433  
CDUS41 KLWX 192122  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
522 PM EDT SAT OCT 19 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 19 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 74 3:47 PM 87 2016 67 7 73  
MINIMUM 36 6:16 AM 25 1976 44 -8 40  
AVERAGE 55 55 0 57  
 
PRECIPITATION (IN)  
TODAY 0.00 1.36 1966 0.12 -0.12 0.00  
MONTH TO DATE 0.13 2.28 -2.15 0.52  
SINCE SEP 1 3.40 6.22 -2.82 7.17  
SINCE JAN 1 29.18 35.44 -6.26 26.39  
 
SNOWFALL (IN)  
TODAY 0.0 0.1 1972 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 MM  
 
DEGREE DAYS  
HEATING  
TODAY 10 10 0 8  
MONTH TO DATE 121 137 -16 115  
SINCE SEP 1 133 182 -49 131  
SINCE JUL 1 135 183 -48 131  
 
COOLING  
TODAY 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 8 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 2.7  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 5:00 AM  
LOWEST 24 3:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 83 1969  
2016  
MINIMUM TEMPERATURE (F) 44 20 1972  
 
SUNRISE AND SUNSET  
OCTOBER 19 2024.......SUNRISE 7:24 AM EDT SUNSET 6:25 PM EDT  
OCTOBER 20 2024.......SUNRISE 7:25 AM EDT SUNSET 6:23 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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