AFOS product CLIAPC
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CDUS46 KMTR 140935
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
135 AM PST SUN DEC 14 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 13 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         56    248 PM  61    2004  56      0       56       
  MINIMUM         38    624 AM  24    2013  36      2       24       
                                      2007                          
  AVERAGE         47                        46      1       40      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    7.07                                      0.47    
  SINCE JUL 1      9.70                                      2.20    
  SINCE JAN 1     17.97                                      4.17    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                                        25       
  MONTH TO DATE  122                                       332       
  SINCE DEC 1    122                                       332       
  SINCE JUL 1    595                                      1011       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    267                                       303       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   2   RESULTANT WIND DIRECTION  NE (60)       
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     3.9                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     77           300 PM                                     
 AVERAGE    89                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        61      2006                    
 MINIMUM TEMPERATURE (F)   36        24      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 14 2014......SUNRISE   718 AM PST   SUNSET   450 PM PST   
DECEMBER 15 2014......SUNRISE   719 AM PST   SUNSET   450 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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