AFOS product CLIAPC
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CDUS46 KMTR 050845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST MON FEB 5 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 4 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         75R   347 PM  69    2001  58     17       62       
  MINIMUM         40    643 AM  27    2014  38      2       47       
  AVERAGE         58                        48     10       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.17    
  MONTH TO DATE    0.00                                      1.56    
  SINCE OCT 1      6.63                                     22.62    
  SINCE JAN 1      3.60                                     13.67    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                                        10       
  MONTH TO DATE   36                                        42       
  SINCE DEC 1   1066                                      1093       
  SINCE JUL 1   1594                                      1597       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION   E (80)       
  HIGHEST WIND SPEED     9   HIGHEST WIND DIRECTION    SE (140)      
  HIGHEST GUST SPEED    12   HIGHEST GUST DIRECTION     E (100)      
  AVERAGE WIND SPEED     2.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           200 AM                                     
 LOWEST     46           400 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   58        81      2011                    
 MINIMUM TEMPERATURE (F)   38        30      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  5 2018......SUNRISE   710 AM PST   SUNSET   537 PM PST   
FEBRUARY  6 2018......SUNRISE   709 AM PST   SUNSET   538 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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