AFOS product CLIAPC
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CDUS46 KMTR 240845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST WED JAN 24 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 23 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         59    220 PM  73    2014  56      3       53       
  MINIMUM         32    652 AM  26    2007  37     -5       39       
  AVERAGE         46                        46      0       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.09    
  MONTH TO DATE    3.01                                     12.11    
  SINCE OCT 1      6.04                                     21.06    
  SINCE JAN 1      3.01                                     12.11    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       19                                        19       
  MONTH TO DATE  346                                       370       
  SINCE DEC 1    894                                       915       
  SINCE JUL 1   1422                                      1419       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   E (80)       
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SE (140)      
  AVERAGE WIND SPEED     5.1                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1200 AM                                     
 LOWEST     57           200 PM                                     
 AVERAGE    79                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        67      2014                    
 MINIMUM TEMPERATURE (F)   37        26      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 24 2018.......SUNRISE   720 AM PST   SUNSET   523 PM PST   
JANUARY 25 2018.......SUNRISE   719 AM PST   SUNSET   524 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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