AFOS product CLIAPC
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107 
CDUS46 KMTR 170845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST SUN FEB 17 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 16 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         69    330 PM  77    2007  60      9       67       
  MINIMUM         36    731 AM  27    2006  39     -3       38       
  AVERAGE         53                        49      4       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  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       12                                        12       
  MONTH TO DATE  269                                       240       
  SINCE DEC 1   1429                                      1391       
  SINCE JUL 1   2001                                      2061       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     3.7                                         

                                                                     
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    96          1100 PM                                     
 LOWEST     45           200 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        73      2007                    
 MINIMUM TEMPERATURE (F)   39        32      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 17 2013......SUNRISE   657 AM PST   SUNSET   550 PM PST   
FEBRUARY 18 2013......SUNRISE   655 AM PST   SUNSET   551 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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