AFOS product CLIAPC
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CDUS46 KMTR 190826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST SAT JAN 19 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 18 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         64    207 PM  70    2009  55      9       56       
  MINIMUM         28    611 AM  24    2001  37     -9       26       
  AVERAGE         46                        46      0       41      
                                                                     
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       19                                        24       
  MONTH TO DATE  409                                       346       
  SINCE DEC 1    949                                       944       
  SINCE JUL 1   1521                                      1614       
                                                                     
 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 (90)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     5.0                                         

                                                                     
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    92           300 AM                                     
 LOWEST     36           200 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   55        69      2009                    
 MINIMUM TEMPERATURE (F)   37        24      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 19 2013.......SUNRISE   723 AM PST   SUNSET   518 PM PST   
JANUARY 20 2013.......SUNRISE   722 AM PST   SUNSET   519 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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