AFOS product CLIAPC
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CDUS46 KMTR 120836
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT MON MAR 12 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 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         70    408 PM  82    2005  64      6       74       
  MINIMUM         40   1229 AM  31    2009  40      0       44       
  AVERAGE         55                        52      3       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    2.01                                      1.14    
  SINCE OCT 1      8.85                                     31.13    
  SINCE JAN 1      5.82                                     22.18    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       10                                         6       
  MONTH TO DATE  172                                       131       
  SINCE MAR 1    172                                       131       
  SINCE JUL 1   2192                                      2014       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  SE (130)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (120)      
  AVERAGE WIND SPEED     3.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     44           200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        79      2007                    
 MINIMUM TEMPERATURE (F)   40        33      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 12 2018.........SUNRISE   725 AM PDT   SUNSET   714 PM PDT   
MARCH 13 2018.........SUNRISE   723 AM PDT   SUNSET   714 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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