AFOS product CLIAPC
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CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
125 AM PDT SAT MAY 10 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 9 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         69    134 PM  81    2001  71     -2       71       
  MINIMUM         50   1159 PM  33    2003  45      5       50       
  AVERAGE         60                        58      2       61      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.05    
  SINCE JUL 1     10.34                                      9.54    
  SINCE JAN 1      8.14                                      1.75    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                                         4       
  MONTH TO DATE   57                                        23       
  SINCE MAR 1    595                                       562       
  SINCE JUL 1   2802                                      2767       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    1                                         9       
  SINCE MAR 1      2                                        12       
  SINCE JAN 1      2                                        12       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    28   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    33   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    13.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.3                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           100 AM                                     
 LOWEST     55          1200 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   71        88      2001                    
 MINIMUM TEMPERATURE (F)   45        36      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 10 2014...........SUNRISE   603 AM PDT   SUNSET   809 PM PDT   
MAY 11 2014...........SUNRISE   602 AM PDT   SUNSET   810 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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