AFOS product CLIAPC
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538 
CDUS46 KMTR 300826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SAT JUN 30 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JUNE 29 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         81    218 PM  99    2013  79      2       77       
  MINIMUM         51    437 AM  47    2001  52     -1       55       
  AVERAGE         66                        66      0       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                         0.26    
  SINCE OCT 1     15.80                                     37.11    
  SINCE JAN 1     12.77                                     28.16    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   58                                        17       
  SINCE JUN 1     58                                        17       
  SINCE JUL 1   2917                                      2478       
                                                                     
 COOLING                                                             
  YESTERDAY        1                                         1       
  MONTH TO DATE   31                                       120       
  SINCE JUN 1     31                                       120       
  SINCE JAN 1     36                                       154       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED     6.5                                         

                                                                     
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    86           200 AM                                     
 LOWEST     42           100 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        94      2002                    
 MINIMUM TEMPERATURE (F)   52        47      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE 30 2018..........SUNRISE   549 AM PDT   SUNSET   836 PM PDT   
JULY  1 2018..........SUNRISE   550 AM PDT   SUNSET   836 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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