AFOS product CLIAPC
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CDUS46 KMTR 220842
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
142 AM PDT MON JUL 22 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 21 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         75    257 PM  94    2012  78     -3       94       
  MINIMUM         54    246 AM  48    2001  53      1       52       
  AVERAGE         65                        65      0       73      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                       T      
  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   14                                        17       
  SINCE JUN 1     44                                        78       
  SINCE JUL 1     14                                        17       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         8       
  MONTH TO DATE   42                                        30       
  SINCE JUN 1    119                                        77       
  SINCE JAN 1    139                                        91       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     9.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           200 AM                                     
 LOWEST     49           400 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78       106      2006                    
 MINIMUM TEMPERATURE (F)   53        48      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 22 2013..........SUNRISE   604 AM PDT   SUNSET   827 PM PDT   
JULY 23 2013..........SUNRISE   604 AM PDT   SUNSET   826 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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