113  
CDUS46 KMTR 070839  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
1239 AM PST SUN DEC 07 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR DECEMBER 6 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1930 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 50 2:18 PM 75 1958 59 -9 70  
MINIMUM 40 5:29 PM 24 2009 38 2 38  
AVERAGE 45 48 -3 54  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 1952 0.08 -0.08 0.00  
MONTH TO DATE 0.00 0.49 -0.49 T  
SINCE OCT 1 3.76 2.92 0.84 1.21  
SINCE JAN 1 8.38 12.87 -4.49 12.26  
 
DEGREE DAYS  
HEATING  
YESTERDAY 20 17 3 11  
MONTH TO DATE 109 97 12 60  
SINCE DEC 1 109 97 12 60  
SINCE JUL 1 444 554 -110 459  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 845 849 -4 1295    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 5 RESULTANT WIND DIRECTION E (70)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 3:00 AM  
LOWEST 80 1:00 PM  
AVERAGE 90  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 59 72 1958  
2020  
MINIMUM TEMPERATURE (F) 38 27 1947  
 
SUNRISE AND SUNSET  
DECEMBER 7 2025......SUNRISE 7:09 AM PST SUNSET 4:48 PM PST  
DECEMBER 8 2025......SUNRISE 7:10 AM PST SUNSET 4:48 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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