365  
CDUS41 KLWX 150523  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1223 AM EST WED NOV 15 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 14 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 60 3:14 PM 80 1985 57 3 50  
MINIMUM 33 10:58 PM 13 1986 36 -3 28  
AVERAGE 47 46 1 39  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.90 1972 0.10 -0.10 0.00  
MONTH TO DATE 0.26 1.49 -1.23 1.15  
SINCE SEP 1 7.58 9.08 -1.50 6.67  
SINCE JAN 1 26.80 38.30 -11.50 34.17  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.7 1996 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 T 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 18 18 0 26  
MONTH TO DATE 223 230 -7 112  
SINCE SEP 1 429 559 -130 453  
SINCE JUL 1 429 560 -131 453  
 
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 20 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 6.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 12:00 AM  
LOWEST 33 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 81 1993  
MINIMUM TEMPERATURE (F) 36 19 1986  
 
SUNRISE AND SUNSET  
NOVEMBER 15 2023......SUNRISE 6:52 AM EST SUNSET 4:56 PM EST  
NOVEMBER 16 2023......SUNRISE 6:53 AM EST SUNSET 4:55 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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