AFOS product CLIAPC
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CDUS46 KMTR 290833
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1232 AM PST SUN DEC 29 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 28 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         62    335 PM  64    1999  54      8       47       
  MINIMUM         24R   720 AM  29    1999  36    -12       33       
  AVERAGE         43                        45     -2       40      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.47                                      4.18    
  SINCE JUL 1      2.20                                      7.79    
  SINCE JAN 1      4.17                                     21.56    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       22                                        25       
  MONTH TO DATE  607                                       475       
  SINCE DEC 1    607                                       475       
  SINCE JUL 1   1286                                      1047       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    303                                       204       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   S (180)      
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    13   HIGHEST GUST DIRECTION     W (290)      
  AVERAGE WIND SPEED     3.0                                         

                                                                     
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   100           800 AM                                     
 LOWEST     32           200 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        62      1999                    
 MINIMUM TEMPERATURE (F)   36        27      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 29 2013......SUNRISE   725 AM PST   SUNSET   458 PM PST   
DECEMBER 30 2013......SUNRISE   725 AM PST   SUNSET   458 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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