AFOS product CLIAPC
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CDUS46 KMTR 010845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT SAT JUN 1 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 31 2013...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2013


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         88    427 PM  96    2001  76     12       84       
  MINIMUM         43    452 AM  41    2011  48     -5       48       
  AVERAGE         66                        62      4       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.08                                      0.03    
  SINCE JUL 1      9.57                                     17.30    
  SINCE JAN 1      1.78                                     13.72    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE  101                                       157       
  SINCE MAR 1    640                                       840       
  SINCE JUL 1   2845                                      3104       
                                                                     
 COOLING                                                             
  YESTERDAY        1                                         1       
  MONTH TO DATE   17                                         7       
  SINCE MAR 1     20                                        14       
  SINCE JAN 1     20                                        14       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION    SW (240)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     6.4                                         

                                                                     
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    86           300 AM                                     
 LOWEST     22           500 PM                                     
 AVERAGE    54                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76        84      2003                    
 MINIMUM TEMPERATURE (F)   48        40      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
JUNE  1 2013..........SUNRISE   548 AM PDT   SUNSET   827 PM PDT   
JUNE  2 2013..........SUNRISE   547 AM PDT   SUNSET   828 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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