353  
CDUS46 KMTR 080828  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
128 AM PDT TUE APR 08 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR APRIL 7 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 67 2:52 PM 88 2022 67 0 62  
MINIMUM 51 11:44 PM 29 2008 43 8 35  
AVERAGE 59 55 4 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.00  
MONTH TO DATE 0.23 0.62  
SINCE OCT 1 15.85 18.85  
SINCE JAN 1 7.87 12.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 6 16  
MONTH TO DATE 78 96  
SINCE MAR 1 479 467  
SINCE JUL 1 2334 2115  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE MAR 1 2 0  
SINCE JAN 1 2 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 9 RESULTANT WIND DIRECTION W (250)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 54 2:00 PM  
AVERAGE 76  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 67 83 2022  
MINIMUM TEMPERATURE (F) 43 29 2001  
 
SUNRISE AND SUNSET  
APRIL 8 2025.........SUNRISE 6:43 AM PDT SUNSET 7:39 PM PDT  
APRIL 9 2025.........SUNRISE 6:42 AM PDT SUNSET 7:40 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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