917  
CDUS46 KMTR 060828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1228 AM PST FRI MAR 06 2026  
   
...............................
 
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 5 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 69 4:03 PM 72 2008 63 6 59  
MINIMUM 37 7:10 AM 28 2018 41 -4 44  
AVERAGE 53 52 1 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.01 T  
SINCE OCT 1 12.74 13.95  
SINCE JAN 1 5.31 5.97  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 13  
MONTH TO DATE 47 68  
SINCE MAR 1 47 68  
SINCE JUL 1 1845 1923  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION N (340)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION N (350)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 3:00 AM  
LOWEST 21 5:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 70 2007  
MINIMUM TEMPERATURE (F) 41 29 2022  
 
SUNRISE AND SUNSET  
MARCH 6 2026.........SUNRISE 6:33 AM PST SUNSET 6:08 PM PST  
MARCH 7 2026.........SUNRISE 6:32 AM PST SUNSET 6:09 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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