424  
CDUS41 KLWX 072125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
425 PM EST TUE NOV 07 2023  
   
...............................  
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 7 2023  
 
VALID TODAY AS OF 0400 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 79R 3:56 PM 79 2022 60 19 79  
MINIMUM 55 6:14 AM 22 1982 38 17 60  
1991  
AVERAGE 67 49 18 70  
 
PRECIPITATION (IN)  
TODAY 0.00 2.31 1997 0.11 -0.11 0.00  
MONTH TO DATE T 0.76 -0.76 0.31  
SINCE SEP 1 7.32 8.35 -1.03 5.83  
SINCE JAN 1 26.54 37.57 -11.03 33.33  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 0 16 -16 0  
MONTH TO DATE 109 107 2 21  
SINCE SEP 1 315 436 -121 362  
SINCE JUL 1 315 437 -122 362  
 
COOLING  
TODAY 2 0 2 5  
MONTH TO DATE 2 0 2 20  
SINCE SEP 1 267 174 93 196  
SINCE JAN 1 1382 1230 152 1374    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 10.0  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 69 1:00 AM  
LOWEST 34 4:00 PM  
AVERAGE 52  
   
......................................................  
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 77 1975  
1987  
2020  
MINIMUM TEMPERATURE (F) 38 18 1967  
 
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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