AFOS product CLIAPC
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CDUS46 KMTR 120825
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT FRI APR 12 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 11 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         72    230 PM  84    2008  68      4       61       
  MINIMUM         45    524 AM  33    2009  41      4       47       
  AVERAGE         59                        54      5       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.09    
  MONTH TO DATE    0.71                                      0.69    
  SINCE JUL 1      9.49                                     16.24    
  SINCE JAN 1      1.70                                     12.66    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                                        11       
  MONTH TO DATE   70                                       149       
  SINCE MAR 1    430                                       573       
  SINCE JUL 1   2635                                      2837       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     7.7                                         

                                                                     
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    93           500 AM                                     
 LOWEST     47           400 PM                                     
 AVERAGE    70                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        87      2008                    
 MINIMUM TEMPERATURE (F)   41        32      2001                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 12 2013.........SUNRISE   637 AM PDT   SUNSET   743 PM PDT   
APRIL 13 2013.........SUNRISE   636 AM PDT   SUNSET   744 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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