AFOS product CLIAPC
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CDUS46 KMTR 260834
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
134 AM PDT THU APR 26 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 25 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         67    234 PM  87    2004  69     -2       70       
  MINIMUM         43    525 AM  32    2009  43      0       51       
  AVERAGE         55                        56     -1       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    3.76                                      3.10    
  SINCE OCT 1     15.79                                     36.84    
  SINCE JAN 1     12.76                                     27.89    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                         4       
  MONTH TO DATE  225                                       198       
  SINCE MAR 1    663                                       463       
  SINCE JUL 1   2683                                      2346       
                                                                     
 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   W (250)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     9.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           700 AM                                     
 LOWEST     63           100 PM                                     
 AVERAGE    82                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        91      2004                    
 MINIMUM TEMPERATURE (F)   43        32      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 26 2018.........SUNRISE   619 AM PDT   SUNSET   756 PM PDT   
APRIL 27 2018.........SUNRISE   617 AM PDT   SUNSET   757 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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