AFOS product CLIAPC
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CDUS46 KMTR 080827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT WED MAY 8 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 7 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         67    203 PM  93    2007  71     -4       78       
  MINIMUM         53    556 AM  37    2010  44      9       42       
  AVERAGE         60                        58      2       60      
                                                                     
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        5                                         5       
  MONTH TO DATE   57                                        46       
  SINCE MAR 1    646                                       748       
  SINCE JUL 1   2605                                      2768       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      6                                         0       
  SINCE JAN 1      6                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED    10.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1100 PM                                     
 LOWEST     63           200 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        92      2001                    
 MINIMUM TEMPERATURE (F)   44        36      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  8 2019...........SUNRISE   605 AM PDT   SUNSET   807 PM PDT   
MAY  9 2019...........SUNRISE   604 AM PDT   SUNSET   808 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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