196  
CDUS46 KMTR 040827  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
127 AM PDT SAT APR 04 2026  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 3 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 76R 3:54 PM 76 2013 66 10 65  
2017  
MINIMUM 38 4:41 AM 28 2001 42 -4 36  
AVERAGE 57 54 3 51  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.19 0.22  
SINCE OCT 1 13.06 15.84  
SINCE JAN 1 5.63 7.86  
 
DEGREE DAYS  
HEATING  
YESTERDAY 8 14  
MONTH TO DATE 25 44  
SINCE MAR 1 184 445  
SINCE JUL 1 1982 2300  
 
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 NE (30)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 5.7  
 
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 93 1:00 AM  
LOWEST 20 2:00 PM  
AVERAGE 57  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 66 74 2011  
MINIMUM TEMPERATURE (F) 42 32 2015  
 
SUNRISE AND SUNSET  
APRIL 4 2026.........SUNRISE 6:49 AM PDT SUNSET 7:35 PM PDT  
APRIL 5 2026.........SUNRISE 6:48 AM PDT SUNSET 7:36 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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