730  
CDUS46 KSTO 190031  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
531 PM PDT SUN MAY 18 2025  
   
...............................  
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR MAY 18 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1998 TO 2025  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 86 81  
MINIMUM 50 56  
AVERAGE 68  
 
PRECIPITATION (IN)  
TODAY 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  
TODAY 0 0  
MONTH TO DATE 32 42  
SINCE JUL 1 2244 2178  
 
COOLING  
TODAY 3 4  
MONTH TO DATE 48 70  
SINCE JAN 1 58 77    
..............................  
 
WIND (MPH)  
RESULTANT WIND SPEED 6 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 6.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 300 AM  
LOWEST 14 100 PM  
AVERAGE 49  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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