AFOS product CLIAPC
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CDUS46 KMTR 210830
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
129 AM PDT WED MAR 21 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MARCH 20 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         56   1033 AM  83    2004  65     -9       62       
  MINIMUM         50    657 AM  34    2008  40     10       53       
  AVERAGE         53                        52      1       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.32                                      0.79    
  MONTH TO DATE    4.06                                      1.93    
  SINCE OCT 1     10.90                                     31.92    
  SINCE JAN 1      7.87                                     22.97    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                                         7       
  MONTH TO DATE  316                                       180       
  SINCE MAR 1    316                                       180       
  SINCE JUL 1   2336                                      2063       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   7   RESULTANT WIND DIRECTION   E (80)       
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     E (70)       
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     7.6                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100          1100 PM                                     
 LOWEST     55           400 AM                                     
 AVERAGE    78                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   65        76      2000                    
 MINIMUM TEMPERATURE (F)   40        31      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
MARCH 21 2018.........SUNRISE   711 AM PDT   SUNSET   722 PM PDT   
MARCH 22 2018.........SUNRISE   709 AM PDT   SUNSET   723 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




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