AFOS product CLIAPC
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CDUS46 KMTR 130826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT FRI APR 13 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 12 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         60    129 PM  87    2008  68     -8       66       
  MINIMUM         37    541 AM  32    2001  41     -4       55       
  AVERAGE         49                        54     -5       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.17    
  MONTH TO DATE    3.16                                      2.14    
  SINCE OCT 1     15.19                                     35.88    
  SINCE JAN 1     12.16                                     26.93    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       16                                         4       
  MONTH TO DATE  106                                        93       
  SINCE MAR 1    544                                       358       
  SINCE JUL 1   2564                                      2241       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED    10.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           200 AM                                     
 LOWEST     53          1200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        85      2008                    
 MINIMUM TEMPERATURE (F)   41        35      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 13 2018.........SUNRISE   636 AM PDT   SUNSET   744 PM PDT   
APRIL 14 2018.........SUNRISE   635 AM PDT   SUNSET   745 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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