AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
029 
CDUS46 KMTR 300837
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
136 AM PDT TUE JUL 30 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 29 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         71    149 PM  81    2000  78     -7       75       
  MINIMUM         55   1022 PM  49    2010  52      3       56       
  AVERAGE         63                        65     -2       66      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                       T      
  SINCE JUL 1      0.00                                       T      
  SINCE JAN 1      1.97                                     13.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE JUN 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        2                                         0       
  MONTH TO DATE   18                                        26       
  SINCE JUN 1     48                                        87       
  SINCE JUL 1     18                                        26       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         1       
  MONTH TO DATE   51                                        36       
  SINCE JUN 1    128                                        83       
  SINCE JAN 1    148                                        97       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   9   RESULTANT WIND DIRECTION  SW (230)      
  HIGHEST WIND SPEED    25   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    47   HIGHEST GUST DIRECTION    NW (330)      
  AVERAGE WIND SPEED    12.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.6                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  HAZE                                                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    86          1200 AM                                     
 LOWEST     57           100 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78        88      2012                    
 MINIMUM TEMPERATURE (F)   52        50      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
JULY 30 2013..........SUNRISE   610 AM PDT   SUNSET   820 PM PDT   
JULY 31 2013..........SUNRISE   611 AM PDT   SUNSET   819 PM PDT   

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




$$