AFOS product CLIAPC
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CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT WED APR 22 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 21 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         56    253 PM  91    2009  69    -13       69       
  MINIMUM         50    707 AM  30    2008  42      8       41       
  AVERAGE         53                        55     -2       55      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    1.01                                      0.98    
  SINCE OCT 1     15.84                                      8.64    
  SINCE JAN 1      3.45                                      7.28    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       12                                        10       
  MONTH TO DATE  234                                       169       
  SINCE MAR 1    529                                       472       
  SINCE JUL 1   2257                                      2679       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  12   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    22   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED    13.8                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 1.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           600 AM                                     
 LOWEST     77           300 PM                                     
 AVERAGE    85                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   69        87      2013                    
 MINIMUM TEMPERATURE (F)   42        35      2004                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 22 2015.........SUNRISE   624 AM PDT   SUNSET   752 PM PDT   
APRIL 23 2015.........SUNRISE   623 AM PDT   SUNSET   753 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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