AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
123 
CDUS46 KMTR 280830
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
130 AM PDT SUN APR 28 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR APRIL 27 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         72    332 PM  91    2004  70      2       70       
  MINIMUM         47   1112 PM  35    2003  43      4       38       
  AVERAGE         60                        56      4       54      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.71                                      1.72    
  SINCE JUL 1      9.49                                     17.27    
  SINCE JAN 1      1.70                                     13.69    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE MAR 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                                        11       
  MONTH TO DATE  179                                       250       
  SINCE MAR 1    539                                       674       
  SINCE JUL 1   2744                                      2938       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    1                                         7       
  SINCE MAR 1      1                                         7       
  SINCE JAN 1      1                                         7       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   5   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    15   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     6.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.4                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    93          1200 AM                                     
 LOWEST     53           200 PM                                     
 AVERAGE    73                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        82      2008                    
 MINIMUM TEMPERATURE (F)   43        32      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
APRIL 28 2013.........SUNRISE   616 AM PDT   SUNSET   758 PM PDT   
APRIL 29 2013.........SUNRISE   615 AM PDT   SUNSET   759 PM PDT   

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




$$