AFOS product CLIAPC
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779 
CDUS46 KMTR 231421 CCA
CLIAPC

CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
135 AM PDT MON SEP 23 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 22 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         74    330 PM  99    2003  79     -5       82
  MINIMUM         45    536 AM  40    2005  48     -3       43
  AVERAGE         60                        64     -4       63

PRECIPITATION (IN)
  YESTERDAY        0.00                                      0.00
  MONTH TO DATE    0.82                                      0.00
  SINCE JUL 1      0.82                                       T
  SINCE JAN 1      2.79                                     13.77

SNOWFALL (IN)
  YESTERDAY        0.0
  MONTH TO DATE    0.0
  SINCE SEP 1      0.0
  SINCE JUL 1      0.0

DEGREE DAYS
 HEATING
  YESTERDAY        5                                         2
  MONTH TO DATE   13                                        61
  SINCE SEP 1     13                                        61
  SINCE JUL 1     49                                       116

 COOLING
  YESTERDAY        0                                         0
  MONTH TO DATE   60                                        10
  SINCE SEP 1     60                                        10
  SINCE JAN 1    297                                       163
..................................................................


WIND (MPH)
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (240)
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (270)
  HIGHEST GUST SPEED     M   HIGHEST GUST DIRECTION           M
  AVERAGE WIND SPEED     4.3


SKY COVER
  POSSIBLE SUNSHINE  MM
  AVERAGE SKY COVER 0.1


WEATHER CONDITIONS
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
  FOG


RELATIVE HUMIDITY (PERCENT)
 HIGHEST   100           300 AM
 LOWEST     44           400 PM
 AVERAGE    72

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


THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR
 MAXIMUM TEMPERATURE (F)   79        94      2002
 MINIMUM TEMPERATURE (F)   48        39      2005


SUNRISE AND SUNSET
SEPTEMBER 23 2013.....SUNRISE   658 AM PDT   SUNSET   704 PM PDT
SEPTEMBER 24 2013.....SUNRISE   659 AM PDT   SUNSET   702 PM PDT


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




$$
735 
CDUS46 KMTR 230836
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
135 AM PDT MON SEP 23 2013


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR SEPTEMBER 22 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         74    330 PM  99    2003  79     -5       82       
  MINIMUM         45    536 AM  40    2005  48     -3       43       
  AVERAGE         60                        64     -4       63      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.82                                      0.00    
  SINCE JUL 1      0.82                                       T      
  SINCE JAN 1      2.79                                     13.77    
                                                                     
SNOWFALL (IN)                                                        
  YESTERDAY        0.0                                               
  MONTH TO DATE    0.0                                               
  SINCE SEP 1      0.0                                               
  SINCE JUL 1      0.0                                               
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        5                                         2       
  MONTH TO DATE   13                                        61       
  SINCE SEP 1     13                                        61       
  SINCE JUL 1     49                                       116       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE   60                                        10       
  SINCE SEP 1     60                                        10       
  SINCE JAN 1    297                                       163       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   3   RESULTANT WIND DIRECTION  SW (240)      
  HIGHEST WIND SPEED    20   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    41   HIGHEST GUST DIRECTION    SE (150)      
  AVERAGE WIND SPEED     4.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.1                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     44           400 PM                                     
 AVERAGE    72                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   79        94      2002                    
 MINIMUM TEMPERATURE (F)   48        39      2005                    

                                                                     
SUNRISE AND SUNSET                                                   
SEPTEMBER 23 2013.....SUNRISE   658 AM PDT   SUNSET   704 PM PDT   
SEPTEMBER 24 2013.....SUNRISE   659 AM PDT   SUNSET   702 PM PDT   

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




$$