AFOS product CLIAPC
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773 
CDUS46 KMTR 260845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT TUE MAR 26 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 25 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         60    239 PM  70    2009  65     -5       58       
  MINIMUM         36    639 AM  33    2005  40     -4       42       
  AVERAGE         48                        53     -5       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.19    
  MONTH TO DATE    0.15                                      4.81    
  SINCE JUL 1      8.56                                     13.67    
  SINCE JAN 1      0.77                                     10.09    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                                        15       
  MONTH TO DATE  316                                       359       
  SINCE MAR 1    316                                       359       
  SINCE JUL 1   2521                                      2623       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    37   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     7.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           700 AM                                     
 LOWEST     57           200 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        72      2009                    
 MINIMUM TEMPERATURE (F)   40        34      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 26 2013.........SUNRISE   703 AM PDT   SUNSET   727 PM PDT   
MARCH 27 2013.........SUNRISE   701 AM PDT   SUNSET   728 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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