AFOS product CLIAPC
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CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT TUE AUG 23 2016


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 22 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         80    242 PM  97    1999  80      0       76       
  MINIMUM         54    553 AM  45    2006  52      2       58       
  AVERAGE         67                        66      1       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.01    
  SINCE OCT 1     18.86                                     16.43    
  SINCE JAN 1     14.67                                      4.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   17                                         0       
  SINCE JUN 1     80                                        54       
  SINCE JUL 1     54                                         6       
                                                                     
 COOLING                                                             
  YESTERDAY        2                                         2       
  MONTH TO DATE   15                                        76       
  SINCE JUN 1    100                                       219       
  SINCE JAN 1    111                                       220       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  11   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    12.4                                         

                                                                     
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    93          1200 AM                                     
 LOWEST     42           300 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        96      2010                    
 MINIMUM TEMPERATURE (F)   52        45      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 23 2016........SUNRISE   631 AM PDT   SUNSET   751 PM PDT   
AUGUST 24 2016........SUNRISE   632 AM PDT   SUNSET   750 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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