444  
CDUS41 KLWX 062135  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
435 PM EST MON JAN 06 2025  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 6 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 30 12:17 AM 71 2007 43 -13 38  
MINIMUM 26 12:25 PM 4 1977 26 0 26  
1999  
AVERAGE 28 34 -6 32  
 
PRECIPITATION (IN)  
TODAY 0.59 0.97 2024 0.09 0.50 0.97  
MONTH TO DATE 0.64 0.56 0.08 0.98  
SINCE DEC 1 3.98 3.86 0.12 6.73  
SINCE JAN 1 0.64 0.56 0.08 0.98  
 
SNOWFALL (IN)  
TODAY 4.6 R 4.2 2015 0.1 4.5 T  
MONTH TO DATE 4.8 0.8 4.0 T  
SINCE DEC 1 4.9 3.6 1.3 0.5  
SINCE JUL 1 4.9 3.9 1.0 0.5  
SNOW DEPTH 4  
 
DEGREE DAYS  
HEATING  
TODAY 37 31 6 33  
MONTH TO DATE 194 182 12 173  
SINCE DEC 1 1023 1027 -4 848  
SINCE JUL 1 1691 1927 -236 1619  
 
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 14 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
SLEET  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 2:00 AM  
LOWEST 63 12:00 AM  
AVERAGE 78  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 43 71 2008  
MINIMUM TEMPERATURE (F) 26 -1 2018  
 
SUNRISE AND SUNSET  
JANUARY 6 2025.......SUNRISE 7:29 AM EST SUNSET 5:03 PM EST  
JANUARY 7 2025.......SUNRISE 7:29 AM EST SUNSET 5:04 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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