688  
CDUS41 KLWX 062126  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
526 PM EDT FRI OCT 06 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 6 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1960 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 80 2:30 PM 89 2013 72 8 78  
MINIMUM 65 1:54 AM 28 1968 49 16 46  
AVERAGE 73 60 13 62  
 
PRECIPITATION (IN)  
TODAY 0.00 1.05 2006 0.13 -0.13 0.00  
MONTH TO DATE 0.00 0.76 -0.76 1.41  
SINCE SEP 1 6.65 4.70 1.95 4.69  
SINCE JAN 1 25.87 33.92 -8.05 32.19  
 
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 T 0.0 0.0 0.0  
SINCE JUL 1 T 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 6 -6 3  
MONTH TO DATE 0 31 -31 49  
SINCE SEP 1 16 76 -60 88  
SINCE JUL 1 16 77 -61 88  
 
COOLING  
TODAY 8 1 7 0  
MONTH TO DATE 32 11 21 0  
SINCE SEP 1 248 163 85 176  
SINCE JAN 1 1363 1219 144 1354    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 3.2  
 
SKY COVER  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 4:00 AM  
LOWEST 58 3:00 PM  
AVERAGE 78  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 71 91 2007  
MINIMUM TEMPERATURE (F) 49 31 1988  
 
SUNRISE AND SUNSET  
OCTOBER 6 2023.......SUNRISE 7:10 AM EDT SUNSET 6:45 PM EDT  
OCTOBER 7 2023.......SUNRISE 7:11 AM EDT SUNSET 6:43 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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