AFOS product CLIAPC
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027 
CDUS46 KMTR 190826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT SAT JUL 19 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 18 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    241 PM  95    1998  78     -3       79       
  MINIMUM         58   1159 PM  50    2012  53      5       53       
                                      2009                          
  AVERAGE         67                        65      2       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE JUL 1      0.00                                      0.00    
  SINCE JAN 1      8.27                                      1.97    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   10                                        14       
  SINCE JUN 1     53                                        44       
  SINCE JUL 1     10                                        14       
                                                                     
 COOLING                                                             
  YESTERDAY        2                                         1       
  MONTH TO DATE   24                                        39       
  SINCE JUN 1     65                                       116       
  SINCE JAN 1     76                                       136       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    12.0                                         

                                                                     
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          1100 PM                                     
 LOWEST     57           100 PM                                     
 AVERAGE    75                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        88      2004                    
 MINIMUM TEMPERATURE (F)   53        47      2000                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 19 2014..........SUNRISE   601 AM PDT   SUNSET   829 PM PDT   
JULY 20 2014..........SUNRISE   602 AM PDT   SUNSET   829 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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