171  
CDUS46 KSTO 010135  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
535 PM PST TUE DEC 31 2024  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR DECEMBER 31 2024
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 59 56  
MINIMUM 35 48  
AVERAGE 47  
 
PRECIPITATION (IN)  
TODAY 0.00 0.00  
MONTH TO DATE 5.08 4.46  
SINCE OCT 1 10.34 6.33  
SINCE JAN 1 26.56 31.03  
 
DEGREE DAYS  
HEATING  
TODAY 18 13  
MONTH TO DATE 447 431  
SINCE JUL 1 873 797  
 
COOLING  
TODAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 1840 1370    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 2.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 2:00 AM  
LOWEST 39 1:00 PM  
AVERAGE 61  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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