AFOS product CLIAPC
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994 
CDUS46 KMTR 300845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT SUN AUG 30 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 29 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         81    335 PM  99    2009  81      0       78       
  MINIMUM         62   1159 PM  46    2005  52     10       56       
  AVERAGE         72                        66      6       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.01                                      0.07    
  SINCE OCT 1     16.43                                      9.70    
  SINCE JAN 1      4.04                                      8.34    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                        12       
  SINCE JUN 1     54                                        65       
  SINCE JUL 1      6                                        22       
                                                                     
 COOLING                                                             
  YESTERDAY        7                                         2       
  MONTH TO DATE  112                                        38       
  SINCE JUN 1    255                                       155       
  SINCE JAN 1    256                                       166       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     W (260)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (260)      
  AVERAGE WIND SPEED    11.7                                         

                                                                     
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          1200 AM                                     
 LOWEST     35           400 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        95      2007                    
 MINIMUM TEMPERATURE (F)   52        44      2010                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 30 2015........SUNRISE   637 AM PDT   SUNSET   742 PM PDT   
AUGUST 31 2015........SUNRISE   638 AM PDT   SUNSET   740 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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