076  
CDUS41 KLWX 032121  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
421 PM EST WED JAN 03 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 3 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 48 3:04 PM 69 2023 43 5 69  
MINIMUM 27 7:46 AM 1 2018 26 1 50  
AVERAGE 38 35 3 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.37 1999 0.10 -0.10 T  
MONTH TO DATE 0.01 0.28 -0.27 T  
SINCE DEC 1 5.76 3.58 2.18 4.95  
SINCE JAN 1 0.01 0.28 -0.27 T  
 
SNOWFALL (IN)  
TODAY 0.0 3.9 2022 0.1 -0.1 0.0  
MONTH TO DATE T 0.4 -0.4 0.0  
SINCE DEC 1 0.5 3.2 -2.7 T  
SINCE JUL 1 0.5 3.5 -3.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 30 -3 5  
MONTH TO DATE 79 90 -11 41  
SINCE DEC 1 754 935 -181 903  
SINCE JUL 1 1525 1835 -310 1737  
 
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 10 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 7:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 74 1997  
MINIMUM TEMPERATURE (F) 26 5 1979  
 
SUNRISE AND SUNSET  
JANUARY 3 2024.......SUNRISE 7:29 AM EST SUNSET 5:00 PM EST  
JANUARY 4 2024.......SUNRISE 7:29 AM EST SUNSET 5:01 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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