094  
CDUS41 KLWX 292128  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
526 PM EDT FRI AUG 29 2008  
 
...................................  
   
..THE WASHINGTON DULLES DC CLIMATE SUMMARY FOR AUGUST 29 2008  
 
VALID TODAY AS OF 500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1971 TO 2000  
CLIMATE RECORD PERIOD 1962 TO 2008  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 72 359 PM 98 1991 84 -12 86  
MINIMUM 66 500 AM 38 1982 61 5 69  
AVERAGE 69 72 -3 78  
 
PRECIPITATION (IN)  
TODAY 0.68 1.17 1963 0.13 0.55 0.00  
MONTH TO DATE 2.48 3.52 -1.04 1.67  
SINCE JUN 1 8.87 11.16 -2.29 6.34  
SINCE JAN 1 30.88 27.97 2.91 17.64  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 22 -22 3  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 4 8 -4 13  
MONTH TO DATE 256 287 -31 406  
SINCE JUN 1 921 835 86 1086  
SINCE JAN 1 972 910 62 1237    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 AM  
LOWEST 78 1200 AM  
AVERAGE 89  
 
..........................................................  
 
 
THE WASHINGTON DULLES DC CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 99 1991  
MINIMUM TEMPERATURE (F) 61 41 1986  
 
 
SUNRISE AND SUNSET  
AUGUST 29 2008........SUNRISE 636 AM EDT SUNSET 744 PM EDT  
AUGUST 30 2008........SUNRISE 637 AM EDT SUNSET 743 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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