AFOS product CLIAPC
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CDUS46 KMTR 180827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT WED MAY 18 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 17 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         91    347 PM  95    2009  73     18       68       
  MINIMUM         46    403 AM  41    1999  46      0       49       
  AVERAGE         69                        59     10       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.23                                       T      
  SINCE OCT 1     18.84                                     16.26    
  SINCE JAN 1     14.65                                      3.87    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         6       
  MONTH TO DATE   88                                       140       
  SINCE MAR 1    641                                       729       
  SINCE JUL 1   2532                                      2457       
                                                                     
 COOLING                                                             
  YESTERDAY        4                                         0       
  MONTH TO DATE    4                                         0       
  SINCE MAR 1      4                                         1       
  SINCE JAN 1      4                                         1       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   N (340)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     N (10)       
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     7.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     21           200 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        81      2001                    
 MINIMUM TEMPERATURE (F)   46        39      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 18 2016...........SUNRISE   555 AM PDT   SUNSET   816 PM PDT   
MAY 19 2016...........SUNRISE   555 AM PDT   SUNSET   817 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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