552  
CDUS41 KLWX 152121  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
421 PM EST WED NOV 15 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 15 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 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)  
TODAY 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)  
TODAY 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  
TODAY 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  
TODAY 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 4.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
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 TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 56 74 2001  
2005  
MINIMUM TEMPERATURE (F) 35 14 1967  
 
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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