527  
CDUS46 KSTO 200135  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
535 PM PST FRI DEC 19 2025  
   
...............................  
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR DECEMBER 19 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2025  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 60 49  
MINIMUM 51 36  
AVERAGE 56  
 
PRECIPITATION (IN)  
TODAY 0.16 0.00  
MONTH TO DATE 0.27 3.18  
SINCE OCT 1 5.71 8.44  
SINCE JAN 1 16.79 24.66  
 
DEGREE DAYS  
HEATING  
TODAY 9 22  
MONTH TO DATE 364 290  
SINCE JUL 1 749 716  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 1400 1840    
..............................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 6.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 78 100 PM  
AVERAGE 89  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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