AFOS product CLIAPC
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CDUS46 KMTR 140826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT THU MAY 14 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 13 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         68    200 PM  89    2014  72     -4       89       
  MINIMUM         43    249 AM  37    1999  45     -2       45       
  AVERAGE         56                        58     -2       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                          T      
  SINCE OCT 1     16.26                                      9.63    
  SINCE JAN 1      3.87                                      8.27    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                                         0       
  MONTH TO DATE  109                                        74       
  SINCE MAR 1    698                                       628       
  SINCE JUL 1   2426                                      2835       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         2       
  MONTH TO DATE    0                                         3       
  SINCE MAR 1      1                                         4       
  SINCE JAN 1      1                                         4       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    10.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           300 AM                                     
 LOWEST     43          1100 AM                                     
 AVERAGE    66                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        95      2008                    
 MINIMUM TEMPERATURE (F)   45        40      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 14 2015...........SUNRISE   559 AM PDT   SUNSET   812 PM PDT   
MAY 15 2015...........SUNRISE   558 AM PDT   SUNSET   813 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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