AFOS product CLIAPC
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CDUS46 KMTR 180826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SAT JUL 18 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 17 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         78    253 PM  99    2003  78      0       74       
  MINIMUM         58   1159 PM  47    2009  53      5       59       
  AVERAGE         68                        65      3       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.03                                      0.00    
  SINCE OCT 1     16.42                                      9.63    
  SINCE JAN 1      4.03                                      8.27    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    3                                        10       
  SINCE JUN 1     51                                        53       
  SINCE JUL 1      3                                        10       
                                                                     
 COOLING                                                             
  YESTERDAY        3                                         2       
  MONTH TO DATE   48                                        22       
  SINCE JUN 1     92                                        63       
  SINCE JAN 1     93                                        74       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (190)      
  AVERAGE WIND SPEED    10.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     50           200 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        95      1998                    
 MINIMUM TEMPERATURE (F)   53        50      2012                    
                                             2009                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 18 2015..........SUNRISE   600 AM PDT   SUNSET   830 PM PDT   
JULY 19 2015..........SUNRISE   601 AM PDT   SUNSET   830 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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