360  
CDUS41 KLWX 270526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1226 AM EST MON NOV 27 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 26 2023
 
 
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)  
YESTERDAY  
MAXIMUM 48 2:00 PM 75 1990 53 -5 62  
MINIMUM 28 7:22 AM 16 1974 33 -5 29  
AVERAGE 38 43 -5 46  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.72 2013 0.11 -0.11 0.00  
MONTH TO DATE 2.49 2.71 -0.22 2.46  
SINCE SEP 1 9.81 10.30 -0.49 7.98  
SINCE JAN 1 29.03 39.52 -10.49 35.48  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.6 2014 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 T  
SINCE SEP 1 T 0.2 -0.2 T  
SINCE JUL 1 T 0.2 -0.2 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 27 22 5 19  
MONTH TO DATE 451 477 -26 415  
SINCE SEP 1 657 806 -149 756  
SINCE JUL 1 657 807 -150 756  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 22  
SINCE SEP 1 265 174 91 198  
SINCE JAN 1 1380 1230 150 1376    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 2.5  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 PM  
LOWEST 58 1:00 PM  
AVERAGE 74  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 52 70 2011  
MINIMUM TEMPERATURE (F) 33 11 1974  
 
SUNRISE AND SUNSET  
NOVEMBER 27 2023......SUNRISE 7:05 AM EST SUNSET 4:49 PM EST  
NOVEMBER 28 2023......SUNRISE 7:06 AM EST SUNSET 4:49 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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