210  
CDUS41 KLWX 032125  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
424 PM EST SUN FEB 3 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 3 2019
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2019  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 57 302 PM 66 1991 44 13 34  
MINIMUM 22 732 AM 1 1965 25 -3 9  
AVERAGE 40 34 6 22  
 
PRECIPITATION (IN)  
TODAY 0.00 1.33 2014 0.10 -0.10 0.00  
MONTH TO DATE 0.07 0.30 -0.23 0.21  
SINCE DEC 1 9.79 5.94 3.85 2.77  
SINCE JAN 1 4.03 2.98 1.05 2.00  
 
SNOWFALL (IN)  
TODAY 0.0 3.5 1996 0.4 -0.4  
MONTH TO DATE 0.9 1.0 -0.1  
SINCE JUL 1 19.4 12.3 7.1  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 25 31 -6 43  
MONTH TO DATE 115 93 22 101  
SINCE DEC 1 1920 1961 -41 2027  
SINCE JUL 1 2878 2877 1 2821  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 1.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 600 AM  
LOWEST 43 300 PM  
AVERAGE 72  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 70 1991  
MINIMUM TEMPERATURE (F) 25 4 1996  
1965  
 
 
SUNRISE AND SUNSET  
FEBRUARY 3 2019......SUNRISE 714 AM EST SUNSET 533 PM EST  
FEBRUARY 4 2019......SUNRISE 713 AM EST SUNSET 534 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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