AFOS product CLIAPC
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CDUS46 KMTR 160826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SAT MAR 16 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 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         70    312 PM  85    2004  64      6       61       
  MINIMUM         40    319 AM  30    2002  40      0       54       
  AVERAGE         55                        52      3       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.15    
  MONTH TO DATE    0.10                                      2.42    
  SINCE JUL 1      8.51                                     11.28    
  SINCE JAN 1      0.72                                      7.70    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                         7       
  MONTH TO DATE  190                                       206       
  SINCE MAR 1    190                                       206       
  SINCE JUL 1   2395                                      2470       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   S (180)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     4.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     65          1200 PM                                     
 AVERAGE    83                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        85      2004                    
 MINIMUM TEMPERATURE (F)   40        31      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 16 2013.........SUNRISE   718 AM PDT   SUNSET   718 PM PDT   
MARCH 17 2013.........SUNRISE   717 AM PDT   SUNSET   719 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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