400  
CDUS46 KSTO 310830  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
130 AM PDT TUE OCT 31 2023  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR OCTOBER 30 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 74 79  
MINIMUM 34 42  
AVERAGE 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.52 0.00  
SINCE OCT 1 0.52 0.00  
SINCE JAN 1 25.22 3.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 4  
MONTH TO DATE 68 48  
SINCE JUL 1 71 48  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 87 111  
SINCE JAN 1 1368 1791    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION NE (30)  
AVERAGE WIND SPEED 3.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 7:00 AM  
LOWEST 17 2:00 PM  
AVERAGE 48  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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