415  
CDUS46 KSTO 051001  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
201 AM PST MON JAN 05 2026  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR JANUARY 4 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2026  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 55 60  
MINIMUM 44 37  
AVERAGE 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.85 0.00  
MONTH TO DATE 2.59 0.11  
SINCE OCT 1 12.69 10.45  
SINCE JAN 1 2.59 0.11  
 
DEGREE DAYS  
HEATING  
YESTERDAY 15 16  
MONTH TO DATE 47 61  
SINCE JUL 1 964 934  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 0 0    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION S (170)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION S (200)  
AVERAGE WIND SPEED 5.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 700 AM  
LOWEST 83 1200 AM  
AVERAGE 90  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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