AFOS product CLIAPC
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CDUS46 KMTR 050845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT FRI SEP 5 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 4 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    232 PM 100    2004  81     -5       85       
  MINIMUM         56    153 AM  43    2000  51      5       48       
  AVERAGE         66                        66      0       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE JUL 1      0.07                                      0.00    
  SINCE JAN 1      8.34                                      1.97    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE SEP 1      0                                         0       
  SINCE JUL 1     22                                        36       
                                                                     
 COOLING                                                             
  YESTERDAY        1                                         2       
  MONTH TO DATE   11                                        18       
  SINCE SEP 1     11                                        18       
  SINCE JAN 1    184                                       255       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    10.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     54           200 PM                                     
 AVERAGE    77                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        99      2008                    
 MINIMUM TEMPERATURE (F)   51        44      2010                    
                                             2005                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  5 2014.....SUNRISE   642 AM PDT   SUNSET   733 PM PDT   
SEPTEMBER  6 2014.....SUNRISE   643 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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