AFOS product CLIAPC
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CDUS46 KMTR 220845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT SUN MAR 22 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 21 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    237 PM  76    2000  65      4       64       
  MINIMUM         46    658 AM  31    2008  40      6       39       
  AVERAGE         58                        52      6       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.02                                      0.41    
  SINCE OCT 1     14.78                                      6.53    
  SINCE JAN 1      2.39                                      5.17    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                                        13       
  MONTH TO DATE  222                                       180       
  SINCE MAR 1    222                                       180       
  SINCE JUL 1   1950                                      2387       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    18   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     7.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     63           300 PM                                     
 AVERAGE    82                                                       

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

                                                                     
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 2015.........SUNRISE   710 AM PDT   SUNSET   723 PM PDT   
MARCH 23 2015.........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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