637  
CDUS46 KMTR 060828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1228 AM PST THU MAR 06 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR MARCH 5 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 59 2:33 PM 72 2008 63 -4 59  
MINIMUM 44 11:58 PM 28 2018 41 3 49  
AVERAGE 52 52 0 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T  
MONTH TO DATE T 0.88  
SINCE OCT 1 13.95 16.55  
SINCE JAN 1 5.97 10.51  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 11  
MONTH TO DATE 68 80  
SINCE MAR 1 68 80  
SINCE JUL 1 1923 1728  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (270)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.3  
 
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 2:00 AM  
LOWEST 59 3:00 PM  
AVERAGE 76  
   
......................................................  
 
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 2025.........SUNRISE 6:33 AM PST SUNSET 6:08 PM PST  
MARCH 7 2025.........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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