AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
202 
CDUS46 KMTR 200827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
126 AM PDT FRI SEP 20 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 19 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    232 PM  97    2002  80      8       73       
  MINIMUM         45    602 AM  41    2008  49     -4       42       
  AVERAGE         67                        64      3       58      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE JUL 1      0.00                                       T      
  SINCE JAN 1      1.97                                     13.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         7       
  MONTH TO DATE    1                                        48       
  SINCE SEP 1      1                                        48       
  SINCE JUL 1     37                                       103       
                                                                     
 COOLING                                                             
  YESTERDAY        2                                         0       
  MONTH TO DATE   60                                        10       
  SINCE SEP 1     60                                        10       
  SINCE JAN 1    297                                       163       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (220)      
  AVERAGE WIND SPEED     4.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93           500 AM                                     
 LOWEST     19           200 PM                                     
 AVERAGE    56                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        97      2011                    
 MINIMUM TEMPERATURE (F)   49        38      2004                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 20 2013.....SUNRISE   655 AM PDT   SUNSET   709 PM PDT   
SEPTEMBER 21 2013.....SUNRISE   656 AM PDT   SUNSET   707 PM PDT   

                                                                    
-  INDICATES NEGATIVE NUMBERS.                                      
R  INDICATES RECORD WAS SET OR TIED.                                
MM INDICATES DATA IS MISSING.                                       
T  INDICATES TRACE AMOUNT.                                          




$$