92 0.62 1.57  
SINCE MAR 1 3.54 2.92 0.62 1.57  
SINCE JAN 1 10.99 8.47 2.52 5.20  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.8 1971 0.0 0.0 0.0  
MONTH TO DATE T 3.6 -3.6 T  
SINCE MAR 1 T 3.6 -3.6 T  
SINCE JUL 1 11.7 20.6 -8.9 0.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 17 18 -1 9  
MONTH TO DATE 389 565 -176 489  
SINCE MAR 1 389 565 -176 489  
SINCE JUL 1 3353 4075 -722 3453  
 
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 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 4.3  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 4:00 AM  
LOWEST 30 3:00 PM  
AVERAGE 56  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 85 1998  
MINIMUM TEMPERATURE (F) 37 15 2014  
 
SUNRISE AND SUNSET  
MARCH 27 2024.........SUNRISE 7:01 AM EDT SUNSET 7:29 PM EDT  
MARCH 28 2024.........SUNRISE 7:00 AM EDT SUNSET 7:30 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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