AFOS product CLIAPC
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CDUS46 KMTR 140836
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1236 AM PST MON DEC 14 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 13 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         56    126 PM  61    2004  56      0       56       
  MINIMUM         37   1159 PM  24    2013  36      1       38       
                                      2007                          
  AVERAGE         47                        46      1       47      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.32                                      0.00    
  MONTH TO DATE    0.64                                      7.07    
  SINCE OCT 1      2.05                                      9.32    
  SINCE JAN 1      6.15                                     17.97    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       18                                        18       
  MONTH TO DATE  193                                       122       
  SINCE DEC 1    193                                       122       
  SINCE JUL 1    734                                       595       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    378                                       267       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   W (260)      
  HIGHEST WIND SPEED    33   HIGHEST WIND DIRECTION    SW (220)      
  HIGHEST GUST SPEED    42   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED    14.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  RAIN                                                               
  LIGHT RAIN                                                         
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           100 AM                                     
 LOWEST     59           200 PM                                     
 AVERAGE    76                                                       

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

                                                                     
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 2015......SUNRISE   718 AM PST   SUNSET   450 PM PST   
DECEMBER 15 2015......SUNRISE   718 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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