700  
CDUS41 KLWX 022130  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
430 PM EST SAT FEB 2 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 2 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 40 353 PM 68 1990 44 -4 40  
MINIMUM 7 712 AM 5 2004 24 -17 15  
AVERAGE 24 34 -10 28  
 
PRECIPITATION (IN)  
TODAY 0.00 1.23 1973 0.10 -0.10 0.04  
MONTH TO DATE 0.07 0.20 -0.13 0.21  
SINCE DEC 1 9.79 5.84 3.95 2.77  
SINCE JAN 1 4.03 2.88 1.15 2.00  
 
SNOWFALL (IN)  
TODAY 0.0 4.7 1996 0.3 -0.3  
MONTH TO DATE 0.9 0.6 0.3  
SINCE JUL 1 19.4 11.9 7.5  
SNOW DEPTH 1  
 
DEGREE DAYS  
HEATING  
TODAY 41 31 10 37  
MONTH TO DATE 90 62 28 58  
SINCE DEC 1 1895 1930 -35 1984  
SINCE JUL 1 2853 2846 7 2778  
 
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 14 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 4.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 59 300 PM  
AVERAGE 80  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 44 66 1991  
MINIMUM TEMPERATURE (F) 25 1 1965  
 
 
SUNRISE AND SUNSET  
FEBRUARY 2 2019......SUNRISE 715 AM EST SUNSET 532 PM EST  
FEBRUARY 3 2019......SUNRISE 714 AM EST SUNSET 533 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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