AFOS product CLIAPC
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CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT FRI MAY 27 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 26 2016...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2016


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         71    232 PM  84    2014  75     -4       69       
  MINIMUM         50    154 AM  40    2011  47      3       51       
                                      1998                          
  AVERAGE         61                        61      0       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.25                                       T      
  SINCE OCT 1     18.86                                     16.26    
  SINCE JAN 1     14.67                                      3.87    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        4                                         5       
  MONTH TO DATE  137                                       191       
  SINCE MAR 1    690                                       780       
  SINCE JUL 1   2581                                      2508       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    5                                         0       
  SINCE MAR 1      5                                         1       
  SINCE JAN 1      5                                         1       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    10.8                                         

                                                                     
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    93           200 AM                                     
 LOWEST     57           300 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   75        87      2003                    
 MINIMUM TEMPERATURE (F)   47        42      2012                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 27 2016...........SUNRISE   550 AM PDT   SUNSET   824 PM PDT   
MAY 28 2016...........SUNRISE   549 AM PDT   SUNSET   824 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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