AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download Bulk Download
523 
CDUS46 KMTR 190827
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
127 AM PDT SUN AUG 19 2018


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR AUGUST 18 2018...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2018


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         83    136 PM  91    2013  80      3       78       
  MINIMUM         47    549 AM  46    2007  52     -5       57       
  AVERAGE         65                        66     -1       68      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                       T      
  SINCE OCT 1     15.80                                     37.11    
  SINCE JAN 1     12.77                                     28.16    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    6                                         2       
  SINCE JUN 1     81                                        27       
  SINCE JUL 1     23                                        10       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         3       
  MONTH TO DATE   40                                        61       
  SINCE JUN 1    146                                       295       
  SINCE JAN 1    151                                       329       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   6   RESULTANT WIND DIRECTION   S (200)      
  HIGHEST WIND SPEED    14   HIGHEST WIND DIRECTION    SW (210)      
  HIGHEST GUST SPEED    16   HIGHEST GUST DIRECTION    SW (210)      
  AVERAGE WIND SPEED     6.0                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           500 AM                                     
 LOWEST     36           100 PM                                     
 AVERAGE    68                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   80        84      2013                    
 MINIMUM TEMPERATURE (F)   52        48      1999                    

                                                                     
SUNRISE AND SUNSET                                                   
AUGUST 19 2018........SUNRISE   628 AM PDT   SUNSET   757 PM PDT   
AUGUST 20 2018........SUNRISE   628 AM PDT   SUNSET   756 PM PDT   

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




$$