AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
171 
CDUS46 KMTR 160826
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1226 AM PST WED JAN 16 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 15 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         51    334 PM  67    2009  55     -4       56       
  MINIMUM         27    627 AM  18    2007  37    -10       26       
  AVERAGE         39                        46     -7       41      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.17                                      0.00    
  SINCE JUL 1      7.96                                      3.58    
  SINCE JAN 1      0.17                                      0.00    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       26                                        24       
  MONTH TO DATE  347                                       265       
  SINCE DEC 1    887                                       863       
  SINCE JUL 1   1459                                      1533       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION   E (70)       
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (90)       
  HIGHEST GUST SPEED    21   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     5.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

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

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    85          1200 AM                                     
 LOWEST     42           200 PM                                     
 AVERAGE    64                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   55        68      2009                    
 MINIMUM TEMPERATURE (F)   37        20      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 16 2013.......SUNRISE   724 AM PST   SUNSET   515 PM PST   
JANUARY 17 2013.......SUNRISE   724 AM PST   SUNSET   516 PM PST   

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




$$