AFOS product CLIAPC
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CDUS46 KMTR 280825
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT WED MAR 28 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 27 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         74    331 PM  80    2009  66      8       67       
  MINIMUM         39   1227 AM  32    2008  40     -1       44       
  AVERAGE         57                        53      4       56      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    5.19                                      3.75    
  SINCE OCT 1     12.03                                     33.74    
  SINCE JAN 1      9.00                                     24.79    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                                         9       
  MONTH TO DATE  414                                       245       
  SINCE MAR 1    414                                       245       
  SINCE JUL 1   2434                                      2128       
                                                                     
 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 (190)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     4.8                                         

                                                                     
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    86          1000 PM                                     
 LOWEST     34           900 AM                                     
 AVERAGE    60                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   66        78      2017                    
 MINIMUM TEMPERATURE (F)   40        32      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 28 2018.........SUNRISE   700 AM PDT   SUNSET   729 PM PDT   
MARCH 29 2018.........SUNRISE   659 AM PDT   SUNSET   730 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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