AFOS product CLIAPC
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CDUS46 KMTR 020827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT SAT MAY 2 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 1 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         74    211 PM  89    2013  70      4       85       
  MINIMUM         45    506 AM  34    2011  43      2       46       
                                      2008                          
  AVERAGE         60                        57      3       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1     16.26                                      9.63    
  SINCE JAN 1      3.87                                      8.27    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                                         0       
  MONTH TO DATE    5                                         0       
  SINCE MAR 1    582                                       554       
  SINCE JUL 1   2310                                      2761       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         1       
  MONTH TO DATE    0                                         1       
  SINCE MAR 1      1                                         2       
  SINCE JAN 1      1                                         2       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    23   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     8.3                                         

                                                                     
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     49          1100 AM                                     
 AVERAGE    71                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        90      2013                    
 MINIMUM TEMPERATURE (F)   44        37      2012                    
                                             2002                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  2 2015...........SUNRISE   612 AM PDT   SUNSET   801 PM PDT   
MAY  3 2015...........SUNRISE   610 AM PDT   SUNSET   802 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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