264  
CDUS41 KLWX 012124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT TUE OCT 01 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 1 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 68 3:56 PM 90 1986 73 -5 83  
MINIMUM 62 7:08 AM 31 1993 52 10 56  
AVERAGE 65 62 3 70  
 
PRECIPITATION (IN)  
TODAY 0.04 4.06 1979 0.13 -0.09 0.00  
MONTH TO DATE 0.04 0.13 -0.09 0.00  
SINCE SEP 1 3.31 4.07 -0.76 6.65  
SINCE JAN 1 29.09 33.29 -4.20 25.87  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 4 -4 0  
MONTH TO DATE 0 4 -4 0  
SINCE SEP 1 12 49 -37 16  
SINCE JUL 1 14 50 -36 16  
 
COOLING  
TODAY 0 2 -2 5  
MONTH TO DATE 0 2 -2 5  
SINCE SEP 1 137 154 -17 221  
SINCE JAN 1 1551 1210 341 1336    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 7:00 AM  
LOWEST 78 3:00 PM  
AVERAGE 87  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 96 2019  
MINIMUM TEMPERATURE (F) 51 32 1997  
1998  
 
SUNRISE AND SUNSET  
OCTOBER 1 2024.......SUNRISE 7:06 AM EDT SUNSET 6:52 PM EDT  
OCTOBER 2 2024.......SUNRISE 7:07 AM EDT SUNSET 6:50 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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