AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
000 
CDUS46 KMTR 130828
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
1227 AM PST FRI DEC 13 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR DECEMBER 12 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         58    236 PM  60    2010  56      2       57       
  MINIMUM         26R   746 AM  28    2007  36    -10       34       
  AVERAGE         42                        46     -4       46      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                       T      
  MONTH TO DATE    0.47                                      1.74    
  SINCE JUL 1      2.20                                      5.35    
  SINCE JAN 1      4.17                                     19.12    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY       23                                        19       
  MONTH TO DATE  307                                       161       
  SINCE DEC 1    307                                       161       
  SINCE JUL 1    986                                       733       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE DEC 1      0                                         0       
  SINCE JAN 1    303                                       204       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   1   RESULTANT WIND DIRECTION  SE (120)      
  HIGHEST WIND SPEED    13   HIGHEST WIND DIRECTION     E (110)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     2.7                                         

                                                                     
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    92           100 AM                                     
 LOWEST     40           200 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   56        61      2004                    
 MINIMUM TEMPERATURE (F)   36        24      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
DECEMBER 13 2013......SUNRISE   717 AM PST   SUNSET   450 PM PST   
DECEMBER 14 2013......SUNRISE   718 AM PST   SUNSET   450 PM PST   

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




$$