176  
CDUS41 KLWX 042123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
523 PM EDT SAT NOV 04 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 4 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 71 12:47 PM 81 1974 61 10 76  
2003  
MINIMUM 30 7:12 AM 21 1966 39 -9 43  
AVERAGE 51 50 1 60  
 
PRECIPITATION (IN)  
TODAY 0.00 1.95 1970 0.11 -0.11 0.00  
MONTH TO DATE T 0.44 -0.44 0.00  
SINCE SEP 1 7.32 8.03 -0.71 5.52  
SINCE JAN 1 26.54 37.25 -10.71 33.02  
 
SNOWFALL (IN)  
TODAY 0.0 T 1970 0.0 0.0 0.0  
1991  
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 14 15 -1 5  
MONTH TO DATE 87 59 28 21  
SINCE SEP 1 293 388 -95 362  
SINCE JUL 1 293 389 -96 362  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 265 174 91 176  
SINCE JAN 1 1380 1230 150 1354    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 1.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85 6:00 AM  
LOWEST 17 1:00 PM  
AVERAGE 51  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 61 81 2022  
MINIMUM TEMPERATURE (F) 38 19 1991  
 
SUNRISE AND SUNSET  
NOVEMBER 4 2023......SUNRISE 7:40 AM EDT SUNSET 6:06 PM EDT  
NOVEMBER 5 2023......SUNRISE 6:41 AM EST SUNSET 5:05 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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