195  
CDUS46 KMTR 110839  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
139 AM PDT SAT APR 11 2026  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 10 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 65 4:17 PM 82 2013 67 -2 70  
MINIMUM 52 12:58 AM 33 2008 43 9 44  
AVERAGE 59 55 4 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.45 0.00  
MONTH TO DATE 0.64 0.23  
SINCE OCT 1 13.51 15.85  
SINCE JAN 1 6.08 7.87  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 8  
MONTH TO DATE 58 99  
SINCE MAR 1 217 500  
SINCE JUL 1 2015 2355  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 8 2  
SINCE JAN 1 8 2    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 5.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 8:00 AM  
LOWEST 73 2:00 PM  
AVERAGE 87  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 84 2008  
MINIMUM TEMPERATURE (F) 43 33 2009  
 
SUNRISE AND SUNSET  
APRIL 11 2026.........SUNRISE 6:39 AM PDT SUNSET 7:42 PM PDT  
APRIL 12 2026.........SUNRISE 6:38 AM PDT SUNSET 7:43 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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