AFOS product CLIAPC
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874 
CDUS46 KMTR 150831
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
130 AM PDT WED APR 15 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 14 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         65    143 PM  79    1999  68     -3       70       
  MINIMUM         35    514 AM  30    2009  41     -6       45       
  AVERAGE         50                        55     -5       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    1.01                                      0.98    
  SINCE OCT 1     15.84                                      8.64    
  SINCE JAN 1      3.45                                      7.28    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       15                                         7       
  MONTH TO DATE  177                                       116       
  SINCE MAR 1    472                                       419       
  SINCE JUL 1   2200                                      2626       
                                                                     
 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   W (270)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     W (290)      
  HIGHEST GUST SPEED    27   HIGHEST GUST DIRECTION     W (280)      
  AVERAGE WIND SPEED     7.4                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    89           900 PM                                     
 LOWEST     25          1200 PM                                     
 AVERAGE    57                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   68        82      1999                    
 MINIMUM TEMPERATURE (F)   41        30      2009                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 15 2015.........SUNRISE   634 AM PDT   SUNSET   745 PM PDT   
APRIL 16 2015.........SUNRISE   632 AM PDT   SUNSET   746 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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