357  
CDUS46 KSTO 310940  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
140 AM PST SUN DEC 31 2023  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR DECEMBER 30 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 62 63  
MINIMUM 44 51  
AVERAGE 53  
 
PRECIPITATION (IN)  
YESTERDAY 0.53 0.55  
MONTH TO DATE 4.46 6.78  
SINCE OCT 1 6.33 8.26  
SINCE JAN 1 31.03 11.36  
 
DEGREE DAYS  
HEATING  
YESTERDAY 12 8  
MONTH TO DATE 418 573  
SINCE JUL 1 784 1052  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 1370 1791    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (160)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 11 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 1.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 9:00 PM  
LOWEST 70 2:00 PM  
AVERAGE 85  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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