AFOS product CLIAPC
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CDUS46 KMTR 210831
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1230 AM PST THU FEB 21 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 20 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         61        MM  67    2003  61      0       60        
  MINIMUM         25R       MM  28    2006  39    -14       41        
  AVERAGE         43                        50     -7       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.01    
  MONTH TO DATE    0.28                                      0.87    
  SINCE JUL 1      8.41                                      8.45    
  SINCE JAN 1      0.62                                      4.87    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                                        14       
  MONTH TO DATE  352                                       304       
  SINCE DEC 1   1512                                      1455       
  SINCE JUL 1   2084                                      2125       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     5.6                                         

                                                                     
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    92           100 AM                                     
 LOWEST     39           300 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   61        70      2002                    
 MINIMUM TEMPERATURE (F)   39        30      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 21 2013......SUNRISE   651 AM PST   SUNSET   554 PM PST   
FEBRUARY 22 2013......SUNRISE   650 AM PST   SUNSET   556 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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