524  
CDUS46 KSTO 210853  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
153 AM PDT SUN SEP 21 2025  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR SEPTEMBER 20 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2025  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 93  
MINIMUM 60 55  
AVERAGE 75  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE T 0.00  
SINCE OCT 1 21.32 22.55  
SINCE JAN 1 10.98 16.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 0 3  
SINCE JUL 1 0 3  
 
COOLING  
YESTERDAY 10 9  
MONTH TO DATE 190 182  
SINCE JAN 1 1286 1583    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (220)  
AVERAGE WIND SPEED 2.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 500 AM  
LOWEST 33 300 PM  
AVERAGE 60  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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