AFOS product CLIAPC
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963 
CDUS46 KMTR 300828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT SAT MAY 30 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 29 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         69    349 PM  87    2002  75     -6       82       
  MINIMUM         47   1112 PM  38    2006  47      0       41       
  AVERAGE         58                        61     -3       62      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    T                                          T      
  SINCE OCT 1     16.26                                      9.63    
  SINCE JAN 1      3.87                                      8.27    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        7                                         3       
  MONTH TO DATE  208                                       118       
  SINCE MAR 1    797                                       672       
  SINCE JUL 1   2525                                      2879       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                        10       
  SINCE MAR 1      1                                        11       
  SINCE JAN 1      1                                        11       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    17   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     7.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    96           900 PM                                     
 LOWEST     59           200 PM                                     
 AVERAGE    78                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   76       100      2001                    
 MINIMUM TEMPERATURE (F)   47        40      2013                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY 30 2015...........SUNRISE   549 AM PDT   SUNSET   825 PM PDT   
MAY 31 2015...........SUNRISE   548 AM PDT   SUNSET   826 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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