AFOS product CLIAPC
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531 
CDUS46 KMTR 140832
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
132 AM PDT MON SEP 14 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 13 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         86    103 PM 100    2003  80      6       83       
  MINIMUM         60   1159 PM  46    2002  50     10       51       
  AVERAGE         73                        65      8       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        T                                         0.00    
  MONTH TO DATE    T                                         0.00    
  SINCE OCT 1     16.43                                      9.70    
  SINCE JAN 1      4.04                                      8.34    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    6                                         6       
  SINCE SEP 1      6                                         6       
  SINCE JUL 1     12                                        28       
                                                                     
 COOLING                                                             
  YESTERDAY        8                                         2       
  MONTH TO DATE   52                                        29       
  SINCE SEP 1     52                                        29       
  SINCE JAN 1    315                                       202       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     9.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  LIGHT RAIN                                                         

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           700 AM                                     
 LOWEST     40           100 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        89      2004                    
 MINIMUM TEMPERATURE (F)   50        46      2001                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 14 2015.....SUNRISE   650 AM PDT   SUNSET   719 PM PDT   
SEPTEMBER 15 2015.....SUNRISE   651 AM PDT   SUNSET   717 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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