AFOS product CLIAPC
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CDUS46 KMTR 160827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST FRI NOV 16 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR NOVEMBER 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         64    304 PM  84    2010  64      0       61       
                                      2005                          
  MINIMUM         31    647 AM  28    2009  39     -8       49       
  AVERAGE         48                        51     -3       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                     MM       
  MONTH TO DATE    0.00                                      0.87    
  SINCE OCT 1      0.00                                      1.06    
  SINCE JAN 1     12.77                                     29.24    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                                        10       
  MONTH TO DATE  150                                       160       
  SINCE SEP 1    343                                       342       
  SINCE JUL 1    384                                       352       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE SEP 1     30                                       148       
  SINCE JAN 1    182                                       530       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   E (80)       
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     E (110)      
  AVERAGE WIND SPEED     5.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    75           800 AM                                     
 LOWEST     27          1100 AM                                     
 AVERAGE    51                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        77      2008                    
 MINIMUM TEMPERATURE (F)   39        31      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
NOVEMBER 16 2018......SUNRISE   651 AM PST   SUNSET   456 PM PST   
NOVEMBER 17 2018......SUNRISE   653 AM PST   SUNSET   455 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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