AFOS product CLIAPC
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CDUS46 KMTR 060827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT TUE AUG 6 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 5 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         78    315 PM  86    2005  78      0       82       
  MINIMUM         58    426 AM  46    2002  52      6       56       
  AVERAGE         68                        65      3       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1     25.85                                     15.80    
  SINCE JAN 1     22.65                                     12.77    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         3       
  SINCE JUN 1     48                                        78       
  SINCE JUL 1      9                                        20       
                                                                     
 COOLING                                                             
  YESTERDAY        3                                         4       
  MONTH TO DATE   16                                        10       
  SINCE JUN 1    143                                       116       
  SINCE JAN 1    149                                       121       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     8.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     58           300 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        86      2018                    
                                             2004                    
 MINIMUM TEMPERATURE (F)   52        44      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST  6 2019........SUNRISE   616 AM PDT   SUNSET   814 PM PDT   
AUGUST  7 2019........SUNRISE   617 AM PDT   SUNSET   812 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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