377  
CDUS41 KLWX 262137  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
437 PM EST THU NOV 26 2020  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR NOVEMBER 26 2020
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1960 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 3:35 PM 75 1990 53 17 62  
MINIMUM 52 4:19 AM 16 1974 32 20 29  
AVERAGE 61 43 18 46  
 
PRECIPITATION (IN)  
TODAY 0.14 1.72 2013 0.12 0.02 0.00  
MONTH TO DATE 2.23 2.95 -0.72 1.60  
SINCE SEP 1 8.05 10.12 -2.07 7.98  
SINCE JAN 1 42.27 38.12 4.15 37.82  
 
SNOWFALL (IN)  
TODAY 0.0 1.6 2014 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.3 -0.3 T  
SINCE SEP 1 0.0 0.3 -0.3 T  
SINCE JUL 1 0.0 0.3 -0.3 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 4 22 -18 19  
MONTH TO DATE 334 466 -132 597  
SINCE SEP 1 601 820 -219 782  
SINCE JUL 1 601 822 -221 782  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 1 0 1 0  
SINCE SEP 1 154 160 -6 289  
SINCE JAN 1 1406 1176 230 1524    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED MM  
 
SKY COVER  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 2:00 AM  
LOWEST 53 2:00 PM  
AVERAGE 75  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 70 2011  
MINIMUM TEMPERATURE (F) 32 11 1974  
 
SUNRISE AND SUNSET  
NOVEMBER 26 2020......SUNRISE 7:05 AM EST SUNSET 4:49 PM EST  
NOVEMBER 27 2020......SUNRISE 7:06 AM EST SUNSET 4:49 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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