AFOS product CLIAPC
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CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
158 AM PDT WED OCT 12 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 11 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         71    259 PM  89    2004  76     -5       81       
  MINIMUM         52   1114 PM  38    2003  44      8       MM       
  AVERAGE         62                        60      2       MM      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.11                                      0.20    
  SINCE OCT 1      0.11                                      0.20    
  SINCE JAN 1     14.78                                      4.30    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                                        MM       
  MONTH TO DATE   49                                        12       
  SINCE SEP 1     91                                        57       
  SINCE JUL 1    148                                        63       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                        MM       
  MONTH TO DATE    5                                        12       
  SINCE SEP 1     67                                        95       
  SINCE JAN 1    186                                       358       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     9.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    83          1200 AM                                     
 LOWEST     47           100 PM                                     
 AVERAGE    65                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        95      2014                    
                                             2001                    
 MINIMUM TEMPERATURE (F)   44        38      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 12 2016.......SUNRISE   716 AM PDT   SUNSET   635 PM PDT   
OCTOBER 13 2016.......SUNRISE   717 AM PDT   SUNSET   633 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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