AFOS product CLIAPC
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CDUS46 KMTR 130829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT TUE MAR 13 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 12 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         71    127 PM  79    2007  64      7       76       
  MINIMUM         41    529 AM  33    2009  40      1       41       
  AVERAGE         56                        52      4       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.17                                      0.00    
  MONTH TO DATE    2.18                                      1.14    
  SINCE OCT 1      9.02                                     31.13    
  SINCE JAN 1      5.99                                     22.18    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                                         6       
  MONTH TO DATE  181                                       137       
  SINCE MAR 1    181                                       137       
  SINCE JUL 1   2201                                      2020       
                                                                     
 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  SE (130)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    30   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     6.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           200 AM                                     
 LOWEST     57          1200 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   64        80      2017                    
 MINIMUM TEMPERATURE (F)   40        31      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 13 2018.........SUNRISE   723 AM PDT   SUNSET   714 PM PDT   
MARCH 14 2018.........SUNRISE   722 AM PDT   SUNSET   715 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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