AFOS product CLIAPC
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063 
CDUS46 KMTR 170845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT SAT MAY 17 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 16 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         76    311 PM  95    2009  72      4       75       
  MINIMUM         44    531 AM  37    1999  46     -2       51       
  AVERAGE         60                        59      1       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                       T      
  MONTH TO DATE    T                                         0.05    
  SINCE JUL 1     10.34                                      9.54    
  SINCE JAN 1      8.14                                      1.75    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                                         2       
  MONTH TO DATE   79                                        38       
  SINCE MAR 1    617                                       577       
  SINCE JUL 1   2824                                      2782       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    9                                         9       
  SINCE MAR 1     10                                        12       
  SINCE JAN 1     10                                        12       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED     8.0                                         

                                                                     
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           400 AM                                     
 LOWEST     41           500 PM                                     
 AVERAGE    67                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        95      2009                    
 MINIMUM TEMPERATURE (F)   46        41      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 17 2014...........SUNRISE   557 AM PDT   SUNSET   815 PM PDT   
MAY 18 2014...........SUNRISE   556 AM PDT   SUNSET   816 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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