AFOS product CLIAPC
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CDUS46 KMTR 170828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT MON AUG 17 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 16 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM        101R   330 PM  91    2000  80     21       81       
  MINIMUM         56    608 AM  46    2014  52      4       46       
  AVERAGE         79                        66     13       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.01                                      0.07    
  SINCE OCT 1     16.43                                      9.70    
  SINCE JAN 1      4.04                                      8.34    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         1       
  MONTH TO DATE    0                                         9       
  SINCE JUN 1     54                                        62       
  SINCE JUL 1      6                                        19       
                                                                     
 COOLING                                                             
  YESTERDAY       14                                         0       
  MONTH TO DATE   66                                        11       
  SINCE JUN 1    209                                       128       
  SINCE JAN 1    210                                       139       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           600 AM                                     
 LOWEST     13           300 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        86      2007                    
 MINIMUM TEMPERATURE (F)   52        45      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 17 2015........SUNRISE   626 AM PDT   SUNSET   800 PM PDT   
AUGUST 18 2015........SUNRISE   626 AM PDT   SUNSET   759 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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