AFOS product CLIAPC
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CDUS46 KMTR 220827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT THU MAR 22 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 21 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         62    424 PM  76    2000  65     -3       67       
  MINIMUM         52    646 AM  31    2008  40     12       53       
  AVERAGE         57                        52      5       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.38                                      0.95    
  MONTH TO DATE    4.44                                      2.88    
  SINCE OCT 1     11.28                                     32.87    
  SINCE JAN 1      8.25                                     23.92    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                                         5       
  MONTH TO DATE  324                                       185       
  SINCE MAR 1    324                                       185       
  SINCE JUL 1   2344                                      2068       
                                                                     
 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   S (160)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (180)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     7.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.9                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     84           300 PM                                     
 AVERAGE    92                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        72      2008                    
 MINIMUM TEMPERATURE (F)   40        31      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 22 2018.........SUNRISE   709 AM PDT   SUNSET   723 PM PDT   
MARCH 23 2018.........SUNRISE   708 AM PDT   SUNSET   724 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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