895 
CDUS46 KMTR 170827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SAT AUG 17 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 16 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         86    437 PM  91    2000  80      6       79       
  MINIMUM         61   1150 PM  48    2010  52      9       53       
                                      2000                          
  AVERAGE         74                        66      8       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE JUL 1      0.00                                       T      
  SINCE JAN 1      1.97                                     13.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   16                                         4       
  SINCE JUN 1     66                                        91       
  SINCE JUL 1     36                                        30       
                                                                     
 COOLING                                                             
  YESTERDAY        9                                         1       
  MONTH TO DATE   23                                        32       
  SINCE JUN 1    151                                       123       
  SINCE JAN 1    171                                       137       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    SW (230)      
  AVERAGE WIND SPEED     9.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     40           500 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        86      2007                    
 MINIMUM TEMPERATURE (F)   52        45      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 17 2013........SUNRISE   626 AM PDT   SUNSET   800 PM PDT   
AUGUST 18 2013........SUNRISE   627 AM PDT   SUNSET   758 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$