AFOS product CLIAPC
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CDUS46 KMTR 150845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST THU FEB 15 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 14 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         61    222 PM  75    2016  60      1       69       
  MINIMUM         29R   706 AM  30    2012  39    -10       41       
  AVERAGE         45                        49     -4       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      5.31    
  SINCE OCT 1      6.63                                     26.37    
  SINCE JAN 1      3.60                                     17.42    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       20                                        10       
  MONTH TO DATE  168                                       129       
  SINCE DEC 1   1198                                      1180       
  SINCE JUL 1   1726                                      1684       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED     6.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92          1100 PM                                     
 LOWEST     47           100 PM                                     
 AVERAGE    70                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        76      2016                    
 MINIMUM TEMPERATURE (F)   39        29      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 15 2018......SUNRISE   659 AM PST   SUNSET   548 PM PST   
FEBRUARY 16 2018......SUNRISE   658 AM PST   SUNSET   549 PM PST   

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




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