AFOS product CLIAPC
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CDUS46 KMTR 120829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
129 AM PDT THU APR 12 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 11 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    226 PM  84    2008  68     -7       66       
  MINIMUM         44   1159 PM  33    2009  41      3       52       
  AVERAGE         53                        54     -1       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.14                                      0.05    
  MONTH TO DATE    3.16                                      1.97    
  SINCE OCT 1     15.19                                     35.71    
  SINCE JAN 1     12.16                                     26.76    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                                         6       
  MONTH TO DATE   90                                        89       
  SINCE MAR 1    528                                       354       
  SINCE JUL 1   2548                                      2237       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    38   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED    10.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     55           200 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        87      2008                    
 MINIMUM TEMPERATURE (F)   41        32      2001                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 12 2018.........SUNRISE   638 AM PDT   SUNSET   743 PM PDT   
APRIL 13 2018.........SUNRISE   636 AM PDT   SUNSET   744 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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