AFOS product CLIAPC
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CDUS46 KMTR 100827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT WED OCT 10 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 9 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         74   1219 PM  89    2015  76     -2       83       
  MINIMUM         51    649 AM  37    2008  44      7       49       
  AVERAGE         63                        60      3       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1      0.00                                      0.00    
  SINCE JAN 1     12.77                                     28.18    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                                         0       
  MONTH TO DATE    9                                        25       
  SINCE SEP 1     79                                        62       
  SINCE JUL 1    120                                        72       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         1       
  MONTH TO DATE   28                                         1       
  SINCE SEP 1     30                                       133       
  SINCE JAN 1    182                                       515       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    24   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    28   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     8.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     57          1200 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        92      1999                    
 MINIMUM TEMPERATURE (F)   44        39      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 10 2018.......SUNRISE   713 AM PDT   SUNSET   638 PM PDT   
OCTOBER 11 2018.......SUNRISE   714 AM PDT   SUNSET   637 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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