AFOS product CLIAPC
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CDUS46 KMTR 100827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST THU JAN 10 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 9 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         62   1149 AM  65    2012  54      8       62       
  MINIMUM         47   1138 PM  27    2012  37     10       46       
                                      2011                          
                                      2001                          
  AVERAGE         55                        46      9       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.37                                      0.16    
  MONTH TO DATE    2.97                                      2.55    
  SINCE OCT 1      6.17                                      5.58    
  SINCE JAN 1      2.97                                      2.55    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                        11       
  MONTH TO DATE  153                                       118       
  SINCE DEC 1    639                                       666       
  SINCE JUL 1   1206                                      1194       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   S (170)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (170)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     7.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.8                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           200 AM                                     
 LOWEST     72          1200 AM                                     
 AVERAGE    86                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        63      2012                    
 MINIMUM TEMPERATURE (F)   37        28      2011                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 10 2019.......SUNRISE   726 AM PST   SUNSET   508 PM PST   
JANUARY 11 2019.......SUNRISE   726 AM PST   SUNSET   509 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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