491  
CDUS41 KLWX 142123  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
423 PM EST THU FEB 14 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR FEBRUARY 14 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 50 359 PM 71 1990 46 4 53  
MINIMUM 26 733 AM -5 1979 26 0 31  
AVERAGE 38 36 2 42  
 
PRECIPITATION (IN)  
TODAY 0.00 1.27 1984 0.10 -0.10 0.07  
MONTH TO DATE 1.51 1.38 0.13 3.23  
SINCE DEC 1 11.23 7.02 4.21 5.79  
SINCE JAN 1 5.47 4.06 1.41 5.02  
 
SNOWFALL (IN)  
TODAY 0.0 3.4 1970 0.2 -0.2  
MONTH TO DATE 1.7 4.2 -2.5  
SINCE JUL 1 20.2 15.5 4.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 27 29 -2 23  
MONTH TO DATE 390 422 -32 411  
SINCE DEC 1 2195 2290 -95 2337  
SINCE JUL 1 3153 3206 -53 3131  
 
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 W (280)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 3.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 700 AM  
LOWEST 33 300 PM  
AVERAGE 57  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 46 76 2018  
MINIMUM TEMPERATURE (F) 26 6 2015  
 
 
SUNRISE AND SUNSET  
FEBRUARY 14 2019......SUNRISE 703 AM EST SUNSET 546 PM EST  
FEBRUARY 15 2019......SUNRISE 701 AM EST SUNSET 547 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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