AFOS product CLIAPC
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CDUS46 KMTR 310838
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
138 AM PDT THU OCT 31 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 30 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         71    110 PM  82    2018  70      1       82       
  MINIMUM         34R   546 AM  34    2003  41     -7       39       
  AVERAGE         53                        56     -3       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1      0.00                                      0.00    
  SINCE JAN 1     22.66                                     12.77    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                                         4       
  MONTH TO DATE  151                                       120       
  SINCE SEP 1    191                                       190       
  SINCE JUL 1    206                                       231       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   14                                        28       
  SINCE SEP 1     88                                        30       
  SINCE JAN 1    346                                       182       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   E (80)       
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     7.5                                         

                                                                     
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    45          1000 PM                                     
 LOWEST      9          1100 AM                                     
 AVERAGE    27                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        80      2018                    
 MINIMUM TEMPERATURE (F)   41        30      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 31 2019.......SUNRISE   734 AM PDT   SUNSET   611 PM PDT   
NOVEMBER  1 2019......SUNRISE   735 AM PDT   SUNSET   610 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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