AFOS product CLIAPC
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CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT WED JUL 24 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 23 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         77    318 PM 102    2006  78     -1       84       
  MINIMUM         51    537 AM  48    2000  53     -2       57       
  AVERAGE         64                        65     -1       71      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                         0.00    
  SINCE OCT 1     25.85                                     15.80    
  SINCE JAN 1     22.65                                     12.77    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        1                                         0       
  MONTH TO DATE    8                                         9       
  SINCE JUN 1     47                                        67       
  SINCE JUL 1      8                                         9       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         6       
  MONTH TO DATE   44                                        65       
  SINCE JUN 1    112                                        98       
  SINCE JAN 1    118                                       103       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     8.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     54           400 PM                                     
 AVERAGE    77                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        93      2006                    
 MINIMUM TEMPERATURE (F)   53        45      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 24 2019..........SUNRISE   605 AM PDT   SUNSET   826 PM PDT   
JULY 25 2019..........SUNRISE   606 AM PDT   SUNSET   825 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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