428  
CDUS41 KLWX 282123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
423 PM EST THU FEB 28 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 28 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 46 347 PM 70 1976 50 -4 62  
1965  
MINIMUM 33 126 AM 10 2014 28 5 41  
1993  
AVERAGE 40 39 1 52  
 
PRECIPITATION (IN)  
TODAY 0.00 1.13 1966 0.09 -0.09 0.00  
MONTH TO DATE 3.50 2.74 0.76 4.60  
SINCE DEC 1 13.22 8.38 4.84 7.16  
SINCE JAN 1 7.46 5.42 2.04 6.39  
 
SNOWFALL (IN)  
TODAY 0.0 4.1 2005 0.2 -0.2  
MONTH TO DATE 6.4 7.6 -1.2  
SINCE JUL 1 24.9 18.9 6.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 25 26 -1 13  
MONTH TO DATE 742 807 -65 631  
SINCE DEC 1 2547 2674 -127 2557  
SINCE JUL 1 3505 3590 -85 3351  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE DEC 1 0 0 0 5  
SINCE JAN 1 0 0 0 5    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 8.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 300 AM  
LOWEST 33 300 PM  
AVERAGE 67  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 50 77 1972  
MINIMUM TEMPERATURE (F) 29 11 1980  
 
 
SUNRISE AND SUNSET  
FEBRUARY 28 2019......SUNRISE 644 AM EST SUNSET 601 PM EST  
MARCH 1 2019.........SUNRISE 643 AM EST SUNSET 602 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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