AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
155 
CDUS46 KMTR 090828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
128 AM PDT MON SEP 9 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 8 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         86    231 PM  98    2004  81      5       76       
  MINIMUM         50    532 AM  43    2002  51     -1       50       
  AVERAGE         68                        66      2       63      
                                                                     
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                                         2       
  MONTH TO DATE    0                                        16       
  SINCE SEP 1      0                                        16       
  SINCE JUL 1     36                                        71       
                                                                     
 COOLING                                                             
  YESTERDAY        3                                         0       
  MONTH TO DATE   37                                         5       
  SINCE SEP 1     37                                         5       
  SINCE JAN 1    274                                       158       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   S (180)      
  HIGHEST WIND SPEED    12   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    14   HIGHEST GUST DIRECTION     S (160)      
  AVERAGE WIND SPEED     5.2                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           400 AM                                     
 LOWEST     37           200 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   81        92      2002                    
 MINIMUM TEMPERATURE (F)   51        43      2002                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER  9 2013.....SUNRISE   646 AM PDT   SUNSET   726 PM PDT   
SEPTEMBER 10 2013.....SUNRISE   647 AM PDT   SUNSET   724 PM PDT   

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




$$