353  
CDUS41 KLWX 062131  
CLIIAD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE BALTIMORE MD/WASHINGTON DC  
529 PM EDT SUN JUL 6 2008  
 
...................................  
   
..THE WASHINGTON DULLES CLIMATE SUMMARY FOR JULY 6 2008  
 
VALID TODAY AS OF 0500 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 81 359 PM 102 1977 87 -6 88  
MINIMUM 68 446 AM 45 1979 63 5 66  
AVERAGE 75 75 0 77  
 
PRECIPITATION (IN)  
TODAY T 0.64 1995 0.12 -0.12 T  
MONTH TO DATE 0.20 0.72 -0.52 0.76  
SINCE JUN 1 4.41 4.79 -0.38 3.68  
SINCE JAN 1 26.42 21.60 4.82 14.98  
 
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 1 -1 0  
SINCE JUN 1 0 22 -22 3  
SINCE JUL 1 0 1 -1 0  
 
COOLING  
TODAY 10 10 0 12  
MONTH TO DATE 55 60 -5 48  
SINCE JUN 1 345 263 82 339  
SINCE JAN 1 396 338 58 490    
..............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 9 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 2.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 200 AM  
LOWEST 69 400 PM  
AVERAGE 80  
 
..........................................................  
 
 
THE WASHINGTON DULLES CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 101 1988  
MINIMUM TEMPERATURE (F) 63 47 1970  
 
 
SUNRISE AND SUNSET  
JULY 6 2008..........SUNRISE 551 AM EDT SUNSET 838 PM EDT  
JULY 7 2008..........SUNRISE 551 AM EDT SUNSET 838 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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