681  
CDUS41 KLWX 010528  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
128 AM EDT FRI NOV 01 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 31 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 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)  
YESTERDAY 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)  
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 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  
YESTERDAY 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 18 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
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 TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 62 84 1982  
MINIMUM TEMPERATURE (F) 40 25 1975  
 
SUNRISE AND SUNSET  
NOVEMBER 1 2024......SUNRISE 7:38 AM EDT SUNSET 6:09 PM EDT  
NOVEMBER 2 2024......SUNRISE 7:39 AM EDT SUNSET 6:07 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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