AFOS product CLIAPC
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745 
CDUS46 KMTR 160836
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
136 AM PDT SAT JUN 16 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JUNE 15 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         68   1213 PM  93    2004  79    -11       91       
  MINIMUM         54    541 AM  41    2002  50      4       51       
  AVERAGE         61                        64     -3       71      
                                                                     
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        4                                         0       
  MONTH TO DATE   34                                        17       
  SINCE JUN 1     34                                        17       
  SINCE JUL 1   2893                                      2478       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         6       
  MONTH TO DATE   16                                        15       
  SINCE JUN 1     16                                        15       
  SINCE JAN 1     21                                        49       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  15   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION     S (180)      
  AVERAGE WIND SPEED    15.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     58          1200 PM                                     
 AVERAGE    76                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        98      2012                    
 MINIMUM TEMPERATURE (F)   50        38      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE 16 2018..........SUNRISE   545 AM PDT   SUNSET   834 PM PDT   
JUNE 17 2018..........SUNRISE   546 AM PDT   SUNSET   835 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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