360  
CDUS41 KLWX 062134  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
534 PM EDT MON APR 06 2020  
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR APRIL 6 2020
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1960 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 70 3:24 PM 93 2010 64 6 69  
MINIMUM 48 5:42 AM 24 1966 39 9 43  
2016  
AVERAGE 59 51 8 56  
 
PRECIPITATION (IN)  
TODAY T 1.57 2017 0.12 -0.12 0.00  
MONTH TO DATE T 0.72 -0.72 0.35  
SINCE MAR 1 1.99 4.10 -2.11 4.90  
SINCE JAN 1 8.56 9.52 -0.96 12.36  
 
SNOWFALL (IN)  
TODAY 0.0 2.7 1990 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.1 -0.1 0.0  
SINCE MAR 1 T 2.9 -2.9 1.6  
SINCE JUL 1 2.9 21.8 -18.9 26.5  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 6 14 -8 9  
MONTH TO DATE 67 89 -22 108  
SINCE MAR 1 515 736 -221 792  
SINCE JUL 1 3659 4326 -667 4297  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 3 3 0 0  
SINCE JAN 1 3 3 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 5:00 AM  
LOWEST 20 2:00 PM  
AVERAGE 55  
   
......................................................
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 64 91 2010  
MINIMUM TEMPERATURE (F) 40 21 1977  
 
SUNRISE AND SUNSET  
APRIL 6 2020.........SUNRISE 6:46 AM EDT SUNSET 7:39 PM EDT  
APRIL 7 2020.........SUNRISE 6:44 AM EDT SUNSET 7:40 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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