136  
CDUS41 KLWX 160524  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1224 AM EST THU NOV 16 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 15 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 62 2:48 PM 81 1993 57 5 40  
MINIMUM 30 7:26 AM 19 1986 36 -6 28  
AVERAGE 46 46 0 34  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.50 2018 0.10 -0.10 1.20  
MONTH TO DATE 0.26 1.59 -1.33 2.35  
SINCE SEP 1 7.58 9.18 -1.60 7.87  
SINCE JAN 1 26.80 38.40 -11.60 35.37  
 
SNOWFALL (IN)  
YESTERDAY 0.0 T 1992 0.0 0.0 T  
1995  
2022  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE SEP 1 T 0.0 0.0 T  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 19 19 0 31  
MONTH TO DATE 242 249 -7 143  
SINCE SEP 1 448 578 -130 484  
SINCE JUL 1 448 579 -131 484  
 
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 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.9  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 7:00 AM  
LOWEST 35 3:00 PM  
AVERAGE 62  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 74 2001  
2005  
MINIMUM TEMPERATURE (F) 35 14 1967  
 
SUNRISE AND SUNSET  
NOVEMBER 16 2023......SUNRISE 6:53 AM EST SUNSET 4:55 PM EST  
NOVEMBER 17 2023......SUNRISE 6:55 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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