AFOS product CLIAPC
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CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
139 AM PDT SUN OCT 16 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 15 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    255 PM  88    2001  75     -6       77       
  MINIMUM         53   1030 PM  37    2013  43     10       54       
  AVERAGE         61                        59      2       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.31                                       T      
  MONTH TO DATE    0.95                                      0.20    
  SINCE OCT 1      0.95                                      0.20    
  SINCE JAN 1     15.62                                      4.30    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                                         0       
  MONTH TO DATE   71                                        12       
  SINCE SEP 1    113                                        57       
  SINCE JUL 1    170                                        63       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         1       
  MONTH TO DATE    5                                        30       
  SINCE SEP 1     67                                       113       
  SINCE JAN 1    186                                       376       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    30   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     8.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     66           300 PM                                     
 AVERAGE    80                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        88      1999                    
 MINIMUM TEMPERATURE (F)   43        38      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 16 2016.......SUNRISE   719 AM PDT   SUNSET   629 PM PDT   
OCTOBER 17 2016.......SUNRISE   720 AM PDT   SUNSET   628 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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