AFOS product CLIAPC
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654 
CDUS46 KMTR 110837
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1237 AM PST SUN MAR 11 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 10 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         59    545 PM  85    2004  63     -4       71       
  MINIMUM         38   1131 PM  27    2009  40     -2       50       
  AVERAGE         49                        52     -3       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.01                                      0.00    
  MONTH TO DATE    2.01                                      1.14    
  SINCE OCT 1      8.85                                     31.13    
  SINCE JAN 1      5.82                                     22.18    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       16                                         4       
  MONTH TO DATE  162                                       125       
  SINCE MAR 1    162                                       125       
  SINCE JUL 1   2182                                      2008       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION   S (190)      
  HIGHEST WIND SPEED     7   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED     9   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     2.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           800 AM                                     
 LOWEST     72           500 PM                                     
 AVERAGE    86                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        82      2005                    
 MINIMUM TEMPERATURE (F)   40        31      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 11 2018.........SUNRISE   726 AM PDT   SUNSET   713 PM PDT   
MARCH 12 2018.........SUNRISE   725 AM PDT   SUNSET   714 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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