932  
CDUS41 KLWX 250525  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
125 AM EDT FRI OCT 25 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 24 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 68 1:32 PM 84 2001 65 3 74  
MINIMUM 42 11:59 PM 15 1969 42 0 34  
AVERAGE 55 54 1 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.69 2009 0.11 -0.11 0.00  
MONTH TO DATE 0.13 2.87 -2.74 0.57  
SINCE SEP 1 3.40 6.81 -3.41 7.22  
SINCE JAN 1 29.18 36.03 -6.85 26.44  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 T  
SINCE JUL 1 0.0 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 12 -2 11  
MONTH TO DATE 151 192 -41 165  
SINCE SEP 1 163 237 -74 181  
SINCE JUL 1 165 238 -73 181  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 14 19 -5 32  
SINCE SEP 1 151 171 -20 248  
SINCE JAN 1 1565 1227 338 1363    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 12:00 AM  
LOWEST 29 1:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 65 81 2023  
MINIMUM TEMPERATURE (F) 42 27 1969  
 
SUNRISE AND SUNSET  
OCTOBER 25 2024.......SUNRISE 7:30 AM EDT SUNSET 6:17 PM EDT  
OCTOBER 26 2024.......SUNRISE 7:31 AM EDT SUNSET 6:16 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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