188  
CDUS41 KLWX 252126  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
526 PM EDT FRI OCT 25 2024  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 25 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 3:44 PM 81 2023 65 3 81  
MINIMUM 34 6:19 AM 27 1969 42 -8 40  
AVERAGE 51 53 -2 61  
 
PRECIPITATION (IN)  
TODAY 0.00 3.39 1971 0.12 -0.12 0.00  
MONTH TO DATE 0.13 2.99 -2.86 0.57  
SINCE SEP 1 3.40 6.93 -3.53 7.22  
SINCE JAN 1 29.18 36.15 -6.97 26.44  
 
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 14 12 2 4  
MONTH TO DATE 165 204 -39 169  
SINCE SEP 1 177 249 -72 185  
SINCE JUL 1 179 250 -71 185  
 
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 12 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 2.4  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 7:00 AM  
LOWEST 35 3:00 PM  
AVERAGE 64  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 84 2023  
MINIMUM TEMPERATURE (F) 41 26 1972  
1987  
1988  
 
SUNRISE AND SUNSET  
OCTOBER 25 2024.......SUNRISE 7:30 AM EDT SUNSET 6:17 PM EDT  
OCTOBER 26 2024.......SUNRISE 7:31 AM EDT SUNSET 6:16 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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