AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
640 
CDUS46 KMTR 210828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST MON JAN 21 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JANUARY 20 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         65    247 PM  70    2009  55     10       57       
  MINIMUM         30    637 AM  25    2007  37     -7       46       
  AVERAGE         48                        46      2       52      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      1.92    
  MONTH TO DATE    0.17                                      2.18    
  SINCE JUL 1      7.96                                      5.76    
  SINCE JAN 1      0.17                                      2.18    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE DEC 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       17                                        13       
  MONTH TO DATE  444                                       383       
  SINCE DEC 1    984                                       981       
  SINCE JUL 1   1556                                      1651       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1      0                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION   E (70)       
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     E (100)      
  HIGHEST GUST SPEED    20   HIGHEST GUST DIRECTION     E (90)       
  AVERAGE WIND SPEED     4.7                                         

                                                                     
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    89           200 AM                                     
 LOWEST     28           300 PM                                     
 AVERAGE    59                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   55        68      2007                    
 MINIMUM TEMPERATURE (F)   37        26      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
JANUARY 21 2013.......SUNRISE   722 AM PST   SUNSET   520 PM PST   
JANUARY 22 2013.......SUNRISE   721 AM PST   SUNSET   521 PM PST   

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




$$