415  
CDUS46 KSTO 010940  
CLIVCB  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SACRAMENTO  
140 AM PST MON JAN 01 2024  
   
...............................  
 
   
..THE VACAVILLE CLIMATE SUMMARY FOR DECEMBER 31 2023  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2023  
 
WEATHER ITEM OBSERVED LAST  
VALUE YEAR    
..............................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 56 59  
MINIMUM 48 46  
AVERAGE 52  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.21  
MONTH TO DATE 4.46 7.99  
SINCE OCT 1 6.33 9.47  
SINCE JAN 1 31.03 12.57  
 
DEGREE DAYS  
HEATING  
YESTERDAY 13 12  
MONTH TO DATE 431 585  
SINCE JUL 1 797 1064  
 
COOLING  
YESTERDAY 0 0  
MONTH TO DATE 0 0  
SINCE JAN 1 1370 1791    
..............................  
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION N (10)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 12 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 3.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 1:00 AM  
LOWEST 77 3:00 PM  
AVERAGE 89  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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