432  
CDUS46 KSTO 310134  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
534 PM PST TUE DEC 30 2025  
   
...............................  
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR DECEMBER 30 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 44 61  
MINIMUM 36 38  
AVERAGE 40  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 4.07 5.08  
SINCE OCT 1 9.51 10.34  
SINCE JAN 1 20.59 26.56  
 
DEGREE DAYS  
HEATING  
TODAY 25 15  
MONTH TO DATE 511 429  
SINCE JUL 1 896 855  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 1400 1840    
..............................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION N (0)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 5.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1200 AM  
LOWEST 96 700 AM  
AVERAGE 98  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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