AFOS product CLIAPC
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CDUS46 KMTR 220828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT SUN APR 22 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 21 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         MM        MM  91    2009  69     MM       77        
  MINIMUM         MM        MM  30    2008  42     MM       44        
  AVERAGE         MM                        55     MM       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    3.76                                      3.10    
  SINCE OCT 1     15.79                                     36.84    
  SINCE JAN 1     12.76                                     27.89    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       MM                                         4       
  MONTH TO DATE  208                                       174       
  SINCE MAR 1    646                                       439       
  SINCE JUL 1   2666                                      2322       
                                                                     
 COOLING                                                             
  YESTERDAY       MM                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (220)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    MM   HIGHEST GUST DIRECTION    MM            
  AVERAGE WIND SPEED     5.4                                         

                                                                     
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    MM                                                       
 LOWEST     MM                                                       
 AVERAGE    MM                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        87      2013                    
 MINIMUM TEMPERATURE (F)   42        35      2004                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 22 2018.........SUNRISE   624 AM PDT   SUNSET   752 PM PDT   
APRIL 23 2018.........SUNRISE   622 AM PDT   SUNSET   753 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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