AFOS product CLIAPC
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912 
CDUS46 KMTR 160826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT WED OCT 16 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 15 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         84    336 PM  88    2001  75      9       81       
  MINIMUM         37R   643 AM  38    2003  43     -6       50       
  AVERAGE         61                        59      2       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.02    
  SINCE JUL 1      0.84                                      0.02    
  SINCE JAN 1      2.81                                     13.79    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                                         0       
  MONTH TO DATE   91                                        62       
  SINCE SEP 1    119                                       142       
  SINCE JUL 1    155                                       197       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         1       
  MONTH TO DATE    4                                        23       
  SINCE SEP 1     66                                        38       
  SINCE JAN 1    303                                       191       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     N (350)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     N (20)       
  AVERAGE WIND SPEED     3.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85           200 AM                                     
 LOWEST     10           400 PM                                     
 AVERAGE    48                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        88      1999                    
 MINIMUM TEMPERATURE (F)   43        42      2010                    
                                             2000                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER 16 2013.......SUNRISE   719 AM PDT   SUNSET   629 PM PDT   
OCTOBER 17 2013.......SUNRISE   720 AM PDT   SUNSET   628 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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