AFOS product CLIAPC
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835 
CDUS46 KMTR 160826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST FRI FEB 16 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 15 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         68    327 PM  76    2016  60      8       64       
  MINIMUM         30    147 AM  29    2006  39     -9       49       
  AVERAGE         49                        49      0       57      
                                                                     
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       16                                         8       
  MONTH TO DATE  184                                       137       
  SINCE DEC 1   1214                                      1188       
  SINCE JUL 1   1742                                      1692       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NE (30)       
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     N (360)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     N (10)       
  AVERAGE WIND SPEED     4.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     14           300 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   60        77      2007                    
 MINIMUM TEMPERATURE (F)   39        27      2006                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY 16 2018......SUNRISE   658 AM PST   SUNSET   549 PM PST   
FEBRUARY 17 2018......SUNRISE   657 AM PST   SUNSET   550 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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