AFOS product CLIAPC
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CDUS46 KMTR 040845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT WED APR 4 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 3 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         68    226 PM  76    2017  67      1       76       
                                      2013                          
  MINIMUM         42    602 AM  28    2001  41      1       40       
  AVERAGE         55                        54      1       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1     12.03                                     33.74    
  SINCE JAN 1      9.00                                     24.79    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                         7       
  MONTH TO DATE   23                                        12       
  SINCE MAR 1    461                                       277       
  SINCE JUL 1   2481                                      2160       
                                                                     
 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  SW (210)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    19   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     5.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           500 AM                                     
 LOWEST     52           200 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   67        74      2011                    
 MINIMUM TEMPERATURE (F)   41        32      2015                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL  4 2018.........SUNRISE   649 AM PDT   SUNSET   735 PM PDT   
APRIL  5 2018.........SUNRISE   648 AM PDT   SUNSET   736 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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