National Weather Service Raw Text Product

Displaying AFOS PIL: CLIAPC Received: 2017-12-07 08:28 UTC


590 
CDUS46 KMTR 070828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1228 AM PST THU DEC 7 2017


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 6 2017...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2017


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         64    227 PM  66    2006  57      7       58       
  MINIMUM         31    614 AM  20    2013  36     -5       31       
  AVERAGE         48                        47      1       45      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.01                                      0.00    
  SINCE OCT 1      2.98                                      4.75    
  SINCE JAN 1     31.16                                     19.42    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                                        20       
  MONTH TO DATE   93                                        95       
  SINCE DEC 1     93                                        95       
  SINCE JUL 1    621                                       599       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    530                                       186       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (100)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     6.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           200 AM                                     
 LOWEST     32           200 PM                                     
 AVERAGE    61                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   57        70      2001                    
 MINIMUM TEMPERATURE (F)   36        22      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER  7 2017......SUNRISE   713 AM PST   SUNSET   449 PM PST   
DECEMBER  8 2017......SUNRISE   713 AM PST   SUNSET   449 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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