AFOS product CLIAPC
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754 
CDUS46 KMTR 060845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT FRI APR 6 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 5 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         61   1228 PM  76    2016  67     -6       71       
  MINIMUM         49    340 AM  31    2003  41      8       46       
  AVERAGE         55                        54      1       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.24                                      0.00    
  MONTH TO DATE    0.24                                      0.00    
  SINCE OCT 1     12.27                                     33.74    
  SINCE JAN 1      9.24                                     24.79    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                         6       
  MONTH TO DATE   42                                        26       
  SINCE MAR 1    480                                       291       
  SINCE JUL 1   2500                                      2174       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     7.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           900 PM                                     
 LOWEST     61           400 AM                                     
 AVERAGE    81                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        86      2016                    
 MINIMUM TEMPERATURE (F)   41        32      2012                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL  6 2018.........SUNRISE   646 AM PDT   SUNSET   737 PM PDT   
APRIL  7 2018.........SUNRISE   645 AM PDT   SUNSET   738 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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