185  
CDUS46 KSTO 170852  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
152 AM PDT THU SEP 17 2026  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR SEPTEMBER 16 2026
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2026  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 97  
MINIMUM 58 55  
AVERAGE 68  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.00 T  
SINCE OCT 1 20.20 21.32  
SINCE JAN 1 10.10 10.98  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JUL 1 0 0  
 
COOLING  
YESTERDAY 3 11  
MONTH TO DATE 116 144  
SINCE JAN 1 1351 1240    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 14 RESULTANT WIND DIRECTION SW (220)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION SW (220)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 14.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 300 AM  
LOWEST 45 100 PM  
AVERAGE 63  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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