909  
CDUS46 KSTO 010855  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
155 AM PDT SUN JUN 01 2025  
   
...............................  
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR MAY 31 2025  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2025  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 105 97  
MINIMUM 58 55  
AVERAGE 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.16 0.52  
SINCE OCT 1 21.32 22.55  
SINCE JAN 1 10.98 16.22  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0  
MONTH TO DATE 33 45  
SINCE JUL 1 2245 2181  
 
COOLING  
YESTERDAY 17 11  
MONTH TO DATE 119 130  
SINCE JAN 1 129 137    
..............................  
 
WIND (MPH)  
RESULTANT WIND SPEED 3 RESULTANT WIND DIRECTION S (200)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (230)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 4.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75 300 AM  
LOWEST 18 300 PM  
AVERAGE 47  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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