AFOS product CLIAPC
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CDUS46 KMTR 070832
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
132 AM PDT TUE MAY 7 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 6 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         71   1141 AM  90    2007  71      0       86       
  MINIMUM         49    439 AM  38    2003  44      5       51       
  AVERAGE         60                        57      3       69      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.05                                      0.00    
  MONTH TO DATE    0.05                                      0.01    
  SINCE JUL 1      9.54                                     17.28    
  SINCE JAN 1      1.75                                     13.70    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                                         0       
  MONTH TO DATE   10                                        46       
  SINCE MAR 1    549                                       729       
  SINCE JUL 1   2754                                      2993       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         4       
  MONTH TO DATE    9                                         4       
  SINCE MAR 1     12                                        11       
  SINCE JAN 1     12                                        11       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NW (310)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION    NW (320)      
  AVERAGE WIND SPEED     4.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           400 AM                                     
 LOWEST     47          1000 AM                                     
 AVERAGE    68                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        93      2007                    
 MINIMUM TEMPERATURE (F)   44        37      2010                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  7 2013...........SUNRISE   606 AM PDT   SUNSET   806 PM PDT   
MAY  8 2013...........SUNRISE   605 AM PDT   SUNSET   807 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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