429  
CDUS46 KMTR 050830  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
130 AM PDT SUN OCT 05 2025  
   
...............................
 
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR OCTOBER 4 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 80 2:41 PM 106 1980 82 -2 101  
MINIMUM 51 6:16 AM 40 1981 52 -1 60  
AVERAGE 66 67 -1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.20 2008 0.01 -0.01 0.00  
MONTH TO DATE 0.60 0.05 0.55 0.00  
SINCE OCT 1 0.60 0.05 0.55 0.00  
SINCE JAN 1 5.22 10.00 -4.78 11.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 1 -1 0  
MONTH TO DATE 1 4 -3 0  
SINCE SEP 1 1 19 -18 2  
SINCE JUL 1 1 26 -25 4  
 
COOLING  
YESTERDAY 1 3 -2 16  
MONTH TO DATE 8 14 -6 72  
SINCE SEP 1 238 184 54 278  
SINCE JAN 1 825 810 15 1200    
...............................................................
 
 
WIND (MPH)  
RESULTANT WIND SPEED 2 RESULTANT WIND DIRECTION W (260)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (260)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97 6:00 AM  
LOWEST 36 2:00 PM  
AVERAGE 67  
   
......................................................
 
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 81 101 2024  
MINIMUM TEMPERATURE (F) 52 37 1969  
 
SUNRISE AND SUNSET  
OCTOBER 5 2025.......SUNRISE 7:07 AM PDT SUNSET 6:44 PM PDT  
OCTOBER 6 2025.......SUNRISE 7:08 AM PDT SUNSET 6:42 PM PDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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