AFOS product CLIAPC
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141 
CDUS46 KMTR 140826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SAT APR 14 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 13 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         71    225 PM  85    2008  68      3       62       
  MINIMUM         38    606 AM  35    2007  41     -3       45       
  AVERAGE         55                        54      1       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.09    
  MONTH TO DATE    3.16                                      2.23    
  SINCE OCT 1     15.19                                     35.97    
  SINCE JAN 1     12.16                                     27.02    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                        11       
  MONTH TO DATE  116                                       104       
  SINCE MAR 1    554                                       369       
  SINCE JUL 1   2574                                      2252       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     5.1                                         

                                                                     
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    92           500 AM                                     
 LOWEST     40           200 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        79      1999                    
 MINIMUM TEMPERATURE (F)   41        30      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 14 2018.........SUNRISE   635 AM PDT   SUNSET   745 PM PDT   
APRIL 15 2018.........SUNRISE   633 AM PDT   SUNSET   746 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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