449  
CDUS46 KMTR 270835  
CLILVK  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA  
135 AM PDT MON OCT 27 2025  
   
...............................  
 
   
..THE LIVERMORE AIRPORT CLIMATE SUMMARY FOR OCTOBER 26 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 72 12:07 PM 90 1965 75 -3 81  
MINIMUM 55 9:46 PM 33 1939 47 8 44  
AVERAGE 64 61 3 63  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.65 1991 0.04 -0.03 0.00  
MONTH TO DATE 1.89 0.57 1.32 T  
SINCE OCT 1 1.89 0.57 1.32 T  
SINCE JAN 1 6.51 10.52 -4.01 11.05  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 5 -4 2  
MONTH TO DATE 63 69 -6 15  
SINCE SEP 1 63 84 -21 17  
SINCE JUL 1 63 91 -28 19  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 26 50 -24 167  
SINCE SEP 1 256 220 36 373  
SINCE JAN 1 843 846 -3 1295    
...............................................................  
 
WIND (MPH)  
RESULTANT WIND SPEED 7 RESULTANT WIND DIRECTION SW (230)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION W (280)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90 1:00 AM  
LOWEST 45 12:00 PM  
AVERAGE 68  
   
......................................................  
 
THE LIVERMORE AIRPORT CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 91 2003  
MINIMUM TEMPERATURE (F) 47 30 1946  
 
SUNRISE AND SUNSET  
OCTOBER 27 2025.......SUNRISE 7:28 AM PDT SUNSET 6:14 PM PDT  
OCTOBER 28 2025.......SUNRISE 7:29 AM PDT SUNSET 6:13 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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