AFOS product CLIAPC
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526 
CDUS46 KMTR 160826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST SAT FEB 16 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 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         71R   338 PM  68    2007  60     11       61       
  MINIMUM         36    713 AM  29    2006  39     -3       33       
  AVERAGE         54                        49      5       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.01    
  MONTH TO DATE    0.03                                      0.86    
  SINCE JUL 1      8.16                                      8.44    
  SINCE JAN 1      0.37                                      4.86    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                                        18       
  MONTH TO DATE  257                                       228       
  SINCE DEC 1   1417                                      1379       
  SINCE JUL 1   1989                                      2049       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (90)       
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     N (340)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     N (340)      
  AVERAGE WIND SPEED     4.4                                         

                                                                     
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    86          1200 AM                                     
 LOWEST     33           100 PM                                     
 AVERAGE    60                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        77      2007                    
 MINIMUM TEMPERATURE (F)   39        27      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 16 2013......SUNRISE   658 AM PST   SUNSET   549 PM PST   
FEBRUARY 17 2013......SUNRISE   657 AM PST   SUNSET   550 PM PST   

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




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