588  
CDUS46 KMTR 050838  
CLIAPC  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1238 AM PST WED FEB 05 2025  
   
...............................  
 
   
..THE NAPA AIRPORT CLIMATE SUMMARY FOR FEBRUARY 4 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 61 12:38 PM 75 2018 59 2 64  
MINIMUM 43 11:59 PM 27 2014 39 4 48  
AVERAGE 52 49 3 56  
 
PRECIPITATION (IN)  
YESTERDAY 1.76 1.20  
MONTH TO DATE 2.85 1.96  
SINCE OCT 1 11.72 12.72  
SINCE JAN 1 3.74 6.68  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 9  
MONTH TO DATE 40 56  
SINCE DEC 1 956 907  
SINCE JUL 1 1496 1313  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE DEC 1 0 0  
SINCE JAN 1 0 0    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION SW (230)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 PM  
LOWEST 82 11:00 PM  
AVERAGE 89  
   
......................................................  
 
THE NAPA AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 81 2011  
MINIMUM TEMPERATURE (F) 39 29 2020  
 
SUNRISE AND SUNSET  
FEBRUARY 5 2025......SUNRISE 7:10 AM PST SUNSET 5:37 PM PST  
FEBRUARY 6 2025......SUNRISE 7:09 AM PST SUNSET 5:38 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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