AFOS product CLIAPC
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CDUS46 KMTR 080845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT TUE OCT 8 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR OCTOBER 7 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         81    226 PM  91    2002  76      5       74       
  MINIMUM         42    626 AM  37    2009  45     -3       43       
  AVERAGE         62                        60      2       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE JUL 1      0.84                                       T      
  SINCE JAN 1      2.81                                     13.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                                         6       
  MONTH TO DATE   23                                        14       
  SINCE SEP 1     51                                        94       
  SINCE JUL 1     87                                       149       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    4                                        22       
  SINCE SEP 1     66                                        37       
  SINCE JAN 1    303                                       190       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     4.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    80          1100 PM                                     
 LOWEST     20           200 PM                                     
 AVERAGE    50                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        90      1999                    
 MINIMUM TEMPERATURE (F)   44        40      2010                    

                                                                     
SUNRISE AND SUNSET                                                   
OCTOBER  8 2013.......SUNRISE   712 AM PDT   SUNSET   641 PM PDT   
OCTOBER  9 2013.......SUNRISE   712 AM PDT   SUNSET   639 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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