400  
CDUS46 KSTO 041003  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
203 AM PST SUN JAN 04 2026  
   
...............................  
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR JANUARY 3 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2026  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 63 62  
MINIMUM 53 43  
AVERAGE 58  
 
PRECIPITATION (IN)  
YESTERDAY 0.71 0.11  
MONTH TO DATE 1.74 0.11  
SINCE OCT 1 11.84 10.45  
SINCE JAN 1 1.74 0.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 7 12  
MONTH TO DATE 32 45  
SINCE JUL 1 949 918  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 0 0    
..............................  
 
WIND (MPH)  
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (210)  
HIGHEST GUST SPEED 41 HIGHEST GUST DIRECTION S (190)  
AVERAGE WIND SPEED 9.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 900 AM  
LOWEST 60 200 PM  
AVERAGE 80  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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