406  
CDUS46 KSTO 010840  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
140 AM PDT SUN OCT 01 2023  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR SEPTEMBER 30 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 71 93  
MINIMUM 56 54  
AVERAGE 64  
 
PRECIPITATION (IN)  
YESTERDAY 0.13 0.00  
MONTH TO DATE 0.13 0.78  
SINCE OCT 1 34.17 5.35  
SINCE JAN 1 24.70 3.10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 0  
MONTH TO DATE 3 0  
SINCE JUL 1 3 0  
 
COOLING  
YESTERDAY 0 9  
MONTH TO DATE 176 342  
SINCE JAN 1 1281 1680    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
AVERAGE WIND SPEED 3.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 1:00 PM  
LOWEST 59 11:00 AM  
AVERAGE 76  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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