AFOS product CLIAPC
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CDUS46 KMTR 220838
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
138 AM PDT THU MAY 22 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 21 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         73    206 PM  96    2000  73      0       75       
  MINIMUM         52   1203 AM  39    2008  46      6       50       
  AVERAGE         63                        60      3       63      
                                                                     
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        2                                         2       
  MONTH TO DATE   98                                        52       
  SINCE MAR 1    652                                       591       
  SINCE JUL 1   2859                                      2796       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    9                                        15       
  SINCE MAR 1     10                                        18       
  SINCE JAN 1     10                                        18       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  10   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     S (190)      
  HIGHEST GUST SPEED    24   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    10.7                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     53           100 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   74        92      2000                    
 MINIMUM TEMPERATURE (F)   46        35      2013                    
                                             2010                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 22 2014...........SUNRISE   553 AM PDT   SUNSET   819 PM PDT   
MAY 23 2014...........SUNRISE   552 AM PDT   SUNSET   820 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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