AFOS product CLIAPC
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142 
CDUS46 KMTR 180835
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
135 AM PDT SUN MAY 18 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 17 2014...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2014


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         75    116 PM  95    2009  73      2       73       
  MINIMUM         49    155 AM  41    1999  46      3       45       
  AVERAGE         62                        59      3       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                         0.05    
  SINCE JUL 1     10.47                                      9.54    
  SINCE JAN 1      8.27                                      1.75    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        3                                         6       
  MONTH TO DATE   82                                        44       
  SINCE MAR 1    636                                       583       
  SINCE JUL 1   2843                                      2788       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    9                                         9       
  SINCE MAR 1     10                                        12       
  SINCE JAN 1     10                                        12       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION    SW (230)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     9.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     46           200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        81      2001                    
 MINIMUM TEMPERATURE (F)   46        39      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 18 2014...........SUNRISE   556 AM PDT   SUNSET   816 PM PDT   
MAY 19 2014...........SUNRISE   555 AM PDT   SUNSET   817 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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