863  
CDUS41 KLWX 232124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
424 PM EST THU NOV 23 2023  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 23 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 59 3:47 PM 70 1990 54 5 62  
MINIMUM 43 7:30 AM 14 1964 34 9 24  
1984  
AVERAGE 51 44 7 43  
 
PRECIPITATION (IN)  
TODAY 0.00 1.25 1992 0.10 -0.10 0.00  
MONTH TO DATE 2.49 2.39 0.10 2.35  
SINCE SEP 1 9.81 9.98 -0.17 7.87  
SINCE JAN 1 29.03 39.20 -10.17 35.37  
 
SNOWFALL (IN)  
TODAY 0.0 0.3 1995 0.0 0.0 0.0  
2005  
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  
TODAY 14 21 -7 22  
MONTH TO DATE 373 411 -38 361  
SINCE SEP 1 579 740 -161 702  
SINCE JUL 1 579 741 -162 702  
 
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 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 68 3:00 AM  
LOWEST 39 3:00 PM  
AVERAGE 54  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 74 1979  
MINIMUM TEMPERATURE (F) 33 9 1989  
 
SUNRISE AND SUNSET  
NOVEMBER 23 2023......SUNRISE 7:01 AM EST SUNSET 4:51 PM EST  
NOVEMBER 24 2023......SUNRISE 7:02 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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