AFOS product CLIAPC
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CDUS46 KMTR 030838
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
137 AM PDT MON AUG 3 2015


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 2 2015...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2015


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         81    322 PM  95    1998  78      3       74       
  MINIMUM         59   1116 PM  45    2013  52      7       54       
  AVERAGE         70                        65      5       64      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1     16.42                                      9.63    
  SINCE JAN 1      4.03                                      8.27    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         1       
  MONTH TO DATE    0                                         1       
  SINCE JUN 1     54                                        54       
  SINCE JUL 1      6                                        11       
                                                                     
 COOLING                                                             
  YESTERDAY        5                                         0       
  MONTH TO DATE   11                                         1       
  SINCE JUN 1    154                                       118       
  SINCE JAN 1    155                                       129       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED  13   RESULTANT WIND DIRECTION   W (250)      
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     W (270)      
  HIGHEST GUST SPEED    25   HIGHEST GUST DIRECTION     W (270)      
  AVERAGE WIND SPEED    13.3                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.5                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  NO SIGNIFICANT WEATHER WAS OBSERVED.                               

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST    90          1200 AM                                     
 LOWEST     42           400 PM                                     
 AVERAGE    66                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   78       101      1998                    
 MINIMUM TEMPERATURE (F)   52        50      2007                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST  3 2015........SUNRISE   613 AM PDT   SUNSET   817 PM PDT   
AUGUST  4 2015........SUNRISE   614 AM PDT   SUNSET   816 PM PDT   

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




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