370  
CDUS46 KSTO 231020  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
220 AM PST SAT DEC 23 2023  
   
...............................
 
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR DECEMBER 22 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 69 47  
MINIMUM 41 41  
AVERAGE 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.00  
MONTH TO DATE 2.58 3.69  
SINCE OCT 1 4.45 5.17  
SINCE JAN 1 29.15 8.27  
 
DEGREE DAYS  
HEATING  
YESTERDAY 10 21  
MONTH TO DATE 306 442  
SINCE JUL 1 672 921  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 1370 1791    
..............................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION S (180)  
HIGHEST WIND SPEED 7 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 10 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 1.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 11:00 PM  
LOWEST 55 2:00 PM  
AVERAGE 78  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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