113  
CDUS41 KLWX 312124  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
524 PM EDT THU OCT 31 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 31 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 83R 3:11 PM 81 1982 62 21 53  
2004  
MINIMUM 56 6:58 AM 21 1968 40 16 35  
AVERAGE 70 51 19 44  
 
PRECIPITATION (IN)  
TODAY 0.00 1.35 2019 0.11 -0.11 T  
MONTH TO DATE 0.13 3.65 -3.52 0.67  
SINCE SEP 1 3.40 7.59 -4.19 7.32  
SINCE JAN 1 29.18 36.81 -7.63 26.54  
 
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 14 -14 21  
MONTH TO DATE 224 283 -59 190  
SINCE SEP 1 236 328 -92 206  
SINCE JUL 1 238 329 -91 206  
 
COOLING  
TODAY 5 0 5 0  
MONTH TO DATE 19 22 -3 49  
SINCE SEP 1 156 174 -18 265  
SINCE JAN 1 1570 1230 340 1380    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 7:00 AM  
LOWEST 41 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 84 1982  
MINIMUM TEMPERATURE (F) 40 25 1975  
 
SUNRISE AND SUNSET  
OCTOBER 31 2024.......SUNRISE 7:37 AM EDT SUNSET 6:10 PM EDT  
NOVEMBER 1 2024......SUNRISE 7:38 AM EDT SUNSET 6:09 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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