921  
CDUS46 KMTR 210829  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1229 AM PST SAT DEC 21 2024  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 20 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 54 1:09 PM 67 1969 57 -3 61  
MINIMUM 43 11:53 PM 23 1978 37 6 53  
AVERAGE 49 47 2 57  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.71 1981 0.09 -0.09 0.48  
MONTH TO DATE 1.64 1.75 -0.11 1.83  
SINCE OCT 1 2.85 4.18 -1.33 2.48  
SINCE JAN 1 13.90 14.13 -0.23 13.75  
 
DEGREE DAYS  
HEATING  
YESTERDAY 16 18 -2 8  
MONTH TO DATE 276 342 -66 268  
SINCE DEC 1 276 342 -66 268  
SINCE JUL 1 675 799 -124 636  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1295 849 446 928    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 10:00 PM  
LOWEST 77 2:00 PM  
AVERAGE 87  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 57 67 2005  
2013  
2014  
MINIMUM TEMPERATURE (F) 37 20 1968  
 
SUNRISE AND SUNSET  
DECEMBER 21 2024......SUNRISE 7:19 AM PST SUNSET 4:52 PM PST  
DECEMBER 22 2024......SUNRISE 7:20 AM PST SUNSET 4:53 PM PST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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