392  
CDUS41 KLWX 302126  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
426 PM EST THU NOV 30 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 30 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 2:20 PM 72 1991 51 9 58  
MINIMUM 24 5:22 AM 11 1976 32 -8 38  
AVERAGE 42 42 0 48  
 
PRECIPITATION (IN)  
TODAY 0.00 1.38 2020 0.11 -0.11 0.24  
MONTH TO DATE 2.49 3.13 -0.64 2.79  
SINCE SEP 1 9.81 10.72 -0.91 8.31  
SINCE JAN 1 29.03 39.94 -10.91 35.81  
 
SNOWFALL (IN)  
TODAY 0.0 11.4 1967 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 T  
SINCE SEP 1 T 0.3 -0.3 T  
SINCE JUL 1 T 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 23 23 0 17  
MONTH TO DATE 565 569 -4 493  
SINCE SEP 1 771 898 -127 834  
SINCE JUL 1 771 899 -128 834  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 1 -1 22  
SINCE SEP 1 265 175 90 198  
SINCE JAN 1 1380 1231 149 1376    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 7:00 AM  
LOWEST 28 2:00 PM  
AVERAGE 48  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 51 75 2006  
MINIMUM TEMPERATURE (F) 32 4 1967  
 
SUNRISE AND SUNSET  
NOVEMBER 30 2023......SUNRISE 7:08 AM EST SUNSET 4:48 PM EST  
DECEMBER 1 2023......SUNRISE 7:09 AM EST SUNSET 4:48 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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