761  
CDUS41 KLWX 162127  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
425 PM EST SAT FEB 16 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 16 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 48 1206 AM 70 1976 47 1 68  
MINIMUM 35 1023 AM 6 2015 26 9 36  
AVERAGE 42 36 6 52  
 
PRECIPITATION (IN)  
TODAY 0.00 2.33 2003 0.10 -0.10 0.13  
MONTH TO DATE 1.51 1.58 -0.07 3.37  
SINCE DEC 1 11.23 7.22 4.01 5.93  
SINCE JAN 1 5.47 4.26 1.21 5.16  
 
SNOWFALL (IN)  
TODAY 0.0 15.9 2003 0.3 -0.3  
MONTH TO DATE 1.7 4.8 -3.1  
SINCE JUL 1 20.2 16.1 4.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 23 29 -6 13  
MONTH TO DATE 422 480 -58 427  
SINCE DEC 1 2227 2348 -121 2353  
SINCE JUL 1 3185 3264 -79 3147  
 
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 21 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 13.4  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 48 1100 AM  
LOWEST 28 100 AM  
AVERAGE 38  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 47 75 1976  
MINIMUM TEMPERATURE (F) 26 -4 1979  
 
 
SUNRISE AND SUNSET  
FEBRUARY 16 2019......SUNRISE 700 AM EST SUNSET 548 PM EST  
FEBRUARY 17 2019......SUNRISE 659 AM EST SUNSET 549 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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