AFOS product CLIAPC
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CDUS46 KMTR 090827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST WED JAN 9 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 8 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         57    140 PM  65    2012  54      3       65       
  MINIMUM         36    805 AM  28    2007  37     -1       34       
  AVERAGE         47                        46      1       50      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.17                                      0.00    
  SINCE JUL 1      7.96                                      3.58    
  SINCE JAN 1      0.17                                      0.00    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                                        15       
  MONTH TO DATE  173                                       133       
  SINCE DEC 1    713                                       731       
  SINCE JUL 1   1285                                      1401       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (80)       
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     5.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.2                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     66           100 PM                                     
 AVERAGE    83                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        65      2012                    
 MINIMUM TEMPERATURE (F)   37        27      2012                    
                                             2011                    
                                             2001                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY  9 2013.......SUNRISE   726 AM PST   SUNSET   507 PM PST   
JANUARY 10 2013.......SUNRISE   726 AM PST   SUNSET   508 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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