AFOS product CLIAPC
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CDUS46 KMTR 300830
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
130 AM PDT MON APR 30 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 29 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         67    305 PM  87    2013  70     -3       81       
  MINIMUM         45   1142 PM  32    2009  43      2       52       
  AVERAGE         56                        56      0       67      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    3.76                                      3.11    
  SINCE OCT 1     15.79                                     36.85    
  SINCE JAN 1     12.76                                     27.90    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                                         0       
  MONTH TO DATE  252                                       213       
  SINCE MAR 1    690                                       478       
  SINCE JUL 1   2710                                      2361       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         2       
  MONTH TO DATE    0                                         2       
  SINCE MAR 1      0                                         2       
  SINCE JAN 1      0                                         2       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    10.2                                         

                                                                     
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    93           400 AM                                     
 LOWEST     52           200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        87      2015                    
 MINIMUM TEMPERATURE (F)   43        31      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 30 2018.........SUNRISE   614 AM PDT   SUNSET   800 PM PDT   
MAY  1 2018...........SUNRISE   612 AM PDT   SUNSET   801 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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