147  
CDUS41 KLWX 240522  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1222 AM EST FRI NOV 24 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 23 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 59 3:47 PM 70 1990 54 5 62  
MINIMUM 36 9:46 PM 14 1964 34 2 24  
1984  
AVERAGE 48 44 4 43  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 17 21 -4 22  
MONTH TO DATE 376 411 -35 361  
SINCE SEP 1 582 740 -158 702  
SINCE JUL 1 582 741 -159 702  
 
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 21 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 8:00 PM  
LOWEST 39 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 74 1979  
MINIMUM TEMPERATURE (F) 33 9 1989  
 
SUNRISE AND SUNSET  
NOVEMBER 24 2023......SUNRISE 7:02 AM EST SUNSET 4:50 PM EST  
NOVEMBER 25 2023......SUNRISE 7:03 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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