184  
CDUS41 KLWX 070524  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
124 AM EDT MON OCT 07 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 6 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 77 4:14 PM 89 2013 72 5 80  
MINIMUM 48 6:00 AM 28 1968 49 -1 65  
AVERAGE 63 60 3 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.05 2006 0.13 -0.13 0.00  
MONTH TO DATE 0.13 0.76 -0.63 0.00  
SINCE SEP 1 3.40 4.70 -1.30 6.65  
SINCE JAN 1 29.18 33.92 -4.74 25.87  
 
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 2 6 -4 0  
MONTH TO DATE 2 31 -29 0  
SINCE SEP 1 14 76 -62 16  
SINCE JUL 1 16 77 -61 16  
 
COOLING  
YESTERDAY 0 1 -1 8  
MONTH TO DATE 14 11 3 32  
SINCE SEP 1 151 163 -12 248  
SINCE JAN 1 1565 1219 346 1363    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 5.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 7:00 AM  
LOWEST 50 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 2007  
MINIMUM TEMPERATURE (F) 49 31 1988  
 
SUNRISE AND SUNSET  
OCTOBER 7 2024.......SUNRISE 7:12 AM EDT SUNSET 6:42 PM EDT  
OCTOBER 8 2024.......SUNRISE 7:13 AM EDT SUNSET 6:41 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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