AFOS product CLIAPC
Dates interpreted at 00:00 UTC
Download date range (UTC midnight)
Bulk Download
379 
CDUS46 KMTR 030845
CLIAPC


CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA                      
145 AM PDT FRI MAY 3 2019


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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR MAY 2 2019...

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1998 TO 2019


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST     
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL             
..................................................................
TEMPERATURE (F)                                                     
 YESTERDAY                                                           
  MAXIMUM         74    222 PM  93    2017  70      4       67       
  MINIMUM         39    517 AM  37    2012  44     -5       50       
                                      2002                          
  AVERAGE         57                        57      0       59      
                                                                     
PRECIPITATION (IN)                                                   
  YESTERDAY        0.00                                      0.00    
  MONTH TO DATE    0.00                                      0.00    
  SINCE OCT 1     23.07                                     15.79    
  SINCE JAN 1     19.87                                     12.76    
                                                                     
DEGREE DAYS                                                          
 HEATING                                                             
  YESTERDAY        8                                         6       
  MONTH TO DATE   18                                        16       
  SINCE MAR 1    607                                       718       
  SINCE JUL 1   2566                                      2738       
                                                                     
 COOLING                                                             
  YESTERDAY        0                                         0       
  MONTH TO DATE    0                                         0       
  SINCE MAR 1      6                                         0       
  SINCE JAN 1      6                                         0       
..................................................................


WIND (MPH)                                                           
  RESULTANT WIND SPEED   4   RESULTANT WIND DIRECTION  SW (210)      
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     S (200)      
  HIGHEST GUST SPEED    18   HIGHEST GUST DIRECTION     S (200)      
  AVERAGE WIND SPEED     4.5                                         

                                                                     
SKY COVER                                                            
  POSSIBLE SUNSHINE  MM                                              
  AVERAGE SKY COVER 0.0                                              

                                                                     
WEATHER CONDITIONS                                                  
 THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.                        
  FOG                                                                
  FOG W/VISIBILITY <= 1/4 MILE                                       

                                                                     
RELATIVE HUMIDITY (PERCENT)                                          
 HIGHEST   100           300 AM                                     
 LOWEST     38           200 PM                                     
 AVERAGE    69                                                       

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

                                                                     
THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                    
 MAXIMUM TEMPERATURE (F)   70        91      2017                    
 MINIMUM TEMPERATURE (F)   44        36      2008                    

                                                                     
SUNRISE AND SUNSET                                                   
MAY  3 2019...........SUNRISE   610 AM PDT   SUNSET   802 PM PDT   
MAY  4 2019...........SUNRISE   609 AM PDT   SUNSET   803 PM PDT   

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




$$