764  
CDUS41 KLWX 070529  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
1229 AM EST TUE NOV 07 2023  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 6 2023
 
 
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)  
YESTERDAY  
MAXIMUM 66 3:15 PM 80 2015 60 6 77  
MINIMUM 39 7:10 AM 16 1991 38 1 66  
AVERAGE 53 49 4 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.42 1963 0.10 -0.10 0.31  
MONTH TO DATE T 0.65 -0.65 0.31  
SINCE SEP 1 7.32 8.24 -0.92 5.83  
SINCE JAN 1 26.54 37.46 -10.92 33.33  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 2001 0.0 0.0 0.0  
2002  
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  
YESTERDAY 12 16 -4 0  
MONTH TO DATE 109 91 18 21  
SINCE SEP 1 315 420 -105 362  
SINCE JUL 1 315 421 -106 362  
 
COOLING  
YESTERDAY 0 0 0 7  
MONTH TO DATE 0 0 0 15  
SINCE SEP 1 265 174 91 191  
SINCE JAN 1 1380 1230 150 1369    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.6  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80 11:00 PM  
LOWEST 42 2:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 79 2022  
MINIMUM TEMPERATURE (F) 38 22 1982  
1991  
 
SUNRISE AND SUNSET  
NOVEMBER 7 2023......SUNRISE 6:43 AM EST SUNSET 5:03 PM EST  
NOVEMBER 8 2023......SUNRISE 6:45 AM EST SUNSET 5:02 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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