AFOS product CLIAPC
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CDUS46 KMTR 150828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT SUN APR 15 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 14 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         73    300 PM  79    1999  68      5       66       
  MINIMUM         42    553 AM  30    2009  41      1       36       
  AVERAGE         58                        55      3       51      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    3.16                                      2.23    
  SINCE OCT 1     15.19                                     35.97    
  SINCE JAN 1     12.16                                     27.02    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                                        14       
  MONTH TO DATE  123                                       118       
  SINCE MAR 1    561                                       383       
  SINCE JUL 1   2581                                      2266       
                                                                     
 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 (230)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     3.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     36           600 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        82      1999                    
 MINIMUM TEMPERATURE (F)   41        30      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 15 2018.........SUNRISE   633 AM PDT   SUNSET   746 PM PDT   
APRIL 16 2018.........SUNRISE   632 AM PDT   SUNSET   746 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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