AFOS product CLIAPC
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022 
CDUS46 KMTR 190825
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT TUE AUG 19 2014


................................... 

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 18 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         72    230 PM  91    2013  80     -8       91       
  MINIMUM         55    544 AM  46    2007  52      3       59       
  AVERAGE         64                        66     -2       75      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.07                                      0.00    
  SINCE JUL 1      0.07                                      0.00    
  SINCE JAN 1      8.34                                      1.97    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        1                                         0       
  MONTH TO DATE   12                                        16       
  SINCE JUN 1     65                                        66       
  SINCE JUL 1     22                                        36       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                        10       
  MONTH TO DATE   11                                        36       
  SINCE JUN 1    128                                       164       
  SINCE JAN 1    139                                       184       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    10.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     61           200 PM                                     
 AVERAGE    81                                                       

..........................................................

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        84      2013                    
 MINIMUM TEMPERATURE (F)   52        48      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 19 2014........SUNRISE   627 AM PDT   SUNSET   757 PM PDT   
AUGUST 20 2014........SUNRISE   628 AM PDT   SUNSET   756 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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