AFOS product CLIAPC
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803 
CDUS46 KMTR 200829
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
129 AM PDT TUE MAY 20 2014


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 19 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         70   1132 AM  85    2013  73     -3       85       
  MINIMUM         50   1159 PM  40    2011  46      4       45       
                                      2003                          
  AVERAGE         60                        60      0       65      
                                                                     
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        5                                         0       
  MONTH TO DATE   89                                        50       
  SINCE MAR 1    643                                       589       
  SINCE JUL 1   2850                                      2794       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    9                                         9       
  SINCE MAR 1     10                                        12       
  SINCE JAN 1     10                                        12       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (270)      
  HIGHEST WIND SPEED    29   HIGHEST WIND DIRECTION     W (250)      
  HIGHEST GUST SPEED    35   HIGHEST GUST DIRECTION     W (250)      
  AVERAGE WIND SPEED    13.3                                         

                                                                     
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    96          1100 PM                                     
 LOWEST     47          1200 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   73        91      2013                    
 MINIMUM TEMPERATURE (F)   46        39      2010                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 20 2014...........SUNRISE   554 AM PDT   SUNSET   818 PM PDT   
MAY 21 2014...........SUNRISE   554 AM PDT   SUNSET   818 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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