AFOS product CLIAPC
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CDUS46 KMTR 060831
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
131 AM PDT MON MAY 6 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 5 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         66    244 PM  82    2011  71     -5       69       
  MINIMUM         47    127 AM  37    2003  44      3       46       
  AVERAGE         57                        57      0       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1     23.07                                     15.79    
  SINCE JAN 1     19.87                                     12.76    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                                         7       
  MONTH TO DATE   43                                        35       
  SINCE MAR 1    632                                       737       
  SINCE JUL 1   2591                                      2757       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      6                                         0       
  SINCE JAN 1      6                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    23   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    29   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    13.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1200 AM                                     
 LOWEST     56           300 PM                                     
 AVERAGE    71                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        90      2007                    
 MINIMUM TEMPERATURE (F)   44        38      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  6 2019...........SUNRISE   607 AM PDT   SUNSET   805 PM PDT   
MAY  7 2019...........SUNRISE   606 AM PDT   SUNSET   806 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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