AFOS product CLIAPC
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CDUS46 KMTR 260838
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1237 AM PST SAT DEC 26 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 25 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         52    354 PM  65    2013  55     -3       58       
  MINIMUM         27    452 AM  24    1998  36     -9       34       
  AVERAGE         40                        45     -5       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    2.76                                     10.14    
  SINCE OCT 1      4.17                                     12.39    
  SINCE JAN 1      8.27                                     21.04    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       25                                        19       
  MONTH TO DATE  423                                       279       
  SINCE DEC 1    423                                       279       
  SINCE JUL 1    964                                       752       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    378                                       267       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   0   RESULTANT WIND DIRECTION  NE (50)       
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    NW (310)      
  HIGHEST GUST SPEED    15   HIGHEST GUST DIRECTION     S (170)      
  AVERAGE WIND SPEED     3.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     50           400 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   54        67      2013                    
 MINIMUM TEMPERATURE (F)   36        24      2011                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 26 2015......SUNRISE   724 AM PST   SUNSET   455 PM PST   
DECEMBER 27 2015......SUNRISE   725 AM PST   SUNSET   456 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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