283  
CDUS41 KLWX 022125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
425 PM EST TUE JAN 02 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 2 2024  
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 45 3:38 PM 67 2000 43 2 64  
MINIMUM 34 6:05 AM -7 1968 26 8 37  
AVERAGE 40 35 5 51  
 
PRECIPITATION (IN)  
TODAY 0.00 1.40 1979 0.09 -0.09 0.00  
MONTH TO DATE 0.01 0.18 -0.17 0.00  
SINCE DEC 1 5.76 3.48 2.28 4.95  
SINCE JAN 1 0.01 0.18 -0.17 0.00  
 
SNOWFALL (IN)  
TODAY 0.0 3.0 1987 0.2 -0.2 0.0  
2014  
MONTH TO DATE T 0.3 -0.3 0.0  
SINCE DEC 1 0.5 3.1 -2.6 T  
SINCE JUL 1 0.5 3.4 -2.9 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 25 30 -5 14  
MONTH TO DATE 51 60 -9 36  
SINCE DEC 1 726 905 -179 898  
SINCE JUL 1 1497 1805 -308 1732  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 12.3  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 12:00 AM  
LOWEST 45 3:00 PM  
AVERAGE 61  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 69 2023  
MINIMUM TEMPERATURE (F) 26 1 2018  
 
SUNRISE AND SUNSET  
JANUARY 2 2024.......SUNRISE 7:29 AM EST SUNSET 4:59 PM EST  
JANUARY 3 2024.......SUNRISE 7:29 AM EST SUNSET 5:00 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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