084  
CDUS41 KLWX 142140  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
438 PM EST MON JAN 14 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JANUARY 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 34 354 PM 72 1995 42 -8 26  
MINIMUM 26 824 AM 5 1970 24 2 14  
AVERAGE 30 33 -3 20  
 
PRECIPITATION (IN)  
TODAY T 1.79 2005 0.09 -0.09 0.00  
MONTH TO DATE 1.13 1.16 -0.03 1.53  
SINCE DEC 1 6.89 4.12 2.77 2.30  
SINCE JAN 1 1.13 1.16 -0.03 1.53  
 
SNOWFALL (IN)  
TODAY T 0.3 1978 0.2 -0.2  
MONTH TO DATE 10.6 2.7 7.9  
SINCE JUL 1 13.6 6.7 6.9  
SNOW DEPTH 8  
 
DEGREE DAYS  
HEATING  
TODAY 35 32 3 45  
MONTH TO DATE 379 448 -69 532  
SINCE DEC 1 1183 1330 -147 1455  
SINCE JUL 1 2141 2246 -105 2249  
 
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 N (10)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 7.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1200 AM  
LOWEST 49 100 PM  
AVERAGE 71  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 68 2007  
MINIMUM TEMPERATURE (F) 24 -7 1964  
 
 
SUNRISE AND SUNSET  
JANUARY 14 2019.......SUNRISE 727 AM EST SUNSET 511 PM EST  
JANUARY 15 2019.......SUNRISE 727 AM EST SUNSET 512 PM EST  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab VA Page
The Nexlab MD Page
The Nexlab WV Page Main Text Page