AFOS product CLIAPC
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CDUS46 KMTR 120832
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
132 AM PDT SAT MAY 12 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 11 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         84R   350 PM  82    2012  72     12       68       
  MINIMUM         45    516 AM  34    2010  45      0       51       
  AVERAGE         65                        58      7       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                       T      
  SINCE OCT 1     15.79                                     36.85    
  SINCE JAN 1     12.76                                     27.90    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         5       
  MONTH TO DATE   54                                        27       
  SINCE MAR 1    756                                       506       
  SINCE JUL 1   2776                                      2389       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                        21       
  SINCE MAR 1      0                                        23       
  SINCE JAN 1      0                                        23       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   N (360)      
  HIGHEST WIND SPEED    26   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    34   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED    10.0                                         

                                                                     
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    93           400 AM                                     
 LOWEST     14           400 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   72        84      2014                    
 MINIMUM TEMPERATURE (F)   45        37      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 12 2018...........SUNRISE   601 AM PDT   SUNSET   811 PM PDT   
MAY 13 2018...........SUNRISE   600 AM PDT   SUNSET   812 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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