National Weather Service Text Product
AFOS product CLIAPC
Dates interpreted at 00:00 UTCDisplaying AFOS PIL: CLIAPC
        Product Timestamp: 2015-09-28 08:41 UTC
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380 
CDUS46 KMTR 280841
CLIAPC
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
141 AM PDT MON SEP 28 2015
................................... 
...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 27 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         75    322 PM  97    2010  78     -3       77       
  MINIMUM         50    612 AM  45    2005  47      3       49       
  AVERAGE         63                        62      1       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.06                                      0.31    
  SINCE OCT 1     16.49                                     10.01    
  SINCE JAN 1      4.10                                      8.65    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                                         2       
  MONTH TO DATE   30                                        12       
  SINCE SEP 1     30                                        12       
  SINCE JUL 1     36                                        34       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   83                                        63       
  SINCE SEP 1     83                                        63       
  SINCE JAN 1    346                                       236       
..................................................................
WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    17   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     4.6                                         
                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              
                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     50           200 PM                                     
 AVERAGE    75                                                       
..........................................................
                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78       100      2010                    
 MINIMUM TEMPERATURE (F)   47        40      2001                    
                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 28 2015.....SUNRISE   702 AM PDT   SUNSET   657 PM PDT   
SEPTEMBER 29 2015.....SUNRISE   703 AM PDT   SUNSET   655 PM PDT   
                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          
$$