AFOS product CLIAPC
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CDUS46 KMTR 020845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT TUE APR 2 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 1 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         66    233 PM  85    2000  66      0       61       
  MINIMUM         47   1151 PM  33    1999  40      7       42       
  AVERAGE         57                        53      4       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.27                                      0.00    
  MONTH TO DATE    0.27                                      0.00    
  SINCE JUL 1      9.05                                     15.55    
  SINCE JAN 1      1.26                                     11.97    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY       MM                                                 
  MONTH TO DATE   MM                                                 
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                                        13       
  MONTH TO DATE    8                                        13       
  SINCE MAR 1    368                                       437       
  SINCE JUL 1   2573                                      2701       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HEAVY RAIN                                                         
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           600 AM                                     
 LOWEST     63           200 PM                                     
 AVERAGE    80                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        82      2000                    
 MINIMUM TEMPERATURE (F)   41        35      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL  2 2013.........SUNRISE   652 AM PDT   SUNSET   734 PM PDT   
APRIL  3 2013.........SUNRISE   651 AM PDT   SUNSET   735 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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