727  
CDUS41 KLWX 072130  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
429 PM EST THU MAR 7 2019  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR MARCH 7 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 42 341 PM 76 1974 52 -10 50  
MINIMUM 16 232 AM 2 2015 30 -14 33  
AVERAGE 29 41 -12 42  
 
PRECIPITATION (IN)  
TODAY 0.00 1.53 1967 0.10 -0.10 0.01  
MONTH TO DATE 1.27 0.66 0.61 0.24  
SINCE MAR 1 1.27 0.66 0.61 0.24  
SINCE JAN 1 8.73 6.08 2.65 6.63  
 
SNOWFALL (IN)  
TODAY 0.0 2.3 1969 0.2 -0.2  
MONTH TO DATE 0.6 1.0 -0.4  
SINCE JUL 1 25.5 19.9 5.6  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 36 24 12 23  
MONTH TO DATE 223 173 50 168  
SINCE MAR 1 223 173 50 168  
SINCE JUL 1 3728 3763 -35 3519  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 5    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74 300 AM  
LOWEST 30 400 PM  
AVERAGE 52  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 84 2000  
MINIMUM TEMPERATURE (F) 31 11 2007  
1986  
 
 
SUNRISE AND SUNSET  
MARCH 7 2019.........SUNRISE 634 AM EST SUNSET 609 PM EST  
MARCH 8 2019.........SUNRISE 632 AM EST SUNSET 610 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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