AFOS product CLIAPC
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CDUS46 KMTR 290826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT FRI MAR 29 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 28 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         68    424 PM  76    2004  66      2       64       
  MINIMUM         49   1159 PM  32    1999  40      9       51       
  AVERAGE         59                        53      6       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.12    
  MONTH TO DATE    0.15                                      5.96    
  SINCE JUL 1      8.56                                     14.82    
  SINCE JAN 1      0.77                                     11.24    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        6                                         7       
  MONTH TO DATE  345                                       395       
  SINCE MAR 1    345                                       395       
  SINCE JUL 1   2550                                      2659       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   W (280)      
  HIGHEST WIND SPEED    10   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     3.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           100 AM                                     
 LOWEST     55           400 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        76      2004                    
 MINIMUM TEMPERATURE (F)   40        30      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 29 2013.........SUNRISE   658 AM PDT   SUNSET   730 PM PDT   
MARCH 30 2013.........SUNRISE   657 AM PDT   SUNSET   731 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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