895  
CDUS41 KLWX 060529  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
128 AM EDT WED JUN 6 2018  
 
   
...............................
 
 
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR JUNE 5 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1960 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 80 252 PM 90 2002 81 -1 73  
MINIMUM 52 503 AM 40 1976 58 -6 64  
AVERAGE 66 69 -3 69  
 
PRECIPITATION (IN)  
YESTERDAY T 1.42 1963 0.14 -0.14 0.18  
MONTH TO DATE 2.07 0.70 1.37 0.18  
SINCE JUN 1 2.07 0.70 1.37 0.18  
SINCE JAN 1 22.72 17.52 5.20 19.27  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 11.9 22.0 -10.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 7 -6 0  
SINCE JUN 1 1 7 -6 0  
SINCE JUL 1 4562 4709 -147 3852  
 
COOLING  
YESTERDAY 1 6 -5 4  
MONTH TO DATE 29 26 3 19  
SINCE JUN 1 29 26 3 19  
SINCE JAN 1 221 118 103 156    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 7.8  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 39 300 PM  
AVERAGE 70  
   
......................................................
 
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 92 2005  
MINIMUM TEMPERATURE (F) 58 39 1976  
 
 
SUNRISE AND SUNSET  
JUNE 6 2018..........SUNRISE 545 AM EDT SUNSET 833 PM EDT  
JUNE 7 2018..........SUNRISE 544 AM EDT SUNSET 833 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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