AFOS product CLIAPC
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CDUS46 KMTR 080841
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1241 AM PST THU FEB 8 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR FEBRUARY 7 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         73R   336 PM  70    2016  58     15       63       
                                      2011                          
  MINIMUM         35    303 AM  28    2001  38     -3       57       
  AVERAGE         54                        48      6       60      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.86    
  MONTH TO DATE    0.00                                      3.74    
  SINCE OCT 1      6.63                                     24.80    
  SINCE JAN 1      3.60                                     15.85    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       11                                         5       
  MONTH TO DATE   63                                        65       
  SINCE DEC 1   1093                                      1116       
  SINCE JUL 1   1621                                      1620       
                                                                     
 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   E (90)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     4.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    92           700 AM                                     
 LOWEST     42          1100 AM                                     
 AVERAGE    67                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   58        73      2016                    
 MINIMUM TEMPERATURE (F)   38        23      2003                    

                                                                     
SUNRISE AND SUNSET                                                   
FEBRUARY  8 2018......SUNRISE   707 AM PST   SUNSET   540 PM PST   
FEBRUARY  9 2018......SUNRISE   706 AM PST   SUNSET   541 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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