806  
CDUS41 KLWX 270526  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
126 AM EDT SUN OCT 27 2024  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 26 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 69 12:29 PM 84 2023 64 5 84  
MINIMUM 43 9:47 PM 26 1972 41 2 45  
1987  
1988  
AVERAGE 56 53 3 65  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.76 1977 0.11 -0.11 0.00  
MONTH TO DATE 0.13 3.10 -2.97 0.57  
SINCE SEP 1 3.40 7.04 -3.64 7.22  
SINCE JAN 1 29.18 36.26 -7.08 26.44  
 
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 9 12 -3 0  
MONTH TO DATE 174 216 -42 169  
SINCE SEP 1 186 261 -75 185  
SINCE JUL 1 188 262 -74 185  
 
COOLING  
YESTERDAY 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 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 7:00 AM  
LOWEST 39 4:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 84 1963  
MINIMUM TEMPERATURE (F) 41 21 1988  
 
SUNRISE AND SUNSET  
OCTOBER 27 2024.......SUNRISE 7:32 AM EDT SUNSET 6:14 PM EDT  
OCTOBER 28 2024.......SUNRISE 7:33 AM EDT SUNSET 6:13 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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