CDUS46 KMTR 090831
CLIAPC

CLIMATE REPORT 
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
131 AM PDT THU JUL 09 2026

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

...THE NAPA AIRPORT  CLIMATE SUMMARY FOR JULY 8 2026...

CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1998 TO 2026


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 YESTERDAY                                                           
  MAXIMUM         74   3:30 PM 100    2008  79     -5       73        
  MINIMUM         53  11:56 PM  44    2009  54     -1       54        
  AVERAGE         64                        67     -3       64     

PRECIPITATION (IN)                                                    
  YESTERDAY        0.00                                      0.00     
  MONTH TO DATE    0.00                                      0.00     
  SINCE OCT 1     17.03                                     16.08     
  SINCE JAN 1      9.60                                      8.10     

DEGREE DAYS                                                           
 HEATING                                                              
  YESTERDAY        1                                         1        
  MONTH TO DATE   15                                        22        
  SINCE JUN 1     36                                        86        
  SINCE JUL 1     15                                        22        

 COOLING                                                              
  YESTERDAY        0                                         0        
  MONTH TO DATE    0                                         0        
  SINCE JUN 1     39                                         8        
  SINCE JAN 1     56                                        25        
...................................................................


WIND (MPH)                                                            
  RESULTANT WIND SPEED   8   RESULTANT WIND DIRECTION  SW (220)       
  HIGHEST WIND SPEED    21   HIGHEST WIND DIRECTION     S (200)       
  HIGHEST GUST SPEED    26   HIGHEST GUST DIRECTION     S (200)       
  AVERAGE WIND SPEED     9.6                                        


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    93          11:00 PM                                      
 LOWEST     59           2:00 PM                                      
 AVERAGE    76                                                        

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THE NAPA AIRPORT  CLIMATE NORMALS FOR TODAY
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   79       100      2002                      
 MINIMUM TEMPERATURE (F)   54        45      2009                      


SUNRISE AND SUNSET                                                    
JULY  9 2026..........SUNRISE   5:54 AM PDT   SUNSET   8:34 PM PDT     
JULY 10 2026..........SUNRISE   5:55 AM PDT   SUNSET   8:34 PM PDT     


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