AFOS product CLIAPC
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CDUS46 KMTR 310826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT MON OCT 31 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 30 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         68    152 PM  80    2015  70     -2       80       
  MINIMUM         50    201 AM  34    2003  41      9       45       
  AVERAGE         59                        56      3       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.38                                      0.00    
  MONTH TO DATE    3.50                                      0.20    
  SINCE OCT 1      3.50                                      0.20    
  SINCE JAN 1     18.17                                      4.30    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                                         2       
  MONTH TO DATE  124                                        48       
  SINCE SEP 1    166                                        93       
  SINCE JUL 1    223                                        99       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    5                                        32       
  SINCE SEP 1     67                                       115       
  SINCE JAN 1    186                                       378       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    32   HIGHEST GUST DIRECTION    SW (240)      
  AVERAGE WIND SPEED     9.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     73           100 PM                                     
 AVERAGE    83                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        79      2015                    
                                             2011                    
 MINIMUM TEMPERATURE (F)   41        30      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 31 2016.......SUNRISE   735 AM PDT   SUNSET   610 PM PDT   
NOVEMBER  1 2016......SUNRISE   736 AM PDT   SUNSET   609 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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