AFOS product CLIAPC
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CDUS46 KMTR 120845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT MON MAY 12 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 11 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         79    129 PM  82    2012  72      7       81       
  MINIMUM         42    252 AM  34    2010  45     -3       49       
  AVERAGE         61                        58      3       65      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                         0.05    
  SINCE JUL 1     10.34                                      9.54    
  SINCE JAN 1      8.14                                      1.75    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                                         0       
  MONTH TO DATE   71                                        27       
  SINCE MAR 1    609                                       566       
  SINCE JUL 1   2816                                      2771       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    1                                         9       
  SINCE MAR 1      2                                        12       
  SINCE JAN 1      2                                        12       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  NW (320)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    10.6                                         

                                                                     
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    93          1200 AM                                     
 LOWEST     19           100 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        82      2013                    
 MINIMUM TEMPERATURE (F)   45        37      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 12 2014...........SUNRISE   601 AM PDT   SUNSET   811 PM PDT   
MAY 13 2014...........SUNRISE   600 AM PDT   SUNSET   812 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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