868  
CDUS46 KMTR 120051  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
551 PM PDT TUE JUL 11 2023  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR JULY 11 2023
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 83 2:37 PM 97 1999 79 4 81  
MINIMUM 52 4:58 AM 46 1998 55 -3 54  
AVERAGE 68 67 1 68  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 0.00 0.00  
SINCE OCT 1 29.51 17.98  
SINCE JAN 1 21.09 2.84  
 
DEGREE DAYS  
HEATING  
TODAY 0 0  
MONTH TO DATE 7 4  
SINCE JUN 1 57 22  
SINCE JUL 1 7 4  
 
COOLING  
TODAY 3 3  
MONTH TO DATE 20 26  
SINCE JUN 1 29 115  
SINCE JAN 1 38 148    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (190)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 5:00 AM  
LOWEST 40 3:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 79 95 1999  
MINIMUM TEMPERATURE (F) 55 46 2004  
 
SUNRISE AND SUNSET  
JULY 11 2023..........SUNRISE 5:55 AM PDT SUNSET 8:34 PM PDT  
JULY 12 2023..........SUNRISE 5:56 AM PDT SUNSET 8:33 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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