AFOS product CLIAPC
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CDUS46 KMTR 040828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1228 AM PST SUN MAR 4 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 3 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         51    230 PM  69    2012  62    -11       67       
  MINIMUM         32R   646 AM  32    2012  40     -8       38       
  AVERAGE         42                        51     -9       53      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.22                                      0.00    
  MONTH TO DATE    1.90                                      0.00    
  SINCE OCT 1      8.74                                     29.99    
  SINCE JAN 1      5.71                                     21.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       23                                        12       
  MONTH TO DATE   59                                        40       
  SINCE MAR 1     59                                        40       
  SINCE JUL 1   2079                                      1923       
                                                                     
 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   W (290)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           200 AM                                     
 LOWEST     71           200 PM                                     
 AVERAGE    86                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        73      2012                    
 MINIMUM TEMPERATURE (F)   40        32      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH  4 2018.........SUNRISE   636 AM PST   SUNSET   606 PM PST   
MARCH  5 2018.........SUNRISE   635 AM PST   SUNSET   607 PM PST   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$