832  
CDUS41 KLWX 082126  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
526 PM EDT SUN OCT 08 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR OCTOBER 8 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 62 2:55 PM 92 2007 71 -9 60  
MINIMUM 42 6:24 AM 30 2001 48 -6 38  
AVERAGE 52 60 -8 49  
 
PRECIPITATION (IN)  
TODAY 0.00 2.79 2005 0.13 -0.13 0.00  
MONTH TO DATE 0.18 1.01 -0.83 1.41  
SINCE SEP 1 6.83 4.95 1.88 4.69  
SINCE JAN 1 26.05 34.17 -8.12 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 13 7 6 16  
MONTH TO DATE 19 44 -25 67  
SINCE SEP 1 35 89 -54 106  
SINCE JUL 1 35 90 -55 106  
 
COOLING  
TODAY 0 1 -1 0  
MONTH TO DATE 32 13 19 0  
SINCE SEP 1 248 165 83 176  
SINCE JAN 1 1363 1221 142 1354    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)  
HIGHEST GUST SPEED 35 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 76 7:00 AM  
LOWEST 34 2:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 70 94 2007  
MINIMUM TEMPERATURE (F) 48 26 2001  
 
SUNRISE AND SUNSET  
OCTOBER 8 2023.......SUNRISE 7:12 AM EDT SUNSET 6:42 PM EDT  
OCTOBER 9 2023.......SUNRISE 7:13 AM EDT SUNSET 6:40 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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