926  
CDUS46 KSTO 160935  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
135 AM PST SAT DEC 16 2023  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR DECEMBER 15 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 64 59  
MINIMUM 33 30  
AVERAGE 49  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 0.62 3.69  
SINCE OCT 1 2.49 5.17  
SINCE JAN 1 27.19 8.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 20  
MONTH TO DATE 228 285  
SINCE JUL 1 594 764  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 1370 1791    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (20)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 4.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 2:00 AM  
LOWEST 34 2:00 PM  
AVERAGE 63  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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