AFOS product CLIAPC
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090 
CDUS46 KMTR 250843
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
143 AM PDT SUN MAR 25 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 24 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         57    201 PM  74    2014  65     -8       60       
  MINIMUM         37   1153 PM  32    2009  40     -3       52       
  AVERAGE         47                        53     -6       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.04                                      0.48    
  MONTH TO DATE    5.17                                      3.64    
  SINCE OCT 1     12.01                                     33.63    
  SINCE JAN 1      8.98                                     24.68    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                                         9       
  MONTH TO DATE  374                                       218       
  SINCE MAR 1    374                                       218       
  SINCE JUL 1   2394                                      2101       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     7.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.7                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     47           100 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        73      2015                    
 MINIMUM TEMPERATURE (F)   40        33      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 25 2018.........SUNRISE   705 AM PDT   SUNSET   726 PM PDT   
MARCH 26 2018.........SUNRISE   703 AM PDT   SUNSET   727 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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