AFOS product CLIAPC
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CDUS46 KMTR 090845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1245 AM PST FRI MAR 9 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 8 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         67    319 PM  80    2004  63      4       69       
  MINIMUM         45   1149 PM  28    2002  40      5       39       
  AVERAGE         56                        52      4       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.09                                      0.00    
  MONTH TO DATE    2.00                                      1.14    
  SINCE OCT 1      8.84                                     31.13    
  SINCE JAN 1      5.81                                     22.18    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        9                                        11       
  MONTH TO DATE  133                                       114       
  SINCE MAR 1    133                                       114       
  SINCE JUL 1   2153                                      1997       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION     W (280)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION    NW (300)      
  AVERAGE WIND SPEED     4.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     48           300 PM                                     
 AVERAGE    74                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   63        79      2004                    
 MINIMUM TEMPERATURE (F)   40        31      2012                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH  9 2018.........SUNRISE   629 AM PST   SUNSET   611 PM PST   
MARCH 10 2018.........SUNRISE   628 AM PST   SUNSET   612 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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