556  
CDUS46 KSTO 120853  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
153 AM PDT TUE MAY 12 2026  
   
...............................  
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR MAY 11 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2026  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93 74  
MINIMUM 50 54  
AVERAGE 72  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 T  
MONTH TO DATE 0.46 T  
SINCE OCT 1 20.04 21.16  
SINCE JAN 1 9.94 10.82  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1  
MONTH TO DATE 17 18  
SINCE JUL 1 1994 2230  
 
COOLING  
YESTERDAY 7 0  
MONTH TO DATE 32 38  
SINCE JAN 1 70 48    
..............................  
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 3.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 500 AM  
LOWEST 23 300 PM  
AVERAGE 60  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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