AFOS product CLIAPC
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CDUS46 KMTR 140826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT FRI AUG 14 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 13 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         82    320 PM  91    2009  79      3       79       
  MINIMUM         58    637 AM  43    2007  52      6       52       
  AVERAGE         70                        66      4       66      
                                                                     
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                                         0       
  MONTH TO DATE    0                                         8       
  SINCE JUN 1     54                                        61       
  SINCE JUL 1      6                                        18       
                                                                     
 COOLING                                                             
  YESTERDAY        5                                         1       
  MONTH TO DATE   38                                         9       
  SINCE JUN 1    181                                       126       
  SINCE JAN 1    182                                       137       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED    10.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     34           300 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        85      2000                    
 MINIMUM TEMPERATURE (F)   52        47      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 14 2015........SUNRISE   623 AM PDT   SUNSET   804 PM PDT   
AUGUST 15 2015........SUNRISE   624 AM PDT   SUNSET   803 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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