643  
CDUS41 KLWX 250523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST SAT NOV 25 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 24 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 56 12:44 PM 74 1979 53 3 61  
MINIMUM 34 5:59 AM 9 1989 33 1 27  
AVERAGE 45 43 2 44  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.81 1971 0.11 -0.11 0.00  
MONTH TO DATE 2.49 2.50 -0.01 2.35  
SINCE SEP 1 9.81 10.09 -0.28 7.87  
SINCE JAN 1 29.03 39.31 -10.28 35.37  
 
SNOWFALL (IN)  
YESTERDAY 0.0 2.9 1971 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 T  
SINCE SEP 1 T 0.1 -0.1 T  
SINCE JUL 1 T 0.1 -0.1 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 22 -2 21  
MONTH TO DATE 396 433 -37 382  
SINCE SEP 1 602 762 -160 723  
SINCE JUL 1 602 763 -161 723  
 
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 17 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 6:00 AM  
LOWEST 45 12:00 PM  
AVERAGE 64  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 77 1979  
MINIMUM TEMPERATURE (F) 33 15 1970  
 
SUNRISE AND SUNSET  
NOVEMBER 25 2023......SUNRISE 7:03 AM EST SUNSET 4:50 PM EST  
NOVEMBER 26 2023......SUNRISE 7:04 AM EST SUNSET 4:50 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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