AFOS product CLIAPC
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CDUS46 KMTR 210841
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
141 AM PDT SUN AUG 21 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 20 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         76    156 PM  87    2007  80     -4       74       
  MINIMUM         55    611 AM  46    2000  52      3       58       
  AVERAGE         66                        66      0       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.01    
  SINCE OCT 1     18.86                                     16.43    
  SINCE JAN 1     14.67                                      4.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   17                                         0       
  SINCE JUN 1     80                                        54       
  SINCE JUL 1     54                                         6       
                                                                     
 COOLING                                                             
  YESTERDAY        1                                         1       
  MONTH TO DATE   12                                        74       
  SINCE JUN 1     97                                       217       
  SINCE JAN 1    108                                       218       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    11.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           400 AM                                     
 LOWEST     49           500 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        90      2009                    
 MINIMUM TEMPERATURE (F)   52        47      2001                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 21 2016........SUNRISE   630 AM PDT   SUNSET   754 PM PDT   
AUGUST 22 2016........SUNRISE   631 AM PDT   SUNSET   752 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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