AFOS product CLIAPC
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CDUS46 KMTR 230832
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
132 AM PDT MON JUL 23 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 22 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         82    507 PM 106    2006  78      4       89       
  MINIMUM         59    531 AM  44    2016  53      6       56       
  AVERAGE         71                        65      6       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                       T      
  SINCE OCT 1     15.80                                     37.11    
  SINCE JAN 1     12.77                                     28.16    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    9                                         2       
  SINCE JUN 1     67                                        19       
  SINCE JUL 1      9                                         2       
                                                                     
 COOLING                                                             
  YESTERDAY        6                                         8       
  MONTH TO DATE   59                                        92       
  SINCE JUN 1     92                                       215       
  SINCE JAN 1     97                                       249       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    11.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    87           500 AM                                     
 LOWEST     34           500 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78       102      2006                    
 MINIMUM TEMPERATURE (F)   53        48      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 23 2018..........SUNRISE   604 AM PDT   SUNSET   827 PM PDT   
JULY 24 2018..........SUNRISE   605 AM PDT   SUNSET   826 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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