AFOS product CLIAPC
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034 
CDUS46 KMTR 080834
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
134 AM PDT SUN APR 8 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 7 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         66   1234 PM  79    2014  67     -1       63       
  MINIMUM         52   1156 PM  29    2008  41     11       49       
  AVERAGE         59                        54      5       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.41                                      0.78    
  MONTH TO DATE    3.02                                      1.85    
  SINCE OCT 1     15.05                                     35.59    
  SINCE JAN 1     12.02                                     26.64    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                                         9       
  MONTH TO DATE   54                                        42       
  SINCE MAR 1    492                                       307       
  SINCE JUL 1   2512                                      2190       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    13.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     60           400 PM                                     
 AVERAGE    80                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        81      2014                    
 MINIMUM TEMPERATURE (F)   41        29      2001                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL  8 2018.........SUNRISE   643 AM PDT   SUNSET   739 PM PDT   
APRIL  9 2018.........SUNRISE   642 AM PDT   SUNSET   740 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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