AFOS product CLIAPC
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CDUS46 KMTR 100845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST SAT MAR 10 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 9 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         65    336 PM  79    2004  63      2       73       
  MINIMUM         38    714 AM  31    2012  40     -2       43       
  AVERAGE         52                        52      0       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    2.00                                      1.14    
  SINCE OCT 1      8.84                                     31.13    
  SINCE JAN 1      5.81                                     22.18    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       13                                         7       
  MONTH TO DATE  146                                       121       
  SINCE MAR 1    146                                       121       
  SINCE JUL 1   2166                                      2004       
                                                                     
 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   S (190)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     4.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           700 AM                                     
 LOWEST     63           400 PM                                     
 AVERAGE    82                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        85      2004                    
 MINIMUM TEMPERATURE (F)   40        27      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 10 2018.........SUNRISE   628 AM PST   SUNSET   612 PM PST   
MARCH 11 2018.........SUNRISE   726 AM PDT   SUNSET   713 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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